摘要
本文应用最优分割法把苹果园昆虫群落的时间变化分为4～6月、7月和8～10月3个有序阶段,并揭示了各阶段害虫、天敌的发生特点及害虫防治策略。
This paper deals with the time pattern of insect community in appleorchard by optimal sorting method,the time variation of insect commu-nity in a year could be divided into three stages(Such as April to June,July and August to October).In addition,the characteristic of occur-rence for the pests and natural enemies in each stage was clarified,thecorrespning management tactics was suggested.
出处
《西南农业大学学报（自然科学版）》
CSCD
1990年第2期145-147,共3页
Journal of Southwest Agricultural University
