Download or read book Production and Evaluation of Haploid Tuberosum wild Species Hybrids written by Shelley Ann Hermundstad and published by . This book was released on 1984 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Haploid wild Species Hybrids in Potato Breeding Genetics and Germplasm Enhancement written by Shelley Ann Hermundstad and published by . This book was released on 1986 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Haploides Wild Species and 2n Gametes in the 4x X 2x Breeding Scheme in Potato written by G. L. Yerk and published by . This book was released on 1989 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selection of potato haploid parents for use in crosses with 2x(2EBN) wild species; Diversity within and between accessions of wild Solanum spp. for agronomic traits; Evaluation of tuber traits of 10, 2x(2EBN) wild species through haploidx wild species hibrids; Comparison of 2n and non-2n pollen producing haploid x wild species hybrids in potato; Performance of haploid x wild species, 2x hybrids (involving five new species) in 4x X 2x families in potato; Strategies for utilizing the 4x X 2x breeding scheme for varietal.
Download or read book Hybridization Between Gp Tuberosum Haploids and 1EBN Wild Potato Species written by Richard Gladson Novy and published by . This book was released on 1988 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Generation of 2n Pollen Producing Haploid Tuberosum wild Species Hybrids in Potato written by Georgia L. Yerk and published by . This book was released on 1987 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Haploids Wild Species and 2n Gametes in the 4x X 2x Breeding Scheme in Potato written by Georgia L. Yerk and published by . This book was released on 1989 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Doubled Haploid Production in Crop Plants written by M. Maluszynski and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of doubled haploids has become a necessary tool in advanced plant breeding institutes and commercial companies for breeding many crop species. However, the development of new, more efficient and cheaper large scale production protocols has meant that doubled haploids are also recently being applied in less advanced breeding programmes. This Manual was prepared to stimulate the wider use of this technology for speeding and opening up new breeding possibilities for many crops including some woody tree species. Since the construction of genetic maps using molecular markers requires the development of segregating doubled haploid populations in numerous crop species, we hope that this Manual will also help molecular biologists in establishing such mapping populations. For many years, both the Food and Agriculture Organization of the United Nations (FAO) and the International Atomic Energy Agency (IAEA) have supported and coordinated research that focuses on development of more efficient doubled haploid production methods and their applications in breeding of new varieties and basic research through their Plant Breeding and Genetics Section of the Joint F AO/IAEA Division of Nuclear Techniques in Food and Agriculture. The first F AO/IAEA scientific network (Coordinated Research Programme - CRP) dealing with doubled haploids was initiated by the Plant Breeding and Genetics Section in 1986.
Download or read book Evaluation of 4x Clones and Families from 4x 2x Crosses in Potato written by Elizabeth Darmo and published by . This book was released on 1988 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Production of New Potato Varieties written by G. J. Jellis and published by Cambridge University Press. This book was released on 1987-08-28 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is based on the proceedings of a joint meeting of EAPR and EUCARPIA at King's College, Cambridge, December 1985.
Download or read book Molecular Markers in Plant Genome Analysis written by Andrew Kalinski and published by DIANE Publishing. This book was released on 1995-07 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of 82 annotated bibliographies on Molecular Markers in Plant Genome Analysis. Sponsored by CRIS/ICAR.
Download or read book Haploids in Crop Improvement I written by Y. P. S. Bajaj and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: Haploid plants have the gametophytic number of chromosomes. They are of great importance, especially in studies on the induction of muta tions and also for the production of homozygous plants, they are needed in large numbers. The conventional methods employed by plant breeders for their production are cumbersome, time-consuming, laborious and rather inefficient. Sometimes it may take years to produce a pure line. However, with the introduction of in vitro techniques, especially anther culture for the induction of androgenesis, it has become increasingly evi dent that these methods considerably accelerate the production of haploids for plant breeding programs. During the last decade, in vitro-produced haploids have been incor porated into breeding programs of many agricultural crops, and positive results have been obtained especially with rice, wheat, potato, barley, maize, asparagus, sunflower, brassica, tobacco, etc. Among these, rice and wheat are the best examples in which a number of improved varieties have been released. In wheat, the breeding cycle can be shortened by three or four generations when the pollen haploid breeding method is used instead of conventional cross-breeding. The release of the wheat varieties Jinghua 1 and Florin is a typical example of what can be achieved with other crops. Taking these developments into considera tion, the present volume, Haploids in Crop Improvement I, was compil ed.
Download or read book Biotechnology and Ecology of Pollen written by David L. Mulcahy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Recognition of the Forgotten Generation D. L. MULCAHyl Pollen was long believed to serve primarily a single function, that of delivering male gametes to the egge A secondary and generally overlooked value of pollen is that it serves to block the transmission of many defective alleles and gene combinations into the next generation. This latter function comes about simply because pollen tubes carrying defective haploid genotypes frequently fail to complete growth through the entire length of the style. However, the beneficial consequences of this pollen selection are diluted by the fact that the same deleterious genotypes are often transmitted through the egg at strictly mendelian frequencies (Khush, 1973). Gene expression in the pollen might thus at least appear to be a phenomenon of trivial consequence. Indeed, Heslop-Harrison (1979) rightly termed the gametophytic portion of the angiosperm life cycle, the "forgotten generation." This neglect, however, came about despite subtle but constant indications that pollen is the site of intense gene activity and selection. For example, Mok and Peloquin (1975) demonstrated that relatively heterozygous diploid pollen shows heterotic characteristics whereas relatively homozygous diploid pOllen does not. This was proof positive that genes are expressed (that is, transcribed and translated) in the pollen. 1 Department of Botany, University of Massachusetts Amherst, MA 01003, USA viii However, the implications for pollen biology of even this recent and well known study were not widely recognized.
Download or read book In Vitro Haploid Production in Higher Plants written by S. Mohan Jain and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the beginning of agricultural production, there has been a continuous effort to grow more and better quality food to feed ever increasing popula tions. Both improved cultural practices and improved crop plants have al lowed us to divert more human resources to non-agricultural activities while still increasing agricultural production. Malthusian population predictions continue to alarm agricultural researchers, especially plant breeders, to seek new technologies that will continue to allow us to produce more and better food by fewer people on less land. Both improvement of existing cultivars and development of new high-yielding cultivars are common goals for breeders of all crops. In vitro haploid production is among the new technologies that show great promise toward the goal of increasing crop yields by making similar germplasm available for many crops that was used to implement one of the greatest plant breeding success stories of this century, i. e. , the development of hybrid maize by crosses of inbred lines. One of the main applications of anther culture has been to produce diploid homozygous pure lines in a single generation, thus saving many generations of backcrossing to reach homozygosity by traditional means or in crops where self-pollination is not possible. Because doubled haploids are equivalent to inbred lines, their value has been appreciated by plant breeders for decades. The search for natural haploids and methods to induce them has been ongoing since the beginning of the 20th century.
Download or read book Genetics Genomics and Breeding of Potato written by James M. Bradeen and published by CRC Press. This book was released on 2016-04-19 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this volume, world leaders in potato research review historical and contemporary discoveries resulting in a range of advances. Topics include nutritional quality, yield, disease and insect resistance, processing, plant growth and development, and other aspects. The book also examines research yielding significant molecular resources that facilit
Download or read book Polyploidy and Hybridization for Crop Improvement written by Annaliese S. Mason and published by CRC Press. This book was released on 2017-11-22 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of our current agricultural crops are natural or agricultural hybrids (between two or more species), or polyploids (containing more than one genome or set of chromosomes). These include potato, oats, cotton, oilseed rape, wheat, strawberries, kiwifruit, banana, seedless watermelon, triticale and many others. Polyploidy and hybridization can also be used for crop improvement: for example, to introgress disease resistance from wild species into crops, to produce seedless fruits for human consumption, or even to create entirely new crop types. Some crop genera have hundreds of years of interspecific hybridization and ploidy manipulation behind them, while in other genera use of these evolutionary processes for crop improvement is still at the theoretical stage. This book brings together stories and examples by expert researchers and breeders working in diverse crop genera, and details how polyploidy and hybridization processes have shaped our current crops, how these processes have been utilized for crop improvement in the past, and how polyploidy and interspecific hybridization can be used for crop improvement in the future.
Download or read book An Examination and Evaluation of Dihaploid Potatoes of Solanum Tuberosum that Produce Mixed Modes of 2N Eggs written by David Lewis Maas and published by . This book was released on 1996 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Production of Haploids and Their Use in Genetic Studies in Potatoes written by George P. Kotch and published by . This book was released on 1987 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Production of haploids by inter-ploidy crosses in Solanum tuberosum L. The use of haploids in genetic studies in potato.
