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Common root rot (wheat)

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Common root rot is a disease of wheat caused by one or more fungi. Cochliobolus sativus, Fusarium culmorum and F. graminearum are the most common pathogens responsible for common root rot.[1]

Symptoms

Small, oval, brown lesions on the roots, lower leaf sheath and subcrown internode. As the disease progresses, lesions may elongate, coalesce and girdle the subcrown internode and may turn from brown to nearly black.

Crop losses

Losses in potential yield from common root rot of wheat were estimated at 5.7% annually over the 3-year period 1969–71 in the Canadian prairie provinces and at 7% annually over the 10-year period 1968–78 ub Saskatchewan, Canada.[2]

References

  1. ^ Wiese, M.V. (1987). Compendium of wheat diseases. American Phytopathological Society. pp. 124 pp.
  2. ^ Martens, J.W.; W.L. Seaman; T.G. Atkinson (1984). Diseases of field crops in Canada. Canadian Phytopathological Society. pp. 160 pp.


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