What is wrong with my grapes

Question

I sprayed my grape vine with garden fungicide but they are still going bad. This has been happening for a few years now.

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Answer 1

This looks like Grape Black Rot. This can be quite difficult to control. This will have to be controlled by a fungicide that is specifically made for this application.

This article will give you more information on this subject, and how to control it: https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm