摘要
用敌百虫、杀虫双、西维因、乐果四种农药进行了防治苜蓿蓟马的试验,经药效检查和浓度筛选试验证明,40%的乐果乳剂效果最好,使用浓度以1:500～1:1000倍液(喷药液量50公斤/亩)为最佳。
We experimended on controling alfalfa thrips, using four kinds of the pesticide-Dylon, Shachongshuang, Sevin and Rogor. The results showed that 40 percent Rogor latex was sifted from the four kinds of pesticide. The best consistency of using this pesticide was 1:500～1:1000 times dose.
出处
《中国草地》
CSCD
1990年第2期44-48,共5页
Grassland of China
