Sentence examples for grape phylloxera from inspiring English sources

See also grape phylloxera.

They affect more acres than any other soil pest including grape phylloxera.

Following an infestation in 1867 by Phylloxera vitifoliae (grape phylloxera), a parasitic insect that kills grape vines, rootstocks of resistant American grape species were grafted onto European varieties.

The insidious flower bug, Orius insidiosus, is a common North American species that preys on the grape phylloxera and the chinch bug.

And in the 1980s, dependence upon a single type of grapevine root forced California grape growers to replant approximately two million acres of vines when a new race of the pest insect, grape phylloxera (Daktulosphaira vitifoliae, shown at right) attacked in the 1980s.

Galls frequently seen on foliage include aphid leaf galls, caused by the grape phylloxera Phylloxera vitifoliae; the leaf petiole gall of poplar, caused by the aphid Pemphigus populitransversus; and the elm cockscomb gall on elm leaves, caused by the aphid Colopha ulmicola.

The original vineyards failed, falling victim to the omnipresent grape louse, phylloxera.

This study clearly shows that putative expansin genes are involved in grape root phylloxera-interaction, with up- as well as down-regulated genes.

The main culprit, Mr. Martinson said, was an American grape louse called phylloxera, which devoured the unaccustomed roots.

Rootstocks are used routinely in viticulture for the properties they confer to a scion or the fruit bearing portion of the plant, such as vigor and drought resistance, as well as a resistance to the grape insect pest, phylloxera (Daktulosphaira vitifoliae), making them vital in most wine growing regions.

It was the dominant red grape of Provence until phylloxera struck in the late 19th century, and it all but disappeared.