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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.

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Presentation on theme: "Fusarium crown rot (foot rot) Caused by Fusarium spp. –Same fungus that causes scab Hosts include wheat, barley, oats, corn, grasses."— Presentation transcript:

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

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4 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

5 Fusarium crown rot trials Huntley, 2005 Yield (bu/a) % Yield Variety w/o Fusariumw/ Fusarium reduction Alsen Choteau Explorer Hank ** Knudson McNeal MTO NorPro Outlook Reeder ** An outlier was removed. If included, % yield reduction would be 11.7%

6 Fusarium crown rot trials Huntley, 2005 Durham wheat Yield (bu/a) % Yield Variety w/o Fusariumw/ Fusarium reduction AC Avonlea Ben Kyle Lebsock Maier Monroe Mountrail Utopia Vic Ward ** An outlier was removed. If included, % yield reduction would be 11.7%

7 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

8 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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