It looks like a bad case of mildew. I also think you need to keep the weeds away from the plants. It could be what's contributed to the mildew, if the plants aren't getting enough air circulation to dry out quickly enough. I don't know if these are salvagable. A copper fungicide works better as a preventative measure, but you can see if it improves the plants. Though if you've got anything healthy nearby, I would pull them to prevent a spread.

A severe case of powdery mildew. With plants this far gone I'd pull them and replant. I highly doubt they are going to recover and spraying fungicides would be useless. Sorry. If you had caught the PM early enough you could have dealt with it.

I agree with loribee2 about the weeds.

Rodney

This post was edited by theforgottenone1013 on Fri, Jun 20, 14 at 0:42

Well darn it. Thanks for the replies!

I will pull weeds, but I won't be able to replant this year.

I also have an affected cucumber (opposite side if the garden and it just sprouted from seed?!) and a spaghetti squash. The spaghetti squash has large fruit setting so I'd hate to pull it. Will the fruit still ripen?