Domestication Strategies for Forest Trees

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Abstract
This paper is based in large part on recent reviews of tree breeding programs in the southeastern United States, the Pacific Northwest, New Zealand, southeastern Australia, and Taiwan. Domestication, which here includes tree breeding, is discussed generally in terms of original species variability, the processes of selection and packaging, and the returns via a more useful renewable resource. Six reasons why forest geneticists and tree breeders plant trees are given, along with the different requirements for site, planting design, number of trees, and number of entry genotypes or lines for each reason. A flow chart is presented, showing the various kinds of plantations and forests established during a domestication program, and the physical movement of gene packages between such plantations and forests. The information flow within the scheme is also discussed.

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