noun
sooty mold; meliola; leaf spot
A plant disease caused by fungi that grow on honeydew excreted by insects, forming a black, soot-like coating on leaves and stems. The term covers both the symptom and the fungal group (Meliolaceae).
カイガラムシが発生すると、葉にすす病が広がることがある。
When scale insects appear, sooty mold can spread on the leaves.
すす病は、アブラムシの排泄物にカビが生えることで起こる。
Sooty mold occurs when mold grows on aphid excrement.
Compound of すす (soot) and 病 (disease), describing the black, soot-like appearance on affected plants.