Table 1.
Statistic and diversity of lignin-relevant traits and enzymatic digestibility of the rice recombinant inbred line population and two parents.
| Traits | Parents | Population | ||||||
|---|---|---|---|---|---|---|---|---|
| HH-3 | ZX | P a | Mean ± SDb | Min | Max | CVc | P d | |
| Lignin-relevant trait | ||||||||
| Lignin (% CWRe) | 16.97 | 15.63 | 0 | 16.40 ± 0.81 | 14.63 | 18.21 | 4.94 | 0.06 |
| H (mg g−1) | 2.19 | 2.47 | 0.06 | 1.98 ± 0.39 | 1.08 | 2.68 | 19.70 | 0.08 |
| S (mg g−1) | 8.23 | 9.49 | 0.01 | 8.06 ± 1.66 | 4.29 | 11.47 | 20.60 | 0.08 |
| G (mg g−1) | 16.00 | 13.22 | 0.06 | 13.17 ± 3.28 | 5.73 | 21.00 | 24.91 | 0.08 |
| H% (mol mol−1%) | 9.04 | 10.95 | 0 | 9.71 ± 1.39 | 6.22 | 14.48 | 14.32 | 0.07 |
| S% (mol mol−1%) | 30.64 | 35.41 | 0 | 32.79 ± 2.38 | 26.71 | 38.33 | 7.26 | 0.06 |
| G% (mol mol−1%) | 60.32 | 53.64 | 0 | 57.51 ± 3.05 | 49.95 | 64.40 | 5.30 | 0.10 |
| H/S (mol mol−1%) | 29.52 | 30.92 | 0.26 | 29.69 ± 4.26 | 20.02 | 41.98 | 14.35 | 0.07 |
| H/G (mol mol−1%) | 14.98 | 20.41 | 0 | 17.01 ± 3.16 | 9.92 | 28.37 | 18.58 | 0.09 |
| S/G (mol mol−1%) | 50.82 | 66.04 | 0 | 57.37 ± 7.10 | 41.73 | 76.71 | 12.38 | 0.08 |
| Enzymatic digestibility | ||||||||
| Xyl-Rel (% dry matter) | 4.54 | 3.17 | 0.01 | 4.06 ± 1.39 | 1.79 | 8.58 | 34.24 | 0.13 |
| Glc-Rel (% dry matter) | 15.15 | 13.49 | 0.05 | 14.59 ± 2.20 | 9.92 | 20.92 | 15.08 | 0.08 |
aP value of t-test of the difference between two parents.
bAverage ± standard deviation.
cCoefficient of variation (SD*100/mean).
dP value of Kolmogorov-Smirnov test.
eCWR, cell wall residue, represents the de-starched alcohol-insoluble residues.