a disease of plants, esp. potatoes, celery, etc., characterized by spotting, blighting, and withering or decay of the entire plant, caused by any of several fungi, as Phytophthora infestans or Septoria apii
Word origin
[1900–05]
Examples of 'late blight' in a sentence
late blight
Spores of late blight do not survive the winter on rotting plant material, so you can compost everything.