Samples wanted for fungicide resistance testing

Are you experiencing problems controlling powdery mildew, downy mildew or Botrytis bunch rot? Samples of these diseases are needed from the main wine regions of Australia. A project, funded by GWRDC, to investigate the extent of resistance of fungicides to these three diseases is underway. To improve knowledge of resistance development, access to details of spray programs in the sample area will also be required. Confidentiality of information will be maintained at all times and growers will not be identified individually. However the data collected with and from the samples and spray information will be used to inform the industry of issues and to develop improved management strategies.

Results from growers samples will be provided once all the testing has been completed. As this is research, the turn-around time of results cannot be guaranteed. Interpretation of results will not be provided until the research is complete and have been related to the levels of resistance detected with potential control failure.

Before sending samples to the laboratory, growers should notify the contact person listed below by phone or email. They will be able to answer any queries about sample handling for particular diseases and can provide sample kits if required.

Downy Mildew: Sandra Savocchia, 02 6933 4341;, or Helen Waite, 0419 522 875

Botrytis: Fran Lopez, 08 9266 3061

Powdery Mildew: Suzanne McKay, 08 8303 9759 or Barbara Hall, 08 8303 9562

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