Chromosome Manipulations And Plant Genetics
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Chromosome Manipulation For Plant Breeding Purposes
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Author : Pilar Prieto
language : en
Publisher: MDPI
Release Date : 2021-01-29
Chromosome Manipulation For Plant Breeding Purposes written by Pilar Prieto and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-29 with Science categories.
The ability to exploit the potential of wild relatives carrying beneficial traits is a major goal in breeding programs. However, it relies on the possibility of the chromosomes from the crop and wild species in interspecific crosses to recognize, associate, and undergo crossover formation during meiosis, the cellular process responsible for producing gametes with half the genetic content of their parent cells. Unfortunately, in most cases, a barrier exists preventing successful hybridization between the wild and crop chromosomes. Understanding the mechanisms controlling chromosome associations during meiosis are of great interest in plant breeding and will allow chromosome manipulation to introduce genetic variability from related species into a crop. In addition to interspecific hybrids, other materials, such as natural and synthetic polyploids and introgression lines derived from allopolyploids, among others, are powerful tools in the framework of plant breeding. For example, an extra pair of alien chromosomes in the full genome complement of a crop species has been frequently used as a first step to access genetic variation from the secondary gene pool in breeding programs. In addition, such introgression lines are also pivotal in the study of interspecific genetic interactions, in the chromosomal location of genetic markers, and in the study of chromosome structure and behavior in somatic and meiotic cells. Contained in this Special Issue are accounts of original research, including new tools to identify chromosome introgressions and the development and characterization of introgression lines and interspecific hybrids carrying desirable agronomic traits for plant breeding purposes. Also included are reviews about the chromosome engineering of tropical cash crops and the effect of chromosome structure on chromosome associations and recombination during meiosis to allow chromosome manipulation in the framework of plant breeding.
Chromosome Manipulations And Plant Genetics
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Author : Ralph Riley
language : en
Publisher: Springer
Release Date : 2013-12-11
Chromosome Manipulations And Plant Genetics written by Ralph Riley and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-11 with Science categories.
Chromosome Manipulation For Plant Breeding Purposes
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Author : Pilar Prieto
language : en
Publisher:
Release Date : 2021
Chromosome Manipulation For Plant Breeding Purposes written by Pilar Prieto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
The ability to exploit the potential of wild relatives carrying beneficial traits is a major goal in breeding programs. However, it relies on the possibility of the chromosomes from the crop and wild species in interspecific crosses to recognize, associate, and undergo crossover formation during meiosis, the cellular process responsible for producing gametes with half the genetic content of their parent cells. Unfortunately, in most cases, a barrier exists preventing successful hybridization between the wild and crop chromosomes. Understanding the mechanisms controlling chromosome associations during meiosis are of great interest in plant breeding and will allow chromosome manipulation to introduce genetic variability from related species into a crop. In addition to interspecific hybrids, other materials, such as natural and synthetic polyploids and introgression lines derived from allopolyploids, among others, are powerful tools in the framework of plant breeding. For example, an extra pair of alien chromosomes in the full genome complement of a crop species has been frequently used as a first step to access genetic variation from the secondary gene pool in breeding programs. In addition, such introgression lines are also pivotal in the study of interspecific genetic interactions, in the chromosomal location of genetic markers, and in the study of chromosome structure and behavior in somatic and meiotic cells. Contained in this Special Issue are accounts of original research, including new tools to identify chromosome introgressions and the development and characterization of introgression lines and interspecific hybrids carrying desirable agronomic traits for plant breeding purposes. Also included are reviews about the chromosome engineering of tropical cash crops and the effect of chromosome structure on chromosome associations and recombination during meiosis to allow chromosome manipulation in the framework of plant breeding.
Genetic Manipulation In Plant Breeding
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Author : W. Horn
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2019-07-08
Genetic Manipulation In Plant Breeding written by W. Horn and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-08 with Science categories.
No detailed description available for "Genetic Manipulation in Plant Breeding".
Gene Manipulation In Plant Improvement
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Author : J. Perry Gustafson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Gene Manipulation In Plant Improvement written by J. Perry Gustafson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The results obtained to date involving the use of in ~ methods to facilitate wide hybridization in plants are voluminous and impressive. The techniques of embryo culture, ovule culture, and in~ pollination and fertilization represent an extension of the normal sexual hybridization process. Successes recorded in obtaining hybrids stem largely from circumventing prezygotic or postzygotic hybridization barriers. Numerous recent successful hybridizations were possible because of the development of improved tissue and cell culture systems for crop plants and attention given to genotypes used in hybridization attempts. Interspecific and intergeneric hybridization utilizing the process of protoplast fusion will bypass the limits set by all sexual me'thods. In addition to combining complete genomes from two different species through protoplast fusion, this system affords unique opportunities for creating novel cytoplasmic combinations, transfer of individual chromosomes, transfer of cytoplasmic organelles, manipulation of male sterility, and for single gene transfer. Some caution must be noted with regard to the extent of hybridization possible between distantly related species. Although practically no limit exists to the physical fusion of protoplasts from widely divergent species, the restrictions imposed by somatic incompatibility have not been adequately addressed. Regeneration of plants from the protoplast or single heterokaryon level is still a major hurdle for many important crop species before somatic cell fusion can be exploited to produce interspecific and intergeneric hybrids. Identification and selection of hybrids is also a limitation to the efficient application of cell fusion methods.
Genetic Manipulation For Crop Improvement
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Author : V. L. Chopra
language : en
Publisher:
Release Date : 1985
Genetic Manipulation For Crop Improvement written by V. L. Chopra and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Crops categories.
Seeds Of Concern
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Author : David Ronald Murray
language : en
Publisher: UNSW Press
Release Date : 2003
Seeds Of Concern written by David Ronald Murray and has been published by UNSW Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Business & Economics categories.
How are genetically modified plants produced? Which breeding goals are worthwhile, and which are not? Can the escape of transferred genes be controlled? Why have the first transgenic plants been released without full appreciation of the consequences? How dangerous are bacterial proteins produced in plant foods? Is anyone monitoring the unexpected effects of gene transfer? Will genetically modified plants ever be acceptable to organic growers? These are some of the important questions canvassed in this book, written with the insight of an experienced Australian plant scientist and conservationist.
Genetic Manipulation In Plant Breeding
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Author :
language : en
Publisher:
Release Date : 1986
Genetic Manipulation In Plant Breeding written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Cytogenetics In Plant Breeding
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Author : J. Sybenga
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Cytogenetics In Plant Breeding written by J. Sybenga and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
An introductory discussion of basic chromosome structure and function preceeds the main text on the application of cytogenetic approaches to the analysis of the manipulation of both the genetic make-up and the genetic transmission system of plant breeding material. Analysis using light and electron microscopy, segregations and molecular techniques, yields information for assessing the material before and after manipulation. Much attention is given to quantitative methods. Manipulation not only involves the construction of specific genotypes, but also chromosomal transmission systems. Although analysis and manipulation in the somatic cycle are considered, the focus is on the generative cycle, with emphasis on analysis and subsequent segregation of specifically constructed material. The book is intended for plant breeders and other scientists interested in the analysis and manipulation of breeding material at the chromosomal level. Comparisons with molecular and cell biological approaches are made, and the potential of the various methods is evaluated.
Plant Chromosomes
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Author : Archarna Sharma
language : en
Publisher: Routledge
Release Date : 2019-06-18
Plant Chromosomes written by Archarna Sharma and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-18 with Science categories.
The past two decades have brought with them remarkable progress in plant chromosomal research. The chromosome structure has been clarified in great detail, enabling identification of gene sequences at the microscopic level, which has aided the analysis of biodiversity. Knowledge of chromosome structure has played a crucial role in the improvement of crop species and has far-reaching implications. The manipulation and engineering of chromosomes involves a panoply of novel methods, combining conventional and modern techniques of biotechnology. A working knowledge of such techniques is essential for today's students and researchers, and the plant system, because of totipotency, requires special treatment. This treatise covers all the latest methods involved in the study of evolution, biodiversity, chromosome manipulation and engineering.