Funding for this research was provided by:
Gansu Agricultural University (Scientific Research Start-up Funds for Openly-recruited Doctors of Gansu Agricultural University [Grant Numbers: 2017RCZX-08], Special Funds for Discipline Construction of Gansu Agricultural University [Grant Number: GAU-XKJS-2018-157])
National Natural Science Foundation of China (31960561)
The National Key Research and Development Program of China (2018YFD0200405)
Article History
Received: 28 August 2019
Revised: 6 December 2019
Accepted: 10 December 2019
First Online: 21 December 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.