两种护林神粉剂防治华山松木蠹象的林间套笼药效试验

在云南省会泽县国营者海林场受华山松木蠹象危害的华山松中幼林内设置试验区, 进行护林神2号、3号粉剂防治华山松木蠹象成虫的林间套笼药效试验。结果表明: 应用护林神2号粉剂防治华山松木蠹象成虫的效果为95 6 %; 护林神3号粉剂的防治效果为91 6 %。经u值检验, 二者差异不显著。

The Test of the Effectiveness of Two Hulinshen Powder Pesticides on Pissodes puctatus by Means of Inoculating the Insects in the Coop Settled on the Tree in Forest

The Test of the effectiveness of two Hulinshen powder pesticides on Pissodes puctatus by means of inoculating the insects in the coop settled on the tree in forest was performed in the young and half-mature forest region located in the state Zhehai forestry center of Huize county in Yunnan province where the forest was harmed by P.puctatus.The result showed that the effectiveness of No.2 Hulinshen power pesticide on controlling the adult of P.puctatus (represented by corrected death rate) is 95.6%, and that of No.3 Hulinshen power pesticide is 91.6%. The significance test indicated that there was no significant difference between them.