Pythium Root Rot of Flue-Cured Tobacco Seedlings Produced in Greenhouses: Factors Associated with its Occurrence and Chemical Control

Fig. 1 (F). Infected seedlings with few roots, and inadequate size to be transplanted to the field.



Image from Plant Health Progress article:
Pythium Root Rot of Flue-Cured Tobacco Seedlings Produced in Greenhouses: Factors Associated with its Occurrence and Chemical Control