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单词 black rust
释义

black rust


noun Plant Pathology.

any of several diseases of plants caused by rusts and characterized by black discoloration resulting from the fungal teliospores.

Origin of black rust

An Americanism dating back to 1780–90

Words nearby black rust

black root rot, black rot, black ruff, black run, Black Russian, black rust, black sage, black sapote, Black Sash, Blacksburg, black scoter
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for black rust

black rust

noun

a stage in any of several diseases of cereals and grasses caused by rust fungi in which black masses of spores appear on the stems or leaves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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