Construction of scaffold genetic linkage maps for two Hevea families: PB 5/51 X IAN 873 and RRIM 937 X RRIM 600
2012
Safiah A.
Four scaffold linkage maps were constructed for clones PB 5/51, IAN 873, RRIM 937 and RRIM 600 and two consensus maps (PB 5/51 IAN 873 and RRIM 937 RRIM 600) using AFLP markers. The loci for clones PB 5/51 and IAN 873 were spread across 18 linkage groups, corresponding to the basic chromosome number of Hevea (n = 18) and cover between 269.6 cM to 272.3 cM, respectively. The average marker densities for these two clones were 4.4 to 4.5 cM per marker. Meanwhile, the coverage for clones RRIM 937 and RRIM 600 spanned 15 to 12 linkage groups respectively, with marker density between 4.7 cM for RRIM 937 and 11.3 cM for RRIM 600. The linkage groups for maps of clones RRIM 937 and RRIM 600 did not have the basic chromosome number of 18, because this population showed inbreeding in which RRIM 600 was a reoccurring parent in the population.
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