Word: rootstock
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Phylloxera can be stymied by regrafting grape buds onto resistant varieties of rootstock. No such defense is available against PD. The sharpshooter aphids attack the moisture-carrying vessels of vines and can kill them off in a year. Particularly vulnerable are vineyards near lakes and rivers, where the bug lives, since spraying with pesticides is banned because of the danger to fish and water. In case of a sharpshooter onslaught, says viticulturist Jim Wolpert of the University of California at Davis, a grower's only recourse is to "yank the vines and start over...
...leading species, origanally cultivated in the Mediterranean basin, that is responsible for all the world's great wines. Even in Europe, however, vinifera vines are grafted on the hardy rootstock of native American Vitis labrusca and Vitis rotundifolia...
...this scene, every midmorning, arrives the Buffalo Evening News's editor, Alfred Henry Kirchhofer-an austere, bony-cheeked man of 67 in rimless glasses and a dark blue suit. He looks much like Woodrow Wilson, a resemblance not fancied by Kirchhofer, who, like his paper, is a lifelong, rootstock Republican. Two feet six inches away from Kirchhofer's desk a visitor's chair is bolted to the floor; that is as close as Kirchhofer wants anyone to approach. Before long a flurry of blue memos pours from his desk to every department. Sensing the news possibilities...
Among the most elaborate trapping mechanisms is that of the Dionaea (Venus's-flytrap). Indigenous to North and South Carolina, the Dionaea is a rosette of leaves, three to six inches across, rising from a rootstock more or less horizontally. The upper part of the leaf consists of two dished lobes whose outer margins have a row of coarse teeth. The plant appears to have been discovered by Colonial Governor Arthur Dobbs of North Carolina...
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