tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their…
the crop. Heavily damaged plants appear stunted and will, in most cases, die. On rapeseed, larvae also feed on flower buds, flowers and young seed…
wax threads, called an egg sac. Once the batch of eggs is laid, the female dies. First instar nymphs are yellow-brown and not yet covered with wax.…
twice, with an interval of eight to ten days. Then most onion fly larvae will die, and the pest pressure will remain low. Finally, the correct…
of white waxy threads. Once the eggs are laid, the female shrivels up and dies. The first instar nymph develops from the egg. These first instar…
growing tip can be killed, plant growth stops and, in time, the whole plant dies off. Cork tissue can also develop on fruit. Where pierced cells are…
as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface…
tissue and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their…
of plant: In severe cases, aphid infestations can cause plants to wilt and die. This can occur when the insects are present in very large numbers and…
growth. In severe cases, the leaves may drop prematurely and the plant may die. Additionally, spider mites reduce the plant's ability to…
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