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…
la fijiensis also known as black sigatoka, is an ascomycete fungus that causes leaf-spot of banana. Life cycle and appearance of Black sigatoka…
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…
renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial soft rot, bacterial stem rot).…
well as insect and mite predators and parasites. Those living on plants can cause considerable damage to their host. Tarsonemids like the cyclamen…
of crops. Even within one crop, different formae speciales may occur and cause different symptoms. Fusarium oxysporum is the only Fusarium that…
chewing mouthparts and can devour large amounts of plant tissue. Many species cause damage to crops. The most harmful caterpillars that occur in…
to determine in practice which substance will cause an allergic reaction. An allergy can also be caused by other triggers, or a combination of…
Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding…
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