Table 1.
Phenotypic variation of five fiber quality traits and two yield traits for the upland cotton RILs and their parents.
| Traitsa | Environmentb | Parents |
RILs |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HS46(P1) | MAR(P2) | P1–P2 | Mean | SD | Skewness | Kurtosis | Minimum | Maximum | ||
| FL | Yc | 31.00 | 29.84 | 1.17∗∗ | 30.49 | 1.15 | 0.18 | 0.35 | 27.26 | 34.12 |
| Bg | 30.47 | 29.17 | 1.31∗∗ | 30.21 | 1.02 | 0.06 | 0.16 | 27.20 | 33.39 | |
| FU | Yc | 86.35 | 85.27 | 1.08∗∗ | 85.57 | 0.83 | 0.28 | 0.17 | 83.60 | 88.50 |
| Bg | 85.92 | 84.90 | 1.02∗ | 85.39 | 0.86 | -0.30 | -0.38 | 83.10 | 87.30 | |
| MIC | Yc | 4.12 | 3.77 | 0.36∗ | 3.83 | 0.32 | 0.20 | 0.14 | 3.06 | 4.76 |
| Bg | 3.88 | 3.75 | 0.13 | 3.50 | 0.39 | 0.21 | -0.29 | 2.68 | 4.54 | |
| FE | Yc | 6.43 | 6.52 | -0.08 | 6.38 | 0.70 | 0.08 | -0.40 | 4.90 | 8.20 |
| Bg | 5.98 | 6.07 | -0.09 | 5.76 | 0.66 | 0.33 | 0.14 | 4.10 | 8.10 | |
| FS | Yc | 30.09 | 28.09 | 2.01∗∗ | 29.92 | 1.66 | 0.48 | 0.09 | 26.61 | 35.67 |
| Bg | 29.45 | 28.67 | 0.78 | 29.67 | 1.59 | 0.05 | 0.28 | 25.13 | 34.11 | |
| BW | Yc | 5.43 | 4.91 | 0.51∗∗ | 5.37 | 0.56 | 0.47 | 0.61 | 3.96 | 7.09 |
| Bg | 5.81 | 5.37 | 0.44∗ | 5.60 | 0.65 | -0.18 | 0.01 | 3.92 | 7.41 | |
| LP | Yc | 37.07 | 38.74 | -1.67 | 37.73 | 1.94 | 0.22 | 0.63 | 31.63 | 43.87 |
| Bg | 39.07 | 39.87 | -0.81 | 38.16 | 1.75 | -0.47 | 0.71 | 31.69 | 42.15 | |
∗,∗∗Significant at P = 0.05 and P = 0.01, respectively. aFL, fiber length; FU, fiber uniformity; MIC, micronaire; FE, fiber elongation; FS, fiber strength; BW, boll weight; LP, lint percentage. bYc, Yacheng of Hainan Province; Bg, Baogang of Hainan Province.