噻虫啉微胶囊粉剂防治松褐天牛药效试验

通过不同浓度的噻虫啉微胶囊粉剂防治松褐天牛药效试验,结果表明,噻虫啉微胶囊粉剂对松褐天牛有很好的防治效果.0.5％、1％、2％噻虫啉微胶囊粉剂（7.5 kg/hm^2）防治松褐天牛,药后35 d效果分别为64.26％、86.60％、86.94％,1％噻虫啉微胶囊粉剂对松褐天牛防效远高于0.5％噻虫啉微胶囊粉剂的防治效果,与2％噻虫啉微胶囊粉剂的防治效果差异不显著,建议用1％噻虫啉微胶囊粉剂7.5 kg/hm2防治松褐天牛.

Efficacy Test of Thiacloprid Microcapsule Powder Against Monochamus alternatus

The efficacy test was made by varying the concentration of thiacloprid microcapsule powder against Monochamus alternatus, the results showed that thiacloprid microcapsule powder has a good control effect on. 0.5%, 1%, 2% thiacloprid microcapsule powder （7.5 kg/hm^2） controlling M. alternatus, after 35 d of treatment the effect was 64.26%, 86.60%, 86.94%, respectively; control effect of 1% thiacloprid microcapsule powder was higher than that of 0.5%, control effect difference and 2% thiacloprid microcapsule powder was not significant, the prevention was that control M. alternatus with 1% thiacloprid microcapsule powder 7.5 kg/hm^2.