摘要
在松墨天牛成虫补充营养期，进行化学防治是有效可行的。采用１２％倍硫磷１５０倍液＋４％聚乙烯醇１０倍液＋２．５％溴氰菊酯２０００倍液林间喷雾，其防治效果十分显著，死树减退率可达１００％，取食疤痕减退率为９６．４％，有效期达２０ｄ左右，且成本较低。打孔注射方法，采用甲胺磷１∶３（体积比），９ｍＬ／株处理效果较好。９７１１型聚乙烯醇使倍硫磷残效期延长至２８ｄ，可作为倍硫磷的助剂使用；ＢＡ１５４粘着剂效果不理想，与倍硫磷产生拮抗作用。
During the adult′s replenishing nutrient period, chemical control is the effective way of cotrolling the population of Monochamus alternatus by spraying pesticides.After three different spraying treatment of mixing fenthion, polyvinyl alcohol (PA) and deltamethrin,and at the same time,feeding treated twigs in laboratory as auxilizary means.As result,chosed the best type of pesticides∶fenthion(12%)∶PA(9711)(40%)∶deltamethrin (12%) diluting 150∶10∶2000,can remain at least 20 days′ extended controlling, and reduce ratio of death of Pinus massoniana at 100%,twigs′ 96.4%. Methamidophos (50%) 1∶3 as the efficient type for ejecting pesticides into trunk at 0.5 m height from ground,but dense adult population can cause much more flunctuation. PA(9711) can sustain longer extended controlling period than BA 154 as adeherent substances,respectively,with 50% fenthion on Pinus massoniana and feeding the adults with these treated branches in laboratory,and PA(9711) attributes to extend fenthion 28 days′ ability,so it can use as the optimum auxiliary solvent,but BA 154 became resistant to fenthion.
出处
《林业科学研究》
CSCD
北大核心
1998年第4期412-416,共5页
Forest Research
基金
"九五"国家攻关子专题
浙江省"九五"项目
关键词
林业
松墨天牛
化学防治
防治方法
防治效果
Monochamus alternatus chemical control controlling method controlling effect
