| 11. | These sorts, however, have been eradicated by phylloxera.
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| 12. | Uhudler originates from the time of the large phylloxera infestations around 1860.
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| 13. | The phylloxera aphid reached Europe in 1860 and Austria in around 1900.
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| 14. | The vineyards were destroyed in the end of the 1800s by phylloxera.
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| 15. | This winery was ruined by the infestation of Grape Phylloxera.
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| 16. | The practice continues to this day wherever phylloxera is present.
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| 17. | The farmers were also slate miners but phylloxera ended this dual economy.
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| 18. | However, in 1850 wine production collapsed because of phylloxera.
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| 19. | Phylloxera is an aphid that feeds on grapevine roots.
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| 20. | Because of phylloxera damage, the vineyard was replanted after the 1992 vintage.
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