leaf scald

Leaf scald is a plant disease that causes foliage to appear burned or scorched. One specific type affects sugarcane, caused by a bacterium (Bacterium albilineans), leading to creamy or grayish streaks and leaf withering. Another related condition, leaf blister, is caused by fungi and results in distorted, swollen leaves that may develop blisters and eventually die. Apple scab, caused by the fungus Venturia inaequalis, produces dark lesions on leaves and fruit, and can lead to premature fruit drop. Sunscald, a type of scorch, occurs due to unfavorable conditions like hot, dry winds or nutrient imbalances, and affects various trees and fruit plants.123456