Phylloxera
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Grape phylloxera is an insect pest of grapevines worldwide, originally native to eastern North America. Grape phylloxera belongs to the family Phylloxeridae, within the order Hemiptera, bugs; original
Dactylosphaera vitifolii MKL Bd. 13 1890
Galls made by D. vitifoliae on leaf of Vitis sp.
Phylloxera nymphs feeding on the roots
François Baco, creator of Baco blanc, was one of many grape breeders to introduce hybrid wine grape varieties in response to the phylloxera epidemic.
Vitis vinifera
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Vitis vinifera, the common grape vine, is a species of flowering plant, native to the Mediterranean region, Central Europe, and southwestern Asia, from Morocco and Portugal north to southern Germany a
Phylloxera
…pale yellow, sap-sucking insects, related to aphids, feed on the roots and leaves of grapevines (depending on the phylloxera genetic strain). On Vitis vinifera, the resulting deformations on roots ("nodosities" and "tuberosities") and secondary fungal infections can girdle roots, gradually cutting off the flow…
Cabernet Sauvignon Gaillac
Grape harvest on Etruscan terracotta from the 6th century BC
Vineyard in Burgundy
Leaves and inflorescences