vine affected petri disease or esca disease. the grapevine leaf stripe disease

affected agricultural agriculture agronomy botany branch bright bunch chlorosis closeup color conditions contagious countryside damage disease esca flora fruit fungicide fungus gardening glsd grape grapes grapevine green growing growth healthy industry infected infection injury insecticides leaf leaves lush margin multicolor nobody organic petri plant purple red reddish rural spores spots spring stripe summer surrounded symptoms typically vine vineyard vineyards viticulture weathers wine winery yellow