根结线虫在中国的一新纪录种——拟禾本科根结线虫Meloidogyne graminicol

 本文描述了采自海南省三亚市葱(Allium tistulosum)上的拟禾本科根结线虫Meloidogyne graminicola。该种雌虫的会阴花纹多为上下长的卵圆形;线纹细弱,通常平滑连续,但在局部区域骤然出现将线纹截断的短线纹;侧区不明显;侧尾腺口小,相隔很近。雄虫的头冠与头区等宽,头区很低、光滑或有2条不明显的环纹。二龄幼虫的尾相当长,尾透明末端的界限通常明显,尾端细长,末端呈细棍棒状。拟禾本科根结线虫在中国属首次报道,其寄主葱及其所属的百合科为拟禾本科根结线虫寄主植物的新纪录种和新纪录科。

Meloidogyne graminicola, A NEW RECORD SPECIES FROM CHINA

Meloidogyne graminicola was described and illustrated from roots of Allium tistulosum in Sanya, Hainan Province of China.This root knot nematode was characterized by the followings:Female perineal pattern dorsoventrally ovoid to rounded, striae usually fine and smooth, occationally broken by short and irregular striae, phasmids small but distinct, closely spaced. Male head region low and wide, smooth or with two indistinct annules. Second stage juvenile tail with a long and narrow hyaline terminus. The terminus clavate. M.graminicola was a new record species in China. Its host plant Allium tistulosum belongs to Liliaceae that is first reported into the host plant families of M. graminicola.