What's wrong with my grapes?

Zone 6, OH(Zone 6a)

This vine has been in the ground about 4 years. Every spring it makes great foliage and the fruit comes along nicely. I think I'm going to get good grapes and then it happens. The grapes get about the size of peas and then they start to turn brown and shrivel up until they drop off. The leaves have some brown spots too. See photos. I don't have pictures of the grapes in the stage I mentioned. This is from today.

Cincinnati OH / Northern KY area

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Zone 6, OH(Zone 6a)

#2

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Zone 6, OH(Zone 6a)

#3

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Springfield, IL(Zone 6a)

sorry for thew late reply just looked at grape stuff ...it looks a bit like damage from fungecide ...captain ...if you are using a spray that contains it it will burn your stuff if it's sprayed on a sunny hot day or if it gets over 88 degrees within 24 hours of spraying ... change to a differnt fungecide... Mine looked the same now I spay at evening only durting cooler periods or use differnt stuff ..if you aint spraying then it's probably some sort of fungus brought on by cold wet sprind ..David

Nichols, IA(Zone 5a)

It kind of sounds like anthracnose

The Woodlands, TX(Zone 9a)

Indeed, it looks like anthracnose.
http://ohioline.osu.edu/b861/pdf/ch05_136-138.pdf

Here is the whole publication on grapes. It is excellent.
http://ohioline.osu.edu/b861/pdf/ch05.pdf

This message was edited Jul 1, 2006 10:31 PM

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