Table 1.
Range of variation in agro-morphological characteristics of hill rice landraces and the loading of the measured traits on five principal components
| Traits | Group | Mean ± SD | Min | Max | %CV | p value | PCs | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |||||||
| DtF | Umte | 115.78 ± 13.05 | 90.00 | 141.00 | 11.27 | 0.110 | −0.56 | 0.31 | 0.48 | −0.38 | −0.04 |
| Tening | 120.84 ± 11.79 | 89.00 | 139.00 | 9.75 | |||||||
| Ht | Umte | 81.11 ± 23.52 | 32.00 | 122.20 | 29.00 | 0.034 | 0.58 | −0.39 | −0.48 | 0.20 | 0.04 |
| Tening | 69.86 ± 17.90 | 40.20 | 107.00 | 25.62 | |||||||
| LL | Umte | 53.76 ± 11.04 | 36.00 | 75.00 | 20.53 | 0.053 | −0.60 | 0.34 | 0.21 | −0.40 | −0.16 |
| Tening | 59.23 ± 10.87 | 38.60 | 78.70 | 18.36 | |||||||
| LW | Umte | 1.86 ± 0.21 | 1.40 | 2.30 | 11.22 | 0.270 | −0.49 | 0.30 | −0.24 | −0.08 | −0.39 |
| Tening | 1.92 ± 0.25 | 1.40 | 2.40 | 13.10 | |||||||
| LgL | Umte | 1.65 ± 0.53 | 0.95 | 2.90 | 31.92 | 0.390 | 0.59 | −0.06 | 0.08 | −0.43 | 0.16 |
| Tening | 1.56 ± 0.38 | 0.70 | 2.35 | 24.56 | |||||||
| PnP | Umte | 5.19 ± 0.97 | 3.50 | 7.20 | 18.76 | 0.410 | 0.11 | −0.01 | 0.66 | 0.38 | −0.29 |
| Tening | 5.39 ± 0.97 | 3.50 | 7.30 | 18.02 | |||||||
| PnL | Umte | 23.17 ± 2.87 | 16.50 | 27.75 | 12.38 | 0.149 | 0.44 | −0.46 | 0.30 | −0.09 | 0.48 |
| Tening | 22.16 ± 2.65 | 17.50 | 28.65 | 11.96 | |||||||
| SnP | Umte | 143.07 ± 52.53 | 82.50 | 272.50 | 36.72 | 0.234 | −0.14 | −0.53 | 0.63 | 0.10 | 0.20 |
| Tening | 159.89 ± 57.13 | 68.00 | 260.50 | 35.73 | |||||||
| GrL | Umte | 6.94 ± 0.70 | 5.27 | 8.31 | 10.05 | 0.000 | 0.58 | 0.68 | 0.14 | 0.01 | 0.11 |
| Tening | 6.19 ± 0.65 | 5.17 | 8.32 | 10.44 | |||||||
| GrW | Umte | 3.39 ± 0.37 | 2.67 | 3.87 | 10.81 | 0.407 | −0.81 | 0.23 | 0.04 | 0.28 | 0.22 |
| Tening | 3.46 ± 0.37 | 2.73 | 4.01 | 10.58 | |||||||
| GrLW | Umte | 2.07 ± 0.31 | 1.73 | 2.97 | 14.81 | 0.003 | 0.87 | 0.32 | 0.08 | −0.17 | −0.11 |
| Tening | 1.81 ± 0.34 | 1.40 | 2.91 | 18.87 | |||||||
| StLL | Umte | 2.31 ± 0.50 | 1.46 | 3.29 | 21.48 | 0.240 | 0.07 | 0.42 | −0.15 | −0.43 | 0.60 |
| Tening | 2.19 ± 0.30 | 1.48 | 2.98 | 13.82 | |||||||
| GW | Umte | 23.03 ± 4.32 | 15.80 | 34.60 | 18.77 | 0.843 | −0.25 | 0.49 | −0.06 | 0.58 | 0.38 |
| Tening | 22.85 ± 3.09 | 16.90 | 32.80 | 13.54 | |||||||
| KL | Umte | 5.44 ± 0.46 | 4.48 | 6.24 | 8.36 | 0.000 | 0.70 | 0.49 | 0.16 | 0.34 | 0.04 |
| Tening | 4.58 ± 0.42 | 3.90 | 6.06 | 9.14 | |||||||
| KW | Umte | 2.9 ± 0.35 | 2.12 | 3.45 | 12.12 | 0.133 | −0.84 | 0.11 | −0.04 | 0.17 | 0.26 |
| Tening | 3.02 ± 0.24 | 2.44 | 3.35 | 8.10 | |||||||
| KLW | Umte | 1.91 ± 0.34 | 1.59 | 2.94 | 17.82 | 0.000 | 0.89 | 0.28 | 0.14 | 0.12 | −0.13 |
| Tening | 1.53 ± 0.25 | 1.23 | 2.48 | 16.11 | |||||||
| Percentage Variance | 35.18 | 14.43 | 0.89 | 9.23 | 7.64 | ||||||
| Cumulative variance | 35.18 | 49.61 | 59.50 | 68.73 | 76.3 | ||||||
DtF days to 50 % flowering, Ht plant height (cm), LL leaf length (cm), LW leaf width (cm), LgL ligule length (cm), PnP panicles per plant, PnL panicle length (cm), SnP spikelets per panicle, GrL grain length (mm), GrW grain width (mm), GrLW grain length-to-width ratio, StLL sterile lemma length (mm), GW 1000-grain weigth (g), KL kernel length (mm), KW kernel width (mm), KLW kernel length-to-width ratio, SD standard deviation, Min minimum value, Max maximum value, CV coefficient of variation, PC principal component