Grapevine management guide 2020 –21 NSW DPI MANAGEMENT GUIDE Compiled by Darren Fahey www.dpi.nsw.gov.au WE’VE GOT YOUR VINES COVERED TRIBASIC LIQUID BORDEAUX WG Protectant Fungicide/Bactericide Protectant Fungicide/Bactericide TRIBASIC LIQUID 190g/L COPPER (Cu) present as BORDEAUX WG 200g/kg COPPER (Cu) present as Tri-basic copper sulphate Tri-basic copper sulphate • Control of Downy mildew • Control of Downy mildew • An SC (Suspension concentrate) liquid formulation of • Dry-Flowable granule for ease of mixing and Tribasic Copper Sulphate minimal dust • Superior mixing • Superior weathering and sticking properties • Available in 20L, 200L and 800L packs • Available in 15kg bags MYCLONIL WG DINON 700WG Systemic fungicide with Protective Protectant fungicide with some MYCLONIL WG and Curative action DINON 700 WG curative action 400 g/kg MYCLOBUTANIL 700 g/kg DITHIANON • Control of Powdery mildew • Control of Downy mildew, Black spot, Phomopsis cane and Leaf blight • Unique wettable granule (WG) formulation • Multisite mode of action for disease resistance • IPM compatible – low bee and beneficial insect toxicity • Dry-Flowable granule for easy of mixing • Low hazard to the handler/operator and minimal dust • Robust packaging and easy-to-pour jug • Low hazard to predatory mites • Available in handy 1kg bucket • Low toxicity to bees at > 0.1mg/bee (contact) • Available in 2.5kg packs PEARL PEREGRINE Systemic fungicide with Contact and residual Insecticide Protective and Curative action 240g/L Methoxyfenozide 200g/L PENCONAZOLE the form of an oil in water emulsion • Control of Powdery mildew • Control of Light Brown Apple Moth (LBAM) • Advanced 200G/L formulation of Penconazole as an • Suspension Concentrate oil in water emulsion (EW) • IPM compatible • Twice the active content per litre of other formulations • Controls both eggs and early instar larvae • Available in 1L and 5L packs • Available in 5L and 10L packs [email protected] grochem.com | for all enquiries 1800 777 068 *Always read product labels and permits before use. Grapevine management guide 2020 –21 Darren Fahey Development Officer – Viticulture Department of Primary Industries Orange Agricultural Institute 1447 Forest Road Orange NSW 2800 M: 0457 842 874 E: [email protected] W: www.dpi.nsw.gov.au © State of New South Wales through Regional NSW 2020. Permits ISSN 1036-7551 (Print) Some of the chemical use patterns quoted in this ISSN 2209-7503 (Online) publication are approved under permits issued by Job#: 15175 the Australian Pesticides and Veterinary Medicines You may copy, distribute, display, download Authority (APVMA) and in force at the time the and otherwise freely deal with this publication publication was prepared. Persons wishing to use a for any purpose, provided that you attribute the chemical in a manner approved under permit should NSW Department of Primary Industries as the owner. obtain a copy of the relevant permit and approved However, you must obtain permission if you wish to: use pattern from the supplier of the product at point of sale and must read all the details, conditions and • charge others for access to the publication (other limitations relevant to that permit, and must comply than at cost) with the details, conditions and limitations prior to • include the publication advertising or a product and during use. for sale Acknowledgements • modify the publication We would like to acknowledge the valuable • republish the publication on a website. contributions made by many members of the Australian wine industry in the preparation of this You may freely link to the publication on a publication. Particular thanks to staff from NSW departmental website. Department of Primary Industries, Charles Sturt Disclaimer University, National Wine and Grape Industry Centre, The information contained in this publication is based Australian Wine Research Institute, State Vine on knowledge and understanding at the time of Improvement Groups, Riverina Wine Grapes Marketing writing (July 2020). However, because of advances in Board, Murray Valley Wine Grape Growers Inc., Grape knowledge, users are reminded of the need to ensure and Wine Research and Development Corporation, that the information upon which they rely is up to date NSW Wine Industry Association, South Australian and to check the currency of the information with the Research and Development Institute, VineHealth appropriate officer of NSW Department of Primary Australia and Wine Australia. Industries, or the user’s independent advisor. Image acknowledgements The product trade names in this publication are Unless otherwise stated, the images in this guide have supplied on the understanding that no preference been sourced from the NSW Department of Primary between equivalent products is intended and that Industries. the inclusion of a product name does not imply Cover photo endorsement by the department over any equivalent product from another manufacturer. Shiraz grapes from Rosnay Wines, Canowindra, looking at fruit quality after installing a sub-surface irrigation Recognising that some of the information in this (page 46). Photo: Darren Fahey. document is provided by third parties, the State of New South Wales, the author and the publisher take Printing no responsibility for the accuracy, currency, reliability DPI are pleased to support regional business and the and correctness of any information included in the environment in the publication of this guide. document provided by third parties. Supplied by GK Craig Printing, Orange NSW Always read the label www.gkcraig.com.au. Printed on FSC accredited paper sourced from farmed trees/plantation grown pulp. Users of agricultural chemical products must always read the label and any permit before using the product, Advertising and strictly comply with the directions on the label and If you wish to advertise within this guide and expose the conditions of any permit. Users are not absolved your product or service to viticulturists before and from any compliance with the directions on the label or during the vineyard growing season, please contact Dr the conditions of the permit by reason of any statement Amanda Warren-Smith at amanda.warren-smith@dpi. made or omitted to be made in this publication. nsw.gov.au or phone 02 6391 3953. ii | Compiled by Darren Fahey – NSW DPI Development Officer – Viticulture Contents 1 Introduction 16 The effects of Aspergillus rot on grapes 3 Current NWGIC research and wine: fumonisin production by A. niger and A. welwitschiae associated 3 Determining thresholds for bunch with Australian wine grapes rot tolerance in wine and detecting unwanted fungal aromas 20 Biological control of grapevine trunk diseases using bacterial 3 Rapid pre-harvest grape assessment endophytes from grapevines to quantify fungal biomarkers 21 Entomopathogenic fungi as 4 Producing volatile organic compounds with biocontrol properties by potential biocontrol agents of grapevine phylloxera Aureobasidium pullulans 4 Grapevine trunk disease 24 Vineyard management research management for vineyard longevity 24 Early leaf removal helps in diverse climates of Australia reduce grape sunburn 4 Evaluating and demonstrating new 25 Australian Wine Research Institute disease-resistant red and white Advanced Viticulture Course grapevine selections in cool and warm wine regions in NSW 28 Biodiversity planting trials 5 Vineyard water balance and 34 Protecting your investment with netting drought resilience – a pilot study 40 Sap flow sensors and managing in the Orange wine region grapevine irrigation 6 Vine nutrition 46 ‘Going in and under’ – a case 6 Vascular transport in the grape berry study in applying irrigation differently to control weeds 6 The link between cell vitality and potassium in grape berries 50 'Exercise Sour Grapes' harvests sweet collaboration 7 Assessing bushfire smoke exposure levels on grape and wine composition 51 Undervine cover crop case study 7 Managing wine pH in a changing climate 52 Nutrition research 8 The effect of metal speciation 52 Correct petiole sampling for on wine development, shelf- accurate vine nutrient analyses life and sensory properties 53 How rootstock influences 8 Benchmarking regional and subregional grape potassium influences on Shiraz fine wines 54 Smartphone app to assess 9 Defining regional sensory variability grapevine nutrient disorders of premium Shiraz wines Contents 56 Wine research 10 Wealth of experience and familiar faces at the NWGIC 56 Effects of viticultural conditions and juice composition on oxidative and 11 Disease research reductive wine development 11 Comparison of Botrytis infection 58 It’s easy to waste money on waste! quantification methods using laboratory-infected Cabernet 60 Effect of high and extremely Sauvignon grape bunches high temperatures on berry tannin composition in Shiraz 14 Phytotoxins produced by the Botryosphaeriaceae and their role 62 NSW DPI Agriculture – Horticulture in grapevine trunk diseases Leaders and Development Officers GRAPEVINE MANAGEMENT GUIDE 2020–21 | III The National Wine and Grape Industry Centre is The National Wine and Grape Industry Centre an alliance between NSW Department of Primary delivers high-value research, education, training Industries, the NSW Wine Industry Association and extension to the Australian Wine Industry. and Charles Sturt University. ers tn ts ar u P tp u The NSW Wine O Industry Association represents the interests RESEARCH of the wine industry in New South Wales EXTENSION Leading provider of information for the agricultural