they will start to build up a population as soon as the conditions are favourable.This can become a serious threat to you crop in a later stage. New…
Pinos, they have set out to continue implementing policies and technology to minimise environmental impact. This has allowed them to grow and…
greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spread as a consequence of the…
population. Large individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at a high temperature…
Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The…
development. After the second instar, a male nymph forms a dark brown ‘prepupa’ from which a pupa rapidly develops, inside a white cottony cocoon.…
and I said to each other when the coronavirus crisis erupted and exports came to a standstill,’ Lex Scheffers recounts. The two partners made a…
greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate…
embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal…
as Spidend . How to use Feltiella acarisuga The predatory gall midge Feltiella acarisuga is available in plastic cups ( Spidend ). Make a hole in the…
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