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Fig. 7 | BMC Plant Biology

Fig. 7

From: Metabolomic analyses reveal substances that contribute to the increased freezing tolerance of alfalfa (Medicago sativa L.) after continuous water deficit

Fig. 7

Numbers of differential metabolites at the class and subclass levels. Names on the abscissa represent subclasses, gray parts above the plot represent classes. Within-phase and between-phase comparisons revealed metabolites affected by water deficit and low temperature, respectively. WW and WD: substrate moisture at 80 and 25% of water-holding capacity, respectively. WD_1, 2, 3 and WW_1, 2, 3 represent samples collected at the ends of phases 2, 3, and 4, respectively

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