Wheat Diseases in Ohio

Take-all

• Symptoms
  • black scurfy mold on lower stems and roots
  • early death of plants
• Environment
  • cool, moist soil October-November and again in April-May
• Survival
  • soil-borne fungus survives on residues
  • runner hyphae grow from residue to roots
• Management
  • crop rotation
  • control grassy weeds
  • balanced fertility
  • use ammonium forms of N for spring top dress
  • avoid early planting
• Scouting