Abstract
IT has been shown that plants of Chrysanthemum morifolium ‘Sunbeam’ (incorrectly termed ‘Indian Summer’), raised from basal cuttings taken from parent plants grown and flowered at high temperatures, require a period of low temperature or vernalization in order that normal stem elongation and rapid flowering may occur. Without such a period of low temperature these plants grown in high temperature conditions (> 60° F.) fail to elongate normally and are considerably delayed in flowering1.
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Schwabe, W. W., J. Exp. Bot., 1, 329 (1950).
Vince, D., J. Hort. Sci. (in the press).
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VINCE, D., MASON, D. Acceleration of Flowering in Non-vernalized Chrysanthemums by the Removal of Apical Sections of the Stem. Nature 174, 842–843 (1954). https://doi.org/10.1038/174842b0
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DOI: https://doi.org/10.1038/174842b0
