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Fusarium crown rot (foot rot)

Fusarium crown rot (foot rot). Caused by Fusarium spp. Same fungus that causes scab Hosts include wheat, barley, oats, corn, grasses. Fusarium crown rot history. Ubiquitous; probably present in the original prairie soil infecting native grasses Early 1900s H.L. Bolley “wheat-sick soil”

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Fusarium crown rot (foot rot)

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  1. Fusarium crown rot(foot rot) • Caused by Fusarium spp. • Same fungus that causes scab • Hosts include wheat, barley, oats, corn, grasses

  2. Fusarium crown rot history • Ubiquitous; probably present in the original prairie soil infecting native grasses • Early 1900s H.L. Bolley “wheat-sick soil” • Campaign across ND to use good seed and practice rotation • Posters in store windows

  3. Yield loss from Fusarium crown rot • Long-term annual estimates of yield loss in Saskatchewan and Manitoba • 5-6% spring wheat • 11% barley • North Dakota estimates were similar, 9.5% yield loss for durham

  4. Fusarium crown rot trialsHuntley, 2005 **An outlier was removed. If included, % yield reduction would be 11.7%

  5. Fusarium crown rot trialsHuntley, 2005 Durham wheat **An outlier was removed. If included, % yield reduction would be 11.7%

  6. Future: Fusarium crown rot control • Seed treatment • Late seeding • Don’t over-fertilize • Crop rotation to non-host: DON’T PLANT CORN!!! • Plant tolerant varieties

  7. Fusarium crown rot(foot rot) • Caused by Fusarium spp. • Same fungi that cause scab • F. graminearum, F. culmorum, F. pseudograminearum • Hosts include wheat, barley, oats, corn, grasses • Residue-borne • Seed-borne Stress

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