Cold Acclimation Affects Physiological and Biochemical Characteristics of Betula platyphylla S. under Freezing Stress. - Ritonga, Faujiah Nurhasanah; Yan, Siyu; Chen, Song; Slamet, Syamsudin A.; Irmayanti, Laswi; Song, Runxian; Lin, Xin; Jing, Yanan; Farooq, Umar; Khoso, Muneer A.; Chen, Su (Forests (19994907), 2021)