Rhizoctonia aerial blight
Rhizoctonia solani on Hoya
Identification
Rhizoctonia aerial blight or leaf spot occur primarily in the warmer months when they coincide with high moisture levels. Brown, irregularly-shaped spots form anywhere on foliage or stems. When humidities are high the web-like brown mycelium of the pathogen can cover portions of the plant which are infected.Prevention
Only buy healthy plants,
new or sterilized pots and potting media and
avoid placing plants directly on the ground.
