Table 1.

List of 29 Pyrus accessions used in the polymorphism analysis

No.	Accession	Species	Type	Origin	Leaf source
1	‘Huiyangqingli’	P. pyrifolia	Cultivar	Guangdong, China	CPGR
2	‘Huiyangsuanli’	P. pyrifolia	Cultivar	Guangdong, China	CPGR
3	‘Nijisseiki’	P. pyrifolia	Cultivar	Japan	TU
4	‘Imamuraaki’	P. pyrifolia	Cultivar	Japan	TU
5	‘Jinchuanxueli’	P. pyrifolia	Cultivar	Japan	CPGR
6	‘Manyuanxiang’	P. ussuriensis	Cultivar	Liaoning, China	CPGR
7	‘Nanguoli’	P. ussuriensis	Cultivar	Liaoning, China	CPGR
8	P. ussuriensis	P. ussuriensis	Wild material	Liaoning, China	CPGR
9	‘Cili’	P. pyrifolia white pear group	Cultivar	Shandong, China	CPGR
10	‘Yali’	P. pyrifolia white pear group	Cultivar	Hebei, China	CPGR
11	P. pashia 1	P. pashia	Wild material	Guizhou, China	Guizhou
12	P. pashia 2	P. pashia	Wild material	Guizhou, China	Guizhou
13	P. pashia 3	P. pashia	Wild material	Nepal	TU
14	P. dimorphophylla	P. dimorphophylla	Wild material	Japan	TU
15	P. fauriei	P. fauriei	Wild material	Korean	TU
16	P. betulaefolia 3	P. betulaefolia	Wild material	Japan	TU
17	P. betulaefolia 1	P. betulaefolia	Wild material	Lanzhou, China	CPGR
18	P. betulaefolia 2	P. betulaefolia	Wild material	Linwu, China	CPGR
19	P. serrulata	P. serrulata	Wild material	Hebei, China	CPGR
20	P. hopeiensis	P. hopeiensis	Wild material	Hebei, China	Hebei
21	P. phaeocarpa	P. phaeocarpa	Wild material	North of China	CPGR
22	P. xerophila	P. xerophila	Wild material	Lanzhou, China	GPI
23	P. hondoensis	P. hondoensis	Wild material	Center of Japan	TU
24	P. pyrifolia	P. pyrifolia	Wild material	Japan	TU
25	P. nivalis	P. nivalis	Wild material	Europe	TU
26	P. longipes	P. longipes	Wild material	Europe	TU
27	P. amygdaliformis	P. amygdaliformis	Wild material	Mediterranean, South Europe	TU
28	P. elaegrifolia	P. elaegrifolia	Wild material	Turkey, South Europe, Crimean Peninsula	TU
29	P. communis	P. communis	Wild material	Europe	TU

CPGR: China Pear Germplasm Repository; TU: Tottori University; GPI: Gansu Pomology Institute