Table 1 Statistical analysis of seed density within per silique and its related traits in F2 population and F2:3 family.

From: QTL mapping for seed density per silique in Brassica napus

Sample

Sizea

Trait

Mean

Rangeb

Variance

Skewness

Kurtosis

W-testc

p-valued

F2

780

SPSe

20.84 ± 3.36

8.58–30.36

11.27

− 0.57

0.38

0.969

0.0000

VSLf

7.12 ± 1.19

4.15–10.60

1.41

0.07

− 0.57

0.976

0.0001

SDPSg

2.98 ± 0.61

1.23–4.90

0.37

0.65

− 0.16

0.940

0.0000

F2:3

573

SPSe

19.42 ± 2.21

12.16–26.48

4.88

− 0.18

0.13

0.987

0.6981

VSLf

6.92 ± 1.07

4.67–9.98

1.15

0.32

− 0.49

0.966

0.0000

SDPSg

2.89 ± 0.54

1.71–4.39

0.29

0.26

− 0.76

0.961

0.0000

  1. aSize of the sample population. bRange of the minimum value and maximum value for the trait. cW-test is the Shapiro Wilk W-statistic for the test of normality. dp-value is the p-value for W-test of normality. eSPS is seed number per silique. fVSL is valid silique length (cm). gSDPS is seed density within per silique (seed/cm).
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