1%噻虫啉微胶囊颗粒剂防治松褐天牛试验初报

Report on Controlling Monochamus alternatus in the forest with 1% Thiacloprid Microencapsulated Granule

在松材线虫病疫区,利用背负式机动喷雾喷粉机喷施1%噻虫啉微胶囊颗粒剂防治松褐天牛,能够取得因松褐天牛羽化期长、防治难度大等原因常规药剂难以达到的防治效果。施药后30d,防效效果在75%以上,该药剂能将不断羽化出来的松褐天牛杀死,药剂持效期长。

In the Bursaphelenchus xylophilus affected areas,The authors used motorized knapsack sprayer to spray 1% Thiacloprid microencapsulated granule to control the population density of Monochamus alternatus and curb the spread of pine wood nematode disease.It has effectively overcome the manage difficulty and the long emergence of Monochamus alternatus and achieved a good control result.The control efficacy kept above 75% and lasted for 30 days after application.The pesticide could keep killing the continuously emerged individuals because of its long duration of pharmaceutical efficacy.