Intake of Streptomycin by Peach Leaves


PREVIOUS work1 has shown that streptomycin sulphate, when applied as an aqueous spray to foliage, prevented the development of blast of stone fruit, caused by Pseudomonas syringae van Hall. Mitchell et al. 2 found that streptomycin was taken in and translocated upwards to the leaves when applied in a lanolin paste to bean plant stems. As part of a programme designed to gain knowledge of the movement of streptomycin in peach trees (Prunus persica (L) Batsch), investigations were carried out to determine whether streptomycin can be taken in through uninjured leaf surfaces and become systemic.

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  1. 1

    Dye, D. W., and Dye, M. H., N.Z. J. Sci. Tech., A, 36, 21 (1954).

  2. 2

    Mitchell, J. W., Zaumeyer, W. J., and Anderson, W. P., Science, 115, 114 (1952).

  3. 3

    Dye, M. H., Ann. App. Biol. (submitted for publication).

  4. 4

    Charles, A., Nature, 171, 435 (1953).

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