Funding for this research was provided by:
National Science Foundation (IOS-1758745)
National Natural Science Foundation of China (31330017, 31771486)
Sichuan Youth Science and Technology Foundation (2017JQ0005)
U.S. Department of Agriculture (BRAG 2016-06247)
Foundation for Food and Agriculture Research (593603)
National Transgenic Major Project (2018ZX08022001-003)
Received: 18 September 2018
Accepted: 14 January 2019
First Online: 31 January 2019
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
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