black knot

noun Plant Pathology.

a disease of plants, especially of plums and cherries, characterized by black knotlike overgrowths on the branches, twigs, etc., caused by a fungus, Dibotryon morbosa.

Origin of black knot

An Americanism dating back to1835–45

Words nearby black knot

Black Isle, blackjack, black japan, black kite, black knight, black knot, black land, black lead, blackleg, black letter, black-letter day

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for black knot

The fungus is also related to the black-knot fungus on the plum, but its life-history is not yet known.
Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting|Various
The branches are very liable to disfigurement by the black-knot and the foliage by the tent-caterpillar.
Handbook of the Trees of New England|Lorin Low Dame
Happily, black-knot may be controlled by cutting out the diseased wood.
The Cherries of New York|U. P. Hedrick

British Dictionary definitions for black knot

black knot

noun

a fungal disease of plums and cherries caused by Dibotryon morbosum, characterized by rough black knotlike swellings on the twigs and branches

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

单词	black knot
释义	black knot noun Plant Pathology. a disease of plants, especially of plums and cherries, characterized by black knotlike overgrowths on the branches, twigs, etc., caused by a fungus, Dibotryon morbosa. Origin of black knot An Americanism dating back to1835–45 Words nearby black knot Black Isle, blackjack, black japan, black kite, black knight, black knot, black land, black lead, blackleg, black letter, black-letter day Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for black knot The fungus is also related to the black-knot fungus on the plum, but its life-history is not yet known. Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting\|Various The branches are very liable to disfigurement by the black-knot and the foliage by the tent-caterpillar. Handbook of the Trees of New England\|Lorin Low Dame Happily, black-knot may be controlled by cutting out the diseased wood. The Cherries of New York\|U. P. Hedrick British Dictionary definitions for black knot black knot noun a fungal disease of plums and cherries caused by Dibotryon morbosum, characterized by rough black knotlike swellings on the twigs and branches 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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