Characterization of early maturing elite genotypes based on MTSI and MGIDI indexes: an illustration in upland cotton (Gossypium hirsutum L.)

Table 2 Likelihood ratio test, deviance analysis, genetic parameters, and variance components for 11 morphological traits evaluated in 20 cotton genotypes

Parameter	DFF	DFBO	PCH-1	PCH-2	PCH-L	BI	HFFB	NNFFB	EP	MMD	PRI
SE	0.21	0.25	0.21	0.67	0.21	0.00	0.20	0.06	0.38	0.38	0.11
CV/%	4.24	3.01	55.38	26.43	105.04	9.02	16.73	16.43	43.47	3.98	19.30
σ²_p	7.63	5.09	9.14	71.16	5.03	0.00	5.36	0.52	30.16	19.39	1.57
σ²_g	3.57	2.26	4.57	29.12	1.66	0.001	0.50	0.08	13.57	3.15	0.39
σ²_ge	1.41	0.52	0.42	2.03	5.87	2.69	0.0002	0.72	0.01	3.48	0.50
h²_bs	0.47	0.44	0.50	0.41	0.33	0.41	0.09	0.15	0.45	0.16	0.25
GEI R²	0.19	0.10	0.22	0.08	0.54	0.12	0.14	0.03	0.12	0.03	0.36
h²_mg	0.89	0.89	0.89	0.88	0.77	0.87	0.52	0.68	0.89	0.69	0.73
AS	0.94	0.94	0.94	0.94	0.88	0.93	0.72	0.82	0.94	0.83	0.85
R²_ge	0.35	0.19	0.44	0.14	0.80	0.20	0.15	0.03	0.21	0.03	0.49
CV_g	2.48	1.17	36.81	13.77	41.74	3.99	3.84	5.24	27.54	1.21	6.96
CV_r	2.14	1.18	27.49	15.35	26.65	4.32	10.99	12.10	27.07	2.70	8.61
CV_g/ CV_r	1.16	0.99	1.34	0.90	1.57	0.92	0.35	0.43	1.02	0.45	0.81
LRT_ge	13.71	3.67	23.34	2.06	111.45	4.10	2.36	0.10	4.73	0.10	28.79
P-value	2.1 × 10^–4	5.55 × 10^–2	1.36 × 10^–6	1.51 × 10^–1	4.71 × 10^–26	4.28 × 10^–2	1.24 × 10^–1	7.56 × 10^–1	2.96 × 10^–2	7.53 × 10^–1	8.07 × 10^–8

SE Standard error, CV Coefficient of variation, σ²_p Phenotypic variance, σ²_g Genotypic variance, σ²_ge GEI variance, h²_bs Broad sense heritability, GEI R² GEI coefficient of determination, h²_mg Heritability of genotypic mean, AS Accuracy of genotype selection, R²_ge Association among genotypic values across environments, CV_g Genotypic coefficient of variation, CV_r Residual coefficient of variation, LRT_ge Likelihood ratio test for GE interaction, P-value Probability value, DFF Days to first flower, DFBO Days to first boll opening, PCH-1 Percent crop harvest at the first pick, PCH-2 Percent crop harvest at the first two picks, PCH-L Percent crop harvest at the last pick, BI Bartlett’s index, HFFB Height of the first fruiting branch, NNFFB Node number of the first fruiting branch, EP Earliness percentage, MMD Mean maturity date, PRI Production rate index

ISSN: 2523-3254