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aster yellows |
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aster yellows [′as·tər ′yel‚ōz] (plant pathology) A widespread virus disease of asters, other ornamental plants, and many vegetables, characterized by yellowing and dwarfing; leafhoppers are vectors. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Several hundred different phytoplasmas are known to target plants, causing such diseases as witches' broom and aster yellows. |
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