Seasonal changes in soluble protein, nucleic acids, and tissue pH related to cold hardiness of alfalfa.
D003080:Cold Temperature; D004247:DNA / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D000455:Medicago sativa / Q000378:metabolism*; D010940:Plant Proteins / Q000378:metabolism*; D012313:RNA / Q000378:metabolism*; D012621:Seasons
D010940:Plant Proteins; D012313:RNA; D004247:DNA