Process for the biological control of the crop-ravaging insect Plutella xylostella, using a nuclear polyhedrosis and at least one synthetic pyrethrinoid

摘要

The subject of the present invention is a process for the biological control of the crop-ravaging insect Plutella xylostella, characterised in that it consists in treating the said crops with the nuclear polyhedrosis of Mamestra brassicae and at least one synthetic pyrethrinoid.