Evaluation of Fungicides for Control of Pythium Blight in Overseeded Turfgrasses Using a Simple Field Inoculation Technique

Fig. 3A. Patch of necrotic tissue and hyphae developing in an untreated control plot within outline of plastic box



Image from Plant Health Progress article:
Evaluation of Fungicides for Control of Pythium Blight in Overseeded Turfgrasses Using a Simple Field Inoculation Technique