[1] Chinese Acad Sci, Inst Genet & Dev Biol, Natl Ctr Plant Gene Res, State Key Lab Plant Genom, Beijing 100101, Peoples R China
[2] Chinese Acad Sci, Inst Genet & Dev Biol, Chinese German Joint Grp Plant Hormone Res, Beijing 100101, Peoples R China
[3] Univ Freiburg, Fac Biol, Inst Biol Bot 2, D-79104 Freiburg, Germany
[4] Univ Freiburg, Fac Biol, Freiburg Inst Adv Sci, D-79104 Freiburg, Germany