Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Phomopsis cane and leaf spot One of the diseases you need to consider soon after bud break is Phomopsis cane and leaf spot. It causes minor leaf spots, which are… Read more
I have new links for registration. Please use the following links. Registration: For the pruning workshop (2/21), please contact Ms. Beth Sastre. For the First Grape Disease Management Workshop (3/6),… Read more
The Virginia Tech viticulture team (Drew, Tremain, and I) will hold a series of workshops where we will discuss these diseases in depth. Please attend one of these so that… Read more
Federal regulation re-evaluation for mancozeb and malathion The EPA is reevaluating the uses of mancozeb and malathion this time, and their proposed action is to eliminate mancozeb from grapes. To… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more