Eucalypt Domestication And Breeding
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Eucalypt Domestication And Breeding
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Author : Ken Eldridge
language : en
Publisher: Oxford University Press, USA
Release Date : 1993
Eucalypt Domestication And Breeding written by Ken Eldridge and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Business & Economics categories.
Fast-growing eucalypts have long been recognized as useful in helping to meet the demand for wood throughout the warmer parts of the world. Eucalypts are exceptionally versatile and are grown in numerous small woods and windbreaks to produce poles as well as in extensive plantations managed by the pulp and paper industries. This timely book shows how to breed improved eucalypts that will provide more and better wood on appropriate sites selected through sound planning. The author emphasizes making greater use of the immense richness of the genetic resources of the eucalypts, especially in the first or second generation of domesticated "wild" eucalypts harvested for wood production. The book details aspects of variation, selection, and reproduction that are unique to eucalypts. The author cogently asserts the case that large gains in production and quality can be obtained for relatively little cost by choosing the best geographic seed sources. Once suitable base populations have been assembled, the author argues, well-planned recurrent selection and mating will assure continued long-term genetic gain. This book is essential reading for practicing foresters managing eucalypt plantations and will be of significant interest to planners and administrators in aid agencies.
Eucalypt Domestication And Breeding
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Author : Ken Eldridge
language : en
Publisher:
Release Date : 1994
Eucalypt Domestication And Breeding written by Ken Eldridge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Eucalypt Domestication And Breeding
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Author : K. G. Eldridge
language : en
Publisher:
Release Date : 2023
Eucalypt Domestication And Breeding written by K. G. Eldridge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Eucalyptus categories.
Explains how to get better seed from expanding Eucalyptus plantations. This can be achieved by making well-planned seed collections from natural forests, followed by field trials with repeated selection and cross-pollination, and can soon produce faster growing, straighter trees.
Genetics Genomics And Breeding Of Eucalypts
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Author : Robert J. Henry
language : en
Publisher: CRC Press
Release Date : 2014-07-08
Genetics Genomics And Breeding Of Eucalypts written by Robert J. Henry and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Science categories.
Eucalypts are used for the production of paper products, firewood, charcoal, potential feedstocks for bioenergy and biomaterials, as ornamentals and landscape trees, and in land rehabilitation. Eucalypt breeding is at an early stage with many plantings being only at the first stages of domestication. The relatively small genomes of these species ma
Optimised Eucalypt Domestication
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Author : David James Bush
language : en
Publisher:
Release Date : 2015
Optimised Eucalypt Domestication written by David James Bush and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Eucalyptus cladocalyx is endemic to South Australia and has been planted extensively on farmland throughout southern Australia and in dry, Mediterranean climates overseas. Its wood is hard, strong and naturally durable, making it suitable for fuelwood and solid-wood applications. Domestication in Australia commenced in 2001, when 11 provenance-progeny trials were established. The breeding objective is to maximise sawlog production per hectare per year. This thesis, presented as six chapters, examines genetic aspects of these trials that will influence the future direction of the species' domestication program. Chapter 1 argues that traditional methods and assumptions historically used to identify selections in the first-generation breeding programs of the main commercial tree species can be improved upon in the following ways: (1) Examination of wood properties (in addition to growth and form traits) during the first generation, taking advantage of modern labour-saving techniques, rather than delaying until later generations when unidentified adverse genetic correlations between traits may be problematic. (2) Employing molecular markers to determine population genetic parameters and reconstruct pedigree and inbreeding information from families that have unknown or uncertain ancestry. (3) Using recently-developed mixed-modelling techniques that allow integration of marker-based pedigree and inbreeding information to model genotype-by-environment (GxE) interactions using large datasets. Chapter 2 examines genetic parameters including heritability of growth and wood natural durability traits and additive genetic correlations among traits. The use of near infrared reflectance as a low-cost method of screening durability traits such as decay mass loss and wood extractive content is also investigated. Chapter 3 examines the use of marker-based data to modify traditional assumptions made in analysis of first generation breeding populations. Previously published growth-trait estimates, together with an earlier isozyme study, indicated that the traditional approach may give upwardly biased heritability estimates due to high and heterogeneous selfing. Models were implemented that compared the approach of treating families as half-sibs with analyses based on previously existing isozyme estimates of heterogeneous family outcrossing to modify pedigree assumptions. The results of genotyping mature trees from the majority of families in the breeding population using single-nucleotide polymorphism (SNP) markers are presented in Chapter 4. Population structure and diversity, family relatedness, inbreeding and inbreeding depression were investigated. Chapter 5 integrates the marker-based estimates of family-level relatedness and inbreeding of Chapter 4 into a quantitative genetic analysis across sites using an extension of the methodology developed in Chapter 3. Individual-tree mixed models based on (i) the traditional half-sib family assumption and (ii) a modified mixed model incorporating marker-based data were compared. Analysis of GxE was performed across the 11 sites using individual-tree, factor analytic mixed models. Chapter 6 concludes that the prospects for genetic improvement of E. cladocalyx are good, due to ample, heritable genetic variation and absence of adverse genetic correlations among traits. Analyses with integrated molecular marker data were significantly improved, as traditional models were unsuitable due to the breeding population's heterogeneous and unusually high levels of inbreeding. Integration of marker data into first-generation analyses of eucalypt breeding populations is likely to find wider application in future.
The Eucalyptus
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Author : Robin W. Doughty
language : en
Publisher:
Release Date : 2000
The Eucalyptus written by Robin W. Doughty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Gardening categories.
For some, eucalypts are the tree of the future: easily established, quick to grow and intensively cultivated. For others, eucalypts are a blight upon native landscapes and the livelihoods of indigenous people. This book tells the story of how the eucalyptus - or gum tree - spread from its native ranges in Australia to diverse habitats throughout the world. First regarded as an exotic novelty and a popular ornamental in European botanical and residential gardens, the eucalyptus became, especially after World War II, the favoured tree of the global pulpwood industry and international agroforesters.
Genetics Genomics And Breeding Of Eucalypts
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Author : Robert J. Henry
language : en
Publisher: CRC Press
Release Date : 2014-07-08
Genetics Genomics And Breeding Of Eucalypts written by Robert J. Henry and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Science categories.
Eucalypts are used for the production of paper products, firewood, charcoal, potential feedstocks for bioenergy and biomaterials, as ornamentals and landscape trees, and in land rehabilitation. Eucalypt breeding is at an early stage with many plantings being only at the first stages of domestication. The relatively small genomes of these species make the application of molecular genetics approaches attractive. The application of modern genomics will accelerate the development of improved eucalypts for a wide range of uses. This book brings together diverse information on the genetics, genomics, and breeding of these important forest species.
Papers Of Kenneth Eldridge
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Author : Kenneth George Eldridge
language : en
Publisher:
Release Date : 1957
Papers Of Kenneth Eldridge written by Kenneth George Eldridge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Foresters categories.
The Acc10.070 instalment comprises diaries, notebooks and newspaper clippings relating to Eldridge's life and forestry career (2 boxes).
Prosea Plant Resources Of South East Asia 11 Auxiliary Plants
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Author :
language : en
Publisher: Yayasan Obor Indonesia
Release Date :
Prosea Plant Resources Of South East Asia 11 Auxiliary Plants written by and has been published by Yayasan Obor Indonesia this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Methodology For Controlled Breeding In Eucalypts
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Author : John Desmond Turner
language : en
Publisher:
Release Date : 1994
Methodology For Controlled Breeding In Eucalypts written by John Desmond Turner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Eucalyptus categories.