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中文摘要：
应用形态学、同工酶分析及mtDNA分析等鉴定方法对采自海南岛12个市县的14个茄果类根结线虫进行鉴定,结果发现14个种群中,6个样本为象耳豆根结线虫（Meloidogyne enterolobii）,2个样本为象耳豆根结线虫（M.enterolobii）和南方根结线虫（M.incognita）的混合种群,另外6个样本为常见的南方根结线虫（M.incognita）。所有14个种群中象耳豆根结线虫的数量跟南方根结线虫的种群数量相同,证明象耳豆根结线虫种群已得到进一步扩散,其对海南冬季瓜菜生产特别是茄果类蔬菜的危害日趋严重,应引起广泛注意。
英文摘要：
According to the identification of Plant parasitic nematodes,the root knot nematodes on Solanaceous vegetables collected from 12 cities and counties in Hainan Island were identified by using the methods of morphology,isozyme and mtDNA-PCR.The results showed that there were 6 M.enterolobii populations,6 M.incognita populations,and 2 mixed populations of both the M.enterolobii and M.incognita.In all these 14 populations,the number of the M.enterolobii populations was as many as the M.incognita populations.This proved that the diffusion of M.enterolobii populations was serious.It made more and more damage to the production of winter vegetables especially for solanaceous vegetable in Hainan province.This should be highly concerned.
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