Table 2. Analysis of variance and heritability for seed and pod traits for the RIL population across three years.

Trait	Variables	df	Mean Square	F-value	P-value	H2 i
16/64P a	Year	2	1.773000	66.732	<0.001	74.4%
	RIL	158	0.146410	22.969	<0.001
	RIL x Year	283	0.010780	1.692	<0.001
	Error	771	0.006370
KP b	Year	2	0.006400	13.101	<0.001	68.7%
	RIL	158	0.002480	20.106	<0.001
	RIL x Year	283	0.000295	2.390	<0.001
	Error	772	0.000123
PW c	Year	1	0.133000	20.177	<0.001	79.3%
	RIL	154	0.029922	19.764	<0.001
	RIL x Year	151	0.002186	1.444	<0.005
	Error	575	0.001514
SdW d	Year	1	0.172000	26.291	<0.001	80.3%
	RIL	154	0.030020	21.008	<0.001
	RIL x Year	151	0.002080	1.456	<0.05
	Error	575	0.001429
SP e	Year	1	0.021000	0.212	NS	61.3%
	RIL	154	0.330870	7.424	<0.001
	RIL x Year	150	0.047960	1.076	NS
	Error	561	0.044570
DP f	Year	1	0.000122	11.281	<0.001	40.4%
	RIL	154	0.000025	3.429	<0.001
	RIL x Year	151	0.000010	1.347	<0.01
	Error	576	0.000007
PA g	Year	1	0.014504	3.058	NS	79.6%
	RIL	154	0.021535	19.677	<0.001
	RIL x Year	151	0.001464	1.337	<0.01
	Error	575	0.001094
PD h	Year	1	0.000009	73.824	<0.001	67.5%
	RIL	154	0.000000	11.275	<0.001
	RIL x Year	151	0.000000	1.751	<0.001
	Error	571	0.000000

^a16/64 percentage as seed size index; ^b kernel percentage; ^c pod weight; ^d seed weight; ^e single-kernel pods; ^f double-kernel pods; ^g pod area; ^h pod density. ⁱ Broad sense heritability.

Note: NS indicates non-significance at P-value < 0.05.