Rhizoctonia solani
temperature for infection is between 15 and 18 °C, but infection still occurs at 35 °C. Disease is most severe in a moderately wet soil. On the infected plant [...] different AG’s meet, the cells around the fusion site die. To complicate matters further, subgroups can be distinguished within AG’s. The different AG’s are more [...] long believed to be a sterile fungus, but recently it was discovered that the fungus produces basidiospores. These spores don’t play a role in the epidemics