Funding for this research was provided by:
Jilin Provincial Agricultural Science & Technology Innovation Project (CXGC2017JQ013)
China National Novel Transgenic Organisms Breeding Project (2016ZX08004-004)
Received: 17 September 2019
Accepted: 9 January 2020
First Online: 22 January 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.