Abstract
THE main difference between this and other grafting experiments described in the literature appears to lie in the physiological ages of the scion and stock. In Russian work on vegetative hybridization, scions at the 4–6-leaves stage are held to be most susceptible to the influence of stocks of the same age. Here, however, it may be that the scion has not yet reached the stage of physiological development at which it would require the normal sequence of external factors to become vernalized and ready to flower in the appropriate conditions. The possible acceleration of breeding programmes involving bolting-resistant varieties must await the results of further experiments.
References
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CAMPBELL, G. Graft-transmissible Induction of Elongation and Flowering in Scions of Sugar-beet red for Resistance to Bolting. Nature 202, 1238 (1964). https://doi.org/10.1038/2021238b0
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DOI: https://doi.org/10.1038/2021238b0
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