three, in the hairs of green ears of corn. The larvae feed on the hairs of the young corn and on the young kernels at the tip of the cob. During the…
inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the…
be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur…
roots, hairy roots and crown gall. Life cycle and appearance of Crazy roots, hairy roots, crown gall The primary source of infection by Rhizobium…
symptoms The developing larvae eat different parts of the host plant, depending on the crop, the stage of crop development, and the age of the larvae.…
to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest of all…
to the damage caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The…
instar larvae of thrips and lays 3 eggs per day at 25°C under optimal conditions. Life cycle of Amblydromalus limonicus The life cycle of…
patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll.…
Damage symptoms The caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late…
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