Root Rot
Pythium spp., Rhizoctonia solani, Thielaviopsis basicola

• Leaves turn yellow to tan and wilt
• Plants may be stunted
• The base of the stem may turn brown and crack
• Roots have brown to black sunken areas and lack root hairs
• The outer root tissue may be easily removed leaving behind thin, stringy root cores
• Lab test necessary to determine which pathogen is causing root rot
• More information on Pythium root rot
• More information on Rhizoctonia root rot
• More information on Thelaviopsis root rot