Concord Grape disease?

 I seem to have some disease (or lack of nutrients?) on my concord
grapes. The fruit, which is not yet ripe, is getting dark spots and
areas on it. I had this same problem last year, I thought maybe it was
due to the heavy rains we had.

Figuring a picture is worth a thousand words, I took a photo of some of
the fruit: http://www.blackcatsystems.com/concordgrapes.jpg

Maybe someone can identify what the problem is, and what some solutions
might be? I was looking forward to making some grape juice this year :-(

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Chris Smolinski
Black Cat Systems
http://www.blackcatsystems.com

 Try posting on rec.crafts.winemaking . Lots of experienced grape growers
there.
Steve

 Did you spray them with a fungacide?  I used to live in Arkansas and had to
spray them with Captain (pronounced Cap-tane) every spring.  That is about
the only problem we ever had with grapes.  No bug problem.

Dwayne

 No, I didn't. Perhaps I will have to consider it for next year, I
suspect it is too late this season.



Chris Smolinski
Black Cat Systems
http://www.blackcatsystems.com

 You might try it if you have any left.  Check out dthe information sheet
abougt how long before harvest you should stop using the product.  I always
did it early enough to not have to worry about it.

Dwayne