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

Table 4 Traits measured and selection differential for the WAASBY index of 20 cotton genotypes using MTSI approach

Character	Factor	X_o	X_s	SD	PSD/%	SG	PSG/%	Indicators
DFF	FA 1	76.12	74.37	-1.75	-2.30	-1.55	-2.04	Decrease
DFBO	FA 1	128.95	127.39	-1.56	-1.21	-1.39	-1.08	Decrease
PCH-2	FA 1	39.18	44.42	5.24	13.38	4.61	11.77	Increase
PCH-L	FA 1	3.09	2.17	-0.91	-29.59	-0.70	-22.69	Decrease
BI	FA 1	0.66	0.69	0.03	4.60	0.03	4.02	Increase
MMD	FA 1	147.05	144.85	-2.20	-1.50	-1.53	-1.04	Decrease
HFFB	FA 2	18.49	18.26	-0.22	-1.20	-0.12	-0.63	Decrease
NNFFB	FA 2	5.41	5.17	-0.24	-4.45	-0.16	-2.98	Decrease
PRI	FA 2	9.02	9.31	0.29	3.22	0.21	2.35	Increase
PCH-1	FA 3	5.81	8.12	2.32	39.91	2.07	35.61	Increase
EP	FA 3	13.38	16.83	3.46	25.84	3.08	23.00	Increase

X_o Mean of the original population, X_s Mean of the selected genotypes, SD Selection differential, PSD Percent selection differential, SG Selection gain, PSG Percent selection gain, DFF Days to first flower, DFBO Days to first boll opening, PCH-2 Percent crop harvest at the first two picks, PCH-L Percent crop harvest at the last pick, BI Bartlett’s index, MMD: Mean maturity date, HFFB Height of the first fruiting branch, NNFFB Node number of the first fruiting branch, PRI Production rate index, PCH-1 Percent crop harvest at the first pick, EP Earliness percentage

ISSN: 2523-3254