内蒙古自治区鄂尔多斯市马铃薯腐烂茎线虫种类鉴定研究  

Identification of Ditylenchus destructor on potato in Ordos of Inner Mongolia

作　　者：霍宏丽 席先梅 白全江 李星星 王新荣[2] 融晓君 HUO Hongli;XI Xianmei;BAI Quanjiang;LI Xingxing;WANG Xinrong;RONG Xiaojun(Plant Protection Institute,Inner Mongolia Academy of Agricultural&Animal Husbandry Sciences,Hohhot 010031,China;Guangdong Province Key Laboratory of Microbial Signals and Disease Control,South China Agricultural University,Guangzhou 510642,China;Inner Mongolia Plant Protection and Plant Inspection Station,Hohhot 010010,China)

机构地区：[1]内蒙古自治区农牧业科学院植物保护研究所,呼和浩特010031 [2]华南农业大学广东省微生物信号及作物病害防控重点实验室,广州510642 [3]内蒙古自治区植保植检站,呼和浩特010010

出　　处：《植物病理学报》2022年第4期721-726,共6页Acta Phytopathologica Sinica

基　　金：内蒙古农牧业创新基金项目(2020 CXJJN07);内蒙古自治区科技计划项目(2020GG0070)。

摘　　要：0 引言马铃薯腐烂茎线虫(Ditylenchus destructor Thorne)又名甘薯茎线虫,属于侧尾腺纲垫刃目粒线虫科茎线虫属。马铃薯腐烂茎线虫病是国际公认的一种检疫性疾病,是马铃薯重要病害之一。该线虫主要侵染植物地下部分,在没有高等寄生植物的情况下,依靠取食土壤中的真菌维持生存,寄主范围广。近几年,马铃薯腐烂茎线虫危害逐渐上升,可导致马铃薯减产20%~83%,严重时甚至绝收。To identify the species of Ditylenchus destructor on potato in Ordos of Inner Mongolia region, potato tubers and rhizosphere soil samples were collected from the potato-growing areas of Ordos. Nematodes were isolated using the improved Behrman funnel method and identified by the morphological and molecular methods. The results shown that the nematode from potato were confirmed as Ditylenchus destructor. The pathogenicity test was confirmed successful D. destructor reproduction in potato. Finally, the Ordos population clustered in a branch with the population of haplotype C. These results provided a theoretical basis for the control of Ditylenchus destructor in Ordos.

关 键 词：Ditylenchus destructor harmful symptoms IDENTIFICATION DISTRIBUTION 

分 类 号：S432.32[农业科学—植物病理学]