Molecular Markers and Cotton Genetic Improvement: Current Status and Future Prospects

Table 2

An overview of genetic diversity studies in cotton using molecular markers.

Marker	Country	Population type	Size	References
RAPDs	USA	16 near-homozygous elite cotton genotypes	80 RAPD primers	[23]
	Pakistan	31 Gossypium species, 3 subspecies and 1 interspecific hybrid	45 RAPD primers	[115]
	USA	10 varieties of Upland cotton	86 RAPD primers	[32]
	Pakistan	30 cultivars of G. arboretum	50 RAPD primers	[169]
	Iran	13 and cotton genotypes (Gossypium hirsutum) obtained by crossing	30 RAPD primers	[170]
	India	Intraspecific cotton hybrid and its parents	20 RAPD primers	[171]
	Iran	11 genotypes of G. hirsutum including 6 progenies	40 RAPD primers	[172]
SSRs	USA	24 cultivars of G. hirsutum	88 SSR primers	[173]
	China	39 accessions of G. arboreum	358 SSR primers	[174]
	China	108 accessions of Asiatic cotton and 1 G. herbaceum	60 SSR primers	[175]
	China	43 sources of Upland cotton germplasm	36 SSR primers	[124]
	France	47 genotypes of tetraploid cotton	320 SSR primers	[176]
	USA	96 accessions of G. arboreum	115 Genomic and EST-SSRs	[177]
	Pakistan	8 accessions of G. hirsutum	32 SSR primers	[178]
	China	59 genotypes of G. hirsutum	40 EST-SSR primers	[179]
	Greece	29 genotypes of G. hirsutum and an interspecific hybrid	12 SSR primer pairs	[180]
	China	56 accessions of Sea island cotton	237 SSR primers	[125]
	Egypt	28 genotypes of Egyptian cotton	6 SSR and 5 EST-SSR primer	[2]
	Pakistan	19 genotypes of Bt cotton	104 SSR primers	[107]
	USA	193 cultivars of Upland cotton	448 SSR primers	[126]
	USA	378 accessions of G. hirsutum and 3 of G. barbadense	120 SSR primers	[181]
	Iran	11 genotypes of G. hirsutum including 6 progenies	4 SSR primers	[172]
AFLPs	USA	11 accessions of G. hirsutum and 2 from each of G. arboreum, G. herbaceum and G. barbadense	4 EcoRI-MseI primers for AFLP	[106]
	Belgium	Upland cotton, wild species (G. raimondii and G. thurbrii) and their BC3 progenies	5 AFLP primers	[117]
	USA	3 diploid species of Gossypium, 3 G. barbadense cultivars and 43 G. hirsutum accessions	20 AFLP primers	[13]
	USA	29 accessions from five species of the genus Gossypium	16 AFLP primers	[17]
	India	24 lines of G. hirsutum L.	6 AFLP primers	[182]
	Norway	131 accessions of G. barbadanse	8 AFLP primers	[183]
ISSRs	Iran	13 and cotton genotypes (Gossypium hirsutum)	8 ISSR primers	[170]
	Egypt	28 Egyptian cotton genotypes	5 ISSR primers	[2]
	India	Intraspecific cotton hybrid and its parents	19 ISSR primers	[171]
	Iran	11 genotypes of G. hirsutum including 6 progenies	20 ISSR primers	[172]
SNPs	Pakistan	2 cultivars of tetraploid cotton	Primers correspond to FIF1 gene	[184]
	USA	24 lines of cotton	270 SNP loci and 92 Indel	[99]