Funding for this research was provided by:
Shaanxi Science and Technology Coordinating Innovation Engineering Program (GDT20176100048, 2015KTTSSF01-03, 2015HBGC-18)
The Key Project of Agricultural Science and Technology of Shaanxi Province (2017NY-082)
Research Project of Shaanxi Provincial Education Department (17JK0135)
Qinling-Bashan Mountains Bioresources Comprehensive Development, Collaborative Innovation Center Research Funds (QBXT-17-9)
Article History
Received: 3 May 2018
Accepted: 3 July 2018
First Online: 16 July 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.