1. UC IPM
A grapevine that is undersized with a sparse canopy (right) because it is chronically affected by Pierce's disease, <i>Xylella fastidiosa</i>. Adjacent is a healthier vine.
A grapevine that is undersized with a sparse canopy (right) because it is chronically affected by Pierce's disease, Xylella fastidiosa. Adjacent is a healthier vine.
Credit: Jack Kelly Clark