- any imperfect fungus of the genus Botrytis, having the conidia in grapelike bunches: a major cause of plant disease.
- noble rot.
Origin of botrytis
< New Latin (1832) < Greek bótry(s) bunch of grapes + New Latin -(ī)tis -itis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for botrytis
Species of Mucor, Botrytis, and other fungi, may also be met with.Disease in Plants
H. Marshall Ward
The Botrytis infestans, "attacks the leaves and stems of potatoes."
Snowdrops are sometimes attacked with a kind of mildew known scientifically as Botrytis galanthina.Beautiful Bulbous Plants
They were covered with mould, consisting chiefly of a species of Mucor, and one also of Botrytis or Botryosporium.
The final or culminating cause of the disease known as the "potato-rot" is Botrytis (peronospora) infestans.The $100 Prize Essay on the Cultivation of the Potato; and How to Cook the Potato
D. H. Compton and Pierre Blot
- any of a group of fungi of the genus Botrytis, several of which cause plant diseases
- winemaking a fungus of this genus, Botrytis cinerea, which causes noble rot
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