Table 1 Statistic and diversity of lignin-relevant traits and enzymatic digestibility of the rice recombinant inbred line population and two parents.

From: Genetic loci simultaneously controlling lignin monomers and biomass digestibility of rice straw

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

  1. aP value of t-test of the difference between two parents.
  2. bAverage ± standard deviation.
  3. cCoefficient of variation (SD*100/mean).
  4. dP value of Kolmogorov-Smirnov test.
  5. eCWR, cell wall residue, represents the de-starched alcohol-insoluble residues.
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