Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Historical 5 ment of mildew on peaches. It should be mixed with soap- suds and then applied by dashing it violently against the trees by means of a rose syringe;' thus advocating a rem- edy which, modified, is still prominent for this class of diseases. The aggressiveness of several plant diseases in Europe between 1878 and 1882, particular the downy-mildew upon the grape, which, about 1878, had invaded Europe Fig. 2. — Millardet, 1838-1902, father of the Bordeaux mixture. Professor at the Uni


Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Historical 5 ment of mildew on peaches. It should be mixed with soap- suds and then applied by dashing it violently against the trees by means of a rose syringe;' thus advocating a rem- edy which, modified, is still prominent for this class of diseases. The aggressiveness of several plant diseases in Europe between 1878 and 1882, particular the downy-mildew upon the grape, which, about 1878, had invaded Europe Fig. 2. — Millardet, 1838-1902, father of the Bordeaux mixture. Professor at the Univer- sity of Bordeaux. from America, stimulated a search in the former country for effective spraying mixtures. Trials of many chemicals were made, but it was left to accident to suggest, and to the genius of Millardet, of Bordeaux, France, to perfect, the happy combination of lime and bluestone that we now know as Bordeaux mixture. It was customary in certain vineyards to sprinkle a few rows of grapevines near the road with a mixture of milk of Kme and bluestone to give


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