symptom of fungal disease is hole spotting on leaves. disease of stone fruit crops of clasterosporium carpophilum

agriculture apple bacterial bacterium black blight carpohilum carpophilum cherry clasterosporium crops damaged deficiency disease farm fireblight foliage fruit fruits fungal fungus garden growth harm hole horticulture illness infected infection leaf leaves mushroom orchard parasite patchy pathogen pest pesticide plum problem sick smudge spot spotting stone symptom terosporium tree twig wrinkled