Winegrape growers are closer to protecting high-value vines against the trunk disease Eutypa with a registered fungicide that can be applied to pruning wounds with a vineyard sprayer.
A three-year research project on managing Eutypa dieback has identified effective new pruning-wound treatments including the grapevine fungicide Emblem (fluazinam) at rates registered for protectant pre-budburst control of phomopsis.
The collaborative research was conducted by the South Australian Research and Development Institute (SARDI), the University of Adelaide and the Grape and Wine Research and Development Corporation (GWRDC).
Based on this research, Crop Care has made a submission to the Australian Pesticide and Veterinary Medicine Authority (APVMA) to register Emblem for Eutypa control.
SARDI science leader Dr Mark Sosnowski said having registered Eutypa fungicides that can be applied with a sprayer would be an important step in the bid to save Australia’s premium quality vines from devastation by trunk disease.
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