Q.Grapes
My late husband planted a grapevine in the garden (RP Vine Vroege van der Laan) about 4 years ago. It has some lovely bunches of grapes this year but gradually they are turning brown. Can you tell me what’s causing this, please?

Downtoearthdigs
Answered on September 9, 2015
This is likely Black Rot disease.
Here is a link with more information.
https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm
https://www.gardeningknowhow.com/edible/fruits/grapes/treating-grapevine-problems.htm
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