Discard infected plants. Pythium Root Rot Plants have a gray color or are yellowed, stunted, and wilted. Roots are brown and rotted. Plant in pathogen-free pasteurized potting mix. Rhizoctonia Blight Brown, irregularly shaped spots form on the foliage close to the crown or sometimes at the top.
Spots spread very rapidly.
Webbing of the fungus forms from frond to frond. Rhizoctonia solani Plant in pathogen-free pasteurized potting mix. Apply chlorothalonil, fludioxonil, flutolanil, or mancozeb as a spray.