High-density linkage map construction and QTL analyses for fiber quality, yield and morphological traits using CottonSNP63K array in upland cotton (Gossypium hirsutum L.)

Table 2 The broad-sense heritability of fiber quality, yield component related and morphological traits in the RIL population evaluated in the field at Central Crops Research Station, Clayton, NC across 2 years (2016 and 2017)

	MIC^a	UHM	UI	STR	ELO	SFC	BW	LP	SI	LI	PH^b	FG
V_g	0.230	0.0077	2.507	4.593	1.675	3.004	0.430	21.032	0.797	1.197	24.517	15.60
V_p	0.258	0.0084	3.003	5.255	1.811	3.534	0.522	21.958	0.931	1.257	43.422	17.26
H²	89%	92%	83%	87%	92%	85%	82%	96%	86%	95%	56%	90%

The broad-sense heritability (H²) = genetic variance (V_g)/phenotypic variance (V_p)
^a MIC micronaire, UHM upper half mean length, UI uniformity index, STR fiber strength, ELO fiber elongation, SFC short fiber content, BW boll weight, LP lint percentage, SI seed index, LI lint index, PH plant height, FG fuzziness grade of seed
^b PH with only year 2017 data used

ISSN: 1471-2164