Funding for this research was provided by:
the National Key Reseach and Development Plant (No.2017YFC1702500)
Major Science and Technique Programs in Yunnan Province (No.2016ZF001)
National Natural Science Foundation of China (No. U1402262)
Received: 4 June 2019
Accepted: 2 October 2019
First Online: 26 October 2019
Ethics approval and consent to participate
: Not applicable. The authors declared that experimental research works on the plants described in this paper comply with institutional, national and international guidelines.
: Not applicable.
: The authors declare that they have no competing interests.