Table 2.

Summary of linkage maps for 15 RIL families.

Families	Number of lines	Map length (cM)	Markers mapped	Average genetic distance (cM)a	Recombination rate (cM/Mb)
NAM01	152	2031.4	6,912	0.29	3.15
NAM02	145	2038.7	7,892	0.26	3.16
NAM03	114	2446.2	6,621	0.37	3.79
NAM04	134	1962.3	8,033	0.24	3.04
NAM05	173	1882.2	9,375	0.20	2.92
NAM06	148	1941.3	5,344	0.36	3.01
NAM07	183	2322.1	5,724	0.41	3.60
NAM08	144	1992	7,659	0.26	3.09
NAM09	138	1990.9	6,112	0.33	3.08
NAM10	132	1967.5	6,116	0.32	3.05
NAM11	138	1564.7	4,079	0.38	2.42
NAM12	177	1741.4	5,538	0.31	2.70
NAM13	142	1876.3	4,787	0.39	2.91
NAM14	97	2166.9	4,405	0.49	3.36
NAM15	124	1922.2	6,104	0.31	2.98
Total	2,141	29,846.1	94,701	0.32	3.08

^aAverage genetic distance between successive markers.