南京园林植物短体属和半轮属线虫的鉴定  

dentification of Pratylenchus and Hemicriconemoides Parasites on Garden Trees in Nanjing

作　　者：滕文凤[1] 谈家金[1] 叶建仁[1] 

机构地区：[1]江苏省有害生物入侵预防与控制重点实验室(南京林业大学),南京210037

出　　处：《东北林业大学学报》2012年第12期123-127,共5页Journal of Northeast Forestry University

基　　金：国家林业局林业科技支撑计划(2006BAD08A1002)

摘　　要：2009年10月—2010年7月,对南京栖霞区、江宁区和浦口区苗圃地的40种园林植物根际寄生线虫进行了初步调查,根据形态特征和测量值鉴定出短体属和半轮属线虫3个种,分别是咖啡短体线虫(Pratylenchus coffeae)、伤残短体线虫(Pratylenchus vulnus)和紧鞘半轮线虫(Hemicriconemoides strictathecatus)。其中,紧鞘半轮线虫为江苏省新记录种。在40种寄主植物中,卫矛(Euonymus alatus(8a))和七叶树(Aesculus chinensis(8a))为咖啡短体线虫的新寄主,红果栒子(Cotoneaster horizontalis(8a))和南方红豆杉(Taxus chinensis var.mairei(8a))为伤残短体线虫的新寄主,龙爪槐(Sophora japonica var.pendula(8a))为紧鞘半轮线虫的新寄主。A survey on 40 species ot rhizosphere parasitic nematode species on garden trees was conducted in Qixia, jiangning and Pukou districts of Nanjing from October 2009 to July 2010. Two nematode species of Pratylenchu （ P. coffeae and P. vulnus） and one nematode species of Hemicriconemoides （H. strictathecatus） , were observed and identified in rhizosphere soil of garden trees. H. strictathecatus is a new recorded species in Jiangsu Province. Among the 40 species of host plants, Euonymus alat and Aesculua chinensis are new host plants of P. coffeae , Cotoneaster horizontalis and Taxua chinensis var. mairei are new host plants of P. vulnus, and Sophora japonica var. pendula is a new host plant of H. strictathecatus.

关 键 词：园林植物 咖啡短体线虫 伤残短体线虫 紧鞘半轮线虫 

分 类 号：S763.1[农业科学—森林保护学]