Comparative Study on Cold Resistance Physiology of Red Pulp Pitaya and White Pulp PitayaYan Gong, Xiaoyi Bi, Lijun Deng, Juan Hu, Shan Jiang, Lin Tan, Tingting Wang and Xian LuoE3S Web Conf., 131 (2019) 01113DOI: https://doi.org/10.1051/e3sconf/201913101113