摘要
通过五年各代桑螟变化情况和药剂防治情况调查 ,得出全年桑螟化学防治策略为 :治好第1代 ,兼治2、3代 ,重点防治4、5代。蚕种场桑螟防治策略为 :主要做好越冬代桑螟防治和清理工作。
Through the investigation of the variety of mulberry pyralid in different generations and the situation of chemical control during 5 years,the main strategy of chemical control in whole year was:to completely control the first generation,pay attention to the second and third generations,lay emphasis on preventing the fourth and fifth generations.The most importance of control mulberry pyralid in silkworm egg producing farms was to control and clear the over winter generation.
出处
《蚕桑通报》
2001年第2期22-24,共3页
Bulletin of Sericulture
