UC Ag Experts Talk: Grape Powdery Mildew Management and Challenges

UCCE Farm Advisors and specialists discussed biology and identification of powdery mildew in grapes, discussed the mode of action, application timing, and formulations of sulfur, and discussed how sprayer settings and nozzle selection influenced sprayer coverage. Also presented was how certain weather conditions can influence or increase drift. Powdery mildew resistance and the importance of FRAC codes was also included as well as various products for managing powdery mildew fungi in vineyards.
The webinar was recorded on August 11, 2021. Continuing Education credits are not available for recorded webinars. Closed captions are being reviewed for accuracy and will be corrected as necessary.
Speakers: Lynn Wunderlich, UCCE Farm Advisor, Central Sierra.
Larry Bettiga, UCCE Viticulture Farm Advisor, Monterey, San Benito, and Santa Cruz Counties.
Mark Battany, UCCE Water Management and Biometeorology Advisor, San Luis Obispo and Santa Barbara Counties.
Dr. Gabriel Torres, UCCE Viticulture Farm Advisor, Tulare and Kings Counties.
Dr. Akif Eskalen, Plant Pathologist, UCCE Specialist.
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