Funding for this research was provided by:
National Natural Science Foundation of China (No. 31601612)
Natural Science Foundation of Shanxi Province of China (No.201701D221159)
China Agriculture Research System (CARS-21)
Article History
Received: 6 May 2019
Accepted: 9 December 2019
First Online: 3 January 2020
Compliance with ethical standards
:
: Author Yanbing Niu declares that she has no conflict of interest. Author Defu Wang declares that he has no conflict of interest. Author Jiangran Wang declares that she has no conflict of interest. Author Liyan Cui declares that she has no conflict of interest. Author Shuting Wang declares that she has no conflict of interest.This article does not contain any studies with human or animal subjects performed by any of the authors.