
Soybean
Diseases in Ohio
Charcoal rot
- Symptoms
- irregular areas
of wilting or premature death of plants from drought stress
- later in season
grayish-black root and lower stem discoloration
- Environment
- Survival
- fungus can survive
in the dry soil for 2 years or longer
- infection occurs
early in the season
- soil populations
increase in continuous soybean fields
- Management
- crop rotation
- reduce seeding rates
- maintain adequate
fertility
- Scouting
