Funding for this research was provided by:
the National Key Research and Development Program of China (2016YFD0501600)
Key Program of Science and Technology Planning of Guangdong Province (2017B020202010)
the Natural Science Foundation of Jiangsu Province (BK20181321, BK20161452)
Forestry Science and Technology Innovation and Promotion Project of Jiangsu Province (LYKJ22)
the China Agriculture Research System (CARS-40-K13)
the Priority Academic Program Development of Jiangsu Higher Education Institutions
Received: 12 February 2018
Accepted: 27 June 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable
: The authors declare that they have no competing interests.