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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
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
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
yield loss from fusarium crown rot
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
fusarium crown rot trials huntley 2005
Fusarium crown rot trialsHuntley, 2005

**An outlier was removed. If included, % yield reduction would be 11.7%

fusarium crown rot trials huntley 2005 durham wheat
Fusarium crown rot trialsHuntley, 2005 Durham wheat

**An outlier was removed. If included, % yield reduction would be 11.7%

future fusarium crown rot control
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
fusarium crown rot foot rot1
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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