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单词 stem rust
释义

stem rust

noun

1
: a rust attacking the stem of a plant
especially : a destructive disease especially of wheat caused by a rust fungus (Puccinia graminis) which produces reddish-brown lesions in the uredospore stage and black lesions in the teliospore stage and has any of several plants of the barberry family as an intermediate host
2
: the fungus causing stem rust

Example Sentences

Recent Examples on the Web Borlaug landed in the valley in the 1940s as an agricultural adviser for the Rockefeller Foundation while the farmers around him were beset by a fungus known as stem rust. Washington Post, 22 Dec. 2021

Word History

First Known Use

1899, in the meaning defined at sense 1

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更新时间:2025/1/24 13:05:30