Study of the efficacy of chilli andonion aqueous extracts as natural pesticides for the control of insect pests of tomato with emphasis on african bollworm helicoverpa armigera (HB) (lepidoptera: noctuidae)

Abstract

African Bollworm Helicoverpa armigera (HB) is one of the major insect pests of a agricultural importance. The larval stage of this insect causes direct reduction and quality losses of tomato yields, and also through the high cost of insecticides that must be used against it.