Abstract
THE docken, or entire-leaf variation (Fig. 1), like several other variations for leaf shape in potatoes, has not been shown previously to be a chimera. Leaf shape in potatoes is largely determined by the constitution of L2 (ref. 1), and the two standard methods of investigating potato chimeras, breeding behaviour and eye-excision, give information on L2 in the variant and not on L1. It is thus not possible by these two methods to show that L1 in a variant is unchanged. Information of L1 may, however, be obtained by X-ray treatment2.
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References
Howard, H. W., Wainwright, J., and Fuller, J. M., Genetica, 34, 113 (1963).
Howard, H. W., Rad. Bot., 4, 361 (1964).
Howard, H. W., Nature, 203, 1303 (1964).
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HOWARD, H. Chimerical Nature of the Entire-leaf Variant in the Potato Variety ‘Majestic’. Nature 208, 917 (1965). https://doi.org/10.1038/208917a0
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DOI: https://doi.org/10.1038/208917a0
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