Control of Helicoverpa armigera and related ecological effects following massrelease of Trichogramma chilonis in transgenic Bt and routine cotton fields
LIU Wan-Xue 1, WAN Fang-Hao 1*, GUO Jian-Ying 1, ZHANG Fan 2, SUN Guang-Zhi 3, MENG Zhao-Jun 3
. 2003, (3): 311 -317 .