Q.Grape vines
branches are dropping off my grape vines. It is as though they are pruning themselves. Vines are about 18 years old and this is the first time I have seen this.
Downtoearthdigs
Answered on June 9, 2018
This could be happening because of borer damage. This article may help
https://www.gardeningknowhow.com/edible/fruits/grapes/treating-grapevine-problems.htm
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