Re: Powdery Mildew

We use wettable sulphur. We grow in a vineyard and the vineyard owner insists on it so as to protect his vines. It works for us. 

Good luck!




On Jul 26, 2010, at 8:59 AM, Ron Fine wrote:


Dear list,
Are there any systemic products to prevent or control powdery mildew? I live close to the ocean in Los Angeles, CA and we get a lot of moisture during the 
nights.  And, we have had an unusual spring and summer of cloudy, damp
weather. I have several pumpkins growing but my plants are being wiped out by powdery mildew. I have tried to use several types of sprays but I can't keep up with the spread and it is very difficult to get to the bottom of the 
leaves.  I'm afraid that this year my pumpkins will not make it.   Any
suggestions??

Thanks,

Ron Fine

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