Table 1.
Characterization of 84local rice landraces based on 16 agro-morphological traits
| Agro-morphological characters | Colour pattern/type | Frequency | Percent |
|---|---|---|---|
| 1. Coleoptile colour on tenth days | Colourless | 83 | 98.81 |
| Green | – | – | |
| Purple | 1 | 1.19 | |
| 2. Basal leaf sheath colour on booting stage | Uniform purple | 3 | 3.57 |
| Green | 81 | 96.43 | |
| Light purple | – | – | |
| Purple lines | – | ||
| 3. Leaf intensity of green colour on booting stage | Light | 14 | 16.6 |
| Medium | 2 | 2.38 | |
| Dark | 68 | 80.95 | |
| 4. Colour of ligule on booting stage | White | 87 | 97.71 |
| Light purple | 1 | 2.29 | |
| Purple | – | ||
| 5. Leaf sheath: Intensity of anthocyanin colouration | Very weak | 81 | 96.43 |
| Weak | 2 | 2.38 | |
| Medium | – | – | |
| Strong | 1 | 1.19 | |
| Very strong | – | ||
| 6. Spikelet colour of stigma | White | 80 | 95.24 |
| Light green | – | 4.76 | |
| Yellow | – | ||
| Light purple | – | ||
| Purple | 4 | 4.76 | |
| 7. Anthocyanin colouration of auricles | Colourless | 83 | 98.8 |
| Light purple | – | – | |
| Purple | 1 | 1.19 | |
| 8. Spikelet colour of tip of lemma | White | 72 | 85.71 |
| Yellowish | – | – | |
| Brown | 7 | 8.33 | |
| Red | 5 | 5.95 | |
| Purple | – | – | |
| Black | – | – | |
| 9. Time of heading (50 % of plants with panicles) | Very early (<71 days) | 5 | 5.95 |
| Early (71–90 days) | 22 | 26.19 | |
| Medium (91–110 days) | 42 | 50.00 | |
| Late (111–130 days) | 13 | 15.47 | |
| Very late (>131 days) | 2 | 2.38 | |
| 10. Spikelet density of pubescence | Absent | 18 | 21.42 |
| Weak | 42 | 50.00 | |
| Medium | 24 | 28.57 | |
| Strong | – | – | |
| Very strong | |||
| 11. Stem length | Very short (<91 cm) | 38 | 45.23 |
| Short (91–110 cm) | 32 | 38.09 | |
| Medium (111–130 cm) | 9 | 10.71 | |
| Long (131–150 cm) | 5 | 5.95 | |
| Very long (>150 cm) | – | ||
| 12. Leaf: Pubescence of blade surface on booting stage | Weak | 43 | 51.19 |
| Absent | 37 | 44.04 | |
| Medium | 4 | 4.7 | |
| 13. Panicle curvature of main axis | Straight | 25 | 29.76 |
| Semi-straight | 24 | 28.57 | |
| Deflexed | 28 | 33.33 | |
| Dropping | 7 | 8.33 | |
| 14. Leaf collar present/Absent on booting stage | Absent | 0 | 0 |
| Present | 85 | 100 | |
| 15. Culm: attitude | Erect | 15 | 17.85 |
| Semi-erect | 64 | 76.19 | |
| Opened | – | – | |
| Spreading | 5 | 5.95 | |
| 16. Flag leaf attitude in late observation | Erect | 44 | 52.38 |
| Semi-erect | 28 | 33.33 | |
| Horizontal | 2 | 2.38 | |
| Deflexed | 10 | 11.90 |