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Assessing and managing disease-affected fruit in the vineyard: the Australian experience


Evans, KJ, Assessing and managing disease-affected fruit in the vineyard: the Australian experience, Proceedings ASVO Seminar - Making the Best Out of Difficult Vintages: Managing Sub-optimal Fruit in the Winery, 22 November 2011, Adelaide, South Australia, pp. 11-19. ISBN 0 9775256 9 4 (2013) [Non Refereed Conference Paper]

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The unusually wet season across south-eastern Australia in 2010–2011 saw grapegrowers exhausted after endless hours of spraying, often in vain, to control the dreaded trifecta of downy mildew, powdery mildew and botrytis bunch rot (botrytis). Mildew infection during flowering and fruit set damaged grape berries providing infection sites for the opportunistic ‘wound’ fungi that cause bunch rot. However, the interaction between the diseases was not always detrimental. There were reports that defoliation caused by downy mildew increased air circulation in the canopy which, in turn, reduced the severity of bunch rot. Nevertheless, the pressure on vineyard managers to act in controlling these diseases was relentless, even when certain actions, with hindsight, proved fruitless.

Item Details

Item Type:Non Refereed Conference Paper
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Horticultural production
Research Field:Oenology and viticulture
Objective Division:Plant Production and Plant Primary Products
Objective Group:Industrial crops
Objective Field:Wine grapes
UTAS Author:Evans, KJ (Professor Katherine Evans)
ID Code:84288
Year Published:2013
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2013-05-03
Last Modified:2013-05-03

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