Abstract

Floridian populations of Ipomoea hederifolia L. require significantly less time to come to flower than West Indian and Yucatanian populations. Rapid flowering seems to be dominant in expression over the requirement for a much longer period. Variation in flower and cotyledon color appears to be determined by an intensity locus which is codominant in expression rather than by differences in anthocyanins among populations.Key words: anthocyanins, Ipomoea, photoperiod, inheritance.

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