PROCESS FOR BIOLOGICAL FIGHT AGAINST DEVASTATING INSECTS OF CULTURE AND INSECTICIDE COMPOSITION

摘要

The process consists in treating the crop conjointly with at least one baculovirus from Spodoptera littoralis or Mamestra brassicae and at least one photostable pyrethrinoid. The insecticidal compositions comprises the combination of at least one of the said baculovirus and at least one photostable pyrethrinoid; doses of baculovirus and pyrethrinoid are advantageously below usual doses. Such compositions and process are used to control noctuid Lepidoptera by potentiation of the viroses induced by nuclear polyhedra.