Funding for this research was provided by:
Natural Science Foundation of Heilongjiang Province of China (QC2017020)
Postdoctoral Science Foundation of Heilongjiang Bayi Agricultural University
Received: 9 April 2019
Accepted: 24 June 2019
First Online: 27 July 2019
Ethics approval and consent to participate
: Not applicable.
: All authors listed on this manuscript have read and agreed to the publication of this research.
: The authors declare that they have no competing interests.