摘要
甜菜夜蛾和葱蓟马是为害大葱的重要害虫,为了寻找高效、环境友好且能兼治的药剂,特进行了本研究。结果表明:甲氧虫酰肼·乙基多杀菌素360g/L悬浮剂对甜菜夜蛾的防效在施药后第1、3、7d逐渐提高,药后第10d在24.4g/667m2的剂量下,防效可达98.40%;对葱蓟马防效药后第3d最好,在24.4g/667m2的剂量下,平均防效为74.56%,药后第7、10d防效略有降低。因此,甲氧虫酰肼·乙基多杀菌素360g/L悬浮剂可作为大葱田防治甜菜夜蛾和蓟马的优良药剂。
Beet armyworm （Spodoptera exigua Hiibner） and Thrips （Thrips alliorum Priesner） aremajor insectscausing harm towelsh onion.Inorder to find efficient, environmental-friendly in- secticides which cancontrol the above two insectssimultaneously, the following test was carried out. The results showed that the control effect of methoxyfenozide-spinetoram 360g/L SC on Beet armywormwas gradually increased 1, 3 and 7 days after application, and the control effect was 98.40% 10 days after applicationwith the application rate of 24.4g/667m^2. The highestcontrol effecton thripswas observed at the 3^rd-day after application; and the average one was 74.56%with the application rate of 24.4g/667m^2. However, the average control effect was decreased slightly 7 and 10 days afterapplication.Therefore, methoxyfenozide-spinetoram 360g/L SC is an excellent insecticideto control againstbeet armyworm andthripsof welsh onion.
出处
《农药科学与管理》
CAS
2015年第1期58-61,共4页
Pesticide Science and Administration
关键词
甲氧虫酰肼·乙基多杀菌素
甜菜夜蛾
葱蓟马
田间药效
methoxyfenozide-spinetoram
spodoptera exigua hubner
thrips alliorum priesner
field efficacy
