摘要
用50%甲胺磷、25%灭幼脲Ⅲ号悬浮剂、10%灭百可乳油对国槐进行树干注射防治害虫试验。结果表明:3种药剂对槐蚜和国槐尺蠖均有较好的防治效果,田间持效期达43 d和50 d。3种药剂的建议使用浓度为50倍液。
25% exterminates the child urea suspension agent , 10% exterminates hundred but milk oil carries out a bole on Chinese scholartree injecting the prevention and cure vermin experiment with 50% A amine phosphorus. Result is indicated: Three kinds medicaments have fairly good prevention and cure effect equally to the scholar tree aphid and the Chinese scholartree looper , field holds effect scheduled time but amounts to 43 ds and 50 ds. Three kinds medicaments suggestion uses thickness to be 50 times liquid.
出处
《北方园艺》
CAS
北大核心
2007年第7期187-188,共2页
Northern Horticulture
基金
邢台市科技局资助项目(2006061)
关键词
树干注射
国槐
害虫
The bole gets a shot
Chinese scholartree
Vermin