the leaves and form a secondary source of infection. They are dispersed by rain, irrigation water or handling of the plants. Infection of the plants…
stomata. Spores are dispersed by wind and in some species through the splash of rain. Damage symptoms Alternaria solani causes small green to dark…
above-ground plant parts, leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants.…
grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) need moisture (dew, rain, irrigation water) and nutrients for germination. Germination also…
the older, lower leaves. The spores are dispersed upwards to the ears by rain splash, or wind. On the infected ears, the typical pink spores are…
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