MdKNOX15, a class I knotted-like transcription factor of apple, controls flowering and plant height by regulating GA levels through promoting the MdGA2ox7 transcription

Peng Jia, Libo Xing, Chenguang Zhang, Hao Chen, Youmei Li, Dong Zhang, Juanjuan Ma, Caiping Zhao, Mingyu Han, Xiaolin Ren, Na An