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leaf blight

American  

noun

Plant Pathology.
  1. a symptom or phase of many diseases of plants, characterized by necrotic spots or streaks on the leaves, accompanied by seed rot and seedling blight.

  2. any disease so characterized.


Etymology

Origin of leaf blight

First recorded in 1840–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Disdainful of experts who could have advised them on tropical agriculture, Ford’s men planted seeds of questionable value and let leaf blight ravage the plantation.

From New York Times • Feb. 20, 2017

It also contributed to Southern corn leaf blight, which wiped out one-fourth of American corn in 1970.

From Slate • Jan. 11, 2016

And the scientists discovered that leaves treated with the fecal solution for 24 hours also had reduced growth of a fungus known to cause southern leaf blight disease in corn.

From Science Magazine • Sep. 11, 2015

Dear Frazzled, Just as you’re ready to enjoy the lovely fall foliage, your parents descend on you annually like leaf blight.

From Slate • Sep. 26, 2013

It is deficient in flavor, is too light in color, is subject to leaf blight, and is exceedingly soft.

From Success with Small Fruits by Roe, Edward Payson