摘要
1993、1994年用40%丙溴磷乳油进行了防治棉铃虫药效试验,两年的试验结果表明,亩用该药60、80、100毫升,在药后7天均达到了80%以上的防效,亩施100毫升,防效均达到93.7%以上,明显高于2.5%三氟氯氰菊酯乳油亩施30毫升的防效77.0%。该药是一种防治抗性棉铃虫的优良杀虫剂,建议棉田用量为亩施80~100毫升为宜。
A test of control cotton bollworm with 40% pro-fenofos EC was performed in 1993 and 1994.The resultsshowed that the control effect of each of tests was over 80%after 7 days of using the insecticide with 900ml/ha and1200ml/ha while the effect was over 93.7%with 1500ml/haof the insecticide. These control effects were higher than thoseof 2.5% cyhalothrin EC 450ml/ha. The insecticide is a goodselect to control resistant cotton bollworm.
出处
《农药》
CAS
北大核心
1995年第8期31-32,共2页
Agrochemicals