black shank

noun

Definition of black shank

: a disease of tobacco caused by a fungus (Phytophthora parasitica nicotianae) and producing a black rot of the stem, brown blotches on the leaves, and damping off of seedlings

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Cite this Entry

“Black shank.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20shank. Accessed 6 Dec. 2021.

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