cucumber leaves affected by the fungal disease spotting

pseudomonas cladosporium bacteriosis angular spotted cucumber leaf mosaic viral disease spots yellow dew peronosporiasis growing agriculture garden bed dacha vegetable damaged spoiled spiderweb mite dangerous pest damage yellowed affected rust dark defeat stain rusty hole wound perforated fungus dries withered dried out sick dry scab pathology fungicide microbiology plant growth leaves fungal spotting