Efficacy of biopesticides and natural plant products for Heliothis/Helicoverpa controlDGrzywaczauthorARichardsauthorR JRabindraauthorHSaxenaauthorO PRupelaauthorThis chapter reviews the efficacy of biological pesticides (Helicoverpa armigera nuclear polyhedrosis viruses or HaNPVs, fungi, bacteria, protozoa and nematodes) and plant extracts (including Azadirachta indica extracts) against H. armigera; mass production of HaNPVs; and genetic modification of HaNPVs for increased efficacyFertilizer ApplicationsEntomology2005Oxford & IBH Publishing Co. Pvt. Ltd.Book Section