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Rhizoctonia Diseases

Caused by: Thielaviopsis basicola,

Fungal
Symptoms

Damping-offThis soil fungus, along withPythiumspecies andThielaviopsis basicola,can sometimes cause damping-off of lettuce. Seedlings may be killed before or just after emergence. Infected seedlings exhibit decayed roots and brown lesions on stems. When seedlings are infected, the stem tissue collapses and plants fall over and die.Bottom rotIn some regions, particularly the San Joaquin Valley and desert areas,R. solaniinfects lettuce plants as the heads begin to form.Brown, sunken lesionsform on

Treatment Options

Treatment information coming soon.

Prevention Strategies

Prevention tips coming soon.

Quick Facts

Type

Fungal

Pathogen

Thielaviopsis basicola,

Prevention is Key

Many diseases can be prevented with proper cultural practices.

Companion Planting