Uptake of Phosphorus-32 by Mycorrhizal Plants

Letter Published: 25 September 1954 Uptake of Phosphorus-32 by Mycorrhizal Plants T. M. MORRISON1  Nature volume 174, pages 606–607 (1954)Cite this article

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INVESTIGATIONS based on chemical analyses have indicated that the absorption of phosphorus by pine seedlings is increased by the presence of ectotrophic mycorrhizas1. Harley et al.2 have

shown, however, that when labelled phosphorus is supplied to excised roots of beech the presence of a mycorrhizal sheath presents a partial barrier to phosphorus uptake by the tissues of the

root. This communication reports the result of an experiment in which phosphorus-32 was used to indicate how far the mycorrhizal habit influences the uptake of phosphorus by intact plants

of Nothofagus menziesii (mycorrhizas ectotrophic, typical of the Fagaceae) and Pinus radiata. The presence of mycorrhizas had no apparent effect on the rate of growth of these two species

under the conditions employed in the experiment.

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field conditions Article Open access 02 March 2023 References Hatch, A. B., J. Forestry, 34, 22 (1936). Mitchell, H. L., Finn, R. F., and Rosendahl, R. O., Black Rock Forest Papers 1, 58

(1937).

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Harley, J. L., and McCready, C. C., New Phytol., 51, 56 (1952). Harley, J. L., Brierley, J. K., and McCready, C. C., New Phytol., 53, 92 (1954).

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Author informationAuthors and Affiliations Department of Botany, University of Otago, New Zealand

T. M. MORRISON

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About this articleCite this article MORRISON, T. Uptake of Phosphorus-32 by Mycorrhizal Plants. Nature 174, 606–607 (1954). https://doi.org/10.1038/174606a0

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Issue Date: 25 September 1954

DOI: https://doi.org/10.1038/174606a0

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