How Yo Treat Powdery Mildew On Grapevines

Question

I use the leaves for cooking and the plant has done well up to now but several leaves underside, have started to develop what appears to be white web like mildew. How do I treat it on the vine so I can still use the leaves.

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Answer 1

I wouldn't count on eating any of the affected leaves. Powdery mildew is hard to treat once it takes hold. Here is more:

https://www.gardeningknowhow.com/edible/fruits/grapes/treating-grapevine-problems.htm

https://www.gardeningknowhow.com/edible/fruits/grapes/powdery-mildew-on-grapes.htm