Young root infection showing yellowish-brown internal discoloration. Roots infected at the distal end, resulting in a tip rot. Symptoms Figure 5. Roots showing internal discoloration at the tip of the taproot. Beets infected with A. cochlioides that have recovered.
Latent infection is seen as the scabby, superficial lesions on roots.
Permanent wilting of plant infected by Rhizoctonia solani leading to Rhizoctona root rot. Discrete lesions on root caused by R. solani. More advanced infection caused by R. solani. Lesions have coalesced to form larger areas of necrosis. Note the cracks in the root often associated with Rhizoctonia root rot.