Distribution of Plant-Parasitic Nematodes in Putting Green Turfgrass in Washington. G. A. Chastagner, Western Washington Research and Extension Center, Washington State University, Puyallup, WA 98371. F. D. McElroy, Peninsu-LAB, 23976 N.E. Newellhurst Court, Kingston, WA 98346. Plant Dis. 68:151-153. Accepted for publication 22 August 1983. Copyright 1984 The American Phytopathological Society. DOI: 10.1094/PD-68-151.

Seventy-two soil samples were collected during 1979 and 1980 in a survey of 30 putting greens located west and six located east of the Cascade Mountains. Species in 10 genera of plant-parasitic nematodes were found in the samples collected west of the Cascades and five genera were found in samples collected east of the Cascades. Helicotylenchus pseudorobustus, Criconemella ornata, C. vandensis, C. rusium, and Paratylenchus nanus were detected most frequently in samples from west of the Cascades. C. ornata and Tylenchorhynchus maximus were detected most frequently in samples from east of the Cascade Mountains. Higher populations of many species were associated with areas of poor-quality turf.