Definition
Leaf blight is the relatively sudden, severe, and extensive spotting, discoloration, wilting, or destruction of leaves.
Late blight of potato (Solanum tuberosum) leaf, caused by the Stramenopiles plant pathogen, Phytophthora infestans. |
 Leaf blight of taro (Colocasia esculenta) caused by the Stramenopiles plant pathogen, Phytophthora colocasia. |
Leaf blight is the relatively sudden, severe, and extensive spotting, discoloration, wilting, or destruction of leaves.