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Evaluation of Turfgrass Phytonematode Population Distributions on a New York State Putting Green 2000

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Principal Investigator: Karen L. Snover, Director, Plant Disease Diagnostic Clinic, Department of Plant Pathology, Cornell University, Ithaca, NY 14853

Collaborator(s): D. Cord Ozment, CGCS, Superintendent, Country Club of Ithaca, 189 Pleasant Grove Road, Ithaca, NY 14850

Objectives of the Project:

  1. Determine the identity and distribution of genera of plant parasitic nematodes across a New York State putting green.
  2. Track the level and distribution of plant parasitic nematode populations through the growing season.


The overall population levels detected were lower than expected. The April collection date produced samples with relatively low population levels for all the plant parasitic and free-living nematodes observed. Low levels were expected at this time due to the cold temperature and continued dormancy of the turfgrass. The spring and summer were extremely wet which should have created ideal conditions for population expansion of the various nematodes.