Pierce's disease of grapevine
symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue turning [...] diseases such as Pierce's disease of grapevines, phony peach disease, plum leaf scald, citrus variegated chlorosis and quick decline syndrome. Recently, [...] turning yellow or red. This desiccation spreads and the whole leaf may shrivel and drop off. Infected stems show irregular maturation and patches of brown and