Funding for this research was provided by:
Training Program for Youth Backbone Teacher (for Huang Yong) in University of Hunan (2015)
Article History
Received: 8 August 2018
Accepted: 17 December 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: The seed of <i>B. rapa</i> were from the Key Laboratory of Plant Genetics and Molecular Biology of Education Department in Hunan Province.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.