A stunt nematode, Tylenchorhynchus thermophilus n. sp., is described and illustrated from soil collected around roots of saltgrass (Distichlis spicata) in Death Valley, California. It is distinguished from the similar species, T. ewingi, T. mexicanus, and T. mashoodi, in having a longer female body, longer tail with more annules, and larger phasmids. Physical and chemical analysis of soil from ...

The effect of Tylenchorhynchus nudus on growth of Kentucky bluegrass was investigated under controlled environmental conditions in both a phytotron and a greenhouse. The nematode significantly reduced weights of clippings, crowns and roots. Pathogenicity was greater in sandy loam soil than in loam and was enhanced by submitting plants to nutrient and/or moisture stresses; soil nutrient level wa...

JAIRAJPURI, M. S. 1971. On Scutylenchus mamillatus lonolaimidae n.rank. Proc. Helminthol. Soc. Wash. 37: (Tobar-Jimenez, 1966) n.comb. Natl. Acad. Sci., India, 68-77. 40th Session, Feb. Vol. 18. Wu, L.-Y. 1969. Three new species of genus TylenSIDDIQI, M. R. 1970. On the plant-parasitic nematode genchorhynchus Cobb, 1913 (Tylenchidae: Nematoda)from era Merlinius gen.n. and Tylenchorhynchus Cobb ...

Influence of Tylenchorhynchus ewingi on growth of loblolly pine seedlings, and host suitability of legumes and small grains Stephen W. FRAEDRICH 1·*, Michelle M. CRAM 2, Zafar A. HANDOO 3 and Stanley J. ZARNOCH 4 1 Southern Research Station, USDA Forest Service Athens, GA 30602, USA 2 Forest Health Protection, USDA Forest Service, Athens, GA 30602, USA 3 USDA Agricultural Research Service, Nema...

The involvement of Tylenchorhynchus clarus in plant disease is reported. Addition of a suspension of surface-axenized nematodes reduced top and root growth of alfalfa. Reproduction of T. clarus was greater at 24 and 27 than at 21 C. The interaction of nematodes with temperature did not produce significant effects on alfalfa growth in the 4.5-mo experimental period. T. clarus fed endo- and ectop...