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Foliage damage caused by Daktulosphaira vitifoliae (Fitch) was recorded on 23 commercial wine grape cultivars and on wild grapevines, Vitis riparia Michx, in Erie County, Pa., from 1971–75. Wild grapevines sustained the heaviest foliage damage from grape phylloxera. Commercial cultivars sustaining the heaviest foliage damage were ‘Aurora’, ‘Cascade’, ‘Chancellor’, ‘Rayon D’Or’, ‘Seyval’, and ‘Villard Blanc’.
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Gerald L. Jubb (1976) studied this question.
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