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The remedy abroad is also ours to plant varieties which are phylloxera-proof, or nearly so. Fortunately we have many which defy this pestiferous little root-louse, and European vine-growers have been importing them by the million. They are still used chiefly as stocks on which to graft varieties of the vinifera species.
Professor Berlese of Italy, and Dr. Reh, of Germany, will attempt the introduction into Europe of some of the parasites of injurious insects which occur in the United States, and particularly those of the woolly root-louse of the apple, known in Europe as the "American blight" one of the few injurious insects which probably went to Europe from this country, and which in the United States is not so injurious as it is in Europe.
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