Ask Your PCA: Why is a timely powdery mildew application important on winegrapes?


Issue Date: April 8, 2015
Nick Lupien PCA, Ag Unlimited, Ukiah area Member of CAPCA Board of Directors

Wineries have a zero tolerance on live mildew on grapes. A heavy mildew infestation requires the grower to have to go through with high volumes of water and a surfactant to wash off the mildew. This comes up every year, and it affects the grower's bottom line.

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