Wheat Diseases in Ohio

Septoria blotch

• Symptoms
  • leaf blotches with dark brown borders, gray centers with black fungal bodies
• Environment
  • wet weather from mid April to Mid May
  • 60 - 68°F
  • rain 3-4 days each week
• Survival
  • overwinters on residue
  • rain splashed to leaf surfaces
• Management
  • seed treatment
  • plant less susceptible varieties
  • crop rotation
  • balanced fertility
  • fungicide timing  and efficacy
• Scouting