Potato Leaf Late Blight. The early blight is first observed on the plants as small, black lesions mostly on the older foliage. Early blight, late blight, and healthy potato leaf images for ai classification.
Late blight of potato is a serious disease caused by phytophthora infestans. Late blight (phytophthora infestans) is the devastating water mold disease that caused the irish potato famine in the 1840s.