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black shank

American  

noun

Plant Pathology.

  1. a disease of tobacco, characterized by wilting and by decayed, blackened roots and stems, caused by a fungus, Phytophthora parasitica nicotianae.

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Granville wilt bacteria and black shank disease are constant enemies kept at bay by rotating plots and application of a fumigant called telone gas that can cost $100 an acre.

From Washington Times

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.