Table 3.

Mean squares and genetic components for TGW, SPY, Grain Fe and Zn densities in Line × Tester (Including parents) mating design in Irrigated and Aerobic methods. df—Degrees of freedom; *P < 0.05; **P < 0.01.

Source	df	Irrigated				Aerobic
		TGW	SPY	Fe	Zn	TGW	SPY	Fe	Zn
Replication	2	0.35	0.78	2.29**	9.72**	0.03	0.04	0.46	9.70*
Genotypes	23	13.15**	14.5**	2.46**	18.08**	9.55**	14.51**	4.12**	53.38**
Cross	15	18.03**	14.17**	1.16**	11.59**	11.95**	12.98**	2.48**	30.85**
Lines (C)	3	26.51**	16.05**	0.71*	6.04**	10.71**	21.24**	3.84**	22.48**
Testers (C)	3	12.5**	1.7	1.21**	26**	6.22**	7.86**	2.18**	91.93**
L × T (C)	9	17.04**	17.7**	1.28**	8.63**	14.27**	11.93**	2.12**	13.29**
Parent	7	4.41**	12.99**	4.28**	28.38**	5.76**	12.53**	7.65**	64.86**
Lines (P)	3	1.47	1.35	6.25**	38.12**	4.02**	2.25	10.88**	63.12**
Testers (P)	3	2.57	3.92**	1.24**	24.5**	0.47	5.07**	1.85**	71.69**
L × T (P)	1	18.7**	75.08**	7.48**	10.8**	26.80**	65.70**	15.36**	49.60**
Cross vs Parent	1	1.16	30.15**	9.25**	43.45**	0.09	51.31**	3.9**	310.93**
Error	46	0.98	0.88	0.19	0.80	0.60	0.81	0.24	3.07
Proportional contribution of Lines, Testers and Line × Tester mating design
Lines		29.42	22.65	12.32	10.43	17.93	32.73	30.97	14.57
Testers		13.87	2.4	20.98	44.88	10.41	12.11	17.63	59.59
Line × Testers		56.71	74.95	66.7	44.69	71.66	55.15	51.4	25.84
Genetic components
σ2 GCA		0.034	−0.123	−0.005	0.103	−0.081	0.036	0.012	0.61
σ2 SCA		5.418	5.729	0.38	2.589	4.65	3.73	0.59	3.203
σ2 GCA / σ2 SCA		0.006	−0.021	−0.012	0.04	−0.017	0.01	0.021	0.19
Predictability ratio		0.01	−0.04	−0.02	0.07	−0.04	0.02	0.04	0.28
[2 σ2 GCA / (2σ2 GCA + σ2 SCA)]

TGW—1000 Grain Weight; SPY—Single Plant Yield; Fe—Grain Fe content; Zn—Grain Zn content.