GENERAL INDEX

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  • Pyrogallol, 91
  • Raulin’s solution, 49
  • Reproduction of poisoned plants, 40
  • Silver nitrate, 22
  • Sodium chloride, 20, 44
  • hydroxide, 22
  • nitrate, 4
  • Sterile cultures, 24
  • Stimulation, by injection of copper solutions, 31
  • by small doses of poisons, 2
  • definition of, 2
  • local, 47
  • of Aspergillus niger, 50
  • of fungi by copper, 34
  • of plants by arsenic, 61
  • of plants by boron, 73
  • of plants by copper (negative), 28
  • of plants by manganese, 84
  • of plants by zinc, 45–47
  • physiological considerations of manganese, 90
  • Strontium sulphate, 5
  • Sugar, 22, 31, 48, 49, 50, 68
  • Sulphur, flowers of, 10
  • Thymol, 22
  • Toxic action, effect of arsenic, 52
  • effect of boron, 67
  • effect of copper, 17
  • effect of light on, 44
  • effect of manganese, 81
  • effect of zinc, 38
  • equivalent, 18
  • limits of plant poisons, estimation of, 26
  • Toxicity, of nutrient salts, 1
  • of organic compounds, 4
  • of poisons, cause of, 22
  • of positive ions in copper compounds, 19, 22
  • reduction of, 39, 44
  • reduction of, by carbon black and ferric hydrate, 23
  • reduction of, by insoluble substances, 22
  • Toxin and nutrient, distinction between, 3
  • Transmission of power of resistance, 72
  • Valency, effect on toxicity, 44
  • Vanillin, 4
  • Variation in results on different substrata, 24
  • Zinc, absorption by roots, 42
  • carbonate, 38, 42, 43
  • effect of, on lower plants, 48
  • effect of, on plant and soil, 41
  • fixation of, 49
  • mode of action on plants, CAMBRIDGE AGRICULTURAL MONOGRAPHS

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    FOOTNOTES:

    [1] This idea of a selectivity of the roots has been recently revived by Colin and Lavison (1910) who found that when peas were grown in the presence of barium, strontium or calcium salts no trace of barium could be found in the stem, strontium only occurred in small quantities, while calcium was present in abundance. They concluded that apparently salts of the two latter alkaline metals could be absorbed by the roots and transferred to the stem and other organs, but that this is not the case with salts of barium. They obtained similar results with other plants, beans, lentils, lupins, maize, wheat, hyacinth. Their proof is not rigid, and exception could be taken to it on chemical grounds.
    [3] These are “grains of Paradise,” Guinea grains, or meleguetta pepper. They are the seeds of Amomum melegueta and A. Granum-Paradisi, N.O. Zingiberaceae.
    [4] The English translation in Just’s Bot. Jahresber. speaks only of a “solution of copper,” and in no case is the specific compound mentioned.
    [5] 44 mg. ZnSO4.7H2O = 10 mg. Zn = 1/22,727 ZnSO4.7H2O approx.
    [6] This is equivalent to about ·1% of poison.
    [7] m probably = gram molecular weight.
    [8] 0µ gr., 1 = 0·0001 mg.
    [9] 30 grams arsenious acid to 30·7 “cubik Decimeter” soil = about ·1%.
    [10] In the present state of our knowledge such a concentration seems relatively strong!
    [11] The exact compound is not specified in the abstracted paper, 1/10001/100% Natr. Ars. being given.
    [12] According to Engler’s classification this plant belongs to N.O. Myrsinaceae.
    [13]Il apparaÎt donc que les graines fournies par des plantes ayant crÛ en prÉsence d’une quantitÉ de bore ÉlevÉe prÉsentent une accoutumance vis-À-vis de cet ÉlÉment; les plants auxquels elles donnent naissance semblent non seulement faire un meilleur emploi des petites doses de bore qui leur sont offertes, mais encore supportent les doses toxiques plus facilement que les plants tÉmoins, issus de graines non accoutumÉes.
    [14] As no analysis of the mineral is given it is obviously impossible to say to what constituent the increase is due in this case.

    Transcriber’s Notes:

    Missing periods and parentheses have been supplied where obviously required. All other original errors and inconsistencies have been retained, except as follows (the first line is the original text, the second the passage as currently stands):

    • Page 37:
      total ash, (006% of the air dried plant).
      total ash, (·006% of the air dried plant).
    • Page 76:
      in until 5 gms. boric acid
      in until 5 gm. boric acid
    • Page 97:
      Vorkommen von Iod in ThierkÖrper.
      Vorkommen von Iod im ThierkÖrper.
    • Page 98:
      Colin, H. and Lavison, J.
      Colin, H. et Lavison, J.
    • Page 100:
      Pot Experiments to determine the
      Pot experiments to determine the
    • Page 101:
      Zusammensetzung von Molinia coerulea
      Zusammensetzung von Molinia cÆrulea
    • Page 101:
      Hiltner, L. and Gentner, G.
      Hiltner, L. und Gentner, G.
    • Page 101:
      Nahrungsmittel Hyg. Waar. IX, 1-4.
      Nahrungsmittel Hyg. War. IX, 1-4.
    • Page 102:
      Nahrungs- und Genus-mittel, IV, 489–92.
      Nahrungs- und Genusmittel, IV, 489–92. (1901)
    • Page 102:
      Bestandtheile der RÜbensache. Ber.
      Bestandtheile der RÜbenasche. Ber.
    • Page 102:
      Calcium- und Magnesium-salze im
      Calcium- und Magnesiumsalze im
    • Page 105:
      das Vorhandsein von Arsen
      das Vorhandensein von Arsen
    • Page 105:
      der Pflanzen-production. Casopis pro prumsyl chemicky,
      der Pflanzenproduction. Casopis pro prumysl chemicky,
    • Page 107:
      Fungi
      Fungi
      Cu, 33;
    • Page 110:
      Photosynthesis, effect of copper on, 32
      Photo-synthesis, effect of copper on, 32
    • Footnote 4:
      in Just Bot. Jahresber.
      in Just’s Bot. Jahresber.




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