Fig. 2.

Principal component analysis (PCA) of 19 loquat genotypes. AL_W, BJ_W, MT_W, SM_W, HZ_W, BD_W, LC_W, WF_W, TS_W represent the wild loquat genotypes; AL_W, BJ_W and MT_W were collected from Anlong, Bijie and Meitan counties of Guizhou province, SM_W was collected from Simian county of Sichuan province, HZ_W was collected from Hanzhong county of Shanaxi province, BD_W, LC_W, WF_W, TS_W were collected from Badong, Lichuan, Wufeng and Tongshan counties of Hubei province, respectively; DWX_C, BY_C, YN_C, SJPP_C, RTBS_C, ZZ6H_C, MM_C, MBC_C, Biano_C, Algeria_C are all loquat cultivars, and known as Dawuxing, Baiyu, Yunan, Sijipipa, Ruantiaobaisha, Zaozhong No.6, Mogi, MBC, Biano and Algeria, respectively