Virginia Grape Disease Updates
Grape Disease Management Tips from Mizuho Nita (Grape Pathologist at Virginia Tech)
Trunk Disease Projects
Grape Pathology Lab
Tuesday, August 7, 2018
Just another reminder on downy mildew
In the last several days, the nighttime relative humidity has been very high (>90%) and temperature has been in the upper 60s ~ lower 70s. This condition is favoring spore production of downy mildew.
Please check my previous post about downy mildew management.