Comparative performance of hybrid generations reveals the potential application of F2 hybrids in upland cotton

Table 2 Analysis of variance and heritability analysis of each trait in Anyang

Trait	Generation	Block	Combination	M	F	F × M	Error	H²/%	h²/%
PH	F₁	2.55	9.54**	1.24	3.95*	5.09**	2.95	75.66	42.49
	F₂	0.81	5.80**	4.09*	5.67**	2.09	3.79	65.23	52.61
HFFB	F₁	7.93**	4.15**	1.65	11.56**	1.01	1.09	55.20	55.04
	F₂	8.90**	6.77**	7.10	16.73**	1.06	0.63	69.82	69.18
LFFB	F₁	1.77	17.65**	1.15	0.95	17.54**	1.05	85.04	2.57
	F₂	1.12	9.27**	1.49	1.89	6.99**	0.80	74.50	23.55
SFBL	F₁	1.30	17.73**	1.80	0.87	16.45**	1.90	85.77	12.46
	F₂	4.00*	12.74**	5.55*	1.26	7.39**	0.67	82.10	43.97
FBN	F₁	2.57	10.80**	3.25	4.87*	4.45**	0.08	78.86	54.53
	F₂	2.84	17.05**	0.81	4.30*	8.90**	0.06	85.49	47.30
SCY	F₁	2.89	10.84**	5.68*	4.14*	4.23**	0.04	79.46	57.38
	F₂	0.79	8.79**	10.79**	1.53	3.45**	0.04	76.56	57.45
LY	F₁	1.38	15.99**	18.99**	8.88**	2.75*	0.01	86.27	78.27
	F₂	1.86	14.98**	16.60**	1.88	4.31**	0.01	85.72	69.97
BN	F₁	0.81	4.84**	0.91	5.00*	2.27*	0.64	58.92	41.48
	F₂	1.40	3.37**	8.71**	2.23	1.37	0.42	50.43	44.27
BW	F₁	1.82	17.91**	9.73**	1.08	7.90**	0.03	87.44	58.57
	F₂	0.31	10.06**	20.39**	3.13	2.30**	0.07	79.78	71.04
LP	F₁	3.79*	27.26**	21.06**	1.94	6.59**	0.30	91.92	76.85
	F₂	2.42	16.44**	38.86**	4.41*	2.23*	0.40	87.30	82.10
FL	F₁	2.52	15.70**	19.00**	7.9**	2.83*	0.24	86.08	77.57
	F₂	1.12	6.43**	27.29**	13.44**	0.77	0.50	70.80	70.80
FU	F₁	1.54	1.46	7.13*	1.91	0.68	0.65	25.81	25.81
	F₂	3.10	2.70*	1.30	1.26	2.42*	0.69	37.17	7.44
FE	F₁	0.48	1.16	1.22	3.22	0.69	0.00	15.33	15.33
	F₂	0.74	4.84**	6.00*	5.62*	1.60	0.00	60.78	52.98
FS	F₁	3.67*	20.44**	0.98	0.51	23.87**	0.27	88.40	0.00
	F₂	0.29	6.64**	6.09*	2.75	2.98*	0.60	69.23	48.91
MIC	F₁	1.93	10.17**	33.57**	13.43**	1.10	0.04	79.83	79.13
	F₂	1.89	2.16*	4.68*	4.00*	0.91	0.07	34.43	34.43

ISSN: 2523-3254