Fig. 3From: Metabolomic analyses reveal substances that contribute to the increased freezing tolerance of alfalfa (Medicago sativa L.) after continuous water deficitPhenotypes of alfalfa after freezing in phase 4. WW and WD: substrate moisture at 80 and 25% of water-holding capacity, respectively. Phenotypes of alfalfa in WW (a and b) and in WD (c and d)Back to article page