Damped-off spinach seedlings washed in water to show root symptoms. Note the brown and blackened roots of damped-off seedlings compared to the white root of a healthy seedling.

Damped-off spinach seedlings washed in water to show root symptoms. Note the brown and blackened roots of damped-off seedlings compared to the white root of a healthy seedling.

Photo Source: Lindsey du Toit, Washington State University