Molecular genetic studies on abiotic stress resistance in sorghum entries through using half diallel analysis and inter-simple sequence repeat (ISSR) markers

Bulletin of the National Research Centre

Table 8 Determination of all genetic parameters in all traits estimated under the control treatment and water deficit conditions

Genetic components	GY/P		MRL		No. of R/P		RDW		OP		Proline C.		ΔT		SPAD values
	CT	DT	CT	DT	CT	DT	CT	DT	CT	DT	CT	DT	CT	DT	CT	DT
Additive variance	108.66	105.03	194.56	139.0	203.22	149.77	270.0	206.13	64.69	78.0	319.57	259.01	66.0	39.06	73.95	61.09
Dominance variance	112.40	73.18	142.69	220.24	125.80	135.85	305.77	267.0	117.33	69.84	467.0	275.03	107.4	55.14	116.0	74.3
Genotypic variance	221.06	178.21	337.25	359.24	329.02	285.62	575.77	473.13	182.02	147.84	786.57	534.04	173.4	94.2	189.95	135.39
Environmental variance	0.55	0.40	0.22	0.18	0.68	0.59	0.28	0.19	0.24	0.13	0.38	0.29	0.32	0.38	0.49	0.39
Phenotypic variance	221.61	178.61	337.47	359.42	329.7	286.21	576.05	473.32	182.26	147.97	786.95	534.33	173.72	94.58	190.44	135.78
RI	49.15	58.93	57.69	38.69	61.76	52.43	46.89	43.56	35.54	52.75	40.62	48.50	38.06	41.46	38.93	45.12
H² (NS)	49.03	58.80	57.65	38.67	61.63	52.32	46.87	43.54	35.49	52.71	40.60	48.47	37.99	41.29	38.83	44.99
H² (BS)	99.75	99.77	99.93	99.94	99.79	99.79	99.95	99.96	99.86	99.91	99.95	99.94	99.81	99.59	99.74	99.71
Mean	45.13	37.11	55.67	46.15	501.34	407.54	10.16	8.01	1.86	1.98	57.25	47.42	2.54	2.68	52.37	41.02
GCV%	32.94	35.97	32.98	41.06	3.61	4.14	236.17	271.55	725.34	614.08	48.98	48.73	518.43	362.15	26.31	28.36
PCV%	32.98	36.01	32.99	41.07	3.62	4.15	236.23	271.61	725.82	614.35	49.0	48.74	518.90	362.88	26.35	28.40

RI = 1/2 δ²GCA/(1/2 δ²GCA + δ²SCA) × 100; H² (NS) = 1/2 δ²GCA/(1/2 δ²GCA + δ²SCA + δe) × 100; H² (BS) = (1/2 δ²GCA + δ²SCA)/(1/2 δ²GCA + δ²SCA + δ²e) × 100; GCV% = GV/mean × 100; PCV% = PV/mean × 100