Somatic Hybridization in Crop Improvement II

Somatic Hybridization in Crop Improvement II PDF Author: Toshiyuki Nagata
Publisher: Springer Science & Business Media
ISBN: 3642567584
Category : Technology & Engineering
Languages : en
Pages : 390

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Book Description
This richly illustrated volume describes how somatic hybrids can contribute to the improvement of crops. It comprises 24 chapters dealing with interspecific and intergeneric somatic hybridization and cybridization, providing valuable tools for plant breeders.

Somatic Hybridization in Crop Improvement II

Somatic Hybridization in Crop Improvement II PDF Author: Toshiyuki Nagata
Publisher: Springer Science & Business Media
ISBN: 3642567584
Category : Technology & Engineering
Languages : en
Pages : 390

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Book Description
This richly illustrated volume describes how somatic hybrids can contribute to the improvement of crops. It comprises 24 chapters dealing with interspecific and intergeneric somatic hybridization and cybridization, providing valuable tools for plant breeders.

Distant Hybridization of Crop Plants

Distant Hybridization of Crop Plants PDF Author: G. Kalloo
Publisher: Springer Science & Business Media
ISBN: 3642843069
Category : Technology & Engineering
Languages : en
Pages : 282

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Book Description
Wild taxa are invaluable sources of resistance to diseases, insects/ pests, nematodes, temperature extremes, salinity and alkalinity stresses, and also of nutritional quality; adaptation; genetic diversity and new species. Utilization of wild relatives of a crop depends largely upon its crossability relations with cultivated varieties. Sev eral wild species are not crossable with the commercial cultivars due to various isolation barriers. Furthermore, in a few cases, hybridiza tion is possible only in one direction and reciprocal crosses are not successful, thus depriving the utilization of desired cytoplasm of many species. However, techniques have been developed to over come many barriers and hybrid plants are produced. New crop species have been developed by overcoming the F 1 sterility and producing amphidiploids and such crops are commercially being grown in the field. The segregation pattern ofF 1 hybrids produced by distant hybridization in segregating generations are different from the intervarietal hybrids. In former cases, generally, unidirectional segregation takes place in early generations and accordingly, selec tion procedures are adopted. In most of the cases, backcross or modified backcross methods have been followed to utilize wild species, and thus numerous types of resistance and other economical attributes have been transferred in the recurrent parents. Protoplast fusion has been amply demonstrated in a number of cases where sexual hybridization was not possible and, as a result, hybrids have been produced.

Tobacco BY-2 Cells: From Cellular Dynamics to Omics

Tobacco BY-2 Cells: From Cellular Dynamics to Omics PDF Author: Toshiyuki Nagata
Publisher: Springer Science & Business Media
ISBN: 354032674X
Category : Technology & Engineering
Languages : en
Pages : 362

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Book Description
The tobacco BY-2 cell system is a unique model cell line for the study of dynamic features of plant cells. As extension of Volume 53, Tobacco BY-2 Cells, which presented basic aspects of the cell system, this present volume provides a wealth of new approaches. This latest volume in the series is an invaluable source of information for scientists in basic and applied plant biology.

Haploids in Crop Improvement II

Haploids in Crop Improvement II PDF Author: C. E. Don Palmer
Publisher: Springer Science & Business Media
ISBN: 9783540222248
Category : Science
Languages : en
Pages : 346

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Book Description
Overview of Haploidy.-Pathways to Microspore Embryogenesis.-The Role of Stress in the Induction of Haploid Microspore Embryogenesis.-Microspore Embryo Induction and Development in Higher Plants: Cytological and Ultrastructural Aspects.- Biochemical and Molecular Aspects of Haploid Embryogenesis.-Storage Product Metabolism in Microspore-Derived Cultures of Brassicaceae.-Chromosome Doubling and Recovery of Doubled Haploids.-Utilization of Microspore-Derived Embryos.- Haploids in the Improvement of Solanaceous Species.-Haploids in the Improvement of Crucifers.-Haploids in the Improvement of Poaceae.-Haploids in the Improvement of Woody Species.-Haploids in the Improvement of Miscellaneous Crop Species (Cucurbitaceae, Liliaceae, Asparageceae, Chenopodiaceae, Araceae and Umbelliferae).-Haploids in the Improvement of Numbers of the Linaceae and Asteraceae.-Challenges and Limitations to the Use of Haploidy in Crop Improvement

Somatic Hybridization in Crop Improvement I

Somatic Hybridization in Crop Improvement I PDF Author: Y. P. S. Bajaj
Publisher: Springer Science & Business Media
ISBN: 9783540574453
Category : Technology & Engineering
Languages : en
Pages : 564

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Book Description
Fantasies and dreams have their rightful place in science, and sometimes they turn into reality. Regeneration of hybrid plants through protoplast fusion is one such dream come true. In the early 1970s I shared the pioneering excitement in the field of protoplast technology at the Second International Congress of Plant Tissue Culture held in Strasbourg, France. Subsequently, I participated in three international conferences devoted to plant protoplasts, in Salamanca, Spain (1972), Versailles, France (1972), and Nottingham, England (1975). At Versailles Dr. P.S. Carlson presented his work on the successful regeneration of somatic hybrids between Nicotiana glauca and Nicotiana langsdorfii. The enthusi- asm shown by the participants was sufficient indication of the bright future of somatic hybridization. On my return from Versailles, I gathered my thoughts and prepared a concept paper on Potentials of Protoplast Culture Work in Agriculture which was published in Euphytica (Bajaj 1974). The studies on protoplast fusion and somatic hybridization then gained momentum and active work started in many laboratories. Very significant work was done by Melchers et al. (1978) who obtained a somatic hybrid between potato and tomato, calling it "Pomato".

Plant Cell Biotechnology

Plant Cell Biotechnology PDF Author: M. Salome S. Pais
Publisher: Springer Science & Business Media
ISBN: 3642731570
Category : Science
Languages : en
Pages : 493

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Book Description
A number of interdisciplinary fields related to Plant Cell Biotechnology are discussed. The two main directions are: Plant cell culture in agricultural applications for the improvement of crops and industrial applications in the production of secondary metabolites. A number of areas such as physiological and biochemical aspects of autotrophic cells, gene characterization in higher plants, transformation of plant cells, genetic stability in plant cell cultures, somatic hybridization and somatic embryogenesis are treated. Recent knowledge on somaclonal and gametoclonal variation as well as on the obtainment of protoplasts and their use for the isolation and culture of heterocaryons as tools for plant breeding are considered. Furthermore, the knowledge on biomass production in fermentor conditions and the role of immobilization for increased production and scale-up of plant cells are discussed.

Somaclonal Variation in Crop Improvement II

Somaclonal Variation in Crop Improvement II PDF Author: Y. P. S. Bajaj
Publisher: Springer Science & Business Media
ISBN: 3642610811
Category : Technology & Engineering
Languages : en
Pages : 374

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Book Description
In continuation of Somaclonal Variation and Crop Improvement I (1990), this volume is comprised of twenty-four chapters dealing with somaclonal variants showing resistance to salt/drought, herbicides, viruses, Alternaria, Fusarium, Glomerella, Verticillium, Phytophthora, fall armyworm, etc. in a number of plants of economic importance. It is divided into two sections: Section I. Somaclonal Variation in Agricultural Crops: wheat, rice, maize, sorghum, potato, tomato, Lotus, Stylosanthes, banana, strawberry, citrus, colt cherry. Section II. Somaclonal Variation in Medicinal and Aromatic Plants: Atropa, Carthamus, Hypericum, Lavatera, Nicotiana, Primula, Rauwolfia, Scilla, and Zinnia. This book will be of great assistance to research workers, teachers, and advanced students of plant pathology, tissue culture, pharmacy, horticulture, and especially plant breeding.

Transgenic Crops III

Transgenic Crops III PDF Author: Y.P.S. Bajaj
Publisher: Springer Science & Business Media
ISBN: 3662106035
Category : Technology & Engineering
Languages : en
Pages : 395

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Book Description
There has been tremendous progress in the genetic transformation of agricultural crops, and plants resistant to insects, herbicides,and diseases have been produced, field tested and patented. Transgenic Crops III compiles this information on ornamental, aromatic, medicinal and various other crops. It comprises 26 chapters and is divided into two sections. I. Ornamental, Aromatic and Medicinal Plants: Anthurium, Antirrhinum, Artemisia, Begonia, Campanula, carnation, chrysanthemum, Dendrobium, Eustoma, Gentiana, Gerbera, Gladiolus, Hyoscyamus muticus, Hyssopus officinalis, ornamental Ipomoea, Leontopodium alpinum, Nierembergia, Phalaenopsis, Rudbeckia, Tagetes, and Torenia. II. Miscellaneous Plants: Craterostigma plantagineum, Flaveria bidentis, Moricandia Solanum brevidens, and freshwater wetland monocots. The book is of special interest to advanced students, teachers and research workers in the fields of plant breeding, genetics, molecular biology, plant tissue culture and plant biotechnology in general.

Tobacco BY-2 Cells

Tobacco BY-2 Cells PDF Author: Toshiyuki Nagata
Publisher: Springer Science & Business Media
ISBN: 3662105721
Category : Technology & Engineering
Languages : en
Pages : 371

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Book Description
The first compilation of a wealth of knowledge on tobacco BY-2 cells, often cited as the HeLa cell line of higher plants. Basic issues of cell cycle progression, cytokinesis, cell organization and factors that are involved in these processes are covered in detail. Since the tobacco cell line is used as a tool for research in molecular and cellular biology, several chapters on such studies are also included. Further, changes of primary and secondary metabolites during culture and factors that affect these processes are treated. Last but not least, the so far unpublished historical background of the BY-2 cell line is described. This volume is a must for any scientist working in the field of plant biology.

Cryopreservation of Plant Germplasm II

Cryopreservation of Plant Germplasm II PDF Author: L.E. Towill
Publisher: Springer Science & Business Media
ISBN: 3662046741
Category : Science
Languages : en
Pages : 406

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Book Description
Ex situ preservation of germplasm for higher plant species has been accom plished using either seeds or clones, but storage of these under typical condi tions does not provide the extreme longevities that are needed to minimize risk of loss. Costs of maintenance and regeneration of stocks are also high. Systems that provide virtually indefinite storage should supplement existing methods and it is within this context that cryopreservation is presented. The use of low temperature preservation was initially more a concern of medicine and animal breeding, and was expanded to plants in the 1970s. Sur vival after cryogenic exposure has now been demonstrated for diverse plant groups including algae, bryophytes, fungi and higher plants. If survival is com monplace, then the eventual application is a cryopreservation system, whereby cells, tissues and organs are held indefinitely for use, often in the unforeseen future. The increasing interest and capabilities for application could not have occurred at a more opportune time since expanding human populations have placed unprecedented pressures on plant diversity. This book emphasizes cry opreservation of higher plants and was initially driven by the concern for loss of diversity in crops and the recognized need that this diversity would be essential for continued improvement of the many plants used by society for food, health and shelter. The interest in cryopreservation has been expanded by conservationists and their concerns for retaining, as much as possible, the diversity of natural populations. The need for cryopreservation, thus, is well established.