40%氯噻啉水分散粒剂防治烟蚜田间药效试验

Test on 40% Imidaclothiz WG Against Myzus persicae in Tobacco Field

为验证40%氯噻啉水分散粒剂对烟田烟蚜的防治效果,进行了田间药效试验。试验结果表明,40%氯噻啉水分散粒剂对烟蚜有较好的防治效果,药后第10d供试3个剂量的防效为89.83%～96.40%,各处理间无显著性差异。40%氯噻啉水分散粒剂用于防治烟田蚜虫的适宜用量为18.75g/hm2(有效成分),持效期为10d左右。

The field test on 40% imidaclothiz WG was carried out to validate the control effect against Myzus persicae. The results showed that 40% imidaclothiz WG had good effect to control Myzuspersicae in tobacco field. Control effect of 40% imidaclothiz WG was 89.83% to 96.40% after 10 days of treatment, and three treatments had no significant difference. The suggested application dosage was 18.75 g/hm^2 （a.i.） and the persistent period was about 10 days.