Funding for this research was provided by:
National Key Research and Development Program of China (2018YFB0204004)
National Natural Science Foundation of China (61370098, 61672219)
Hunan Provincial Key Research and Development Program (2018GK2055)
Double first-class construction project of Hunan Agricultural University (SYL201802029)
Article History
Received: 15 November 2018
Accepted: 19 March 2019
First Online: 28 March 2019
Compliance with ethical standards
:
: The authors declared that they have no conflicts of interest to this work.