Table 1 . Heritability for seed shape traits estimated from analysis of variance.

Trait	MSM	MSE	dfM	dfE	VA	VE	H2
RIL1
Area	0.266	2.28 × 10−4	160	1.64 × 105	2.60 × 10−4	9.78 × 10−5	0.727
Major axis	1.54	1.52 × 10−3	160	1.64 × 105	1.50 × 10−3	7.68 × 10−4	0.662
Minor axis	0.421	4.79 × 10−4	160	1.64 × 105	4.12 × 10−4	2.73 × 10−4	0.601
RIL2
Area	3.61	2.84 × 10−4	161	2.18 × 106	2.69 × 10−4	1.50 × 10−4	0.642
Major axis	17.3	1.57 × 10−3	161	2.18 × 106	1.29 × 10−3	9.25 × 10−4	0.582
Minor axis	5.93	6.26 × 10−4	161	2.18 × 106	4.41 × 10−4	4.05 × 10−4	0.521
NIL
Area	0.265	2.24 × 10−4	91	4.77 × 105	5.10 × 10−5	1.98 × 10−4	0.205
Major axis	2.28	1.79 × 10−3	91	4.77 × 105	4.40 × 10−4	1.57 × 10−3	0.219
Minor axis	0.403	6.02 × 10−4	91	4.77 × 105	7.76 × 10−5	5.63 × 10−4	0.121

MS_M, mean square model; MS_E, mean square error; d_M, degrees of freedom of model; df_E, degrees of freedom of error, V_A, additive genetic variance; V_E, environmental variance; H², heritability.