Dear Jim: Grapes are self-pollinated, so that isn’t the problem with your vines. “The dried-up berries are probably due to a disease called black rot,” said Michael Ellis, a plant ...

Q: I have a good-size grape vine Concord) that has had a problem the last few years. It gets lots of grapes that grow to full size, but then about 90 percent of them turn black and shrivel up.

Some grape varieties are more susceptible to the black-rot disease (and other diseases such as powdery mildew and downy mildew), but just about every source I've read still recommends regular ...

Grapes are one of the most difficult fruit to grow here in Kentucky. A disease called black rot is by far the most common disease problem on grapes. Black rot (caused by the fungus Guignardia ...

Then the grapes turn dark and shrivel. What’s the problem?A: These symptoms sound like black rot, a serious grape disease. Good autumn cleanups aid in prevention and elimination.

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

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 Free Email Newsletters. Sign up for Wine Spectator ...