Construction of a high-density genetic map and identification of QTLs related to agronomic and physiological traits in an interspecific (Gossypium hirsutum × Gossypium barbadense) F2 population

Table 1 Characteristics of the 26 linkage groups in allotetraploid cotton

Chr	No. bins	Distance (cM)	Average distance	Average length of bin (Kb)	Gap number (> 10 cM)	Recombination rate (cM/Mb)	RHRs
A01	234	168.32	0.72	505.0	1	1.42	104
A02	197	159.41	0.81	549.6	0	1.47	76
A03	254	180.2	0.71	439.3	1	1.61	113
A04	239	234.94	0.98	366.9	1	2.68	110
A05	256	272.68	1.07	433.0	2	2.46	147
A06	206	167.24	0.81	614.0	0	1.32	99
A07	255	191.84	0.75	378.8	0	1.99	138
A08	189	126.69	0.67	661.7	0	1.01	78
A09	262	189.01	0.72	317.6	0	2.27	150
A10	326	208.36	0.64	353.1	0	1.81	151
A11	405	284.58	0.7	299.7	0	2.34	219
A12	284	210.33	0.74	378.8	0	1.95	166
A13	348	269.64	0.77	317.1	2	2.44	166
At-Total	3455	2663.24	0.78	431.89	7	1.78	1717
D01	232	154.67	0.67	278.9	0	2.39	119
D02	257	199.83	0.78	271.5	0	2.86	115
D03	173	152.18	0.88	311.5	0	2.82	91
D04	157	134.93	0.86	362.6	0	2.37	95
D05	282	233.47	0.83	226.7	0	3.65	207
D06	221	180.13	0.82	296.2	1	2.75	103
D07	173	189.57	1.10	337.7	1	3.25	107
D08	217	187.01	0.86	318.3	1	2.71	127
D09	185	185.67	1.00	281.1	2	3.57	121
D10	228	199.29	0.87	293.3	2	2.98	126
D11	317	218.19	0.69	225.1	0	3.06	200
D12	195	195.58	1.00	316.4	0	3.17	143
D13	211	163.37	0.77	305.4	0	2.53	109
Dt-Total	2848	2393.89	0.86	294.21	7	2.85	1663
Total	6303	5057.13	0.80	363.1	14	2.21	3380

ISSN: 1471-2164