Funding for this research was provided by:
National Key Research and Development Program of China (2017YFD0200403)
National Key Research and Development Program of China (2017YFD0201108)
Natural Science Foundation of China (31672072)
Natural Science Foundation of China (31872015)
Intergovernmental Key International Scientific and Technological Innovation Cooperation (2017YFE0104900)
948 Project of the Ministry of Agriculture (2016-X48)
Program on Industrial Technology System of National Corn (CARS-02)
Key R&D Program of Shanghai science and technology commission (18391902400)
Article History
Received: 19 June 2019
Revised: 24 August 2019
Accepted: 10 September 2019
First Online: 14 October 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.