摘要
1988年在公主岭的春、夏、秋三茬甘蓝田系统调查了各虫态数量,性诱器监测了成虫数量。结果表明,1988年小菜蛾在公主岭主要发生4代,部分发生5~6代。
Results showed that BBM mainly occurred 4 generations and partly 5~6generations.The immigration adults, all stages of 1st and 2nd seneration occurred on spring cabbage. The adults of 2nd generations migrated into the summer cabbage field and consequently 3rd generation occurred. The 4th and 5th generation occurred on the autumn cabbage field.
出处
《吉林农业大学学报》
CAS
CSCD
1995年第2期27-31,37,共6页
Journal of Jilin Agricultural University