Introduction to Forest GeneticsIntroduction to Forest Genetics examines some of the basic genetic concepts typically used in forestry and tree improvement studies, including Mendelian and population genetics. It also describes techniques that are generally useful in tree improvement work, including individual tree selection and breeding, provenance testing, species and racial hybridization, and introduction of exotics. Organized into 19 chapters, this volume begins with an overview of forest genetics and problems associated with forest genetics. It then discusses concepts from basic genetics, including chromosome structure and function; DNA and RNA; nongenetic inheritance; and genotype versus phenotype. Other chapters focus on inbreeding: complete elimination of homozygous recessive trees; mutation and migration; and controlled pollination and vegetative propagation. The book also covers the establishment and measurement of test plantations; general principles and methods of selective breeding; choice of breeding method and type of seed orchard; heritability and genetic gain; geographic variation in Scotch pine and American trees; species and racial hybridization; chromosome studies; and polyploidy and haploidy breeding. This book is a valuable resource for foresters, professional tree breeders, and those with or without previous training in genetics or forestry. |
Contents
Concepts from Basic Genetics | 7 |
Provenance Testing | 13 |
Nongenic Inheritance | 20 |
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aa trees areas average blocks branches breeders buds calculate cell chromosomes clonal orchard clonal seed orchard clonal selection clones combining ability cone conifers controlled pollination cottonwood crossed cuttings Douglas-fir eastern white pine eucalypts experiments F₁ hybrids F₂ family heritability family selection female flowers Forest Tree frequency full-sib family selection full-sib progeny test genes genetic gain genotype grafted trees growing grown growth rate half-sib progeny test hybrid vigor inbreeding larch loblolly pine male maple mass selection measured Monterey pine mutation native northern Norway spruce nursery open-pollinated parents Photograph courtesy planted plots pollen polyploid poplars population produce provenance range recessive genes red pine region relatively replicated resistance root rust scion Scotch pine seed collected seed orchards seedlings seedlots selection differential single tree heritability slash pine southern spruce stands test plantations thinning tion traits Tree Breeding understock United usually variance varieties western winter