Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A viral condition of certain plants, such as potato plants and grapevines, in which new leaves curl and become discoloured.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

leaf +‎ roll

Examples

  • Isolation of cherry leafroll, tobacco ringspot, and tomato ringspot viruses from dogwood trees in South Carolina

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  • "Additional research is urgently needed to help us better understand our observation of rapid spread of leafroll disease in the vineyard."

    Media Newswire

  • However, such furious leafroll spread by grape mealybugs has never happened before, as far as the researchers know.

    Media Newswire

  • Graphs and maps showing the rapid spread of leafroll disease are in the current issue of California Agriculture journal along with a research report about the mysterious development.

    Media Newswire

  • As recently as 20 years ago, viticulturists believed that leafroll disease, which can be caused by several related viruses, was only spread by propagating or grafting diseased vines.

    Media Newswire

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