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当前位置: 首页 > 文章 > 火炬树抗螨性生物测定 昆虫学报 2007,50 (12) 1309-1314
Position: Home > Articles > Bioassay of the resistance of Rhus typhina L. against spider mites Acta Entomologica Sinica 2007,50 (12) 1309-1314

火炬树抗螨性生物测定

作  者：
李中新;孙绪艮;李庆和;郭慧玲
单  位：
泰山管委森保站;山东省汶上县植保站;山东农业大学植物保护学院
关键词：
叶螨;火炬树;抗螨性;生物测定
摘  要：
本文分别测定了二斑叶螨Tetranychus urticaeKoch和山楂叶螨Tetranychus viennensisZacher对火炬树的选择性,以及限制性条件下火炬树对叶螨的生存及产卵的影响。结果表明:在火炬树叶和苹果叶之间,二斑叶螨和山楂叶螨在2h,6h,10h,12h对火炬树的选择率分别为9.5%,6.5%,5%,5%和2%,5%,1%和0,显著低于对苹果的选择率。被限制于火炬树叶上生存的山楂叶螨144h后死亡率100%,产卵力随生存时间增加而下降,至96h后产卵终止;被限制于火炬树叶上生存的二斑叶螨240h后全部死亡,整个观察期内(24~216h)始终没有产卵。据此认为:叶螨强烈拒食火炬树,火炬树对叶螨具有生存、产卵抑制作用,但这种抑制作用呈现种间差异。
译  名：
Bioassay of the resistance of Rhus typhina L. against spider mites
作  者：
LI Zhong-Xin1,SUN Xu-Gen 1,LI Qing-He2,Guo Hui-Ling3(1.Plant Protection College,Shandong Agricultural University,Tai'an,Shandong 271018,China;2.Plant Protection Station of Wenshang County,Shandong Province,Wenshang,Shandong 272501,China;3.Forestry Protection Station of Taishan Management Committee,Tai'an,Shandong 271000,China)
关键词：
Spider mites;Rhus typhina;mite resisitance;bioassay
摘  要：
The selectivity of Tetranychus urticae Koch and Tetranychus viennensis Zacher to the Buck's horn(Rhus typhina L.)and effects of R.typhina on the survival and fecundity of spider mites confined in the Buck's horn leaves were bioassayed in the laboratory.The results indicated that the selecting rates of T.urticae and T.viennensis for Rhus typhina L.were 9.5%,6.5%,5%,5% and 2%,5%,1%,0 at 2 h,6 h,10 h,12 h,respectively.The survival of T.uiennensis confined on R.typhina leaves was fully inhibited after 144 h,and the fecundity was going down with increase of the survival time,and terminated at 96 h.The survival rate of T.urticae confined on R.typhina leaves was 0 after 240 h,and no oviposition was observed during the whole observation period from 24 h to 216 h.It was so concluded that R.typhina has the high antifeedant activity against spider mites and may distinctly inhibit the survival and fecundity of spider mites,but the inhibition is inter-specifically different for spider mites.

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