I.IPM of Cotton Major pests: >Cotton aphid:Aphis gossypii; >Cotton bollworm:Helicoverpa armigera; >Cotton spider mites; >Pink bollworm Pectinophora gossypiella. Ⅰ. IPM of Cotton IPM of Cotton Major pests: ¾Cotton aphid: Aphis gossypii; ¾Cotton bollworm: Helicoverpa armigera; ¾Cotton spider mites; ¾Pink bollworm Pectinophora gossypiella