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Pierce's disease |
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Pierce's disease [′pirs·əz di‚zēz] (plant pathology) A virus disease of grapes in which there is mottling between the veins of leaves, early defoliation, and early ripening and withering of the fruit. 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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| ? Mentioned in | ? References in periodicals archive | |
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| Pierce's disease had long been present in California's wine grape crops, but growers had it under control until the sharpshooter - with its voracious thirst - started feeding on vines and, in the process, transmitting the xylella fastidiosa bacteria. In the 13 July 2000 issue of Nature, a network of Sao Paulo research centers published for the first time the genetic sequence of the bacterium Xylella fastidiosa, which plagues about one-third of orange crops in Sao Paulo, causing losses of US$100 million annually. |
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