摘要
8%残杀威可湿性粉剂1000倍、1500倍和2000倍对桑尺蠖、桑螟、桑毛虫等桑园主要鳞翅目害虫的综合防效均高于对照农药24%敌·灭乳油1500倍,是一个替代老产品的新型桑园专用农药品种。8%残杀威可湿性粉剂初期使用推荐浓度2000倍,在防治上注意选择害虫低龄期,并注意喷雾质量和药液量,以提高触杀效果。
The integrated effect of 8% Propoxur WP 1000 times, 1500 times and 2000 times on the control of main mulberry Lepidoptera pests, such as mulberry looper, mulberry pyralid and mulberry tussock was higher than that 24% methomyl·trichlorf EC 1500 times. That is a new pesticides variety to alternate the old products. The recommend concentration of 8% Propoxur WP is 2000 times for the initial use. The attention of using the pesticide is selection young pest instars, and pay attention to the quality and liquid volume of spray in order to enhance the effect of toxicity.
出处
《蚕桑通报》
2009年第2期20-23,共4页
Bulletin of Sericulture
关键词
农药
残杀威
敌·灭乳油
鳞翅目害虫
防效
Pesticide
Propoxur
, Methomyl. trichlorf
Lepidoptera pests
Control effect