20%呋虫胺可溶粒剂对棉盲蝽蟓田间防效评价

Control Effect of Dinotefuran 20% SG on Cotton Mirids

为明确20%呋虫胺可溶粒剂（SG）在新疆棉田对盲蝽蟓的防治效果，2011年和2012年进行了田间药效试验。结果表明：药后1,3,5,7 d，20%呋虫胺SG 60～120 g/hm2对棉盲蝽蟓的防效分别为53.04%～71.94%、61.45%～81.15%、71.91%～86.34%和81.87%～92.80%。20%呋虫胺SG对棉盲蝽蟓具有较好的防治效果，且对棉花安全。

In order to confirm the control effect of dinotefuran 20% SG against mirids in Xinjiang cotton fields, the field trials were carried out in 2011 and 2012. The results showed that the control effects of dinotefuran 20%SG were 53.04%-71.94%, 61.45%-81.15%, 71.91%-86.34%and 81.87%-92.80%at the active ingredient dosages of 60-120 g/hm2 on the 1st, 3rd, 5th and 7th days after spraying, respectively. Dinotefuran 20% SG had better control effect on cotton mirids, and was safe to cotton.