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ring spot

American  

noun

Plant Pathology.
  1. any of various plant diseases caused by a virus or fungus and characterized by concentric rings of discoloration or necrosis on the leaves.


Etymology

Origin of ring spot

First recorded in 1905–10

Example Sentences

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In plants used for landscaping, two of the most common viruses are peony ring spot and rose mosaic virus.

From Textbooks Jun. 9, 2022

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