Abstract
FROM the ringing experiments of early times, it has reasonably been inferred that foodstuffs are translocated downwards by the phloem. But to complete the evidence it would be necessary to prove directly that the tissues external to the wood can translocate foodstuffs by themselves. Adequate experimental evidence for this has never been produced, and recently it has been maintained that downwards as well as upwards the foodstuffs must be translocated by the wood. (Dixon, H. H., and Ball, N. G., NATURE, February 23, 1922, vol. 109, p. 236.)
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SNOW, R. The Transport of Organic Foodstuffs in Plants. Nature 116, 360 (1925). https://doi.org/10.1038/116360c0
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DOI: https://doi.org/10.1038/116360c0
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