摘要
本文论述了关中地区杨树食叶蛾类的区系结构,并从生态学角度出发,运用模糊分析方法,阐明了下旬/5月～中旬/6月,下旬/7月～中旬/8月为防治适期。
The paper discussed the mothfauna structure in Guanzhong region,from the view point of ecology the optimum control stage is the time of latter May to mid June or latter July to Mid August by using fuzzy analysis method.
出处
《陕西林业科技》
北大核心
1991年第3期51-56,共6页
Shaanxi Forest Science and Technology
关键词
杨树
害虫
区系
防治
叶片
Poplar
Leaf pest
Fauna
Optimum control stage
Guanzhong
