云南三七主产区根结线虫病病原线虫种类鉴定及分布  

Identification of Root-knot Nematode Harmful to Panax notoginseng and Its Distribution

作　　者：杨佩文[1] 崔秀明 董丽英[1] 金莉[1] 陈昱君 刘树芳[1] 刘云芝 李家瑞[1] 冯光泉 

机构地区：[1]云南省农业科学院农业环境资源研究所,云南昆明650205 [2]文山州三七科学研究所,云南文山663000

出　　处：《云南农业大学学报（自然科学版）》2008年第4期479-482,共4页Journal of Yunnan Agricultural University:Natural Science

基　　金：云南省科技攻关项目资助(2005NG07)

摘　　要：根结线虫病是近年来三七生产上的一个主要病害,并有扩展蔓延的趋势,给三七生产造成不同程度的损失。报道了云南三七主产区根结线虫病的发生情况和危害状况,描述了该根结线虫病的危害症状,并根据雌虫、雄虫、二龄幼虫的典型的形态特征和测量值,将危害云南三七的根结线虫鉴定为北方根结线虫(Meloidogyne hapla)。Root-knot nomoatode is the main disease of Panax notoginseng, has caused a lot of damage to P. notoginseng planting, and is spreading fast in Yunan province. The distribution and the damage caused by this disease were reported, its symptoms were described and according to the morphological characteristics of female, male and the second-stage larva of the nematode, the nematode was identified as Meloidogyne hapla.

关 键 词：三七 北方根结线虫 形态鉴定 分布 

分 类 号：S435.672[农业科学—农业昆虫与害虫防治]