Even with lower glassy winged sharpshooter numbers this year, experts want growers to know the signs of Pierce’s disease in grape vines.
Pierce’s Disease May Never Be Eradicated
Pierce’s disease is a problem in grapevines that probably will never be eradicated due to the fact it can live in many species. Cooperative Extension Viticulture Advisor Allison Ferry-Abee says there are two sets of symptoms for Pierce’s disease. Spring symptoms are hard to define and can be caused by other issues.