Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
viral condition of certain plants, such aspotato plants andgrapevines , in which newleaves curl and becomediscoloured .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Isolation of cherry leafroll, tobacco ringspot, and tomato ringspot viruses from dogwood trees in South Carolina
xml's Blinklist.com 2008
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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 2008
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However, such furious leafroll spread by grape mealybugs has never happened before, as far as the researchers know.
Media Newswire 2008
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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 2008
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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 2008
Comments
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