For all of us who grow wine grapes, and have been scratching our heads with all the powdery mildew, here's an interesting article about how it's been a problem for everyone this year.
Jeff
Interesting article Jeff. I had some of what I suppose was powd. mildew in Chambourcin, Cabernet Sauvignon and Franc. In years past I did not have the problem. I routinely spray Nova/Mancozeb early and Nova/Captan late. The last spray, or perhaps 10 inches of rain followed by some warm weather, seemed to stop the problem. I wonder what "soft chemistry" is...any idea.
Bill Frazier Olathe, Kansas USA
"I wonder what "soft chemistry" is...any idea."
Soft chemistry usually refers to things like sulfur, biologicals, soap, oils, and the like
Miker
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