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Breeding design considerations for coastal Douglas-fir.Author(s): Randy Johnson
Source: Gen. Tech. Rep. PNW-GTR-411. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 34 p
Publication Series: General Technical Report (GTR)
Station: Pacific Northwest Research Station
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DescriptionThe basic principles of designing forest tree breeding programs are reviewed for Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) in the Pacific Northwest. Breeding populations are discussed given current and future breeding zone sizes and seed orchard designs. Seed orchard composition is discussed for potential genetic gain and maintaining genetic diversity in the forest. Mating and field testing designs are described and compared. Recommendations of the Breeding Zone Evaluation and Restructuring Cooperatives Working Group of the Northwest Tree Improvement Cooperative are presented.
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CitationJohnson, Randy. 1998. Breeding design considerations for coastal Douglas-fir. Gen. Tech. Rep. PNW-GTR-411. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 34 p
KeywordsDouglas-fir, multiple populations, sublines, breeding population, gene resource populations, mating designs, selection, seed orchard
- West Coast tree improvement programs: a break-even, cost-benefit analysis
- Building on a century of forest genetics research
- Current seed orchard techniques and innovations
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