Rhizoctonia Solani, black scab or stem canker (RHIZSO) Rhizoctonia solani in Potato Crops. Part I Introduction to Disease, Classification, Symptoms and Pathogen Cycle. 1. Introduction From Biocontrol Technologies we are back with a new blog to talk about one of the fungal pathogens that most impact agriculture: Rhizoctonia spp. We will focus especially on potato, […]