S. latifolia genetic map. The map (estimated for the S. latifolia mapping family using JoinMap; see Materials and Methods) includes a total of 156 genic markers (153 excluding 3 genic markers mapped only on the Y, 2 of them in the nonrecombining part), and 239 segregating MITE insertions (197 excluding 42 on the Y). The analysis yielded 12 major linkage groups, corresponding to the expected 11 autosomes, plus the sex chromosome pair, all with LOD scores >4 (Table 1). For linkage group 4, integration of female-informative and male-informative markers was achieved using an additional family (J2010-1; see Table 3), and the map shown for this linkage group is therefore a consensus map. Five MITE markers were not detectably linked to any others, and there is also a small linkage group (12 cM) containing four MITE markers. Numbers to the left of the linkage groups indicate genetic distances in centimorgans, estimated using the Kosambi mapping function.