0.9%阿维菌素地面喷烟防治兴安落叶松鞘蛾试验

Spraying smoke of using 0.9% AV bacteriophage against Coleophora dahurica

20 0 1年在内蒙古大兴安岭绰尔林业局的兴安落叶松人工林内 ,应用 0 .9%阿维菌素与 0号柴油混合进行地面喷烟防治兴安落叶松鞘蛾成虫的效果显著 ,阿维菌素与 0号柴油的配比在 1 2 5以上 ,用药量 2 76ml hm2 以上进行喷烟防治鞘蛾的虫口减退率可达 85 %以上 ,最高可达 95 .73%。在喷烟防治时 。

Experiment of spraying smoke with No.0-diesel oil mixed with 0.9%AV bacteriophage against Coleophora dahurica was carried out in the artificial stands of Larix dahurica .The result showed that spraying smoke with a formula of AV:Diesel oil over 125 and a dosage of 276ml/hm 2 could kill 85% and the highest 95.73% of the pest.The time of spraying smoke should be selected in morning or evening without wind.