Genetic effects conferring heat tolerance in upland cotton (Gossypium hirsutum L.)

Table 7 Narrow sense heritability (h²ns), broad sense heritability (h²bs), Genetic Advance (GA), Heterosis (Ht) and Better parent heterosis (Hbt) for boll weight, ginning outturn, fibre length, fibre strength, fibre fineness and relative cell injury in VH-282 × FH-142

Traits	Stress Conditions	Cross-1					Cross-2
Traits	Stress Conditions	h²_nb	h²_bs	GA	Ht	Hbt	h²_nb	h²_bs	GA	Ht	Hbt
BW	N	0.66	0.86	0.52	4.36	3.81	0.64	0.91	0.60	15.30*	15.18*
BW	H	0.71	0.81	0.65	17.47*	16.73*	0.74	0.82	0.83	8.38	3.82
GOT	N	0.62	0.89	3.49	−0.66	−0.84	0.63	0.85	3.13	−0.28	−1.11
GOT	H	0.51	0.92	3.35	−0.20	−0.24	0.44	0.90	3.27	3.94	2.24
FL	N	0.49	0.84	2.27	−0.60	−1.09	0.57	0.76	1.90	2.61	1.46
FL	H	0.57	0.89	2.28	2.98	1.97	0.58	0.82	2.05	3.56	3.31
FS	N	0.56	0.93	4.05	0.28	−0.57	0.45	0.89	3.79	−0.72	−0.83
FS	H	0.64	0.94	4.01	−0.43	−1.65	0.61	0.93	3.97	0.19	−0.98
FF	N	0.72	0.91	1.02	0.94	0.54	0.69	0.90	1.01	−0.26	−1.34
FF	H	0.54	0.96	1.08	−1.68	−2.18	0.59	0.82	1.06	0.36	0.29
RCI	N	0.52	0.95	16.91	9.09	8.98	0.43	0.83	14.39	5.18	5.16
RCI	H	0.56	0.91	15.30	7.28	−1.85	0.58	0.80	13.75	5.96	1.25

ISSN: 2523-3254