Funding for this research was provided by:
National Natural Science Foundation of China (41461044)
Support Program for Longyuan Youth and Fundamental Research Funds for the Universities of Gansu Province (GAU-QNDS-201714)
Agro-Industry Research and Development Special Fund of China (GAU-XKJS-2018-113)
Article History
Received: 23 January 2019
Revised: 3 June 2019
Accepted: 25 October 2019
First Online: 12 November 2019