Rhizoctonia solani
known as Rhizoctonia solani , the vegetative stage. It was long believed to be a sterile fungus, but recently it was discovered that the fungus produces [...] scab). Symptoms may differ between crops. On the diseased areas, sclerotia can be seen, but they vary in size and colour and are therefore not a good feature [...] cells around the fusion site die. To complicate matters further, subgroups can be distinguished within AG’s. The different AG’s are more or less specific to