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Fig. 2. Cold acclimation-induced changes in sucrose concentration in taproots of alfalfa cultivars differing in fall dormancy (FD) and winter hardiness. Norseman (FD = 1) is winter hardy, Lahontan (FD = 7) has intermediate winter hardiness, while CUF 101 (FD = 9) and Wadi Qurayat (FD = 11) are not winter hardy. Responses of the parent cultivar (O) and populations from this cultivar selected for greater (L) and less (H) fall dormancy are shown. Data were averaged over two years. The least significant difference (LSD) at the 5% level of probability is provided. Experiment 3.
