Abstract
FORKING of the short-root system of pine is frequent in Nature and is known to be due to the influence of mycorrhizal mycelia and probably also to certain other types of root fungi. Slankis1 has demonstrated that in excised pine roots growing in a nutritive solution, forking can be produced by exudates of mycorrhizal fungi (for example, species of Boletus) and by growth substances like β-indoleacetic acid and α-naphthaleneacetic acid.
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References
Slankis, V., Physiol. Plant., 1, 390 (1948); Svensk. Bot. Tidskr., 43, 603 (1949); Physiol. Plant., 3, 40 (1950).
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LEVISOHN, I. Forking in Pine Roots. Nature 169, 715 (1952). https://doi.org/10.1038/169715a0
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DOI: https://doi.org/10.1038/169715a0
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