Conifer wood quality and marker-aided selection: a case study

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Abstract
Using marker-aided selection for improving wood specific gravity in loblolly pine (Pinustaeda L.) could shorten the generation interval and improve selection response. A genetic map with restriction fragment length polymorphisms and other markers is in progress using a pedigree suited to mapping genes for specific gravity. Mapping quantitative trait loci for specific gravity provides a prototype for demonstrating benefits of marker-aided selection and for testing hypotheses on the mode of gene action in forest tree species. Ultimately, the utility of marker-aided selection must be compared with phenotype-based selection in small specialty populations.

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