Definition of leaf spot in English:

leaf spot

noun

  • [mass noun], [usually with modifier] Any of a large number of fungal, bacterial, or viral plant diseases which cause leaves to develop discoloured spots.

    [with modifier] ‘banana leaf spot’
    • ‘Other problems that could be bothersome include mildew, leaf spot, and bacterial blight.’
    • ‘Remove and burn all leaves that show signs of rust or bacterial leaf spot.’
    • ‘Anthracnose, Alternaria leaf spot and Aschochyta leaf spot all are more severe under conditions of high humidity and high temperatures.’
    • ‘If leaves become spotted and drop prematurely, your tree has some bacterial leaf spot; apply copper-based fungicide early in the season.’
    • ‘Resistant to 3 races of bacterial leaf spot, this hybrid has excellent yields and impressive size.’