Funding for this research was provided by:
National Key Research and Development Program of China (2019YFD1000102)
Received: 7 January 2021
Accepted: 10 May 2021
First Online: 26 May 2021
: The genome database of Chinese white pear (<i>Pyrus bretschneideri</i>), is applied for our research under the permission of Center of Pear Engineering Technology Research. The test materials ‘<i>Pyrus betulaefolia</i>’ were collected from the pear germplasm orchard of the Center of Pear Engineering Technology Research situated at Hushu in Nanjing under the permission of Center of Pear Engineering Technology Research.
: Not applicable.
: The authors declare that they have no competing interests.