leaf blight
Noun
Meaning
any blight causing a browning and falling of the leaves of a plant
Source: WordNetHypernyms
Hyponyms
Examples
At V7, you may start scouting for some of the foliar diseases such as northern corn leaf blight, which is more common in cooler weather, and gray leaf spot.
Fungal infections such as gray leaf spot, northern corn leaf blight, and rust typically do not enter the plant via an injury, but the damage may affect the plant’s ability to resist these diseases.
In addition to the dramatic drop in banana exports caused by the depression, the fruit industry was further threatened by the outbreak in 1935 of epidemics of Panama disease (a debilitating fungus) and sigatoka (leaf blight) in the banana-producing areas.
In tropical areas, spot blotch (also known as Helminthosporium leaf blight) is also important.