摘要
在分析桑螟增殖与发生预测的基础上 。
The grading standard to Judge the harmfulness of mulberry moth and principle for pest prevention and control were established based on the analyses on forecast and alertness of mulberry moth reproduction and occurence in this paper.
出处
《蚕桑通报》
2000年第2期16-18,共3页
Bulletin of Sericulture