Article
Genetic variation and population structure of the mixed-mating cactus, Melocactus curvispinus (Cactaceae).
Heredity - 1 Jul 2001
Nassar J M, Hamrick J L, Fleming T H
Abstract excerpt
Genetic diversity was measured in the mixed-mating cactus, Melocactus curvispinus, in Venezuela. Allozyme diversity was surveyed in 19 putative loci over 18 populations. Compared to other plant taxa, this cactus is rich in polymorphic loci (Ps=89.5%), with high numbers of alleles per polymorphic locus (APs=3.82), but moderate levels of heterozygosity (Hes=0.145). Substantial levels of inbreeding were detected...
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