. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. 146 DISEASES OF CEOPS. Tscliirch, applying to the outgrowths on the roots of Cucumis. Tschirch {Berichte der Deutschen Botanischen Gesellschaft, Heft 2,1887), in describing the root-tuber- cles found in the Leguminosce, stated that most probably they were storehouses for nitrogenous compounds—these compounds being subsequently used up in the ripening of the seed. On submitting the nodules, roots, etc., of ,^i~^ Fig. 48.—Boot of Chodmbek Infested with one of the Ustilagmese.
. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. 146 DISEASES OF CEOPS. Tscliirch, applying to the outgrowths on the roots of Cucumis. Tschirch {Berichte der Deutschen Botanischen Gesellschaft, Heft 2,1887), in describing the root-tuber- cles found in the Leguminosce, stated that most probably they were storehouses for nitrogenous compounds—these compounds being subsequently used up in the ripening of the seed. On submitting the nodules, roots, etc., of ,^i~^ Fig. 48.—Boot of Chodmbek Infested with one of the Ustilagmese. causing nodnlar ont-growths. (Nat. size.) Cucumis to chemical analysis, the following percentages of albuminoids were obtained :— I. n. ni. Albuminoids (nitrogenous substances) in nodules 20-24 19-96 20-51 „ in roots (without nodules) . . 1-92 2-00 2-06 „ in stems and leaves 3-21 3-24 3-30 Although the analyses appeared to support Tschirch's idea, it was soon discovered by a microscopical study of the roots, that the nodular outgrowths were due to a parasitic fungus belonging to the Ustilaginece, or the same. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Griffiths, A. B. (Arthur Bower), 1859-. London : G. Bell
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Keywords: ., bookauthorgriffith, bookcentury1800, bookdecade1890, bookyear1890
