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Plasmopara Viticola Berkeley Et Curtis)
441 Bulgarian Journal of Agricultural Science, 26 (No 2) 2020, 441–444 Resistance of hybrid wine grape breeding forms to downy mildew (Plasmopara viticola Berkeley et Curtis) Iliana Ivanova*, Ralitsa Mincheva, Galina Dyakova, Gergana Ivanova-Kovacheva Institute of Agriculture and Seed Science “Obraztsov Chiflik” – Rousse, Rousse 7007, Bulgaria *Corresponding author: [email protected] Abstract Ivanova, I., Mincheva, R., Dyakova, G., & Ivanova-Kovacheva, G. (2020). Resistance of hybrid wine grape breed- ing forms to downy mildew (Plasmopara viticola Berkeley et Curtis). Bulg. J. of Agric. Sci., 26(2), 441–444 In the period 2014-2016, at the experimental vineyard of the Institute of Agriculture and Seed Science “Obraztsov Chiflik” – Rousse, the resistance of hybrid wine grape breeding forms to downy mildew with causative agent Plasmopara viticola (Berkeley et Curtis) oomycetes fungus was studied. Objects of the study were the hybrids: 25/12 (Pamid Rousse 1 × Kaylash- ki Misket), 5/51 (Naslada × Chardonnay) and 5/83 (Naslada x Chardonnay). Misket Otonel cultivar was chosen as control. The aim was the reaction of hybrid wine breeding forms of vine to downy mildew caused by Plasmopara viticola (Berkeley et Curtis) to be determined. The phytopathological assessment of the attack of Plasmopara viticola on leaves was carried out according to the OIV 452 scale, and on berries and clusters – according to the OIV 453 scale, where the resistance was represented in 5 grades 1-3-5-7-9, as 1 was maximum resistance. The following traits were registered: index of attack (%), correlation coefficient between disease progression and yield obtained, weight of cluster (kg), maturation period, sugar content (%), acid content (g/l). -
Strategic Development of Varietal Vineyards in the Czech Republic
ACTA UNIVERSITATIS AGRICULTURAE ET SILVICULTURAE MENDELIANAE BRUNENSIS Volume LX 43 Number 2, 2012 STRATEGIC DEVELOPMENT OF VARIETAL VINEYARDS IN THE CZECH REPUBLIC J. Sedlo, P. Tomšík Received: November 30, 2011 Abstract SEDLO, J., TOMŠÍK, P.: Strategic development of varietal vineyards in the Czech Republic. Acta univ. agric. et silvic. Mendel. Brun., 2012, LX, No. 2, pp. 325–334 The paper describes strategic changes in the structure of grapevine (Vitis vinifera L.) varieties grown in the Czech Republic. In 2004–2005, (i.e. a er the admission of the Czech Republic into the EU) expenditures associated with restructuralisation and transformation of vineyards amounted for CZK 25,423 thous. The authors examine the development taking place in this domain within the last 50 years (i.e. from 1960 to 2010) and pay detailed attention to the period of 1989 to 2010. The paper analyses reasons of these changes and tries to describe the future development expected a er 2010. The current production potential of the Czech Republic are 19,633.45 hectares of vineyards. For the time being, there are in average 1.07 wine growers per hectare of vineyards. As compared with 1960, the acreage of vineyards has doubled up and the number of the most frequent varieties has also increased. Within the period of 1989–1990, four varieties (i.e. Müller Thurgau, Green Veltliner, Italian Riesling and Sankt Laurent) occupied more than 60 % of the total vineyards area in the Czech Republic, whereas at present there are altogether 8 varieties (Müller Thurgau, Green Veltliner, Italian Riesling, Rhein Riesling, Sauvignon, Sankt Laurent, Blaufrankish, and Zweigeltrebe) at the nearly the same acreage. -
45. REASONS for WINE TOURISM in BULGARIA M. Pereviazko, K.O
45. REASONS FOR WINE TOURISM IN BULGARIA M. Pereviazko, K.O. Veres National University of Food Technologies Wine tourism industry in Western Europe, especially in France and Italy are much more developed than in Bulgaria. But this is not due to the quality of drinks. Geographically, Bulgaria is located in the same climate zone as Spain, France and Italy - the major wine regions of the world. Just like these countries, It is considered one of the centers of cultivation of grapes. Scientists believe that the Thracians in the territory of modern Bulgaria made first wine in Europe. Eater the Greeks to find out from the Thracians secret receipt of grapes divine drink and arrogated to themselves the right of the pioneers of winemaking. Why do people prefer wine tourism not just drink wine at home what bought in the store? First of all, people should be remembered that wine, as opposed to people do not like to travel. As experts consider, in a way it can "get sick." So before the 93 entertain friends by wine from faraway countries, give him a chance to "rest" at least a week. The beauty of wine tourism is not sightseeing. Meeting people who produce this drink it is remains in the memory. Real manufacturer is in love with his work, and talk with them is very interesting. Some aesthetes prefer to stay in the castles of winemakers, to communicate with these eminent people. Observation of the production of wine can cause at least surprising in an untrained person. Guests can still see how the grapes are crushed underfoot in small wineries in Bulgaria. -
Bulgaria's Evolving Wine Market Presents New Opportunities Bulgaria
THIS REPORT CONTAINS ASSESSMENTS OF COMMODITY AND TRADE ISSUES MADE BY USDA STAFF AND NOT NECESSARILY STATEMENTS OF OFFICIAL U.S. GOVERNMENT POLICY Voluntary - Public Date: 1/19/2018 GAIN Report Number: BU1810 Bulgaria Post: Sofia Bulgaria’s Evolving Wine Market Presents New Opportunities Report Categories: Wine Approved By: Jonn Slette Prepared By: Mila Boshnakova Report Highlights: Post forecasts Bulgaria’s 2017 grape crop at 250,000 metric tons (MT), most of which will be used to produce about 140 million liters of commercial wine. The Bulgarian wine sector continues to evolve, driven by investments in the sector, increasing disposable incomes, tourism, and thriving retail and hotel, restaurant, and catering (HORECA) sectors. Wine consumption increased in 2016 and consumer trends point to a growing preference for higher- quality wines. January-October 2017 data indicate a 24-percent increase in wine imports by volume and 21 percent by value. Poland, Sweden, China, and Russia were the top export markets for Bulgarian wine (value terms) in 2016 and in 2017. General Information: PRODUCTION FAS Sofia estimates that Bulgaria’s 2017 grape harvest will reach 250,000 MT, of which about 210,000 MT will be processed into 140 million liters of commercial wine. Other estimates predict that grape production will reach 350,000 MT and 150 million liters of commercial wine. At the end of November 2017 (source: Ministry of Agriculture (MinAg) Weekly Bulletin #49), harvest reports estimated 47,800 hectares (HA) yielded 238,000 MT of grapes, with an average yield of about 5.0 MT/HA. Weather during the year was mixed. -
PRIMARY AROMATIC CHARACTER of WINES — Review —
PRIMARY AROMATIC CHARACTER OF WINES — review — Ecaterina LENGYEL 1 Faculty of Agricultural Sciences, Food Industry and Environmental Protection, “Lucian Blaga” University of Sibiu, Abstract: In this paper the current understanding of the accumulation of the flawours in grapes, mosts and wines is reviewed. The primary flavours are generally constituted by the terpenes and terpenoids, norisoprenoids, benzol derivatives, aliphatic and glycosidic substances, carotene substances. Keywords : primary varietal flavour, grape, wines, musts INTRODUCTION The primary varietal flavours accumulate in the peel and grape through the specific metabolism processes, being determined by the genetic nature of the varieties, by the specific pedological and climatic factors (Ti ța, 2004) (Pop, 2008). They can pass unmodified from grape to wine, in the case of the Muscat wine, or by changing chemical form (from bonded to free), especially in the case of semi aromatic and red wine varieties. The terpenoides represent the main odour substances class of Vitis vinifera grapes. They are especially responsible for the characteristic flavour of grapes, musts and Muscat wines, but they can also be found in the semi flavoured varieties (in small quantities, sometimes even below the olfactory perception capacity). The terpenoides can be classified in isoprenoids and norisoprenoids. The isoprenoids class contains the terpenes and the terpenes compounds. The isoprenoids have methyl-butadiene at their basis, being able to generate monoterpenes, diterpenes, triterpenes, caroterpenoids, etc. They contain the polymers of the isoprenoids, and the terepenes and terpenes compounds are a part of them. 1 Corresponding author. Mailing address: University “Lucian Blaga” of Sibiu, Faculty of Agricultural Sciences, Food Industry and Environmental Protection, Str. -
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INFLUENCE OF MACERATION AND ADDED FLAVOR – RELEASING ENZYME ON THE AROMATIC COMPOSITION OF WHITE WINES Dimitar Dimitrov*, Tatyana Yoncheva, Vanyo Haygarov Address(es): Institute of Viticulture and Enology, Department of Enology and Chemistry, 1 Kala Tepe str., 5800, Pleven, Bulgaria, phone number: +359 885 54 02 45. *Corresponding author: [email protected] doi: 10.15414/jmbfs.2017/18.7.3.248-253 ARTICLE INFO ABSTRACT Received 24. 5. 2017 Study on the impact of maceration and maceration with the addition of flavor-releasing enzyme on the aromatic composition of white Revised 24. 6. 2017 wines from grapes grown in Central Northern Bulgaria was conducted. White wines from varieties Dimyat, Vrachanski Muscat, Aligote, Accepted 3. 10. 2017 Muscat Ottonel and Plevenska Rosa were examined. The research was performed at the Institute of Viticulture and Enology, Pleven, Published 1. 12. 2017 Bulgaria in the period 2015 – 2016 year. In the tested wines were identified twenty four volatile compounds related to the basic aromatic groups – esters, higher alcohols, terpenes. Presence of acetaldehyde and methyl alcohol was found. The study demonstrated the following trend: the use of oenological practices - maceration and maceration with the addition of flavor-releasing enzyme have a Regular article positive influence on the aromatic composition of wines, increasing the total content of esters, higher alcohols, and terpenes. The amount of methyl alcohol established in part of the wines was within the range 0.007 - 0.030% of the total alcohol content, typical characteristics for white wines composition. The established content of acetaldehyde in the wines (53.80 - 191.00 mg/dm3) was three times lower than the maximum limit. -
Ohio Grape-Wine Short Course
Ohio Grape-Wine Short Course 1992 Proceedings Horticulture Department Series 630 '5 I The Ohio State University Ohio Agricultural Research and Development Center Wooster, Ohio S2._ This page intentionally blank. PREFACE Approximately 150 persons attended the 1991 Ohio Grape-Wine Short course, which was held at the Radisson Hotel in Columbus on February 23-25. Those attending were from 9 states, not including Ohio, and represented many areas of the grape and wine industry. This course was sponsored by the Department of Horticulture, The Ohio State University, Ohio Agricultural Research and Development Center, Ohio Cooperative Extension Service, Ohio Wine Producers Association and Ohio Grape Industries Committee. All publications of the Ohio Agricultural Research and Development Center are available to all potential clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, sex, age, handicap, or Vietnam-era veteran status. 10/91-500 TABLE OF CONTENTS Page Cultivar Characteristics of Ohio Vinifera Grapes by G.A. Cahoon, D.M. Scurlock, G.R. Johns, and T.A. Koch 1 Managing Vinifera Varieties for Improved Fruit Quality by David V. Peterson . 9 Wine Characteristics of Some Newer Varietals in Ohio by Roland Riesen . 16 A Little Wine Knowledge Goes a Long Way by Murli Dharmadhikari ....................................... 20 Growing Vinifera in Northeast Ohio by Arnu 1f Esterer . 32 Trends in Wine Grape Production in the Finger Lakes Region by David V. Peterson . 44 Take Another Look at Juice Clarification by J.F. Gallander, R. Riesen and J.F. Stetson ................ 51 Small Things Can Mean A Lot: ML Strains for Wines by Roland Riesen . -
2014 Seven (White Blend)
2014 SEVEN (WHITE BLEND) Tasting Notes: A refreshing and complex wine that appeals to all. Aromas of lemongrass, melon and pear lead into a velvety mid palate that is lightly sweetened. This is offset by juicy acidity which leads into a lingering finish with notes of pineapple. Winemaking Notes: This wine is made from a blend of seven white grapes. In order to help preserve the individual characteristics of those grapes each piece of the wine is fermented separately to be made into a single varietal then a portion of each of those wines is used to make this wine. Blending trials generally last for six to eight weeks while we create the best wine possible balancing not only the characteristics of each varietal, not letting any one grape dominate, but also balancing the acidity and sweetness so the wine remains refreshing while appealing to a variety of palates. This year was fun to blend as for the first time all seven grapes came from our estate vineyard. BeckenRidge vineyard is also represented in the Riesling, Gewürztraminer and Pinot gris. The seven grapes in order of most to least are: Müller Thurgau, Pinot gris, Riesling, Gewürztraminer, Chardonnay, Pinot blanc, Muscat Ottonel. Harvest Notes: The 2014 growing season is the warmest on record for the Willamette Valley. Our cooler estate vineyard on the edge of the Oregon Coast Range welcomed the few extra degrees of heat like a light summer blanket rather than a blistering heat wave at the end of the season. The extra warmth led to early sugar accumulation and then, fortunately, we received a small amount of rain prior to harvest. -
Their Characteristics and Suitability for Production in Washington
PES Their Characteristics and Suitability for Production in Washington EB 635 January 1972 Cooperative Extension Service College of Agriculture Washington State University Pullman Contents Kinds of grapes 3 The American-type grape 3 The European-type grape 4 Hybrids-French and American 5 General response to environment 5 Winter injury 5 Influence of length of growing season on selection of grapes 6 Heat units during the growing season 6 Influence of soils on grape production 7 Precipitation, diseases, and soil moisture 7 Selecting grape varieties and vineyard locations 8 Summary 12 Tables 1. California grape classification system 7 2. Desirability of soils for various types of grapes 7 3. Relationship between length of growing season and performance of grapes 8 4. Accumulated heat units at various locations in south central Washington 10 5. Grouping of grapes by vigor and maturity 11 6. Classification of potential sites for grape production in central Washington 11 Figures 1. Mean length of growing season, mean number of frost-free days 9 2. Mean number of days over 28 degrees 9 3. Approximate relationship between heat units and number of frost-free days 10 2 Grapes-Their Characteristics and Suitability for Production in Washington By Ronald B. Tukey and Walter J. Clore* There is renewed interest in producing grapes wilds which are now referred to as the "American in the state of Washington. Although grapes type" grape. Most have a strong "foxy" flavor have been grown in commercial quantities for a and aroma, a tender flesh, and "slip skin." Con hundred years, problems in developing markets cord is the best known and most widely cultivated have always limited expansion of the industry. -
Wine Annual Report and Statistics 2014 Wine Annual EU-28
THIS REPORT CONTAINS ASSESSMENTS OF COMMODITY AND TRADE ISSUES MADE BY USDA STAFF AND NOT NECESSARILY STATEMENTS OF OFFICIAL U.S. GOVERNMENT POLICY Required Report - public distribution Date: 2/20/2014 GAIN Report Number: IT1414 EU-28 Wine Annual Wine Annual Report and Statistics 2014 Approved By: Christine Sloop Prepared By: Ornella Bettini Report Highlights: CY 2013 EU-28 wine production is still preliminarily estimated at 167 Million Hectoliters (Mhl), 18.7 percent up from the previous year as notable increases occurred in Spain (+43 percent), Italy (+12 percent), and Portugal (+10 percent) thanks to ideal weather conditions that allowed for extended hang time and flavor development. Significant increases were also registered in France (+ 8.6 percent), Romania (+32 percent), Greece (+17.5 percent), Croatia (+10 percent), Hungary (+9 percent), and Austria (+5 percent). Only Germany's production is estimated to decrease by 6 percent from the previous year as a result of unfavorable weather conditions during flowering. The EU-28 is expected to remain the world’s leading wine exporter and importer in 2013, exporting 18.8 Mhl valued at $10.9 billion, while importing 13.4 Mhl valued at $3 billion. The United States is expected to remain the leading export market for the EU-28 as a whole. This report presents the outlook for wine production, trade, consumption, and stocks for the EU-28. Unless stated otherwise, data in this report are based on the views of Foreign Agricultural Service analysts in the EU-28 and are not official USDA data. This report would not have been possible without the valuable contributions from the following Foreign Service analysts: Karin Bendz/U.S. -
Research on Wine Producers in North Central Region of Bulgaria
Trakia Journal of Sciences, Vol. 18, Suppl. 1, pp 543-548, 2020 Copyright © 2020 Trakia University Available online at: http://www.uni-sz.bg ISSN 1313-3551 (online) doi:10.15547/tjs.2020.s.01.087 RESEARCH ON WINE PRODUCERS IN NORTH CENTRAL REGION OF BULGARIA I. Georgiev1*, P. Midova2 1Shato Danubia AD, Russe, Bulgaria 2Department of Commerce, Faculty of Industry and Commerce, D. A. Tsenov Academy of Economics, Svishtov, Bulgaria ABSTRACT Viticulture is one of the priorities of European agricultural policy. The sale of wine is successful when the product offered is competitive in the relevant market. The qualities of wine as a specific product are determined by the following factors - grape variety, wine taste, ecology of the region, wine production technology, etc. In this sense, Bulgaria has all the prerequisites for being among the leading wine producers in Europe and in the world. Our country has a tradition in the vine and wine sectors, in which funds continue to be invested. This is the main reason for the study to be focused on the wine market. The main objective of the scientific research paper is to outline the role of wine production in Bulgaria and to study sales in one of the wine regions - North Central. The subject of the study is the producers from the wine-growing region, members of the National Vine and Wine Chamber. In this regard, the survey was conducted in four of the seven companies, namely: Vinal AD., Lovech; Winery Pleven EAD, Pleven; Winery Svishtov AD., Svishtov and Loviko Lozari, Suhindol. The object of the study is the market indicators of the wine producers in the selected region. -
Economic Characteristics of Some Newly-Selected Wine Varieties and Vine Clones in Bulgaria
Turkish Journal of Agricultural and Natural Sciences Special Issue: 1, 2014 TÜRK TURKISH TARIM ve DOĞA BİLİMLERİ JOURNAL of AGRICULTURAL DERGİSİ and NATURAL SCIENCES www.turkjans.com Economic Characteristics of Some Newly-Selected Wine Varieties and Vine Clones in Bulgaria Miroslav IVANOV, Zdravko NAKOV, Iliyan SIMEONOV, Tatyana YONCHEVA Institute of Viticulture and Enology, 5800 Pleven, Bulgaria, 1 “Kala tepe” str. Corresponding author: [email protected] Abstract During the period 1994-2008, in the Institute of Viticulture and Enology - Pleven, a comparative study of the economic characteristics of newly-selected in Bulgaria wine varieties and vine clones was carried out. It was found that according to the mechanical analysis of the grapes of the studied interspecific varieties, they were typically wine with specific characteristics of the clusters and berries suitable for the production of quality red and white wines. These varieties had high fertility rate and productivity, increased resistance to biotic and abiotic stress and were suitable to be grown on different training systems in all viticultural regions of Bulgaria. The analyzed data of many years from the grapes physico-chemical analysis of the studied clones of wine varieties showed that they were superior compared to the population of the respective variety mainly in the cluster size and mass and not so much in the berry size. The clones had a more intense rate of sugars accumulation in the grapes, while maintaining a good level of titratable acidity. The wine quality produced from the clones was better in comparison to wine from the population of the respective varieties. Key words: vine, wine variety, clone, economic characteristics Introduction accumulation over time of the genetic mutations in Grapes and wine quality are directly their genotypes, thus populations are a set of dependent on the variety and its morphological, variations with positive and negative qualities agro-biological and technological characteristics.