The First Record on Meloidogyne marylandi JEPSON and GOLDEN, 1987 from Zoysia spp. in Japan

Abstract

A root-knot nematode population originating from soil around Zoysia matrella and reproduced on Panicum crus-galli in Kyushu, Japan is identified as M. marylandi. This population has small and round perineal pattern consisted of coarse and broken striae, stylet length of 13.9 μm and excretory pore located at about the level of stylet knob in female, hemizonid located posterior to excretory pore, dilated rectum, body length of 392 μm, tail length of 64 μm, c-value of 6.2, hyaline tail length of 12.3 μm, stylet length of 12.9 μm and distance from dorsal gland orifice to the base of stylet of 2.5 μm in second-stage juvenile. These are fairly coincided with that of M. marylandi. This is the first record of the species from Japan. Jpn. J. Nematol. 22: 49-52 (1992).