. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. 1708 SPRAYING Illinois; William Sauu- , iintu: . I'aii.: .T. S. Woodward, Lock- y •. 1^ \ „s. Walworth, N. Y.; -t twenty-five years that an effective method has been devised for their treatment. Al though kerosene has been recommended and used to
. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. 1708 SPRAYING Illinois; William Sauu- , iintu: . I'aii.: .T. S. Woodward, Lock- y •. 1^ \ „s. Walworth, N. Y.; -t twenty-five years that an effective method has been devised for their treatment. Al though kerosene has been recommended and used to some extent for thirty-five oi more years, it was not until Cook recom mended kerosene in the form of a soap and water emulsion that a desirable, eas ily prepared oily insecticide was found. About the same time. Dr. Riley, with Mr. Hubbard, of the Department of Agricul- ture at Washington, recommended the use of what is now known as the Riley-Hub- liard formula. The potato bug invasion and the dis- covery of the efScacy of Pnri« irrfon in de- stroying leaf-eating iiisirt^ Mid ;i ;.^reat deal to stimulate sprnviii-. Inn dn.' .ii'ilit ""• should be given ]i:,,,:;ists for Splint broom tracing the life-histories of uiuuy fungi sp'tS" destructive to cultivated plants. '. - Fungicides.—'Earlj in the eighties dis- vfce eases of grape-vines threatened the ex- tinction of French vineyards. The situa- tion engaged the attention of French investigators. Notable among them were Professor A. Millardet and his co-workers of the Academy of Science, Bordeaux, Prance. He, with others, discovered partly by acci- dent and partly by experiment that solutions of cop- per prevented the development of downy mildew. After much experimentation, "bouillie Bordellaise " was found to be effective in preventing the growth of downy mildew and other plant parasites infesting the grape in that region. The announcement was definitely made in 1885. The following ye
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Keywords: ., bookcentury1900, bookdecade1900, booksubjec, booksubjectgardening
