Wheat Diseases in Ohio

Leaf rust

• Symptoms
  • rusty red pustules scattered over leaf surface
• Environment
  • light rain, heavy dew
  • 66-77°F
  • 6-8 hr leaf wetness for germination and infection
• Transmission
  • uredospores blown up from southern wheat regions
  • may overwinter in the state during mild winters
• Management
  • resistant varieties
  • balanced fertility
  • fungicide timing and efficacy
• Scouting