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单词 ring spot
释义

ring spot

noun

1
: any of various plant diseases caused by viruses (genus Nepovirus of the family Comoviridae) and marked by circular lesions of usually chlorotic or necrotic tissue
2
: a turf disease caused by an ascomycetous fungus (Leptosphaeria korrae synonym Ophiosphaerella korrae) and marked by circular patches or rings of dead grass

Word History

First Known Use

1913, in the meaning defined at sense 1

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更新时间:2025/1/9 7:12:01