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Fungicide resistance in Australian viticulture
Botrytis bunch rot (Botrytis cinerea), powdery mildew (Erysiphe necator) and downy mildew (Plasmopara viticola) cause significant economic impact in vineyards and management of these diseases can be compromised by resistance to fungicides. Laboratory and field resistance to key fungicides has been detected in all three pathogens in many Australian viticultural regions. Early detection of resistance is critical for effective management of this problem. Laboratory based phenotype and genotype diagnostic techniques have been developed to determine resistance. The results are being used to progress to real-time, in-field detection as well as high-throughput laboratory testing of resistance for several fungicide groups with known resistance mechanisms. This webinar will provide an update on 1. resistance detection and monitoring research, 2. sensitivity of existing and new fungicides across viticultural regions, and 3. the optimisation of in-field sampling methods.

Jan 20, 2022 11:30 AM in Adelaide

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Speakers

Dr Mark Sosnowski
@SARDI
Dr Mark Sosnowski leads the Horticulture Pathology sub-program at the South Australian Research and Development Institute and is an Affiliate Senior Lecturer at the University of Adelaide. Over the past 19 years, he has been responsible for research on managing Eutypa and Botryosphaeria dieback diseases in grapevines and almonds, in both Australia and New Zealand. He is the Australasian regional representative on the International Council for Grapevine Trunk Diseases and was the chair from 2014 to 2017. Dr Sosnowski draws from his extensive international experience and collaboration to provide industry with the latest information for effective management of grapevine diseases.
Dr Suzanne McKay
@SARDI
Dr Suzanne McKay is a Plant Pathologist with more than 20 years of experience. Following completion of her PhD at the University of Adelaide, she has worked at the South Australian Research and Development Institute (SARDI) and the University of Adelaide on a variety of plant-pathogen systems including foliar and root diseases of lucerne, pulses, almonds and Australian natives. She is currently working at SARDI on the Wine Australia-funded project ‘Fungicide resistance in viticulture’, with particular expertise in powdery mildew.
Dr Ismail Ismail
@SARDI
Dr Ismail Ismail has a Bachelor of Agriculture Science in Plant Protection and a PhD in Plant Pathology from the University of Adelaide. He has 20 years of experience in plant pathology at various organisations and is currently Principal Investigator on fungicide resistance research based at SARDI in the Horticulture Pathology group, funded by Wine Australia.
Lincoln Harper
@Curtin University
Lincoln Harper is currently based at the Centre for Crop and Disease Management, Curtin University, Perth, Western Australia. Since 2013, he has been involved in the grapevine fungicide resistance project funded by Wine Australia. In the project, his primary focus is investigating fungicide resistance in Botrytis cinerea.