当归病原根结线虫的鉴定  

Identification of the Root-knot Nematode Disease on Angelica sinensis(Qliv.)Diels

作　　者：姚茹瑜[1] 陈志星[1] 李灶福 喻盛甫[1] 谢勇[1] 李凡[1] 王扬[1] 

机构地区：[1]云南农业大学植物保护学院,云南昆明650201 [2]云南省易门县铜厂乡农科站,云南易门651108

出　　处：《云南农业大学学报（自然科学版）》2010年第1期45-48,共4页Journal of Yunnan Agricultural University:Natural Science

摘　　要：2008年在云南省曲靖市沾益县的当归[Angelica Sinensis(Qliv.)Diels]田中发现有植株感染根结线虫病。感病植株地上部叶片发黄,叶尖表现出焦枯症状,植株矮小。地下部根畸形,部分肿大,有根结。根据各虫态形态观察,雌虫会阴花纹及酯酶和苹果酸脱氢酶电泳,病原线虫鉴定为为南方根结线虫[Meloidogyneincognita(Kofoid and White,1919)Chitwood,1949]。这是国内首次报道在当归上发现根结线虫病。The root-knot nematode disease on Qujin city, Yunnan. The diseased plants were Angelica sinensis dwarf, yellowing （ Qliv. ） Diels was and withered. There first reported in were many galls on the diseased roots. According to the morphological characteristic, female perineal patterns, electrophoresis of esterase （Est） and malate dehydrogenase （MDH）, the pathogenic nematodes were Meloidogyne incognita （Kofoid and White, 1919） Chitwood, 1949.

关 键 词：当归 南方根结线虫 会阴花纹 酯酶 苹果酸脱氢酶 鉴定 

分 类 号：S435.67[农业科学—农业昆虫与害虫防治]