Identification of WUSCHEL-related homeobox gene and truncated small peptides in transformation efficiency improvement in Eucalyptus oleh Zhuo-Ao Zhang, Mei-Ying Liu, Shu-Ning Ren, Xiao Liu, Yue-Hao Gao, Chen-Yu Zhu, Hao-Qiang Niu, Bo-Wen Chen, Chao Liu, Weilun Yin, Hou-Ling Wang, Xinli Xia