Paclobutrazol regulates hormone and carbon-nitrogen nutrition of autumn branches, improves fruit quality and enhances storage nutrition in ‘Fuji’ apple

Jianchuan Sha, Shunfeng Ge, Zhanling Zhu, Xin Du, Xin Zhang, Xinxiang Xu, Fen Wang, Qian Chen, Ge Tian, Yuanmao Jiang