Funding for this research was provided by:
National Science Foundation Project (31360053)
National major Transgenic Project of China (2019ZX08005-004-009)
Received: 19 August 2020
Accepted: 24 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: Plant materials (<i>Saussurea involucrate</i>) used in this study were from our lab (Key Laboratory of Agricultural Biotechnology, College of Life Science, Shihezi University, Shihezi 832003, Xinjiang, China; Email ExternalRef removed). All plant materials were provided free of charge. <i>S. involucrate</i> used in this experiment were from tissue culture plantlets in our laboratory, it is not an endangered materials or species.
: Not applicable.
: The authors declare that they have no competing interests.