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根据雌虫形态、对从四川的苹、梨和桃树根部采到的３种根腐线虫鉴定为Ｐｒａｔｙｌｅｎｃｈｕｓｇｉｂｂｉｃａｕｄａｔｕｓ．Ｐ．ｓｔｕｐｉｄｕｓ和Ｐ．ｔｙｐｉｃｕｓ，均为我国植物线虫新纪录。
According to the female form, three kinds of root-rotted nematodes collected from the roots of pears, pears and peaches in Sichuan were identified as Pratylenchus gibbicaudatus. P. stupidus and P. typicus, are new records of plant nematodes in China.