Eventually, the fungus causes grapes to shrivel, turn black and become what the industry calls black rot mummies. The fungus can survive winter in these mummies and in infected tendrils and canes.

Both green and black grapes are packed with essential nutrients, though their specific health benefits differ slightly, ...

Shriveling grapes likely indicates the dreaded black rot fungal disease.

Q: Are there any varieties of grapes that are naturally resistant to the black rot disease that ruins the fruit? I am reluctant to spray them, and my past experience has been that keeping them ...

A disease called black rot is by far the most common disease problem on grapes. Black rot (caused by the fungus Guignardia bidwellii) can affect all young, developing, above ground plant tissues.

This article was originally published with the title “Black Rot of the Grape and how to Treat It” inSA Supplements Vol. 35 No. 895supp(February 1893), p. 14307doi:10.1038 ...

Expectations are for the 2023 Texas wine grape season to produce a quality vintage despite some challenges here and there, said Texas A&M AgriLife Extension Service experts. AgriLife Extension ...

Brown rot is a serious disease of peaches, plums, and other stone fruits. For organic gardeners, spraying at-risk fruits with a milk solution can give good control.

Black rot can be incredibly destructive to vineyards, attacking the entirety of vines and leaving grapes shriveled and darkened in color. Sign up for Wine Spectator’s Free Email Newsletters and stay ...

If your grapes have a history of black rot, it is essential that you spray with fungicide, just to make sure it doesn’t reappear. Apply Captan or Benomyl every 10 to 14 days starting when growth ...