Table 1. Summary of citrus samples used in this study.
| Category | Scientific names | Samples | Genotyped samples | Representative samples | ||
|---|---|---|---|---|---|---|
| Swingle's system | Tanaka's system | |||||
| Indigenous varieties | 208 | 269 | 101 | |||
| Clementine | C. reticulata Blanco | C. clementina hort. ex Tanaka | 4 | 4 | 1 | |
| Dancy | C. reticulata Blanco | C. tangerina hort. ex Tanaka | 2 | 2 | 1 | |
| Grapefruit | C. paradisi Macf. | C. paradisi Macf. | 3 | 3 | 1 | |
| Hyuganatsu | C. sinensis (L.) Osbeck | C. tamurana hort. ex Tanaka | 5 | 6 | 1 | |
| Iyo | C. sinensis (L.) Osbeck | C. iyo hort. ex Tanaka | 2 | 2 | 1 | |
| Kishu | C. reticulata Blanco | C. kinokuni hort. ex Tanaka | 16 | 21 | 1 | |
| Kunenbo 1) | C. reticulata Blanco | C. nobilis Lour. var. kunep Tanaka | 10 | 13 | 4 | |
| Natsudaidai | C. paradisi Macf. | C. natsudaidai Hayata | 4 | 5 | 1 | |
| Ponkan | C. reticulata Blanco | C. reticulata Blanco | 4 | 5 | 1 | |
| Pummelo | C. grandis Osbeck 2) | C. grandis Osbeck 2) | 12 | 14 | 12 | |
| Satsuma | C. reticulata Blanco | C. unshiu Marcov. | 21 | 33 | 1 | |
| Shiikuwasha | C. indica | C. depressa Hayata | 2 | 3 | 2 | |
| Sour orange | C. aurantium L. | C. aurantium L. | 5 | 6 | 1 | |
| Sweet orange | C. sinensis (L.) Osbeck | C. sinensis (L.) Osbeck | 20 | 22 | 1 | |
| Tachibana | C. tachibana Makino | C. tachibana (Makino) Tanaka | 12 | 13 | 3 | |
| Tankan | C. sinensis (L.) Osbeck | C. tankan Hayata | 4 | 4 | 1 | |
| Willowleaf mandarin | C. reticulata Blanco | C. deliciosa Ten. | 2 | 2 | 2 | |
| Others | 80 | 111 | 66 | |||
| Hybrid varieties | C.spp | C.spp | 78 | 83 | 75 | |
| Selected strains | C.spp | C.spp | 85 | 90 | 85 | |
| Total | 371 | 442 | 261 | |||
1) Kunenbo (C. nobilis Lour. var. kunep Tanaka) includes King mandarin (C. nobilis Lour.)
2) Now classified as C. maxima Merr.