Rhizoctonia Crown & Root Rot
Rhizoctonia solani
Diseases
Susceptible crops
Affects all turfgrass, Aster, Celosia, Chrysanthemum, Coreopsis, Delphinium, Dianthus, Gaillardia, Gomphrena, Hosta, Iberis, Candytuff, Impatiens, Marigold, Phlox, Poinsettia, Pothos, Salvia, Sedum, Snapdragon, Verbena
Symptoms
- Dry, sunken cankers develop on the lower stem at the soil line
- Infection causes wilting, leaf yellowing and often plant death as plants collapse