寄生于花生的根腐线虫种类鉴定及致病性测定  

Identification and pathogenicity of root-lesion nematodes parasiting on the peanut

作　　者：廖琳琳[1] 章淑玲[1] 肖顺[1] 张绍升[1] 

机构地区：[1]福建农林大学植物保护学院,福建福州350002

出　　处：《福建农林大学学报（自然科学版）》2015年第3期240-244,共5页Journal of Fujian Agriculture and Forestry University:Natural Science Edition

基　　金：国家自然科学基金-青年科学基金(31201495)

摘　　要：在福建省福清市渔溪镇花生根部发现根腐线虫的侵害,通过形态特征观察和r DNA-ITS区测序及序列比对,将其鉴定为咖啡根腐线虫.盆栽接种试验证明,该线虫可以侵染花生的根系和荚果,影响植株生长并降低结荚率,对花生具有显著的致病性.Root-lesion nematodes were discovered from the root of peanut in Yuxi,Fuqing,Fujian Province. According to the morphological and r DNA-ITS characteristics,the nematodes were identified as Pratylenchus coffeae. Inoculation test showed that the nematodes could infect the pods and root of peanut,limite the growth of peanut and reduce the number of pods. It really indicated that P. coffeae could cause the disease seriously.

关 键 词：咖啡根腐线虫 花生 致病性 

分 类 号：S432.4[农业科学—植物病理学]