机构地区: 华南农业大学资源环境学院
出 处: 《华中农业大学学报》 2008年第2期193-197,共5页
摘 要: 运用线虫比较形态学、结合同工酶、mtDNA-PCR、rDNA-IGS-PCR技术,对采自中国广东和海南2个省的根结线虫进行鉴定。在海南省定安的木豆(Cajanus cajan)、海南省海口的木豆和番石榴(Psidium guajava)、广东省番禺的辣椒(Capsicum annuum)和南瓜(Cucurbita moschata)及广东省遂溪的豇豆(Vigna sinensis)上发现象有耳豆根结线虫(Meloidogyne enterolobii)。这是首次在海南省外发现象耳豆根结线虫,同时还发现该线虫的2个新寄主,即木豆和南瓜。 Root knot'nematodes collected from Guangdong Province and Hainan Province were identified by using morphology, isozyme, mtDNA-PCR, and rDNA-IGS-PCR. Meloidogyne enterolobii were found to parasitize pigeonpea,guava in Hainan Province and capsicum, pumpkin,cowpea in Guangdong Province. M. enterolobii were firstly found outside Hainan Province. Pigeonpea and pumpkin are the two new hosts for M. enterolobii.