茎属线虫中国1新纪录种描述  

A New Record Species of Ditylenchus in China

作　　者：颜秀娟[1] 姚丽颖[1] 李明姝[1] 段玉玺[2] 刘金文[1] YAN Xiujuan YAO Liying LI Mingshu DUAN Yuxi LIU Jinwen(Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033 Nematology Institute of Northern China, Shenyang Agricultural University, Shenyang 110161, China)

机构地区：[1]吉林省农业科学院大豆研究所,长春130033 [2]沈阳农业大学北方线虫学研究所,沈阳110161

出　　处：《东北农业科学》2017年第5期48-50,共3页Journal of Northeast Agricultural Sciences

基　　金：吉林省科技发展计划项目(20160412011XH)

摘　　要：记述了从中国辽宁省开原市的花椰菜(Brassica oleracea var.botrytis)和黄花菜(Hemerocallis citrina)根围土壤中分离到的1种茎属线虫,并鉴定为长尾茎线虫(Ditylenchus longicauda Choi&Geraert),为我国迄今为止尚未报道的新纪录种。其主要鉴定特征:侧区6条侧线;口针锥部大约为口针长的1/3,基部球圆或稍向后倾斜;尾较长,是肛门处虫体直径的6.0~7.3倍;后阴子宫囊长为阴门处虫体直径的1.2~2.1倍;后部圆柱状,末端钝圆到尖。A new record species of Ditylenchus, Ditylenchus longicauda Choi Geraert was found in soil around therhizosphere of cauliflower and daylily from Kaiyuan City of Liaoning Province in China. It was characterized as fol-lows, laeral field with six incisures; conus is about one-third of stylet length, knobs rounded or slightly tilted back-wards; tail elongated, 6.0-7.3 anus body width long; Posterior uterine branch is 1.2-2.1 times as long as width ofcorresponding body diameter, cylindrical in posterior part, tip rounded or dull to pointed.

关 键 词：茎属Ditylenchus 新纪录种 中国 

分 类 号：S432.45[农业科学—植物病理学]