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Author : Dean W. Einspahr,Lawson L. Winton
Publisher : Unknown
Page : 32 pages
File Size : 55,6 Mb
Release : 1977
Category : Aspen
ISBN : MINN:31951D02964725K
Author : Dean W. Einspahr
Publisher : Forgotten Books
Page : 36 pages
File Size : 40,9 Mb
Release : 2017-11-19
Category : Science
ISBN : 0331443821
Excerpt from Genetics of Quaking Aspen Edmonton, Moss (1960) found that the average date of flowering for quaking aspen has been April 25 for the period 1928-1960, and occurred only after 6 days of air temperatures of 12 C or more. An increasing heat requirement for flowering in more severe cli mates could be an important survival trait, but provenance studies are needed to determine if such is the case. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Anonim
Publisher : Unknown
Page : 690 pages
File Size : 53,7 Mb
Release : 1964
Category : Forests and forestry
ISBN : UOM:39015001293953
Author : Anonim
Publisher : Unknown
Page : 514 pages
File Size : 45,8 Mb
Release : 1977
Category : Forests and forestry
ISBN : WISC:89043223148
Author : Walter T. McDonough
Publisher : Unknown
Page : 20 pages
File Size : 47,7 Mb
Release : 1979
Category : Aspen
ISBN : MINN:31951D029659710
Author : David Karnosky
Publisher : Unknown
Page : 214 pages
File Size : 40,7 Mb
Release : 1975
Category : Aspen
ISBN : WISC:89010816189
Author : Anonim
Publisher : Unknown
Page : 294 pages
File Size : 42,8 Mb
Release : 1985
Category : Aspen
ISBN : UIUC:30112102046759
Information about the biology, ecology, and management of quaking aspen on the mountains and plateaus of the interior western United States, and to a lesser extent, Canada, is summarized and discussed. The biology of aspen as a tree species, community relationships in the aspen ecosystem, environments, and factors affecting aspen forests are reviewed. The resources available within and from the aspen forest type, and their past and potential uses are examined. Silvicultural methods and other approaches to managing aspen for various resources and uses are presented.
Author : Anonim
Publisher : Unknown
Page : 760 pages
File Size : 44,6 Mb
Release : 1984
Category : Forests and forestry
ISBN : UOM:39015010049297
Author : C. P. Joshi,Stephen P. DiFazio,Chittaranjan Kole
Publisher : CRC Press
Page : 396 pages
File Size : 40,6 Mb
Release : 2011-03-29
Category : Science
ISBN : 9781439869178
Written by researchers representing six countries and 28 institutions, this book highlights the development of the genus Populus as a model organism for tree genomics. Reflecting an impressive depth of coverage, the contributors' thorough reviews and analyses of Populus genomics provide insight into future discoveries about the basic biology of thi
Author : Stefan Jansson,Rishikesh Bhalerao,Andrew Groover
Publisher : Springer
Page : 384 pages
File Size : 42,6 Mb
Release : 2010-03-02
Category : Science
ISBN : 9781441915412
Genetics and Genomics of Populus provides an indepth description of the genetic and genomic tools and approaches for Populus, examines the biology that has been elucidated using genomics, and looks to the future of this unique model plant. This volume is designed to serve both experienced Populus researchers and newcomers to the field. Contributors to the volume are a blend of researchers, some who have spent most of their research career on Populus and others that have moved to Populus from other model systems. Research on Populus forms a useful complement to research on Arabidopsis. In fact, many plant species found in nature are – in terms of the life history and genetics – more similar to Populus than to Arabidopsis. Thus, the genetic and genomic strategies and tools developed by the Populus community, and showcased in this volume, will hopefully provide inspiration for researchers working in other, less well developed, systems.
Author : Anonim
Publisher : Unknown
Page : 348 pages
File Size : 45,7 Mb
Release : 1997
Category : Forests and forestry
ISBN : MINN:31951D01562413D
Thirty-four Populus biotechnology chapters, written by 85 authors, are comprised in 5 sections: 1) in vitro culture (micropropagation, somatic embryogenesis, protoplasts, somaclonal variation, and germplasm preservation); 2) transformation and foreign gene expression; 3) molecular biology (molecular/genetic characterization); 4) biotic and abiotic resistance (disease, insect, and pollution); and 5) biotechnological applications (wood properties, flowering, phytoremediation, breeding, commercialization, economics, and bioethics).
Author : M.R. Ahuja,Wout Boerjan,David B. Neale
Publisher : Springer Science & Business Media
Page : 285 pages
File Size : 49,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401139830
This proceedings is based on a joint meeting of the two IUFRO (International Union of Forestry Research Organizations) Working Parties, Somatic Cell Genetics (S2.04-07) and Molecular Genetics (S2.04-06) held in Gent, Belgium, 26-30 September, 1995. Although a joint meeting of the two Working Parties had been discussed in the past, this was the first such meeting that became a successful reality. In fact this meeting provided an excellent forum for discussions and interactions in forest bioteclUlology that encouraged the participants to vote for a next joint meeting. In the past decade rapid progress has been made in the somatic cell genetics and molecular genetics of forest trees. In order to cover recent developments in the broad area of biotechnology, the scientific program of the meeting was divided into several sessions. These included somatic embryogenesis, regeneration, transformation, gene expression, molecular markers, genome mapping, and biotic and abiotic stresses. The regeneration of plants, produced by organogenesis or somatic embryogenesis, is necessary not only for mass cloning of forest trees, but also for its application in genetic transformation and molecular biology. Although micropropagation has been achieved from juvenile tissues in a number of forest tree species, in vitro regeneration from mature trees remains a challenging problem in most hardwoods and conifers. The mechanisms involved in the transition from juvenile to mature phase in woody plants are poorly understood. This transition can now be investigated at the molecular level.
Author : Zhaowei Liu
Publisher : Unknown
Page : 248 pages
File Size : 41,7 Mb
Release : 1992
Category : Electronic
ISBN : MINN:31951D00973556W
Author : National Research Council Canada
Publisher : NRC Research Press
Page : 560 pages
File Size : 55,8 Mb
Release : 1996
Category : Nature
ISBN : 0660165066
"Poplar is increasingly recognized as an excellent model tree for the study of tree growth and its underlying physiology and genetics. By studying trees of the genus Populus (poplars, cottonwoods, aspens), which in their native ecosystems play a major role in the re-colonization of sites after disturbances, new insights have been gained into plantation culture and the development of improved cultivars. Of the 20 chapters in this publication, editored by an international group of researchers, one section deals with systematics, genetics, genetic manipulation and biotic interactions of Populus, while the other deals with stress response and the physiology of growth and productivity" --
Author : M.R. Ahuja
Publisher : Springer Science & Business Media
Page : 228 pages
File Size : 47,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789400928114
Most forest tree species were considered recalcitrant a decade ago, but now with the improved in vitro techniques some progress has been made towards culture-of tree species. Micro propagation has been achieved from the juvenile tissues of a number of forest tree species. On the other hand, tissues from most mature trees are still very difficult to grow and differen tiate in vitro. Nevertheless, there has been slow but steady progress in the application of tissue culture technology for culture of tissues, organs, cells and protoplasts of tree species. As compared to most agricultural crops, and herbaceous plant species, trees are a different lot. They have long gene ration cycles. They are highly heterozygous and have a large reservoir of genetic variability. Because of this genetic variability, their response in vitro is also variable. On a single medium, the response of tissues from different trees (genotypes) of a single species may be quite different: some responding by induction of growth and differentiation, while others showing minimal or no growth at all. That makes the somatic cell genetics of woody plants somewhat difficult, but at the same time interesting.
