Research Article
Cross Resistance of Cry1Ac Resistant Cotton Bollworm, Helicoverpa armigera to Spore-δ-endotoxin of Various Bacillus thuringiensis (Berliner)
Pulses Programme, National Agricultural Research Center National Park Road, Islamabad-45500, Pakistan
W. U. Kongming
Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100094, Peoples Republic of China
Gemie Liang
Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100094, Peoples Republic of China
Yuyuan Guo
Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100094, Peoples Republic of China