Combining ability and gene action studies for yield and fibre traits in Gossypium arboreum using Griffings numerical and Haymans graphical approach

Table 5 Variances and covariances for yield and fibre quality traits in G. arboreum

S.No	Parents	DFF		PH		NMB/P		NSB/P		NB/P		NL/B		DBB		BW		NS/B		SCY/P
S.No	Parents	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr
1	PDB29	2.038	6.337	38.232	280.985	-0.136	0.142	1.186	6.533	0.955	13.52	-0.003	0.013	-5.493	4.381	0.035	0.049	2.708	9.078	8.547	66.587
2	PAIG379	0.968	4.074	217.445	210.419	-0.069	0.057	1.05	2.531	-3.392	8.62	-0.011	0.002	7.426	4.713	0.021	0.009	-0.15	5.106	-1.767	29.973
3	RG763	0.834	7.434	144.843	308.932	0.29	0.333	1.786	8.435	0.018	4.245	-0.012	0.021	5.505	12.07	0.04	0.065	-0.336	3.87	-2.733	39.272
4	CNA1007	0.835	0.547	-26.611	412.156	-0.013	0.175	0.595	10.752	-0.973	5.05	0.003	0.019	-5.072	4.283	-0.005	0.017	0.16	3.891	-0.595	40.205
5	PA838	0.568	3.085	32.002	46.949	0.082	0.039	0.6	3.154	2.138	6.11	0.016	0.013	6.923	5.933	-0.036	0.039	-0.104	6.679	2.993	17.365
6	K12	3.455	6.926	43.378	170.868	0.134	0.241	-1.995	5.405	6.052	11.914	0.159	0.171	10.925	14.767	0.042	0.135	4.076	18.501	19.719	100.217
	Total	8.698	28.403	449.288	1430.309	0.289	0.987	3.221	36.811	4.796	49.459	0.151	0.24	20.215	46.146	0.098	0.314	6.355	47.126	26.164	293.621
	Mean	1.45	4.734	74.881	238.385	0.048	0.165	0.537	6.135	0.799	8.243	0.025	0.04	3.369	7.691	0.016	0.052	1.059	7.854	4.361	48.937

S.No	Parents	GOT		SI		LI		UHML		UI		Str		EL		Mic
S.No	Parents	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr	Wr	Vr
1	PDB29	1.573	2.589	-0.063	0.021	-0.019	0.043	0.941	0.488	0.369	0.153	1.127	1.649	0.025	0.041	0.072	0.098
2	PAIG379	-3.197	50.561	-0.144	1.631	0	0.078	0.135	0.855	0.627	1.233	0.119	1.674	-0.005	0.014	0.129	0.195
3	RG763	0.947	0.946	-0.161	0.17	-0.013	0.037	1.959	2.614	0.372	0.576	1.349	1.61	0.009	0.027	0.14	0.145
4	CNA1007	1.294	1.871	0.293	0.543	0.052	0.117	1.37	2.063	0.099	1.289	0.913	3.071	0.008	0.041	0.058	0.059
5	PA838	-4.356	47.329	-0.249	1.145	0.011	0.014	1.191	1.536	0.309	0.125	1.218	2.692	0.023	0.047	0.034	0.031
6	K12	-1.254	2.043	0.208	0.303	0.027	0.093	0.127	0.88	0.282	0.54	0.193	1.032	-0.001	0.008	0.095	0.084
	Total	-4.993	105.339	-0.117	3.813	0.058	0.381	5.722	8.437	2.057	3.916	4.92	11.728	0.059	0.177	0.527	0.612
	Mean	-0.832	17.556	-0.019	0.636	0.01	0.064	0.954	1.406	0.343	0.653	0.82	1.955	0.01	0.03	0.088	0.102

Vr variance, Wr covariance, DFF days to fifty per cent flowering (days), PH plant height (cm), NMB/P the number of monopodia per plant, NSB/P the number of sympodia per plant, NB/P the number of bolls per plant, NL/P the number of locules per boll, DBB days to first boll bursting (days), BW boll weight (g), NS/B the number of seeds per boll, SCY/P seed cotton yield per plant (g), SI seed index (g), LI lint index (g), GOT ginning out turn (%), UHML upper half mean length (mm), Str fibre strength (g·tex^–1), UI uniformity index, EL elongation percentage (%), Mic micronaire

ISSN: 2523-3254