Funding for this research was provided by:
National Key Research and Development Program of China (2016YFD0100600)
Earmarked Fund for Modern Agro-industry Technology Research System (CARS-26-11)
Article History
Received: 22 July 2018
Accepted: 18 October 2018
First Online: 16 January 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.