Pacific Northwest Insect Management Handbook

Small grain-Slug

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Management-chemical control

  • iron phosphate (Sluggo Maxx) at 0.1 to 0.46 lb ai/A. PHI 21 days for grain or straw, 3 days for forage, fodder or hay. Retreatment interval 4 days. Some formulations OMRI listed for organic use.
  • liquid metaldehyde(slugfest) at 0.97 lb ai/A. Apply prior to formation of seed head. Retreatment interval 14 days. Limit 2 treatments per year. Wheat only.
  • metaldehyde baits (Slug X) at 0.4 to 1 lb ai/A. Retreatment interval 14 days. Wheat only.
  • sodium ferric EDTA (Ferroxx) at 0.25 to 1 lb ai/A. Barley, oat, rye, and wheat.

Kaur, N. (Ed.). 2025 Pacific Northwest Insect 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.