Anti-feeding activity of Bt transgenic cotton to cotton bollworm and its possible mechanisms.
Author of the article:ZHOU Dong-Sheng1，WANG Xue-Lin1，WU Zhen-Ting1，NI Chun-Geng1,ZHENG Hou-Jin2，XIA Jing2
Author's Workplace：1.(Department of Plant Protection, Anhui Agricultural University, Hefei 230035,China),2.(The General Seeds Company of Anhui Province, Hefei230031,China).
Key Words：Bt transgenic cotton; cotton bollworm; anti-feeding activity; digestive enzymes
Abstract：Bt transgenic cotton had anti-feeding activity to the 3rd, 4th, 5th instar larvae of cotton bollworm and the activity reduced significantly with the increase of larvae instar, among them the activity to the 5th instar larvae is very poor. The activities