摘要
1993~1994年在乾县枣子沟苹果区对植物性无公害杀虫剂蔬果净的田间试验结果表明,在梨星毛虫和苹果巢蛾为害苹果树叶片初期喷施0.5%蔬果净乳油750~1500倍液,药后10d防效均达80%以上,药后20d梨星毛虫死亡率100%。
The result of spraying the TOOSENDANIN 0.5EC on the leaves of ap-ple trees with a solution of 50~1,500 ×,when Illiberis pruni and Hyponomeuta padel-lus begin to injure, reached up to 80%within ten days after application. The mortalityof the Illiberis pruni attained 100%within 20 days.
出处
《西北农业大学学报》
CSCD
1995年第5期124-126,共3页
Journal of Northwest Sci-Tech University of Agriculture and Forestry(Natural Science Edition)
关键词
蔬果净
药效
TOOSENDANIN,pesticide of effect,Illiberis pruni,Hyponomeuta padellus