crown rust


Definition of crown rust

  1. :  a leaf rust of oats and other grasses that is caused by a fungus (Puccinia coronata) and is characterized by rounded light-orange uredinia and buried telia

Circa 1899

First Known Use of crown rust

circa 1899

Seen and Heard

What made you want to look up crown rust? Please tell us where you read or heard it (including the quote, if possible).