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October 21, 1922

Les Maladies Parasitaires des Plantes.

JAMA. 1922;79(17):1449. doi:10.1001/jama.1922.02640170075037

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This small volume scans the phenomena of phytopathology from a rather unusual point of view, that of general pathology, and seeks to throw light on the actual cause of disease as occurring in both plants and the higher and lower animals. So concise is the writing that a much greater mass of detailed information is recorded than might be expected in so few pages. Forty-three pages are given to the consideration of plant diseases caused by insects and nematodes; twelve pages to those caused by phanerogams; fifty-five pages to those due to fungi, and thirty-one to those caused by bacteria; while twenty-four pages are devoted to the general consideration of parasitic diseases of plants. The general plan is to present for each group, first, a brief enumeration of the principal diseases; the symptoms and mechanism of infection, and the causal organisms. Generalizations are made at the end of each group,

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