spots on the upper surface of the leaves. White powdery growth on lower surface of the leaves. Downy damaged leaves become brown and dried leads to…
this decreases the duration of leaf wetness Shred fallen leaves in autumn/winter Spray fallen leaves with urea Ensure that the microbial population as…
dispersal. Damage symptoms Ascochyta pisi causes spots on leaves, stems and pods of peas. The spots on leaves and pods are round, on the stems they…
The leaves become discoloured and become distorted between the lateral veins. Severely damaged leaves turn yellow and drop. In addition, leaves are…
but in other species also feed on leaves. Adult beetles cause damage by feeding on fruits, flower buds and leaves depending on the species. Buscador…
first generation adults appear from mid May onwards. Eggs are laid singly on leaves or developing fruitlets and hatch after 10-14 days. The first…
They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when seen from above, with…
nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs also causes cosmetic…
also spread pathogens from diseased to healthy plants. Frass deposited on leaves or flowers in ornamental crops, lettuce, and herbs also causes…
conditions. In Europe, adults appear from March onwards. Eggs are laid singly on leaves and twigs of trees. The larvae emerge 1-4 weeks later…
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