To study the succession of insect pests on chilli crop

Abstract

Studies on insect pest complex revealed that the following three major insect pests were damaging chilli crop viz., Aphis gossypii (Glover) [Hemiptera, Aphididae,] Scirtothrips dorsalis (Hood) [Thysanoptera, Thripidae] and Helicoverpa armigera (Hubner) [Lepidoptera, Noctuidae]. First appearances of aphids were observed when the crop was about 39 days after transplanting i.e. vegetative stage and remained active upto the third week of February i.e. the vegetative stage of the crop. First appearance of chilli thrips were observed when the crop was about 109 days after transplanting i.e. vegetative stage and remained active upto the fourth week of May i.e. the maturity stage of the crop. First appearance of chilli fruit borer larvae was observed when the crop was about 114 days after transplanting i.e. the maturity stage and remained active up to the fourth week of May i.e. maturity stage of the crop.