This may reduce powdery mildew inoculum load in your vineyard next spring. AQ10 may be tank mixed with a light oil for this late application. The oil will not only increase the germination rate of the AQ10 spores but it will also kill any active mildew hyphae it contacts. The tables on the following page provide a brief overview of the types of fungicides available for powdery mildew control in grapevines. Growers should utilize contact materials in conjunction with locally systemic and systemic materials in a manner that will reduce the development of resistant mildew isolates in their vineyards.
More information is available in a publication available at the web site indicated above.