Pests and Diseases - Small Winegrowers Association Forum https://www.smallwinegrowersassociation.com/community/pest-diseases/ Small Winegrowers Association Discussion Board en-US Fri, 05 Jun 2026 19:49:30 +0000 wpForo 60 Powdery mildew control in Southern California wine grapes https://www.smallwinegrowersassociation.com/community/pest-diseases/powdery-mildew-control-in-southern-california-wine-grapes/ Tue, 12 May 2026 18:27:08 +0000 Greg Pennyroyal's presentation to the group at the May meeting covered the factors that contribute to powdery mildew pressure and how they affect spray intervals. He also provided guidelines for different products to treat powdery mildew based on severity and emphasized the importance of rotating products to prevent resistance from developing. You can access Greg's presentation at this link: https://docs.google.com/presentation/d/1WVyGVsPZ34IiQaNxA5RFHtopt4HuxMOV/edit?usp=sharing&ouid=109058033488663734850&rtpof=true&sd=true

]]> Pests and Diseases Kiry https://www.smallwinegrowersassociation.com/community/pest-diseases/powdery-mildew-control-in-southern-california-wine-grapes/ Vine mealybug detection and treatment https://www.smallwinegrowersassociation.com/community/pest-diseases/vine-mealybug-detection-and-treatment/ Thu, 16 Apr 2026 16:26:54 +0000 Greg presented to the group with special guest speaker, Jillian Cline, from Nutrien Ag. Topics covered were signs to look for in your vineyard of mealybugs, treatment options, and prevention. You can view Greg’s PowerPoint presentation and access his formulas for treatment solutions at the link below.

https://docs.google.com/presentation/d/1tmwsKJY9zlERQpmYf20bARCTn9KkuLPT

]]> Pests and Diseases Kiry https://www.smallwinegrowersassociation.com/community/pest-diseases/vine-mealybug-detection-and-treatment/