there. Damage symptoms Leaf miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf…
crops. Even within one crop, different 'formae speciales' may occur and cause different symptoms. This species is the only Fusarium that actually…
and cause primary infection of the leaves. Survival can be several years, up to eight years for several Alternaria spp. Typically, Alternaria causes…
of maize. Damage symptoms Damage is caused by both larval and adult feeding, although it is the former that causes the most extensive damage. The…
mildew of Cucurbits General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops like cucumber, cantaloupe, pumpkin,…
Direct damage, caused by sucking of sap is rarely seen. Sometimes, large populations build up on potatoes or other hosts, which can cause growth…
nd plant parts, leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal…
General Sciarid flies constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella .…
diseases, including bacterial diseases, caused by pathogens such as Clavibacter michiganensis . These pathogens can cause significant damage to the…
them from causing significant damage to the crops. Blueberry diseases such as Botrytis , Phytophthora and other fungal pathogens can cause serious…
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