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halo blight

American  

noun

  1. a disease of plants, characterized by small, necrotic leaf or fruit lesions surrounded by a yellowish, halolike band, caused by any of several bacteria of the genus Pseudomonas.

Etymology

Origin of halo blight

First recorded in 1915–20

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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