Pacific Northwest Plant Disease Management Handbook

Nematodes

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Latest revision: 
March 2024
Reviewed: March 2023
Image related to Nematodes
Ayoub, 1980.
Image related to Nematodes

Angular lesions are due to the foliar nematode on this Stachys sp.

OSU Plant Clinic collection, 2012.

Generally microscopic tubular worms, usually living free in moist soil, water, and decaying matter, or as parasites of plants and animals.

Pscheidt, J.W., and Ocamb, C.M. (Senior Eds.). 2024 Pacific Northwest Plant Disease Management Handbook.
© Oregon State University.

Use pesticides safely!

  • Wear protective clothing and safety devices as recommended on the label. Bathe or shower after each use.
  • Read the pesticide label—even if you’ve used the pesticide before. Follow closely the instructions on the label (and any other directions you have).
  • Be cautious when you apply pesticides. Know your legal responsibility as a pesticide applicator. You may be liable for injury or damage resulting from pesticide use.

Trade-name products and services are mentioned as illustrations only. This does not mean that the participating Extension Services endorse these products and services or that they intend to discriminate against products and services not mentioned.

H - Home garden packaging commonly available.     O - Acceptable in organic production.