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Phylloxera



Phylloxera, louse resembling an aphid that is a serious pest in vineyards. In North America, where phylloxera originated, the native grapes are resistant to it, but when it was imported into Europe in the middle of the 19th century this insect nearly caused disaster in some of the most famous wine-making regions. The problem was solved by grafting plants onto American grape rootstocks.



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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Pennsylvania Dutch to Pima