Final Report Is Submitted

Industry allocated project number

SATI CFPA SAAPPA/SASPA DFTS Winetech

[email protected] [email protected] [email protected] [email protected] [email protected] Tel: 021 872-1438 Tel: 021 872-1501 Tel: 021 882-8470 Tel: 021 870 2900 Tel: 021 807 3387

Indicate (X) client(s) to whom this final report is submitted. Replace any of these with other relevant clients if required . ______

FINAL REPORT 2013

Programme & Project Leader Information

Research Organisation Project leader Programme leader Title, initials, surname Mr FS de Villiers Mr H Schloms Present position Viticultural consultant GIS / Soil scientist Address Frangipani street 9, Somerset 79 Kleinbosch street, West, 7130 Paryskloof, Paarl, 7646 Tel. / Cell no. 024-8553249 / 082 417 5466 021 807 3445 / 083 480 2686 Fax 021 807 3040 E-mail [email protected] [email protected]

Project Information

Research Organisation W-Terroir 01 Project number Project title Site selection for specific cultivar wine styles

Fruit kind(s) Wine grapes Start date (mm/yyyy) March 2011 End date (mm/yyyy) Dec. 2013

Project keywords Terroir identification and utilisation

Approved by Research Organisation Programme leader (tick box)

This document is confidential and any unauthorised disclosure is prohibited.

Final report 2

THIS REPORT MUST INCLUDE INFORMATION FROM THE ENTIREENTIRE PROJECT

Executive Summary Give an executive summary of the total project. The aim of this project is to produce high resolution, multi layer, GIS based soil and climatic data maps for the South African wine regions. Together with a model to identify suitable sites to produce specific wine styles for different cultivars in order to make viable recommendations in this regard.

Forty two (present and completed) Winetech terroir, viticultural and winemaking projects were identified to be searched for pointers to select sites for specific cultivar wine styles.

Wine tasting results of Sauvignon blanc, Cabernet Sauvignon, Merlot and Chardonnay from five Winetech projects ( WW1301, WW 13-02, WW 13-12, WW13-13 & WW 13-16) and 42 localities were reworked. Hourly weather station data of the five Winetech projects and 42 weather stations were reworked to 450 temperature summations for each locality counting hours below or above certain threshold temperatures for different periods of the growing season (August-April). The reworked climatic data were statistically compared with the relevant wine tasting results. These conclusions showed that different temperatures during different times during the growing season have an influence on the aroma components of Sauvignon blanc, Cabernet Sauvignon, Merlot and Chardonnay. A Methoxypyrazine Index was proposed (Mean February Temperature – Mean October Temperature) to give an indication of the potential methoxypyrazine content of a wine produced in a specific site. The continentality of February temperature plays the most important role in determining Shiraz wine style.

The Wine of Origin (WOS) production areas (regions, districts and wards) were digitised and spatially demarcated.

High resolution spatial topographic, climatic and soil coverage for the WOS demarcation were produced.

With the cooperation of the Department of Agriculture of the Western Cape the results of the project will be available on the interactive website CapeFarmMapper, (www.elsenburg.com/gis/apps/cfm).

Problem identification and objectives State the problem being addressed and the ultimate aim of the project.

During discussions of the Winetech Terroir Program Industry Committee it was noted that most projects in the terroir programme were impeded by similar problems. One is the shortage of the readily available soil and climatic data coverage of wine grape growing regions and secondly that most projects stop short of

This document is confidential and any unauthorised disclosure is prohibited. Final report 3 making a viable industry recommendation, due to the large number of variables that must be included and the enormous amount of data that is generated.

The project aims to produce high resolution GIS based soil and climatic data maps for the South African wine regions together with a model to identify suitable sites to produce specific wine styles for different cultivars in order to make viable recommendations in this regard. The end product of the resulting model and GIS data maps will be available on an interactive website. Producers will have the ability to load their ideas and comments onto the website

Objectives :

- Identify Winetech projects for pointers to select sites for specific cultivar wine styles.

- Examine identified Winetech projects for pointers.

- Reworking wine tasting results from Winetech projects.

- Reworking wine aroma component analysis results of WW 08-31.

- Reworking the complementary temperature hourly weather station data of the tasting data.

- Do the statistical analysis on the hourly temperature and wine tasting data.

- Search literature for climatic indices. - Identify and map all wine demarcations according to the Wine of Origin System (WOS) for South Africa.

- Acquire a 90m resolution spatial climatic coverage for all wine demarcations according to the Wine of Origin System (WOS) for South Africa.

- Modelling 90m climate rasters into viticultural climate indices (as specified by the viticultural discussion group)

- Compiling all available soil data and calculating its viticultural suitability

- Terrain analysis modelling for all WOS regions (Elevation, slope, aspect, solar radiation, day length, surface hydrology and curvature)

- Study climate indices applicable for the Western Cape wine growing regions

- Create a multi-variable site selection model with ArcGIS model builder - Make the results of the project available on an interactive website.

Workplan (materials and methods) List trial sites, treatments, experimental layout and statistical detail, sampling detail, cold storage and examination stages and parameters.

- Search Winetech data base to identify projects for pointers to select sites for specific cultivar wine styles.

- Examine the progress and finale reports of the identified Winetech projects with the object of finding related information.

- Reworking wine tasting results of WW13-01, WW13-02, WW13-12, WW13-13 and WW13-16.

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- Reworking wine aroma component analysis results of WW 08-31.

- Reworking the complementary temperature hourly weather station data of the tasting data of WW13-01, WW13-02, WW13-12, WW13-13 and WW13-16.

- Do the statistical analysis on the hourly temperature and wine tasting data with XLSTAT program.

- Search the SAWIS library literature from 2000 onwards for climatic indices.

- Identify and map all wine demarcations according to the Wine of Origin System (WOS) for South Africa. - Produce a high resolution spatial climatic coverage for all wine demarcations according to the Wine of Origin System (WOS) for South Africa by using 90m US climate grids. - Produce spatial soil coverage for all wine demarcations according to the Wine of Origin System (WOS) for South Africa, starting with the Robertson district and then progressed to the Worcester, Paarl, Swartland and Stellenbosch districts. - Create a site selection model that will incorporate climate, soil and terrain models in order to establish suitable sites for specific styles of wine. - Make the results of the project available on an interactive website.

Results and discussion State results obtained and list any industry benefits. If applicable, include a short discussion covering ALL accumulated results from the start of the project. Limit it to essential information only.

The objective was to produce high resolution, multi layer, GIS based soil and climatic data maps for the South African wine regions. Together with a model to identify suitable sites to produce specific wine styles for different cultivars in order to make viable recommendations in this regard.

Aim 1. Map all WOS demarcations The WOS (Wine Of Origen) spatial demarcations is completed and available (see WOS folder for all maps).

Figure 1: WOS Districts

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Aim 2. Topographical data - Produce 20 m contour maps (see Elevation maps folder for all maps).

Figure 2: Digital Elevation Model for the Robertson district

Aim 3. Aspect – Produce aspect maps according to data accumulated in 20m contour maps

Aim 4. Solar radiation - Produce solar radiation maps according to data accumulated in aspect maps

Aim 5. Temperature - Produce temperature maps according to data accumulated in solar radiation maps

Aim 6. Soil coverage - Gather all available soil and geological data and digitise data where necessary

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Figure 3 and 4: Available digitized soil association data coverage for the WOS Regions

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Aim 7. Produce spatial soil coverage for all wine demarcations according to the Wine of Origin System (WOS) for South Africa

Figure 5: Soil potential map of the Robertson district

Aim 8: Identify Winetech projects to be searched for pointers to select sites for specific cultivar wine styles

The Winetech projects database was searched for relevant projects and 42 (present and completed) terroir, viticultural and winemaking projects were identified to be searched for pointers to select sites for specific cultivar wine styles, (Table 1).

Aim 9 : Examination of identified Winetech projects for relevant information

The finale and progress reports of the 42 projects identified in aim 7 were thoroughly read. Promising wine tasting and climatic data, as well as valuable wine aroma component analysis, were found in six projects : WW 13-01 Effect of soil and climate – Stellenbosch WW 13-02 Demarcation of areas – Stellenbosch WW 13-12 Ecophysiological characterization: Stellenbosch WW 13-13 Effect of soil, geology, climate – Helderberg area

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WW 13-16 Effect of soil, geology, climate – Overberg area WW 08-31: Compilation of databases of aroma compounds in the wines of six cultivars .

Project leaders were contacted and the raw climatic data was obtained, Table 2.

Aim 10 : Reworking wine tasting results of WW13-01, WW13-02, WW13-12, WW13-13 and WW13-16

Aim 11 : Reworking wine aroma component analysis results of WW 08-31

Wine aroma component analysis results from three seasons of Sauvignon blanc, Cabernet Sauvignon and Merlot of Winetech project WW08-31 were reworked and analysed specifically for methoxypyrazines (Table 4). According to Marais (1994, 2005) two dominant wine styles exist for Sauvignon blanc, namely the green pepper/ asparagus “cool climate” style and the “warm climate” fruity/tropical style. The typical green pepper like aroma of Sauvignon blanc can be ascribed to higher concentrations of 2-Methoxy-3- isobutylpyrazine (iBMP) and to a lesser extent to 2-Methoxy-3-isopropylpyrazine (iPMP) and 2- Methoxy-3-sec-butylpyrazine (sBMP) . Marias & Swart (1999) find that iBMP can be recognised at concentrations as low as 4 ng/L as green and >16 ng/L as green pepper in white wine while Suklje and co-workers (2013) report that various researchers find that green grass aroma 15 ng/L in red Bordeaux stile of wine contain concentrations of iBMP of 15 ng/l or higher. Therefore iBMP results was compared to the spatial climatic coverage for all the wine demarcations of South Africa.

There were relative big differences between locations (cellar/producer) in the wine demarcations (Tabel 4). If the data were overlaid on a temperature basis certain patters emerge. Although the results very the overall tendency for iBMP concentration is to increase from the warmer inland regions to the cooler coastal regions.

Aim 12 : Reworking the complementary temperature hourly weather station data of the tasting data of WW13-01, WW13-02, WW13-12, WW13-13 and WW13-16

Hourly weather station data of the five Winetech projects and 42 weather stations were reworked to 450 temperature summations for each locality counting hours below or above certain threshold temperatures (<12 °C, <14 °C, <16 °C, <18 °C, <20 °C , > 20 °C, >25 °C, >30 °C & >35 °C) for 25 different periods of the growing season (August-April), (Table 5). The hourly temperature summations below 10 °C vary

This document is confidential and any unauthorised disclosure is prohibited. Final report 9 between 0 to 424 hourly degrees for August and between 0 and 324 hourly degrees above 35 ° C for January between seasons and localities, (Addendum 1).

Aim 13 : Statistical analysis of the hourly temperature summation and wine tasting data

The reworked climatic data were statistically compared with the relevant wine tasting results. These analysis showed that different temperatures during different times during the growing season have a influence on the aroma components of Sauvignon blanc, Cabernet Sauvignon, Merlot and Chardonnay. A summary of the results are presented in Table 6a-d.

The best five correlations with fresh vegetative character of Sauvignon blanc was found with the hourly degree summation of low temperatures in October (< 14 °C, <16 °C, <12 °C, < 18 °C & <20 °C). Therefore two new aroma characters were calculated, grass1 () and grass2, but it was not an improvement on the results of fresh vegetative character.

A Methoxypyrazine Index is proposed (Mean February Temperature – Mean October Temperature) to give an indication of the potential methoxypyrazine content of a wine produced in a specific site, (Figure 1).

Figure 6 : Methoxypyrazine Index, (Mean February Temperature – Mean October Temperature).

The Western Cape viticultural discussion group investigate the different Shiraz wine styles in the Western Cape and they could distinguish three main wine styles, namely dark (full with dark fruit, black currents and dried prunes ) red ( medium-full with red berries and violets) and spicy (medium-full, spicy and

This document is confidential and any unauthorised disclosure is prohibited. Final report 10 peppery). Working together with the group looking at different terroir aspects and plotting the origin of the Shiraz wines certain patterns were noticed for altitude, proximity to the ocean, cool night temperature, warm February temperature and continental climate. When the Shiraz wine styles were plotted on a continental type of temperature map (difference between highest and lowest temperature ) were the daily minimum February temperature were subtracted from the daily maximum February temperature, a near perfect fit were found. It seems that continentality of February plays the most important role in determining Shiraz wine style, (Figure 2).

Figure 7 : February continentality (FebTmax - FebTmin) and single vineyard Shiraz wine styles

Aim 14 : Searching literature for relevant climatic indices

A search of the latest literature was made in order to obtain relevant information about climatic indices and models to identify suitable sites to produce specific wine styles for different cultivars (Table 7). Although many authors were doing research and reporting on viticultural and oenological climatic based research, only one new climate index, not mentioned by prof. V. Carey in previous terroir studies, was proposed by Rosalyn MacCraken (2011) for the Eastern United States. MacCraken called it the Modified GSTavg (Modified Growing Season Temperature average) and it differ from the standard GST by calculating and using the “real” growing season for a locality and not the standard growing months for the

This document is confidential and any unauthorised disclosure is prohibited. Final report 11 northern hemisphere. However the authors, Tonietto and Jones and there respective co-workers, were very productive using the same historically well known viticultural climate indexes, but with more refined climatic data (See literature).

Figure 8: Adapted Growing Degree days (15September to 15 March) Aim 15 : Make the results of the project available on an interactive website.

With the cooperation of the Department of Agriculture of the Western Cape the results of the project will be available on the interactive website CapeFarmMapper, (www.elsenburg.com/gis/apps/cfm).

Figure 9 : Cape Farm Mapper website interface

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Aim 16 : Compiling a Climate Atlas The resolution of the US90m grid data can only be appreciated on larger maps. For this project the Western Cape was divided into 54 tiles to create more detailed maps. Below are the Index page and 9 sample maps that can be easily stitched together.

Figure 10 : 9 Individual maps (F1-3, G1-3 and H1-3) displaying the Mean February Temperatures

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Complete the following table

Extension Date Target Date Milestone Date Completed Achievement Done Map all WOS demarcations 2011 2011 1. 2. Topographical data - Produce 2013 2012 Done 20 m contour maps 3. Aspect – Produce aspect Done maps according to data 2013 2012 accumulated in 20m contour maps 4. Solar radiation - Produce solar radiation maps according 2013 2012 Done to data accumulated in aspect maps 5. Temperature - Produce temperature maps according to 2013 2012 Done data accumulated in solar radiation maps 6. Soil coverage - Gather all available soil and geological 2013 2012 Done data and digitise data where necessary 7. Produce spatial soil coverage for all wine demarcations, 2013 2013 Done Robertson, Worcester, Paarl, Swartland, Stellenbosch 8. Identify Winetech projects to be searched for pointers to 2011 2011 Done select sites for specific cultivar wine styles 9. Examination of identified Winetech projects for relevant 2011 2012 Done information 10. Reworking wine tasting results of WW13-01, WW13-02, 2012 2012 Done WW13-12, WW13-13 and WW13-16 11. Reworking wine aroma component analysis results of 2012 2013 Done WW 08-31 12. Reworking the complementary temperature hourly weather station data of 2012 2012 Done the tasting data of WW13-01, WW13-02, WW13-12, WW13- 13 and WW13-16 13. Do the statistical analysis on the hourly temperature and wine 2013 2013 Done tasting data 14. Searching literature for 2013 2013 Done relevant climatic indices

Literature:

Anderson, J., Jones, G., Tait, A., Andrew, H., & Trought, M.,2012. Analysis of viticulture region climate structure and suitability in New Zealand. J. Sci. Vigne 46 : 3 : 149-165

Conceicao, M.A.F. & Tonietto, J., 2005. Climatic potential for wine grape production in the tropical north region of Minas Gerais State, Brazil. Rev. Bras. Frutic., Jaboticabal - SP, 27 : 3 : 404-407

Jones G.V., White M.A., Cooper O.R. and Storchmann, K., 2005. Climate change and global wine quality. Climatic change, 73 : 3 : 319-343.

This document is confidential and any unauthorised disclosure is prohibited. Final report 14

Jones, G.V., Duff, A. & Hall, A. 2009. Updated analysis of climate viticulture structure and suitability in the Western United States. Proceedings of the 16th International GiESCO Symposium, Davis, California. July 12-16,

Jones, G.V., Moriondo, M., Bois, B., Hall, A. & Duff, A., 2009. Analysis of the spatial climate structure in viticulture regions worldwide. Bull. OIV 82: 944-945-946 : 507-517

Jones, G.V. & Davis, R.E., 2000. Climate Influences on grapevine phenology, grape composition, and wine production and quality for Bordeaux, France. Am. J. Enol. Vitic., 51:3 : 249-261

Jones, G.V., 2003. Climate and Terroir: Impacts of climate variability and change on wine. Geoscience Canada 1-14

Jones, G.V., 2006. Climate change and wine: Observations, impacts and future implecations. Wine Industry Journal 21 : 4

Jones, G.V., 2007. Climate change, observations, projections, and general implications for viticulture and wine production. Pract. Winery Vineyard 28 :2: 44-64

Jones, G.V., 2007. Climate change, viticulture and wine. The Australian & New Zealand Grapegrower & Winemaker 550 : 62-65

Jones, G.V., Duff, A.A., Hall, A. & Myers, J.W., 2010. Spatial Analysis of Climate in Winegrape Growing Regions in the Western United States. Am. J. Enol. Vitic. 61:3: 313-326

Jones, G.V., Webb, L.B., 2004. Climate change: observations, projections, and general implications for viticulture and wine production. XII Congresso Brasileiro de Viticultura e Enologia - Anais 55-66

Jones, G.V., Webb, L.B., 2010. Climate change, viticulture, and wine: challenges and opportunities. J. Wine Res. 21 : 2-3 : 103-106

Marais, J., 1994. Sauvignon blanc cultivar aroma. A review. S. Afr. J. Enol. Vitic., 15 : 41-45.

Marias, J., 2005. Factors affecting Sauvignon blanc wine quality : A South African perspective. Wynland, 187 : 69-70

Marais, J, & Swart, E., 1999. Sensory impact of 2-methoxy-3-isobutylpyrazine and 4-mercapto-4- methylpenta-2-one added to a neutral Sauvignon blanc wine. S. Afr. J. Enol. Vitic. 20 : 2 : 77-79

Montes, C., Perez-Quezada, J.F., Pena-Neira, A. & Tonietto, J., 2012. Climatic potential for viticulture in Central Chile. Australian Journal of Grape and Wine Research 18: 20-28

Suklje, K., Grobler, N., Coetzee, Z Lisjak, K. & Deloire, A., 2013. Metoksipirasiene en groen eienskappe van wyn: Mite of werklikheid? - enkele perspektiewe. WineLand 284 : 78-83

Santos, J.A., Malheiro, A.C., Pinto, J.G. & Jones, G.V., 2012. Macroclimate and viticultural zoning in Europe: Observed trends and atmospheric forcing. Clim Res 51 : 89–103

Schultz, H.R. & Jones, G.V., 2010. Climate Induced Historic and Future Changes in Viticulture. Journal of Wine Research, 21 : 2 : 137-145

Tomasi, D; Jones, G V; Giust, M; Lovat, L; Gaiotti, F., 2011. Grapevine Phenology and Climate Change: Relationships and Trends in the Veneto Region of Italy for 1964-2009. Am. J. Enol. Vitic. 62:3:329-339

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Tonietto, J. 1999. Les macroclimats viticoles mondiaux et l¡nfluence du mesoclimat sur la typicitŠ de la Syrah et du Muscat de Hambourg dans de sud de la France: methodologie de caracterisation. These Doctorat. Ecole Nationale Superieure Agronomique, Montpellier, 233pp

Tonietto, J. & Teixeira, A.H. de C., 2004. Climatic zoning of viticultural production periods over the year in the tropical zone: application of the methodology of the Geoviticulture MCC System. In: Joint International Conference on Viticultural Zoning, 2004, Cape Town. Proceedings. Cape Town, South Africa, South African Society for Enology and Viticulture-OIV-GESCO. p.193-201. CD-ROM (Viticultural Terroir Zoning 2004).

Tonietto, J., Carbonneau, A., 2004. A multicriteria climatic classification system for grape- growing regions worldwide. Agric. Forest. Met. 124, 81-97

Tonietto, J., Sot‚s, V., Zanus, M.C., Montes, C., Uliarte, E.M., Antelo, L., Cl¡maco, P., Pe¤a, A., Guerra, C.C., Catania, C. D., Kohlberg, E., Pereira, G.E., Silva, J.R., Rago–t, J.V., Navarro, L.V., Laureano, O., Castro, R., Monte, R.F., Monte, S.A., G¢mez-Miguel, V.D., Carbonneau, A., 2010. L'effect du climat viticole sur la typicit‚ des vins rouges: Caract‚rization au niveau des r‚gions viticoles ib‚ro-americaines. In: VIII International Terroirs Congress, 2010, Soave, Italy. Proceedings. Conegliano, CRA-VIT Centro di Ricerca per la Viticoltura. v.3, p.17-22.

Tonietto, J., Zanus, M.C. & Guerra, C.C., 2008. Effet du climat viticole sur la perception sensorielle du vin : ‚lements m‚thodologiques pour une mod‚lisation au niveau mondial. In: VII CongrŠs International des Terroirs Viticoles, 19-23 mai 2008, Nyon, Suisse. Nyon, Agroscope Changins-W„denswil ACW. v.1, p.149-153.

Accumulated outputs List ALL the outputs from the start of the project. The year of each output must also be indicated.

Date Output Completed 2011 1. WOS demarcations were mapped

2. Topographical data - Produced 20 m contour maps for WOS demarcations 2012

3. Aspect – Produced aspect maps according to data accumulated in 20m contour maps for 2012 all WOS demarcations 4. Solar radiation - Produced solar radiation maps according to data accumulated in aspect 2012 maps for all WOS demarcations 5. Temperature - Produced temperature maps according to 90 m US climate grids for all 2013 WOS demarcations

6. Produce spatial soil coverage for all WOS demarcations 2013

7. Winetech projects were identified to be searched for pointers to select sites for specific 2011 cultivar wine styles 8. Reworking wine tasting results of WW13-01, WW13-02, WW13-12, WW13-13 and WW13- 2012 16

9. Reworking wine aroma component analysis results of WW 08-31 2013

10. Reworking the complementary temperature hourly weather station data of the tasting data 2012 of WW13-01, WW13-02, WW13-12, WW13-13 and WW13-16

11. Statistical analysis on the hourly temperature and wine tasting data were done. 2013

12. Literature were search for relevant climatic indices 2013

13. Produce methoxypyrazine index 2013

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14. Project results available on interactive website 2013

Conclusions

The project was successful in reaching its aim to produce high resolution, multi layer, GIS based soil and climatic data maps for the South African wine regions. A model was proposed to identify suitable sites to produce specific methoxypyrazine wine styles for different cultivars as well as a similar model for Shiraz.

The project results is made available to the farmers and public on the interactive website CapeFarmMapper, (www.elsenburg.com/gis/apps/cfm). .

Technology development, products and patents Indicate the commercial potential of this project, eg. Intellectual property rights or commercial product(s)

Suggestions for technology transfer List any suggestions you may have for technology transfer

The project results is available to potential users on the interactive website CapeFarmMapper, (www.elsenburg.com/gis/apps/cfm).

Human resources development/training Indicate the number and level (eg. MSc, PhD, post doc) of students/support personnel that were trained as well as their cost to industry through this project. Add in more lines if necessary.

Student level (BSc, MSc, PhD, Post doc) Cost to Project 1. 2. 3. 4. 5.

Publications (popular, press releases, semi-scientific, scientific)

Vijoen, F., 2013. Sorting through the Shiraz-styles. WynLand, 283 : 24-25.

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Presentations/papers delivered

Progress report back, 20 April 2011, WesKaap Wingerdbesprekingsgroep, Paul van der Byl, Stellenbosch.

Sauvignon blanc wine style discussion with SBIG, 27 May 2011, VinPro, Paarl.

Climate indexes, GIS and collaborators in Italy, 9 June 2011, Mr Albert Strever, Viticultural Department, University of Stellenbosch, Stellenbosch.

Climate indexes and temperature, 3 February 2012, Dr Valérie Bonnardot, Viticultural department, University of Stellenbosch.

Climate indexes and terroir, 14 March 2012, Mr Philip Olivier and Mr. Francois van Jaarsveld, ARC, Stellenbosch.

Correspondence about new climate index the Modified Growing Season Temperature Average, March 2012, Mrs Rosalyn MacCracken, George Mason University, Fairfax, USA.

Terroir, 20 June 2012, Mr Philip Olivier, ARC, Stellenbosch.

Shiraz wine style, 20 November 2012, Shiraz SA Technical Workshop. Site selection for specific cultivar wine styles : Sauvignon blanc, 1 November 2012, Terroir report back meeting, Stellenbosch.

Correspondence about climate indexes and temperutre summations. April-May 2013, Mr FJ de Villiers, De Doorns.

Total cost summary of the project

TOTAL COST IN COST CFPA DFTS Deciduous SATI Winetech THRIP OTHER TOTAL REAL TERMS

YEAR 1 176375

YEAR 2 176375

YEAR 3 189400

YEAR 4

YEAR 5

TOTAL 542150

Table 1 : Winetech projects to be searched for pointers to select sites for specific cultivar wine styles .

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PROJECT BEGIN END PROJECT TITLE NUMBER DATE DATE AD 09-01 Understanding of ripening, determination and prediction of 2009 2009 harvest date of sauvignon blanc by studing the relationship between berry composition and berry skin colour evolution, measured biochemically and instrumentally (Dyostem) Distell 01 Developing parameters to determine optimum ripeness in 2002 2006 Cabernet Sauvignon grapes in relation to wine quality DVO-VAC Identify terroirs for Chardonnay and Shiraz – Robertson 2006 2008 02 DVO-VAC The use of multi-source data for a site-selection model for the 2008 2010 04 SA wine indutry GW 50-031 Atmospheric modelling with application for the zoning of 2003 2009 viticultural regions Impact of sunlight and temperature on flavonoids of Cabernet KB02 2008 2011 Sauvignon grapes and wines at different maturity levels Impact of grapevine vigour on aroma precursors in Vitis KB03 2008 2010 vinifera cv. Merlot Knight 01 Macroscale analysis of the natural resources of South Africa 2005 2006 for the identification of possible new wine grape production areas TO Sprog. CATENA - soil associations, features and properties of 2005 2008 different soils, use of soils for viticultural purposes US Effect of wind 2003 2004

US B&C Agroclimatic analyses for viticultural terroir studies 2004 2009 US Pienaar The effect of wind on the grapevine 2002 2004 VE OR/1 Multispectral imagery 2003 2006

Grape classification systems: Development of a bonus-based WQ C 1 2008 2010 approach towards equitable remuneration for quality grapes WW 08/18 Investigation into the effect of winemaking techniques on 1997 2002 Sauvignon blanc wine quality and development of procedures that will produce optimum quality wines WW 08/19 Investigation into the effect of winemaking techniques on 1997 2006 Pinotage wine style and quality and development of procedures that will produce optimum quality wines WW 08/22 Investigation into the effect of viticultural and oenological 2000 2006 factors on Chenin blanc wine quality and development of techniques that will produce optimum quality wines WW 08/26 Authenticity of S.A. Wines 2002 2007 Compilation of databases of aroma compounds in the WW 08/31 2006 2008 wines of six cultivars WW 12/14 Management practices for Pinotage 1998 2009

WW 12/20 Effect of row direction on the physiological, viticultural and 2001 2012 oenological performance of Shiraz/R110. WW 12/22 Temperature limits – key physiological processes 2000 2004

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Table 1 : Winetech projects to be searched for pointers to select sites for specific cultivar wine styles .

PROJECT BEGIN END PROJECT TITLE NUMBER DATE DATE

WW 12/23 Determination of optimal grape and wine quality of Shiraz/99 Richter as affected by microclimate and seasonal variation in 2002 2005 leaf and berry metabolism. Relationship between Syrah, water content and biochemical WW 12/25 2006 2009 berry development Effect of in-row vine spacing under high soil potential WW 12/26 2008 2016 conditions on grapevine performance WW 12/28 Factors associated with award winning Pinotage wines 2009 2010 WW 13/01 Effect of soil and climate – Stellenbosch 1993 2004 WW 13/02 Demarcation of areas – Stellenbosch 1993 2003 WW 13/04 Investigation into the use of microclimatic parameters in the 1993 2000 determination of grape and wine quality WW 13/06 The quantitative effects of water stress on various physiological processes of grafted grapevines and the applicability thereof as parameters in terrain identification WW 13/10 Aptitude of the cultivar Chenin Blanc for botrytisation: 1999 2004 Application to viticultural zoning to obtain dry and sweet wines WW 13/11 Interpretation of information concerning the geology of each 2001 2006 wine producing region with regard to geological impact on soil, wine characteristics and marketability WW 13/12 Ecophysiological characterization: Stellenbosch 2003 2008 WW 13/13 Effect of soil, geology, climate – Helderberg area 2004 2009

WW 13/14 Contribution of soil water status & selected atmospheric 2005 2008 variables on water stress WW 13/16 Effect of soil, geology, climate – Overberg area 2005 2010

WW AD Evaluation of berry ripening by correlating berry pigment 2009 09/01 evolution and wine aromatic profiles WW CH Influence of light and temperature at the vine and bunch level 2010 10/01 on growth and ripening of Sauvignon blanc berries WW KB 02 Interactive effect of temperature and irrigation on grape 2010 composition during berry development in Cabernet Sauvignon WW KB 03 Impact of grapevine vigour on aroma precursors in Vitis 2003 2007 vinifera cv. Merlot WW WDT Methods to improve Sauvignon blanc wine quality and 2010 10/03 diversity in South Africa WW WDT Assessing volatile thiol concentration in South African 2010 11/01 Sauvignon blanc wines

This document is confidential and any unauthorised disclosure is prohibited. Final report 20

Table 2 : Hourly weather station and seasonal wine aroma data used from different Winetech projects.

S. blanc C. Sauv. Aroma Aroma Chardonnay Corrected hourly Project no. Area Farm data data Aroma data data WW13-01 Stellenbosch Grootvlei 1998-2003 Dec 1993 - Jan 2003 WW13-01 Stellenbosch Middelvlei 1998-2003 Dec 1993 - Jul 2004 WW13-01 Durbanville Morgenstêr 1998-2003 Dec 1993 - Feb 2005 WW13-01 Stellenbosch Skoonheid 1998-2003 Dec 1993 - Jan 2004 Stellenbosch

WW13-01 (Helshoogte) Thelema 1998-2003 Dec 1993 - Feb 2003

WW13-02 Somerset-West Alto 1997 1999-2001 1996-1998 Jan 1995 - Dec 2004 WW13-02 Klapmuts Backsberg 1998-2001 1996-2001 1996-2001 WW13-02 Klapmuts Backsberg 1996-2000 WW13-02 Stellenbosch kloof Bonfoi 1996-2001 1996-2001 1996-2000 Jan 1995 - Dec 2004 Paarl

WW13-02 (Grootdrakenstein) Boschendal 1998-1999 1996-2001 1997-2001 WW13-02 Stellenbosch Elsenburg 1996-2001 1996-2001 1996-2001 Oct 1995 - Dec 2004 WW13-02 Kuilsrivier Goedehoop 1996-2001 1996-2001 1996-2001 Sep 1994 - Dec 2004 WW13-02 Stellenbosch Groenhof 1996-2001 1996-2001 1997-2000 WW13-02 Stellenbosch Groenhof 1996-2001 1996-2001 1996-2001 Nov 1999 - Dec 2004 WW13-02 Stellenbosch Grootvlei 1996-2001 1996-2001 1996-2001 Dec 1993 - Jan 2003 WW13-02 Kuilsrivier Jacobsdal 1996-2001 1996-2001 1996-2001 Sep 1994 - Dec 2004 WW13-02 Bottelary Klein Bottelary 1996-2001 1997 1996-2001 WW13-02 Klein Drakenstein Klein Waterval 1996-2001 1997-2001 1996-2001 Apr 1995 - May 2003 WW13-02 Stellenbosch Knorhoek 1996-2000 1996-2001 1996-2001 Dec 1993 - Jul 2004 WW13-02 Stellenbosch Le Bonheur 1996-2001 1996-2001 1996-2001 Jan 1995 - Dec 2004 WW13-02 Stellenbosch Libertas 1996-2001 1996-2001 1996-2001 WW13-02 Faure Meerlust 1996-2001 1996-2001 1996-2001 Jan 1995 - Dec 2004 Paarl (Groot

WW13-02 Drakenstein) Merle 1996-2000 1996-2001 1996-2001 WW13-02 Stellenbosch Middelvlei 1996-2001 1996-2000 1996-2001 Dec 1993 - Jul 2004 WW13-02 Durbanville Morgenstêr 1996-2001 1996-2001 1996-2001 Dec 1993 - Feb 2005 WW13-02 Stellenbosch Nietvoorbij 1996-2001 1996-2001 1996-2001 Sep 1995 - Dec 2004 WW13-02 Somerset-West Nooitgedacht 1996-2001 1996-2001 1996-1998 WW13-02 Stellenbosch Rustenberg 1996 1996-2001 1996-2000 WW13-02 Helderberg Rustenhof 1996-2001 1996-2001 1996-2001 Jan 1995 - Dec 2004 WW13-02 Stellenbosch Skoonheid 1996-2001 1996-2001 1996-2001 Dec 1993 - Jan 2004 Stellenbosch

WW13-02 (Helshoogte) Thelema 1996-2001 1996-2001 1997-2001 Dec 1993 - Feb 2003 Paarl (Groot

WW13-02 Drakenstein) Vrede en Lust 1997 1996-2001 1996-2001 Oct 1995 - Aug 2004

WW13-12 Somerset-West Alto Apr 2004 - Mrt 2009 WW13-12 Stellenbosch kloof Bonfoi Apr 2004 - Mrt 2009 WW13-12 Stellenbosch Elsenburg Apr 2004 - Mrt 2009 WW13-12 Kuilsrivier Goedehoop Apr 2004 - Mrt 2009 WW13-12 Groenland Apr 2004 - Mrt 2009 WW13-12 Kuilsrivier Jacobsdal Apr 2004 - Mrt 2009 WW13-12 Stellenbosch Le Bonheur Apr 2004 - Mrt 2009 WW13-12 Faure Meerlust Sep 2004 - Mrt 2009

This document is confidential and any unauthorised disclosure is prohibited. Final report 21

Table 2 : Hourly weather station and seasonal wine aroma data used from different Winetech projects.

S. blanc C. Sauv. Aroma Aroma Chardonnay Corrected hourly Project no. Area Farm data data Aroma data data WW13-12 Stellenbosch Nietvoorbij Apr 2004 - Mrt 2009 WW13-12 Helderberg Rustenhof Apr 2004 - Mrt 2009 Stellenbosch

WW13-12 (Helshoogte) Thelema Jun 2006 - Mrt 2009

WW13-13 Helderberg Cordoba 2005- 2009 Mrt 2006 - Mrt 2008 WW13-13 Helderberg Lusthof/Eikendal 2005-2009 2005- 2009 Mrt 2006 - Mrt 2008 WW13-13 Helderberg Uvamira 2005- 2009 Mrt 2006 - Mrt 2008

WW13-16 Elgin Beaulieu 2007-2009 Dec 2006 - Mrt 2008 WW13-16 Elgin Eikenhof 2007-2009 Dec 2006 - Mrt 2008 WW13-16 Elgin OakVB 2007-2009 Aug 2006 - Mrt 2008 WW13-16 Elgin Shannon 2007-2009 Aug 2006 - Mrt 2008 WW13-16 Elgin Smarag 2007-2009 Aug 2006 - Mrt 2008

This document is confidential and any unauthorised disclosure is prohibited. Final report 22

This document is confidential and any unauthorised disclosure is prohibited. Industry allocated project number

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity

Nietvoorbij 1996 3.8 9.4 2.0 1.5 0.2 0.0 1.7 1.5 1.4 5.1 4.2 4.4 Nietvoorbij 1997 7.8 17.9 3.6 3.0 1.2 0.3 0.5 1.8 1.7 6.4 5.6 3.7 Nietvoorbij 1998 4.1 9.6 2.1 1.3 0.6 0.5 1.9 1.9 0.1 4.4 4.6 2.5 Nietvoorbij 1999 9.1 21.5 5.1 2.3 1.7 0.5 0.6 2.4 0.0 5.5 6.2 Nietvoorbij 2000 6.5 17.0 4.5 1.5 0.6 0.7 0.0 4.1 0.5 4.0 5.1 Nietvoorbij 2001 5.3 12.0 2.8 1.0 1.4 0.6 0.0 3.7 0.4 0.4 5.5 Thelema 1996 7.4 19.0 4.7 2.3 0.5 0.4 0.4 3.0 0.6 5.4 5.9 2.8 Thelema 1997 9.9 23.8 4.9 4.2 0.8 0.0 0.4 1.0 1.0 6.8 5.9 3.5 Thelema 1998 8.8 20.7 4.3 3.4 1.1 0.4 0.4 3.5 0.0 5.4 5.3 2.2 Thelema 1999 10.0 21.3 3.7 3.9 2.4 0.9 0.6 1.6 0.0 5.1 5.9 Thelema 2000 8.5 20.8 4.9 2.5 1.1 0.6 0.0 2.5 0.0 4.7 5.4 Thelema 2001 8.4 19.0 3.4 3.7 1.3 0.4 0.0 3.0 0.6 0.6 4.8 Knorhoek 1996 8.0 20.7 5.1 2.4 0.4 0.3 0.0 1.9 1.6 5.0 5.4 1.8 Knorhoek 1998 5.3 12.3 2.4 2.3 0.6 0.7 0.6 4.0 0.0 5.3 4.9 2.2 Knorhoek 1999 10.7 24.1 4.4 4.7 1.7 0.2 0.7 1.7 0.0 5.3 6.4 Knorhoek 2000 5.2 11.9 2.6 1.6 1.0 0.5 0.0 3.1 0.9 4.3 4.8 Middelvlei 1996 7.6 20.6 5.6 1.7 0.3 0.5 0.3 2.6 0.0 5.8 5.8 2.8 Middelvlei 1997 3.8 9.6 2.3 1.2 0.3 0.0 0.3 3.3 1.9 5.9 5.1 3.2 Middelvlei 1998 4.7 9.4 1.7 1.3 1.7 0.9 1.7 3.1 0.0 5.1 5.2 3.5 Middelvlei 1999 8.4 20.2 4.5 2.8 1.1 0.5 0.7 2.2 0.2 5.0 5.6 Middelvlei 2000 5.7 12.9 2.6 1.9 1.2 0.4 0.0 4.0 0.2 4.5 5.6 Middelvlei 2001 6.8 15.5 3.4 2.0 1.5 0.8 0.0 2.4 0.5 0.5 4.8 Grootvlei 1996 8.6 22.0 5.4 2.7 0.5 0.3 0.2 1.2 0.2 5.9 5.6 3.0 Grootvlei 1997 7.1 17.2 4.7 0.7 1.7 0.0 0.6 3.1 0.8 5.5 5.7 2.4

This document is confidential and any unauthorised disclosure is prohibited.

Final report 24

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity

Grootvlei 1998 5.5 14.6 3.9 1.3 0.2 0.8 1.1 1.9 0.0 5.3 3.9 2.1 Grootvlei 1999 7.4 17.1 3.6 2.5 1.3 0.5 0.0 3.5 0.1 5.6 5.8 Grootvlei 2000 7.4 16.9 3.4 2.9 1.2 0.3 0.0 3.5 0.0 4.6 4.9 Grootvlei 2001 5.4 11.8 2.4 1.6 1.3 0.7 0.0 3.8 0.1 0.1 4.9 Skoonheid 1996 8.4 22.4 6.6 0.8 0.9 0.5 0.5 1.2 0.7 5.6 5.7 3.1 Skoonheid 1997 9.1 21.2 3.2 5.5 0.4 0.4 0.4 1.7 1.2 5.8 6.8 2.2 Skoonheid 1998 7.7 17.2 3.4 2.7 1.6 0.2 2.0 1.5 0.0 5.2 4.8 3.3 Skoonheid 1999 13.6 31.9 5.4 7.4 0.8 0.3 0.1 1.1 0.4 5.2 6.6 Skoonheid 2000 7.0 15.9 3.4 2.1 1.5 0.3 0.0 3.8 0.3 4.6 4.6 Skoonheid 2001 7.1 14.9 2.2 3.4 1.5 0.9 0.0 2.2 0.2 0.2 4.6 Morgenster 1996 8.2 22.7 6.6 1.3 0.4 0.2 0.4 1.8 1.1 5.4 5.9 2.4 Morgenster 1997 10.0 24.9 5.5 3.9 0.6 0.1 0.4 1.5 0.7 6.4 5.7 2.5 Morgenster 1998 6.9 16.2 3.8 1.6 1.5 1.6 0.3 1.2 0.0 4.8 3.8 1.8 Morgenster 1999 13.2 29.9 5.3 6.0 1.9 0.1 0.1 1.8 0.2 5.3 6.4 Morgenster 2000 5.7 12.7 2.5 2.0 1.2 0.3 0.1 2.8 0.5 4.3 4.2 Morgenster 2001 9.3 23.6 5.9 2.5 0.9 0.4 0.0 1.6 0.7 0.7 4.6 Goedehoop 1996 5.6 15.5 4.6 0.6 0.3 0.5 0.8 4.0 0.1 5.1 5.6 2.7 Goedehoop 1997 3.3 7.3 1.6 0.8 0.9 0.5 0.3 2.0 3.7 4.6 3.9 2.6 Goedehoop 1998 5.1 11.8 2.4 1.9 0.8 0.3 1.4 3.4 0.0 6.1 4.1 3.4 Goedehoop 1999 11.3 26.7 6.0 3.5 1.8 0.6 0.6 2.4 0.1 5.7 5.8 Goedehoop 2000 6.5 15.6 3.7 1.8 1.1 0.1 0.0 3.0 0.0 4.4 4.8 Goedehoop 2001 5.4 12.2 2.3 2.2 0.9 0.6 0.0 3.8 1.0 1.0 4.1 Jacobsdal 1996 9.3 24.6 6.6 2.2 0.5 0.2 0.3 0.1 0.8 5.8 5.5 3.2 Jacobsdal 1997 10.4 24.3 4.7 4.5 1.2 0.3 0.2 1.0 0.9 6.4 5.9 3.8 Jacobsdal 1998 9.8 22.3 4.8 2.9 2.1 0.9 1.2 1.7 0.6 5.1 5.5 2.4 Jacobsdal 2000 8.6 19.9 4.2 2.9 1.4 0.8 0.0 3.2 0.1 4.9 5.1

This document is confidential and any unauthorised disclosure is prohibited. Final report 25

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity

Jacobsdal 2001 9.5 22.1 4.4 3.7 1.4 0.6 0.0 2.3 0.6 0.6 4.5 Alto 1997 4.9 12.6 3.2 1.2 0.4 0.3 0.0 2.0 2.3 5.4 5.0 2.1 Rustenhof 1996 5.1 14.5 4.5 0.4 0.2 0.2 0.0 1.8 1.1 5.3 4.7 3.0 Rustenhof 1997 4.1 10.4 2.2 1.8 0.1 0.0 0.7 2.1 4.8 5.7 5.4 2.9 Rustenhof 1998 6.4 13.4 2.3 2.3 1.7 0.6 0.4 2.8 0.4 5.5 4.1 3.7 Rustenhof 1999 10.2 24.9 5.5 3.6 1.1 0.3 0.6 3.0 0.0 5.0 5.8 Rustenhof 2000 7.2 16.2 3.4 2.2 1.6 0.8 0.0 3.1 0.0 4.5 5.4 Rustenhof 2001 7.0 13.7 1.8 3.2 2.0 0.9 0.2 2.2 0.4 0.4 4.5 Meerlust 1996 4.5 10.4 2.2 1.6 0.8 1.1 1.1 1.1 1.6 5.1 4.6 4.1 Meerlust 1998 5.2 9.7 1.4 1.7 2.1 0.5 1.0 1.4 0.0 5.6 4.0 2.4 Meerlust 1999 6.9 17.7 4.4 2.1 0.4 0.8 0.2 3.5 0.0 5.5 6.2 Meerlust 2000 6.9 17.1 3.9 2.3 0.6 0.6 0.0 3.3 0.0 4.8 5.2 Meerlust 2001 5.3 10.7 1.7 2.0 1.6 0.3 0.0 3.0 0.0 0.0 4.5 Bonfoi 1996 7.2 18.5 4.4 2.4 0.3 0.6 1.6 1.2 0.2 5.0 6.2 2.5 Bonfoi 1997 4.2 10.4 2.6 1.1 0.5 0.0 0.6 3.6 1.3 5.7 5.0 2.9 Bonfoi 1998 3.4 7.5 1.1 1.9 0.3 0.3 3.0 1.1 0.0 4.0 4.1 2.8 Bonfoi 1999 4.8 10.6 1.9 1.9 1.0 0.3 2.3 3.9 0.7 5.1 5.9 Bonfoi 2000 7.7 17.0 2.5 4.3 0.9 0.9 0.0 2.7 0.0 3.3 5.0 Bonfoi 2001 6.4 14.0 2.4 2.8 1.2 0.5 0.0 2.8 0.1 0.1 5.1 Le Bonheur 1996 6.8 18.3 5.0 1.5 0.3 0.3 0.2 2.1 0.7 5.0 5.0 2.0 Le Bonheur 1997 6.7 17.5 4.5 1.8 0.3 0.0 0.0 2.5 1.1 6.2 5.6 2.2 Le Bonheur 1998 4.5 11.2 2.5 1.6 0.3 1.2 1.3 2.9 0.0 4.9 4.0 2.4 Le Bonheur 1999 7.8 15.8 2.0 4.0 1.8 0.7 2.0 2.0 0.0 4.3 5.6 Le Bonheur 2000 6.3 14.7 3.1 2.1 1.0 0.8 0.0 2.9 0.0 3.7 4.6 Le Bonheur 2001 6.6 15.0 2.7 3.0 0.9 0.8 0.0 3.9 0.6 0.6 4.9 Vrede en Lust 1997 6.2 13.1 3.0 1.0 2.2 0.0 0.0 1.5 3.3 5.7 4.4 5.2

This document is confidential and any unauthorised disclosure is prohibited. Final report 26

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity Elsenburg 1997 5.8 14.8 3.7 1.5 0.6 0.3 0.4 3.3 0.7 6.6 4.6 3.4 Elsenburg 1999 8.0 18.0 3.8 2.5 1.8 1.3 1.0 1.7 0.3 5.9 5.8 Elsenburg 2000 7.5 17.2 3.5 2.8 1.2 0.3 0.0 2.5 0.0 3.9 4.4 Elsenburg 2001 4.8 9.9 1.8 1.5 1.5 0.2 0.0 4.2 0.0 0.0 5.4 Groenhof 2001 4.4 10.0 2.1 1.5 0.8 0.6 0.0 6.3 2.3 2.3 5.6 Groenhof2 2001 7.7 17.0 2.6 4.0 1.1 0.4 0.0 4.2 1.2 1.2 4.5 MiddelvleiB 1998 5.5 12.3 2.6 1.7 1.2 0.2 5.4 4.9 5.7 6.9 MiddelvleiB 1999 7.1 14.5 2.4 2.7 2.0 0.7 2.3 5.4 5.3 5.6 MiddelvleiB 2000 3.3 7.7 1.4 1.6 0.3 0.3 2.6 5.6 5.2 5.0 MiddelvleiB 2001 7.8 17.7 3.2 3.4 1.2 0.7 4.1 6.0 5.5 6.1 MiddelvleiB 2002 6.9 15.3 3.3 1.8 1.8 0.8 3.8 5.6 5.6 6.2 MiddelvleiB 2003 8.2 18.1 3.9 2.2 2.1 1.0 3.4 5.3 5.3 5.7 GrootvleiB 1998 6.3 14.1 2.7 2.3 1.2 0.2 3.0 5.3 5.0 6.2 GrootvleiB 1999 6.9 15.6 3.4 1.9 1.6 0.4 2.3 4.8 4.7 5.4 GrootvleiB 2000 4.8 12.0 3.1 1.2 0.5 0.0 2.9 4.3 4.7 5.4 GrootvleiB 2001 8.6 18.5 3.0 4.0 1.6 0.8 3.8 5.2 5.0 6.2 GrootvleiB 2002 4.8 10.6 2.0 1.8 1.0 0.5 3.0 4.6 4.4 5.1 GrootvleiB 2003 7.9 17.1 3.5 2.3 2.1 0.4 3.1 5.3 5.0 5.7 MorgensterB 1998 7.2 16.3 3.5 2.1 1.6 0.2 2.9 5.8 5.8 6.2 MorgensterB 1999 9.9 23.4 4.9 3.7 1.3 1.0 2.1 5.8 6.4 6.6 MorgensterB 2000 6.3 14.6 3.6 1.2 1.6 0.0 3.0 4.9 5.5 6.3 MorgensterB 2001 11.0 23.6 3.9 4.8 2.2 1.4 2.2 5.8 6.2 6.9 MorgensterB 2002 6.6 15.0 3.3 1.7 1.5 0.5 3.7 5.5 5.7 5.9 MorgensterB 2003 9.8 21.6 4.5 2.7 2.6 1.1 2.8 5.2 5.5 6.1 SkoonheidB 1998 6.3 14.1 2.7 2.3 1.2 0.2 3.0 5.3 5.0 6.2 SkoonheidB 1999 6.9 15.6 3.4 1.9 1.6 0.4 2.3 4.8 4.7 5.4

This document is confidential and any unauthorised disclosure is prohibited. Final report 27

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity SkoonheidB 2000 4.8 12.0 3.1 1.2 0.5 0.0 2.9 4.3 4.7 5.4 SkoonheidB 2001 8.6 18.5 3.0 4.0 1.6 0.8 3.8 5.2 5.0 6.2 SkoonheidB 2002 4.8 10.6 2.0 1.8 1.0 0.5 3.0 4.6 4.4 5.1 SkoonheidB 2003 7.9 17.1 3.5 2.3 2.1 0.4 3.1 5.3 5.0 5.7 ThelemaB 1998 8.7 19.7 3.9 3.2 1.7 0.3 2.6 5.4 6.1 7.1 ThelemaB 1999 8.2 20.4 4.8 2.7 0.7 0.7 4.1 6.2 6.3 6.7 ThelemaB 2000 6.8 16.3 3.7 2.1 1.0 0.1 1.8 5.0 5.5 6.2 ThelemaB 2001 10.3 23.7 4.8 3.7 1.8 0.8 3.0 5.6 5.8 6.7 ThelemaB 2002 7.3 16.2 3.0 3.0 1.3 0.2 3.5 4.8 5.2 6.1 ThelemaB 2003 10.4 22.9 4.6 3.3 2.4 0.9 3.3 5.5 5.7 6.0 Beaulieu 2007 8.2 17.0 2.9 3.0 2.3 2.6 3.9 4.6 4.7 3.9 4.8 Beaulieu 2008 4.6 10.6 1.7 2.5 0.4 1.5 2.6 5.5 4.3 2.6 4.9 Beaulieu 2009 12.1 26.1 5.4 3.1 3.6 3.9 2.2 4.0 2.9 3.1 6.4 Eikenhof 2007 8.7 17.9 3.0 3.1 2.5 4.0 3.0 5.0 4.8 4.6 4.5 Eikenhof 2009 13.9 29.0 5.8 3.5 4.6 5.5 3.0 5.4 3.2 5.5 7.3 Oak Valley 2007 8.9 19.0 3.4 3.3 2.2 2.4 4.2 5.2 4.8 4.9 5.2 Oak Valley 2008 6.9 16.8 3.6 2.8 0.6 1.6 4.1 6.1 5.1 4.8 5.5 Oak Valley 2009 8.9 19.0 3.4 3.3 2.2 2.4 4.2 5.2 4.8 4.9 5.2 Shannon 2009 9.0 21.1 4.7 2.8 1.5 0.9 4.7 5.9 5.3 5.8 6.5 Smarag 2007 10.6 23.3 4.5 3.7 2.4 2.0 4.5 5.3 5.5 5.4 5.9 Smarag 2008 6.4 15.5 3.4 2.4 0.6 1.8 3.9 6.4 5.2 5.1 5.1 Smarag 2009 8.4 17.4 3.0 3.0 2.4 3.3 3.4 4.8 4.8 4.2 4.6 Uvamira 2005 9.0 20.5 4.2 3.0 1.8 1.6 4.4 5.6 5.3 5.5 6.2 Uvamira 2006 6.8 16.2 3.8 1.8 1.2 0.7 4.1 5.1 5.2 5.1 6.5 Uvamira 2007 9.1 20.5 4.3 2.9 2.0 2.4 4.3 5.0 4.9 5.1 5.5 Uvamira 2008 8.4 18.2 3.5 3.0 2.0 1.5 3.3 5.5 4.5 4.9 5.0

This document is confidential and any unauthorised disclosure is prohibited. Final report 28

Table 3a : Wine tasting results of Sauvignon blanc.

Observation Gras Gras Fresh Cooked Dried Spicy Caramel Tropical Other Acidity Fullness Astringency Overall Aroma 1 2 vegetative vegetative vegetative fruit quality intensity Uvamira 2009 9.1 18.9 3.5 2.8 2.8 1.9 3.2 5.3 4.5 4.4 4.7 Eikendal/lushof 2005 9.0 20.5 4.2 3.0 1.8 1.6 4.4 5.6 5.3 5.5 6.2 Eikendal/lushof 2006 6.8 16.2 3.8 1.8 1.2 0.7 4.1 5.1 5.2 5.1 6.5 Eikendal/lushof 2007 9.1 20.5 4.3 2.9 2.0 2.4 4.3 5.0 4.9 5.1 5.5 Eikendal/lushof 2008 8.4 18.2 3.5 3.0 2.0 1.5 3.3 5.5 4.5 4.9 5.0 Eikendal/lushof 2009 9.1 18.9 3.5 2.8 2.8 1.9 3.2 5.3 4.5 4.4 4.7

This document is confidential and any unauthorised disclosure is prohibited. Final report 29

Table 3b : Wine tasting results of Cabernet Sauvignon.

Observation Colour Vegetative Berry Nutty Spicy Floral Woody Other Acidity Fullness Astringency Aroma Overall intencity qaulity

Nietvoorbij 1996 8.9 3.2 5.1 0.3 0.3 0.5 0.5 0.6 5.7 5.9 3.7 Nietvoorbij 1997 8.9 2.7 3.4 0.1 0.7 0.3 0.4 0.8 6.0 4.7 1.8 Nietvoorbij 1998 9.2 3.2 4.1 0.3 0.4 0.0 0.9 0.0 5.7 6.1 3.4 Nietvoorbij 1999 9.4 3.8 4.4 0.1 0.6 0.5 0.4 0.0 5.4 6.3 3.7 Nietvoorbij 2000 8.8 3.8 4.7 1.1 0.5 0.0 0.0 5.0 5.0 2.0 Nietvoorbij 2001 8.6 4.7 4.0 2.2 1.1 0.0 0.0 5.6 5.2 2.8 Thelema 1996 8.7 4.2 4.8 0.1 0.0 0.4 0.4 0.0 6.3 5.7 2.7 Thelema 1997 9.2 2.9 4.8 0.2 0.6 0.6 0.9 1.4 6.0 6.1 2.1 Thelema 1998 9.6 4.2 4.2 0.1 1.1 0.8 0.8 0.0 5.7 5.4 1.9 Thelema 1999 9.3 3.7 2.2 0.9 0.5 0.2 1.1 1.9 5.3 4.7 2.3 Thelema 2000 9.1 3.2 5.1 2.0 0.6 0.0 0.0 5.6 4.9 2.6 Thelema 2001 9.2 5.6 3.3 1.6 2.5 0.0 0.1 5.2 5.4 3.9 Knorhoek 1996 9.1 2.4 5.6 0.0 0.2 0.2 0.7 0.4 5.7 5.7 3.2 Knorhoek 1998 8.8 3.3 4.3 0.2 0.7 0.7 0.7 0.0 5.2 4.2 2.6 Knorhoek 1999 4.7 4.5 3.0 0.1 0.1 0.4 1.0 0.3 3.2 2.3 1.3 Knorhoek 2000 9.1 4.7 3.3 1.0 0.5 0.9 0.0 4.6 5.1 1.5 Middelvlei 1996 9.3 3.5 6.0 0.2 0.2 0.2 0.3 0.6 5.7 6.2 3.1 Middelvlei 1997 8.7 2.7 5.1 0.1 0.7 0.4 0.8 0.6 5.3 4.6 1.9 Middelvlei 1998 7.8 2.7 3.8 0.3 0.2 0.3 0.3 0.0 4.8 4.1 1.6 Middelvlei 1999 9.2 4.4 4.5 0.8 0.4 0.7 0.0 0.5 5.2 5.0 2.3 Middelvlei 2000 9.3 4.6 4.5 1.6 0.5 0.0 0.3 5.1 5.4 2.8 Grootvlei 1996 9.2 1.7 6.5 0.1 0.2 2.1 0.8 1.1 5.1 5.7 3.6 Grootvlei 1997 9.0 0.5 0.5 0.0 0.0 0.0 0.7 7.4 6.1 5.1 4.3 Grootvlei 1998 9.0 3.5 3.9 0.7 0.2 0.5 1.1 0.0 5.7 5.6 2.9 Grootvlei 1999 9.5 5.1 3.4 0.7 0.9 0.8 0.3 0.1 5.4 6.1 3.0

This document is confidential and any unauthorised disclosure is prohibited. Final report 30

Table 3b : Wine tasting results of Cabernet Sauvignon.

Observation Colour Vegetative Berry Nutty Spicy Floral Woody Other Acidity Fullness Astringency Aroma Overall intencity qaulity

Grootvlei 2000 8.9 5.1 4.3 1.4 0.6 0.0 0.0 4.9 5.6 1.9 Grootvlei 2001 9.4 5.5 4.1 1.8 1.0 0.0 0.0 5.0 6.1 2.8 Skoonheid 1996 9.5 3.8 4.4 0.0 0.0 0.1 0.2 1.5 5.2 6.1 2.8 Skoonheid 1997 9.3 5.0 2.6 0.3 0.3 0.8 1.6 1.3 6.9 6.1 2.1 Skoonheid 1998 9.4 4.0 5.1 0.5 0.5 0.4 0.5 0.0 5.6 6.2 3.4 Skoonheid 2000 9.4 6.0 3.5 1.7 1.1 0.0 0.5 5.4 6.3 2.4 Skoonheid 2001 9.3 3.6 4.0 2.1 1.1 0.0 0.6 5.3 6.6 4.1 Morgenster 1996 8.2 4.2 3.9 0.1 0.3 0.4 0.4 1.2 5.9 5.4 2.2 Morgenster 1997 8.7 2.9 4.4 0.3 0.3 0.5 1.5 1.2 5.4 5.3 2.1 Morgenster 1999 8.6 6.1 2.8 0.8 0.6 1.0 1.1 0.0 5.6 6.1 2.9 Morgenster 2000 8.7 4.0 3.6 0.4 1.2 0.2 0.0 4.7 5.4 2.2 Morgenster 2001 8.7 7.2 4.8 2.7 1.4 0.0 0.0 5.5 7.4 2.4 Goedehoop 1996 8.7 3.0 6.4 0.3 0.4 0.3 0.5 0.5 5.3 4.4 3.3 Goedehoop 1997 9.3 6.1 3.0 0.1 0.4 0.8 1.2 0.6 6.2 6.0 2.2 Goedehoop 1998 9.2 4.7 3.9 0.5 0.8 0.0 0.3 0.0 5.3 4.9 2.7 Goedehoop 1999 9.2 4.1 4.3 0.7 0.5 1.8 0.6 0.0 5.5 5.4 3.2 Goedehoop 2000 9.0 3.7 3.8 0.7 0.8 0.0 0.2 4.8 5.5 2.0 Goedehoop 2001 8.7 3.2 3.9 1.2 1.3 0.0 0.0 5.3 5.7 3.9 Jacobsdal 1996 9.6 3.0 4.4 0.1 0.3 0.8 0.7 1.4 5.5 4.9 2.9 Jacobsdal 1997 9.6 5.8 2.7 0.5 1.1 0.2 0.9 0.6 6.3 6.4 2.0 Jacobsdal 1998 9.5 3.7 3.1 0.3 0.8 1.0 1.2 0.4 4.9 5.7 2.6 Jacobsdal 2000 9.8 4.7 4.5 2.0 0.6 0.0 0.4 5.3 6.1 2.8 Jacobsdal 2001 9.3 5.2 4.1 2.9 1.2 0.0 0.4 5.4 6.1 3.4 Rustenhof 1996 7.3 2.6 4.5 0.2 0.3 0.0 0.3 1.2 5.0 3.8 2.7 Rustenhof 1997 9.4 4.2 4.4 0.0 0.3 0.4 1.3 0.3 5.6 6.0 1.8 Rustenhof 1998 9.3 5.5 2.9 0.1 0.4 0.3 0.6 0.0 5.0 5.2 2.7

This document is confidential and any unauthorised disclosure is prohibited. Final report 31

Table 3b : Wine tasting results of Cabernet Sauvignon.

Observation Colour Vegetative Berry Nutty Spicy Floral Woody Other Acidity Fullness Astringency Aroma Overall intencity qaulity

Rustenhof 1999 8.8 3.9 3.6 0.9 0.8 1.0 0.5 0.0 5.3 5.0 2.5 Rustenhof 2000 9.3 4.2 3.6 1.7 0.7 0.0 0.0 5.6 4.3 1.9 Rustenhof 2001 6.6 3.1 4.1 1.4 1.8 0.0 0.0 5.5 4.0 2.6 Meerlust 1996 4.7 2.4 3.4 0.0 0.2 0.6 0.1 1.1 5.2 2.4 3.3 Meerlust 1998 9.4 3.8 3.6 0.5 0.6 0.3 1.1 0.0 5.4 5.5 3.6 Meerlust 1999 9.5 3.9 5.0 0.4 1.1 0.8 0.4 0.0 5.2 5.8 3.8 Meerlust 2000 9.8 5.6 3.4 1.8 0.8 0.0 0.4 5.1 5.5 4.4 Meerlust 2001 9.3 4.4 3.9 2.1 1.0 0.0 0.0 4.8 5.4 3.2 Bonfoi 1996 4.4 3.2 2.7 0.1 0.0 0.4 0.3 0.9 5.1 2.6 2.2 Bonfoi 1997 9.0 2.2 4.2 0.1 0.5 0.2 0.3 2.9 5.4 4.8 2.7 Bonfoi 1998 9.0 4.5 2.3 0.9 0.6 0.4 1.0 0.9 5.6 4.0 2.0 Bonfoi 1999 9.0 4.2 3.4 0.3 0.5 0.4 0.2 0.6 5.7 4.3 2.1 Bonfoi 2000 9.1 3.8 4.0 0.6 0.4 0.2 0.0 5.5 4.9 2.6 Bonfoi 2001 8.6 3.2 3.7 1.5 1.1 0.0 0.0 5.8 5.0 3.9 Le Bonheur 1996 8.1 3.6 4.2 0.1 0.2 0.4 0.1 2.8 4.9 4.6 2.2 Le Bonheur 1997 9.3 2.3 5.4 0.2 0.8 0.3 0.7 0.6 5.4 5.5 2.3 Le Bonheur 1998 9.5 3.3 6.0 0.2 0.6 0.1 1.0 0.0 6.2 6.0 3.8 Le Bonheur 1999 9.4 3.4 4.4 0.4 0.6 0.9 0.9 0.2 5.7 6.5 3.9 Le Bonheur 2000 8.6 4.2 4.6 1.3 0.4 0.0 0.6 5.3 5.4 2.0 Le Bonheur 2001 9.0 5.7 4.5 2.3 1.3 0.0 0.8 5.4 6.4 3.4 Vrede en Lust 1997 8.3 4.4 3.8 0.8 0.2 0.5 1.2 0.0 5.2 5.2 1.2 Elsenburg 1997 8.3 4.6 3.1 0.2 0.5 0.0 0.8 0.7 5.5 5.6 1.3 Elsenburg 1999 6.4 2.6 4.1 0.2 0.8 1.6 0.2 1.5 4.0 3.7 1.6 Elsenburg 2000 7.9 4.3 3.5 0.8 0.9 0.2 0.3 5.0 5.4 1.9 Elsenburg 2001 4.8 2.5 3.1 0.9 1.0 0.0 1.0 3.1 3.6 1.5

This document is confidential and any unauthorised disclosure is prohibited. Final report 32

Table 3b : Wine tasting results of Cabernet Sauvignon.

Observation Colour Vegetative Berry Nutty Spicy Floral Woody Other Acidity Fullness Astringency Aroma Overall intencity qaulity

Groenhof 2001 8.4 4.2 6.1 1.6 1.3 0.0 0.0 5.0 5.9 2.1 Groenhof2 2001 9.5 5.8 5.9 2.6 2.0 0.0 0.2 5.5 6.4 3.0 Eikendal/lushof 2005 7.5 4.6 4.9 2.6 5.2 5.5 4.7 6.6 5.6 Eikendal/lushof 2006 7.6 4.6 5.3 2.5 5.2 5.3 4.7 6.3 5.5 Eikendal/lushof 2007 6.9 5.2 4.5 2.9 5.1 4.7 4.5 6.2 5.4 Eikendal/lushof 2008 6.0 4.2 4.3 2.7 5.1 4.3 2.4 5.3 4.8 Eikendal/lushof 2009 7.1 5.4 4.9 3.2 5.1 5.6 4.9 6.6 5.2

This document is confidential and any unauthorised disclosure is prohibited. Final report 33

Table 3c : Wine tasting results of Chardonnay.

Tree Tropical Dried Observation Caramel Citrus fruit fruit Floral fruit Other Acidity Fullness Nietvoorbij 1996 2.4 0.8 0.2 0.4 0.0 0.6 3.7 4.8 4.8 Nietvoorbij 1997 1.1 3.8 0.0 1.5 0.0 0.4 2.4 5.7 5.5 Nietvoorbij 1998 0.7 3.4 1.3 1.8 0.5 0.5 0.0 5.3 4.3 Nietvoorbij 1999 1.1 3.5 1.5 4.3 2.9 0.8 0.0 5.6 5.9 Nietvoorbij 2000 0.9 3.8 2.4 3.5 0.3 1.5 0.2 4.7 5.6 Nietvoorbij 2001 1.6 2.1 0.2 2.1 0.0 0.7 0.0 4.9 5.6 Thelema 1997 0.4 2.0 2.2 1.5 3.3 0.1 1.0 5.0 4.3 Thelema 1998 0.9 2.8 0.3 3.0 2.7 1.1 1.1 5.5 5.6 Thelema 1999 1.5 3.3 2.9 4.3 2.8 2.2 0.0 5.3 6.4 Thelema 2000 1.4 1.9 3.1 3.7 4.5 1.1 0.0 4.5 5.5 Thelema 2001 0.7 2.2 0.1 1.0 2.4 1.9 0.0 5.1 5.6 Knorhoek 1996 0.6 3.3 0.5 2.4 0.2 0.8 0.8 5.7 5.1 Knorhoek 1998 1.4 3.4 0.3 1.7 0.4 0.3 0.3 5.6 4.2 Knorhoek 1999 1.0 3.0 1.3 2.0 2.6 1.9 0.3 6.1 5.7 Knorhoek 2000 1.7 3.4 2.3 3.9 0.0 1.3 0.0 4.6 5.9 Middelvlei 1997 1.1 1.9 0.0 3.6 0.6 0.6 1.8 5.3 4.9 Middelvlei 1999 2.1 3.1 2.6 3.2 1.0 1.4 0.1 5.8 5.5 Middelvlei 2000 2.5 3.0 2.2 3.2 0.3 0.8 0.1 4.5 4.9 Middelvlei 2001 1.2 2.5 1.4 0.9 0.0 0.7 0.0 4.4 4.2 Grootvlei 1996 1.6 3.1 0.9 2.0 0.4 0.7 0.7 5.3 5.7 Grootvlei 1997 0.8 4.3 0.7 1.6 0.4 0.0 1.8 5.8 4.9 Grootvlei 1998 1.5 3.3 1.1 1.8 0.7 0.2 0.0 5.8 4.7 Grootvlei 1999 1.6 2.1 1.4 2.8 3.2 2.1 0.0 5.9 5.9 Grootvlei 2000 0.6 3.7 2.4 3.7 0.0 0.7 0.1 4.7 4.5 Grootvlei 2001 0.9 2.7 0.5 1.1 0.4 0.3 0.0 5.2 5.9 Skoonheid 1996 1.0 3.5 0.8 2.1 2.1 1.1 0.5 4.8 4.6

This document is confidential and any unauthorised disclosure is prohibited. Final report 34

Table 3c : Wine tasting results of Chardonnay.

Tree Tropical Dried Observation Caramel Citrus fruit fruit Floral fruit Other Acidity Fullness Skoonheid 1998 0.6 1.3 1.9 3.5 4.0 1.3 0.0 5.3 5.6 Skoonheid 2000 1.8 3.2 2.4 2.7 0.0 1.4 0.3 4.5 4.6 Skoonheid 2001 2.1 2.2 0.1 1.6 0.3 1.0 0.5 4.8 5.4 Morgenster 1996 0.5 3.3 0.8 2.6 0.3 0.3 0.5 5.5 5.2 Morgenster 1997 0.6 2.9 0.5 3.7 0.3 0.0 1.2 5.9 5.9 Morgenster 1998 1.8 3.8 0.4 2.4 0.4 0.8 0.0 5.5 4.9 Morgenster 1999 0.7 3.1 1.4 2.1 0.9 1.0 0.4 6.2 4.5 Morgenster 2000 1.3 3.1 1.7 3.1 0.4 0.9 0.6 4.9 4.8 Morgenster 2001 1.5 2.7 0.7 1.2 0.5 0.7 0.2 5.4 5.9 Goedehoop 1996 0.7 4.1 0.7 3.0 0.1 0.2 0.0 4.7 4.4 Goedehoop 1997 0.0 2.6 0.0 2.2 0.2 0.5 2.2 6.5 3.5 Goedehoop 1998 1.6 2.5 0.9 1.9 0.3 0.4 0.2 5.6 4.7 Goedehoop 1999 1.4 2.9 1.3 2.5 0.4 1.7 0.0 5.9 5.1 Goedehoop 2000 1.0 1.9 2.4 2.8 0.7 0.6 0.0 4.3 4.0 Goedehoop 2001 0.6 2.8 0.5 1.5 0.0 1.2 0.0 4.7 5.8 Jacobsdal 1996 1.1 3.3 0.4 3.1 0.2 0.6 0.8 4.9 6.1 Jacobsdal 1997 0.4 2.0 0.4 3.6 0.6 0.8 1.3 6.1 4.4 Jacobsdal 1998 1.5 3.3 0.6 2.2 0.7 0.2 0.0 5.4 4.4 Jacobsdal 2000 1.2 2.8 2.1 4.4 0.2 1.3 0.2 4.5 5.3 Jacobsdal 2001 1.3 2.8 1.3 1.6 0.0 1.1 0.0 5.0 5.4 Alto 1997 0.3 3.1 0.4 4.8 0.5 0.0 0.8 6.0 5.1 Rustenhof 1996 2.6 2.5 1.2 0.5 0.2 0.4 0.8 4.3 4.7 Rustenhof 1997 1.7 2.9 0.3 3.9 0.8 0.2 1.9 5.3 4.3 Rustenhof 1998 1.1 2.1 1.3 2.5 0.9 0.3 0.3 4.8 4.4 Rustenhof 1999 1.6 4.1 1.5 2.1 2.4 1.5 0.0 5.4 6.5 Rustenhof 2000 1.2 3.0 1.8 2.8 0.2 1.4 0.0 4.1 3.8

This document is confidential and any unauthorised disclosure is prohibited. Final report 35

Table 3c : Wine tasting results of Chardonnay.

Tree Tropical Dried Observation Caramel Citrus fruit fruit Floral fruit Other Acidity Fullness Rustenhof 2001 0.7 2.0 1.1 1.7 0.8 0.6 0.2 4.6 4.9 Meerlust 1996 1.6 3.3 1.0 2.2 0.0 0.4 0.7 4.6 5.2 Meerlust 1998 1.6 3.3 0.5 3.0 0.6 0.1 0.3 5.2 5.0 Meerlust 1999 1.0 2.4 2.0 2.2 1.9 1.8 0.3 5.0 5.0 Meerlust 2000 1.0 3.6 2.5 3.4 0.5 1.5 0.1 5.0 5.3 Meerlust 2001 1.7 3.1 0.3 1.7 0.0 0.9 0.0 5.1 5.1 Bonfoi 1996 2.5 2.3 0.9 1.9 0.0 0.5 0.3 5.1 4.9 Bonfoi 1997 1.7 3.5 0.0 3.9 0.8 0.1 1.2 5.5 6.1 Bonfoi 1998 0.4 3.0 2.2 3.5 1.4 0.9 0.3 5.6 4.3 Bonfoi 1999 0.9 2.1 1.5 3.0 0.9 1.9 0.3 5.7 6.2 Bonfoi 2000 1.4 3.0 2.2 2.9 0.1 1.6 0.4 4.4 5.5 Le Bonheur 1996 2.0 3.2 0.2 1.5 0.0 0.3 0.5 5.1 5.2 Le Bonheur 1997 0.7 2.6 0.1 3.9 0.3 0.0 0.6 4.8 3.4 Le Bonheur 1998 2.0 2.1 1.6 2.0 0.6 0.4 0.0 5.5 4.6 Le Bonheur 1999 1.4 4.0 2.0 3.4 1.5 1.6 0.0 5.1 6.0 Le Bonheur 2000 1.7 1.3 2.3 2.0 0.3 1.3 0.0 4.1 4.1 Le Bonheur 2001 1.2 2.9 0.1 1.4 0.3 1.3 0.3 4.0 4.4 Vrede en Lust 1997 0.7 3.6 1.3 3.9 0.7 0.2 0.5 5.2 4.6 Elsenburg 1997 0.4 3.7 0.4 3.6 0.8 0.5 0.7 6.3 5.3 Elsenburg 1999 1.2 3.1 2.1 2.2 1.4 0.7 0.0 5.6 5.6 Elsenburg 2000 1.0 2.3 2.3 3.6 0.4 1.2 0.4 4.6 5.3 Elsenburg 2001 0.9 3.0 0.0 0.9 0.0 0.7 0.3 5.1 5.5 Groenhof 2001 1.0 2.3 0.0 0.8 3.2 1.9 0.0 5.0 5.7

This document is confidential and any unauthorised disclosure is prohibited. Final report 36

Table 3d : Wine tasting results of Merlot.

Aroma Spicy Acidity Fullness Overall Vegetative Berry Astringency Colour Observation intensity quality Beaulieu 2008 5.6 3.2 5.7 5.4 5.6 3.2 4.5 3.5 7.2 Beaulieu 2009 4.5 3.2 3.6 3.4 4.1 4.0 4.2 3.4 Eikenhof 2009 5.5 3.7 4.7 4.9 5.2 4.7 3.8 6.5 Oak Valley 2008 5.4 2.2 3.9 4.0 3.1 3.1 3.6 2.9 6.4 Oak Valley 2009 6.7 4.0 5.1 5.3 5.4 5.4 3.9 6.6 Shannon vineyards 2009 6.0 3.7 4.8 4.8 5.0 6.4 3.8 6.7

This document is confidential and any unauthorised disclosure is prohibited. Final report 37

This document is confidential and any unauthorised disclosure is prohibited. Final report 38

This document is confidential and any unauthorised disclosure is prohibited. Industry allocated project number

Table 4 : Average 2-Methoxy-3-isobutylpyrazine (iBMP) values (ng/L) over three seasons (2005-2007) of Sauvignon blanc, Cabernet Sauvignon and Merlot extrated from project WW 08/31 Database of aroma compounds .

Cellar District S. blanc Cab Merlot iBMP Sauv iBMP Average iBMP Average Value Average Value Value BUITENVERWACHTING - CONSTANTIA Constantia/Cape Point 9 39 CAPE POINT VINEYARDS Constantia/Cape Point 49 CONSTANTIA GLEN Constantia/Cape Point 13 KLEIN CONSTANTIA Constantia/Cape Point 48 14 STEENBERG VINEYARDS Constantia/Cape Point 41 ALTYDGEDACHT ESTATE Durbanville/Philadelphia 14 DE GRENDEL WINES Durbanville/Philadelphia 60 DIEMERSDAL LANDGOED Durbanville/Philadelphia 20 HAVANA HILLS – PHILADELPHIA Durbanville/Philadelphia 24 14 MEERENDAL LANDGOED Durbanville/Philadelphia 12 34 16 BABYLON WINES – WALKERBAY (64158) Elgin/Walker Bay 27 BARTHO EKSTEEN WINES Elgin/Walker Bay 7 COMPAGNES DRIFT – WALKER BAY Elgin/Walker Bay 18 27 9 HAMILTON RUSSEL – WALKERBAY (65671) Elgin/Walker Bay 3 NEWTON JOHNSON - ELGIN Elgin/Walker Bay 13 BOSCHENDAL WINES Franschhoek 12 FRANSCHHOEK WINGERDE Franschhoek 4 8 GRAHAM BECK (FRANSCHHOEK) Franschhoek 53 5 GRANDE PROVENCE Franschhoek 15 HAUT ESPOIR Franschhoek 16 LA COURONNE Franschhoek 1 LA MOTTE WYNLANDGOED Franschhoek 15 AVONTUUR WINE ESTATE Helderberg 18 DELLRUST WINES Helderberg 5 10 16 EIKENDAL VINEYARDS Helderberg 10 9 11 FLAGSTONE WINERY Helderberg 65 JP BREDELL WYNE Helderberg 18 16 WEDDERVILLE WINES Helderberg 8 12 3 WINECORP (LONGRIDGE) Helderberg BARRYDALE WYNKELDER Little Karoo 10 BOPLAAS Little Karoo 32 12 CALITZDORP WYNKELDER Little Karoo 6 5 CAREL NEL WYNE Little Karoo 49 DE KRANS Little Karoo 10 17 KANGO WINES Little Karoo 8 13 9

This document is confidential and any unauthorised disclosure is prohibited.

Final report 40

Cellar District S. blanc Cab Merlot iBMP Sauv iBMP Average iBMP Average Value Average Value Value MONTAGU KOOP WYNK BPK Little Karoo 7 RIETRIVIER WYNKELDER Little Karoo 4 6 SUID-KAAP WINGERDE (BARRYDALE) Little Karoo 10 SUID-KAAP WINGERDE (LADISMITH) Little Karoo 8 UITVLUCHT WINES Little Karoo 11 6 HARTSWATER WYNKELDER Northern Cape/Free State/North West 10 LANDZICHT WYNE Northern Cape/Free State/North West 1 4 9 OWK KOOP BPK (GROBLERSHOOP) Northern Cape/Free State/North West 2 OWK KOOP BPK (GROOTDRINK) Northern Cape/Free State/North West 2 OWK KOOP BPK (UPINGTON) Northern Cape/Free State/North West 6 KLAWER KOOP WYNKELDER Olifants River 12 13 10 LUTOUW Olifants River 40 LUTZVILLE CAPE DIAMOND VINEYARDS Olifants River 8 20 10 NAMAQUA WINES Olifants River 17 18 STELLAR WINERY – KOEKENAAP Olifants River 1 17 6 TRAWAL WYNKELDER Olifants River 6 18 21 WESTCORP SPRUITDRIFT KOOP WYNK Olifants River 4 9 14 ANURA VINEYARDS PTY LTD Paarl/Wellington 2 5 ASHANTI WINE ESTATE Paarl/Wellington 7 4 AVONDALE VINEYARDS Paarl/Wellington 14 11 BELLINGHAM (DGB) Paarl/Wellington 120 BOLAND KELDER Paarl/Wellington 22 29 16 BOVLEI KOOP WYNMAKERY Paarl/Wellington 6 12 8 DAVID FROST WINES Paarl/Wellington 10 6 DOOLHOF WINERY Paarl/Wellington 5 KLEIN PARYS VINEYARDS(PTY)LTD Paarl/Wellington 6 KWV SA (PTY) LTD Paarl/Wellington 37 17 45 LANDSKROON WYNE Paarl/Wellington 7 8 LEIDERSBURG Paarl/Wellington 5 LONGBARN WINERY Paarl/Wellington 3 NELSON WINE ESTATE Paarl/Wellington 3 NELSON WINE ESTATE Paarl/Wellington 6 12 NIEL JOUBERT WYNE Paarl/Wellington 3 22 21 PERDEBERG WINES (PTY) LTD Paarl/Wellington 33 13 SEIDELBERG WINE ESTATE Paarl/Wellington 2 4 5 SIMONSVLEI INTERNASIONAAL Paarl/Wellington 11 9 14 SMOOK WINES Paarl/Wellington 5 VREDE EN LUST Paarl/Wellington 49

This document is confidential and any unauthorised disclosure is prohibited. Final report 41

Cellar District S. blanc Cab Merlot iBMP Sauv iBMP Average iBMP Average Value Average Value Value WAMAKERSVALLEI WYNKELDER Paarl/Wellington 9 15 31 WELLINGTON KOOP WYNKELDER BPK Paarl/Wellington 7 10 6 WINDMEUL KELDER Paarl/Wellington 18 9 10 APPELSDRIFT PRIVATE KELDER Robertson region 7 ASHTON WYNKELDER Robertson region 5 BON CAP ORGANIESE WYNKELDER Robertson region 3 9 BON COURAGE LANDGOED Robertson region 3 19 BONNIEVALE KELDER Robertson region 19 12 12 BURGERSHOF Robertson region 2 9 8 CLAIRVAUX KELDER Robertson region 5 12 9 CLOVERFIELD PRIVATE CELLAR Robertson region 6 8 DE WETSHOF LANDGOED Robertson region 2 EXCELSIOR LANDGOED Robertson region 5 GOEDVERWACHT LANDGOED Robertson region 7 14 JONKHEER Robertson region 5 14 13 LANGEBERG ASSOCIATED WINERIES Robertson region 1 LANGVERWACHT WYNKELDER Robertson region 3 10 8 LE GRAND CHASSEUR Robertson region 6 8 MCGREGOR KOOP WYNMY BPK Robertson region 5 11 11 MERWESPONT KOOP WYNMAKERY Robertson region 5 7 9 MOOIUITSIG Robertson region 2 6 NORDALE WYNKELDER Robertson region 2 8 RIETVALLEI LANDGOED Robertson region 6 ROBERTSON KOOP WYNMAKERY Robertson region 7 10 ROODEZANDT WINGERDE & WYNE Robertson region 10 13 VAN LOVEREN Robertson region 8 7 5 VAN ZYLSHOF Robertson region 2 VILJOENSDRIFT WINES Robertson region 3 WANDSBECK WYNE Robertson region 8 9 WOLVENDRIFT Robertson region 3 7 CAPE AGULHAS – BERGKELDER (100212) Southern Cape 26 ELIM – FLAGSTONE (100326) Southern Cape 35 ELIM – MODDERVLEI Southern Cape 20 GLENHURST - AGULHAS Southern Cape 8 11 LAND'S END VINEYARDS Southern Cape 12 AMANI VINEYARDS Stellenbosch region 31 16 ASARA WINE ESTATE Stellenbosch region 6 10 43 CLOS MALVERNE Stellenbosch region 5 30 24

This document is confidential and any unauthorised disclosure is prohibited. Final report 42

Cellar District S. blanc Cab Merlot iBMP Sauv iBMP Average iBMP Average Value Average Value Value DE TOREN PRIVATE CELLAR Stellenbosch region 11 DORMERSHIRE WINE ESTATE Stellenbosch region 5 9 GOEDE HOOP LANDGOED Stellenbosch region 9 6 GROENLAND Stellenbosch region 8 18 HARTENBERG ESTATE Stellenbosch region 5 HASKELL VINEYARDS Stellenbosch region 13 HELDERKRUIN WYNKELDER Stellenbosch region 21 HIDDEN VALLEY WINES Stellenbosch region 12 KAAPZICHT LANDGOED Stellenbosch region 15 KLEINE ZALZE WINES Stellenbosch region 44 9 KNORHOEK WINES Stellenbosch region 21 17 19 KOELENHOF WYNKELDER Stellenbosch region 15 21 15 LA ROCHE SA WINE ESTATES (L'AVENIR) Stellenbosch region 15 LAIBACH VINEYARDS Stellenbosch region 14 15 LANZERAC WINES Stellenbosch region 7 MIDDELVLEI ESTATE Stellenbosch region 20 9 MORGENHOF LANDGOED Stellenbosch region 8 MOSTERTSDRIFT Stellenbosch region 12 MURATIE WINE ESTATE Stellenbosch region 10 9 NEETHLINGSHOF ESTATE Stellenbosch region 24 11 12 NIETVOORBIJ WYNKELDER Stellenbosch region 4 5 OMNIA WINES Stellenbosch region 40 PETITE PROVENCE T/A BEAU JOUBERT Stellenbosch region 6 SLALEY CELLARS Stellenbosch region 6 8 SPIER WINES (PTY) LTD Stellenbosch region 63 STELLENBOSCH HILLS Stellenbosch region 12 8 28 UVA MIRA VINEYARDS Stellenbosch region 10 VRIESENHOF VINEYARDS Stellenbosch region 9 25 WINECORP Stellenbosch region 12 8 7 WINECORP (SPIER) Stellenbosch region 19 KLOOVENBURG VINEYARDS Swartland/Darling 5 MEERHOF WYNE Swartland/Darling 6 ORG DE RAC LANDGOED Swartland/Darling 7 PULPIT ROCK WINERY Swartland/Darling 5 RIEBEEK CELLARS Swartland/Darling 64 13 11 SWARTLAND WYNKELDER Swartland/Darling 10 14 11 BIANCO WINES Tulbagh 3 DE HEUVEL ESTATE Tulbagh 3

This document is confidential and any unauthorised disclosure is prohibited. Final report 43

Cellar District S. blanc Cab Merlot iBMP Sauv iBMP Average iBMP Average Value Average Value Value MOUNTAIN RIDGE Tulbagh 9 14 SCHALKENBOSCH WINES Tulbagh 6 TULBAGH WYNKELDER Tulbagh 9 10 6 AAN DE DOORNS KOOP WYNMAKERY BPK Worcester/Breedekloof/Villiersdorp 10 7 10 BADSBERG KOOP WYNKELDER BPK Worcester/Breedekloof/Villiersdorp 12 12 13 BERGSIG LANDGOED Worcester/Breedekloof/Villiersdorp 3 16 BOTHA WYNKELDER Worcester/Breedekloof/Villiersdorp 2 13 6 BRANDVLEI KELDER Worcester/Breedekloof/Villiersdorp 3 8 7 DASCHBOSCH WYNKELDER Worcester/Breedekloof/Villiersdorp 9 7 7 DE WET KOOP WYNK BPK Worcester/Breedekloof/Villiersdorp 5 11 12 DU TOITSKLOOF WYNKELDER Worcester/Breedekloof/Villiersdorp 8 10 9 GOUDINI WINES PTY LTD Worcester/Breedekloof/Villiersdorp 5 9 19 GROOT EILAND WYNKELDER Worcester/Breedekloof/Villiersdorp 6 11 24 JASON'S HILL PRIVATE CELLAR Worcester/Breedekloof/Villiersdorp 6 16 LATEGANSKOP WYNKELDER Worcester/Breedekloof/Villiersdorp 5 10 9 MERWIDA WYNKELDER Worcester/Breedekloof/Villiersdorp 8 9 NUY WYNKELDER Worcester/Breedekloof/Villiersdorp 8 8 9 OPSTAL LANDGOED Worcester/Breedekloof/Villiersdorp 9 8 OVERHEX PRIVATE CELLAR Worcester/Breedekloof/Villiersdorp 22 12 10 ROMANSRIVIER KOOP WYNK BPK Worcester/Breedekloof/Villiersdorp 26 10 ROOIBERG WINERY Worcester/Breedekloof/Villiersdorp 4 6 7 SLANGHOEK KELDER Worcester/Breedekloof/Villiersdorp 12 7 9 STETTYN WYNKELDER Worcester/Breedekloof/Villiersdorp 10 VILLIERSDORP KELDER Worcester/Breedekloof/Villiersdorp 17 8 12

This document is confidential and any unauthorised disclosure is prohibited. Final report 44

This document is confidential and any unauthorised disclosure is prohibited. Industry allocated project number

Table 5 : Explanation of 450 hourly temperature summations for each locality.

Temperature sumation Month(s) in growing season A. Degreehours at a temperature of (°C) B. Degreehours with a periode of equal or more than three hours at a temperature of (°C)

Aug <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Dec <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov+Dec <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Dec+Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov+Dec <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov+Dec+Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Dec+Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35

This document is confidential and any unauthorised disclosure is prohibited.

Final report 46

Table 5 : Explanation of 450 hourly temperature summations for each locality.

Temperature sumation Month(s) in growing season A. Degreehours at a temperature of (°C) B. Degreehours with a periode of equal or more than three hours at a temperature of (°C)

Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov+Dec <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov+Dec+Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov+Dec+Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Dec+Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov+Dec <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov+Dec+Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov+Dec+Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov+Dec+Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Dec+Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov+Dec+Jan <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov+Dec+Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov+Dec+Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Nov+Dec+Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov+Dec+Jan+Feb <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov+Dec+Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Oct+Nov+Dec+Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov+Dec+Jan+Feb+Mar <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Sep+Oct+Nov+Dec+Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 Aug+Sep+Oct+Nov+Dec+Jan+Feb+Mar+Apr <10 <12 <14 <16 <18 <20 >20 >25 >30 >35 <10 <12 <14 <16 <18 <20 >20 >25 >30 >35

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Table 6a : Correlation matrix summary of the Sauvignon blanc Principal Component Analysis (PCA) of the aroma variables and climatic parameters.

Aroma variables Correlation matrix (Pearson (n)): Positive Negative Grass 1 (*) Low T during early season (***) High T during early season Grass 2 (**) Low T during early season High T during early season Fresh vegetative Low T during early season High T during early season Cooked vegetative - - Dried vegetative - Low T during autum Spicy - Low T during autum Caramel High T during early season Low T early season Tropical fruit - - Other Medium lower T until veriason Medium higher T until veriason Acidity Low T until veriason High T until veriason Fullness - - Astringency - - Overall quality - - Aroma intensity - - * Grass 1 = Fresh vegetative + Cooked vegative + Dried vegetative ** Grass 2 = 3xFresh vegetative + 2xCooked vegative + Dried vegetative *** T = Temperature

Table 6b : Correlation matrix summary of the Cabernet Sauvignon Principal Component Analysis (PCA) of the aroma variables and climatic parameters. Aroma variables Correlation matrix (Pearson (n)): Positive Negative Colour - - Vegetative - Low T during ripening Berry - - Nutty High T during ripening Low T during ripening Spicy High T during veriason High T during ripening Floral High T during veriason Low T during veriason Woody Low T during veriason High T during veriason Other Low T during flowering High T until veriason Acidity Low T during veriason High T during ripening Fullness - - Astringency - High T during ripening Aroma intencity Low T until veriason Low T after veriason Over all Qaulity - Low T during ripening * T = Temperature

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Final report 48

Table 6c : Correlation matrix summary of the Chardonnay Principal Component Analysis (PCA) of the aroma variables and climatic parameters.

Aroma variables Correlation matrix (Pearson (n)): Positive Negative Caramel - - Citrus - - Tree fruit High T during veriason Low T during veriason Tropical fruit - - Floral Low T veriason - Dried fruit High T during ripening - Other - - Acidity Low T until veriason High T until veriason Fullness - - * T = Temperature

Table 6d : Correlation matrix summary of the Merlot Principal Component Analysis (PCA) of the aroma variables and climatic parameters. Aroma variables Correlation matrix (Pearson (n)): Positive Negative Aroma intensity Low T growing season (*) Low T ripening period Spicy High T ripening periode High T until veriason Acidity Low T earley season High T growing season Fullness High T ripening periode Low T early season Overall quality High T ripening periode Low T ripening periode Vegetative High T ripening periode Low T ripening periode Berry High T ripening periode Low T early season Astringency - - Colour - - * T = Temperature

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This document is confidential and any unauthorised disclosure is prohibited.