Starved of nourishment, the vine's grapes shrivel, its leaves turn brown and drop, and eventually the plant dies. A 2015 study estimated that the disease costs California growers and taxpayers ...

Grapevine Leafroll Disease (GLD): A viral disease affecting grapevines, characterized by leaf rolling and discoloration, which can lead to reduced yield and quality. GLRaV: Grapevine leafroll ...

Grapevine diseases, particularly powdery mildew and ... characterized by white powdery spots on leaves and fruit. Downy Mildew: A fungal disease caused by Plasmopara viticola that leads to ...

Antioxidant Properties: Grape leaves contain polyphenols, flavonoids, and other antioxidants that help combat oxidative stress in the body, reducing the risk of chronic diseases such as heart ...

Whether as a sponsor or donor, a member or volunteer, or an employee or fellow, you can make a difference. Grapevine red blotch disease (GRBD) and grapevine leafroll disease (GLD) are growing threats ...