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Plant Injury from Phosphorus-32


IT has been generally considered, on the basis of the work reported by Hendricks and Dean1, that a sufficient margin of safety exists in the tolerance of the plant to radioactivity to permit the use of phosphorus-32 as a tracer in phosphate experiments without fear of any effects on plant growth from the radioactive isotope. The recent communication by Scott Russell and Martin2, indicating an injurious effect, suggests that a danger exists which requires further study.

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  1. Hendricks, S. B., and Dean, L. A., Auburn Conference on Use of Radioactive Isotopes, 76 (Edwards Brothers, 1948).

  2. Scott Russell, R., and Martin, R. P., Nature, 163, 71 (1949).

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  3. Spinks, J. W. T., Dion, G., Reade, M., and Dehm, J. E., Sci. Agr., 28, 309 (1948).

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DION, G., BEDFORD, C., ST. ARNAUD, R. et al. Plant Injury from Phosphorus-32. Nature 163, 906–907 (1949).

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