Soybean Diseases in Ohio

Bacterial blight

Pseudomonas syringae pv. glycinea

• Symptoms
  • yellow to light brown spots that are very small and angular
  • centers dry out surrounded by yellowish-green border
  • older lesion drop out or tear giving ragged appearance
• Environment
  • cool ,wet weather (rain & dew)
• Survival
  • seedborne
  • crop residue
• Management
  • select resistant cultivars
• disease free seed
• crop rotation