Funding for this research was provided by:
Chinese Academy of Forestry (CAFYBB2016QA018)
Forestry Science and Technology Innovation Project of Guangdong Province (2014KJCX016-03)
Joint Fund Project of the Foundation for Basic and Applied Basic Research of Guangdong Province (2019A1515110168)
Received: 2 September 2019
Accepted: 5 November 2020
First Online: 24 November 2020
: The authors declare no competing interests.