Wheat Disease Identification Guide - University of Idaho Extension ...

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Diseases affecting lower stem and rootsDiseases affecting lower stem and rootsFusarium root, crown, and foot rotsFusarium root, crown, and foot rots cause patches ofwheat to die prematurely, resulting in areas of whiteheads within a field. Infected plants are typically brownat the base and have poor root development. Duringadvanced stages of the disease, the Fusarium fungusoften produces a pink, cottony growth inside the lowerportions of the stem. Often, the disease is most severeafter prolonged periods of dry weather.Management: Crop rotation, control grassy weeds.20
Take-allThis fungal disease causes wheat to die prematurely,resulting in patches of white heads in otherwise greenfields of wheat. Plants infected by take-all normallyhave a black discoloration of the lower stem and roots.Frequently, the disease is most severe in wet areas of afield and near field edges where the fungus survives inassociation with grassy weeds.Management: Crop rotation, control grassy weeds.Diseases affecting lower stem and roots21
Page 2: ContentsDiseases affecting heads an
Page 8: Disease affecting leavesBacterial s
Page 11 and 12: Powdery mildewPowdery mildew causes
Page 13 and 14: Stagonospora nodorum blotchThe lesi
Page 15 and 16: Stripe rustStripe rust causes yello
Page 17 and 18: Wheat soilborne mosaicWinter wheat
Page 19 and 20: Wheat streak mosaicLeaves of plants
Page 21: Common root rotCommon root rot caus

Wheat Disease Identification Guide - University of Idaho Extension ...

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