摘要
目的 :为枸杞害虫的科学防治提供依据。方法 :在枸杞生长季节调查枸杞害虫及其天敌种类 ,定期、定点调查害虫及天敌发生数量。结果 :北京地区枸杞害虫有 13种 ,枸杞害虫天敌有 17种 ,不同害虫发生数量和为害时期各不相同 ,天敌的种类和发生数量与害虫的发生密切相关。结论 :天敌昆虫可有效的控制枸杞蚜虫和枸杞木虱 ,对严重为害枸杞的枸杞负泥虫、枸杞小跳甲必须进行药剂防治 ,同时注意保护天敌资源。
Objective:To Provide the scientific basis for controling the lycium pests. Method: The kinds and number of pests and their natural enemies were investigated at regular intervals and on the fixed trees. Result: There are 13 kinds of lycium pests and 17 kinds of natural enemies,the occurrence of which are closely related. Conclusion: Natural enemies can control aphids and psyllidae effectively, but ten-spotted lema and Epithrix sp.must be controlled by pesticides.
出处
《中国中药杂志》
CAS
CSCD
北大核心
2002年第11期819-823,共5页
China Journal of Chinese Materia Medica
基金
国家科技部"九五"重点科技攻关项目 (99 92 9 0 3 0 9)
关键词
北京
枸杞
害虫
天敌
调查
lycium
pests
natural enemy
investigation