Table 1.
Domestication-related traits examined, their trait and QTL abbreviations and evaluation method
| Organ | General attribute | Trait | Trait abbreviation | QTL/gene | Evaluation method | Evaluated population |
|---|---|---|---|---|---|---|
| Pod | Pod size | Podlength (cm) | PDL | Pdl | Length of straight pod | BC1F1, F2 |
| Podwidth (mm) | PDW | Pdw | Width of pod at widest part | BC1F1, F2 | ||
| Pod dehiscence | Pod –Number of twist (count) | PDT | Pdt | Number of twists along the length of the shattered pod | BC1F1, F2 | |
| Seed | Seed size | Seedweight (g) | SD100WT | Sd100wt | Weight of 100 seeds | BC1F1, F2 |
| Seedlength (mm) | SDL | Sdl | Maximum distance from top to bottom of the seed | BC1F1, F2 | ||
| Seedwidth (mm) | SDW | Sdw | Maximum distance from hilum to its opposite side | BC1F1, F2 | ||
| Seedthickness (mm) | SDT | Sdt | Maximum distance between both sides of the hilum | BC1F1, F2 | ||
| Seed colour | Seed coat colour | SDC | Sdc | Tan or red | BC1F1, F2 | |
| Seed coat colour black mottle color | SDCBM | Sdcbm | Present or absent | BC1F1, F2 | ||
| Seed germination | Seed – Germination in field (%) | SDG | Sdg | Germination percentage at 21 d after sowing in field | BC1F1:2, F2:3 | |
| Seed – Coat permeable (%) | SDP | Sdp | Percent of imbibed seeds at 21 d after sowing at 25 °C in incubator | BC1F1:2, F2:3 | ||
| Stem | Epicotyl colour | Epicotyl colour | ECC | Ecc | Red or green | F2 |
| Stem size | Epicotyl length (cm) | ECL | Ecl | Length from cotyledon to primary leaf | BC1F1:2, F2, F2:3 | |
| Stem – Internode length (1st to 10th) (cm) | ST1-10I | St1-10i | Length from primary leaf node to each node | BC1F1:2, F2, F2:3 | ||
| Stem length (cm) | STL | Stl | Length from primary leaf node to 10th trifoliate leaf node | BC1F1:2, F2, F2:3 | ||
| Stem thickness (mm) | STT | Stt | Stem diameter below the primary leaf | BC1F1:2, F2, F2:3 | ||
| Growth habit | Stem – twining (%) | STTW | Sttw | Stem twining beyond the main stem 10th internode | BC1F1:2, F2:3 | |
| Leaf | Leaf size | Leaf – Primary leaf length (mm) | LFPL | Lfpl | Distance from pulvinus to leaf tip | BC1F1:2, F2, F2:3 |
| Leaf – Primary leaf width (mm) | LFPW | Lfpw | Widest part of primary leaf | BC1F1:2, F2, F2:3 | ||
| Leaf – maximum leaflet length (mm) | LFML | Lfml | Length of the largest terminal leaflet on a leaf between 1st trifoliate leaf node and 10th trifoliate leaf node | BC1F1:2, F2, F2:3 | ||
| Leaf – maximum leaflet width (mm) | LFMW | Lfmw | Width of the largest terminal leaflet on a leaf between 1st trifoliate leaf node and 10th trifoliate leaf node | BC1F1:2, F2, F2:3 | ||
| Branch | Number | Branch number (count) | BRN | Brn | Number of branches on main stem from 1st trifoliate leaf node to 10th trifoliate leaf node | BC1F1:2, F2, F2:3 |
| Position | Branch – Position of 1st branch (ith node) | BRP | Brp | Position of the first branch on main stem from 1st trifoliate leaf node to 10th trifoliate leaf node | BC1F1:2, F2, F2:3 | |
| Flower | Flowering time | Flower – Days to first flower (days) | FLD | Fld | Number of days from sowing to 1st flowering | F2 |