Download or read book Studies on Genetics of Yield and Its Components in Barley Hordeum Vulgare L written by Kulvir Singh Nirania and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Genetic Variability Relationship Heritability Studies of Yield Its Components in Barley hordeum Vulgare L Emend Lam written by R. S. Singh and published by . This book was released on 1970 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Trait Locus Mapping of Yield and Yield Components in Barley Hordeum Vulgare L written by Abdoulaye Traore and published by . This book was released on 1993 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Higher grain yield is a key objective in barley (Hordeum vulgare. L) breeding. Despite extensive research on the genetics of yield and its components, selection for yield per se is still the most extensively employed because of negative relationships among components, modest correlations between yield and any particular component, and the additional resources required for measuring the components. The development of quantitative trait locus (QTL) detection procedures allows for an alternative approach to this issue. The objective of this investigation was to determine the biological basis of observed grain yield QTLs, with particular reference to yield components and yield-related traits. Yield and yield component traits were assessed in a population of spring barley doubled haploids from a cross of 'Steptoe' x 'Morex'. The scope of inference of the experiment was broadened by using reference QTL data sets from the multiple environment assessment of the same population. Both positive and negative relationships among yield, component, and related trait QTLs were observed. The QTL data indicate that indirect selection for yield via yield components would be ineffective. The yield QTL effects in this germplasm were largely attributable to lodging and basal internode length. Localization and interpretation of yield QTLs may be useful for studying orthologous gene expression in other germplasm and in developing multiple character selection strategies.
Download or read book Barley Science written by Gustavo A Slafer and published by CRC Press. This book was released on 2002-03-12 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Find up-to-date information on barley for malting, food, and animal feed! This comprehensive book covers every aspect of barley from molecular biology to agronomy of yield and quality. In addition to the exposition of the basic concepts, Barley Science explains the latest developments in the field. In addition, this remarkable book presents ideas and techniques for bridging the gap between physiology and breeding. Beginning with the history of this ancient cultivated grain, Barley Science presents state-of-the-art information on genetics and breeding, physiology, and agronomy. One chapter explains the CERES computer simulation of barley growth, development, and yield. Every chapter includes a thorough literature review, and you will find many helpful tables and figures. Barley Science offers cutting-edge information on the latest developments in the field, including: wild barley as a source of genes for crop improvement genetics and breeding for specific attributes genetic engineering determining barley yield under stress new breeding strategies for disease resistance choosing genotype, sowing date, and plant density for malting barley enhancing pre-harvest sprouting resistance barley proteins and malting performance Written by the top experts in the field, Barley Science is an excellent update and broadening of the information found in previous barley books. Agronomists, breeders, geneticists, and physiologists--and their students--will turn again and again to this essential resource.
Download or read book Studies on the Variability Generated Through Biparental Mating and Selfing for Yield and Its Component Traits in Barley Hordeum Vulgare L written by Agdew Bekele Woldesilassie and published by . This book was released on 2014 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Genetic Studies of Protein Grain Yield and Its Contributing Traits in Barley Hordeum Vulgare L written by Dalbir Singh and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of Yield Contributing Components in Mutants of Barley Hordeum Vulgare L written by R. S. Sutar and published by . This book was released on 1977 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Diversity in Barley Hordeum vulgare written by R. von Bothmer and published by Elsevier. This book was released on 2003-07-03 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic diversity is one of the main resources sustaining human life. Food security largely depends on the availability and utilization of this diversity, which is of strategic importance for countries and companies. Conservation and utilization of biodiversity is thus currently an urgent area of global debate and concern. Barley is a major crop in the world used for food, feed and malt, and with a wide religious and ethnic importance. The crop was domesticated in Neolithic time in SW Asia and spread rapidly under cultivation to new areas. Nowadays it is one of the most widespread and widely adapted crops grown under contrasting edaphic conditions. Adaptations to new environments, different agricultural practices and selection for different uses have further added to the complex diversity pattern. Is it at all possible to give a complete picture of the diversity in a crop or wild species? Are we, by adding new technologies, only revealing parts of the diversity? Do different sets of data show similar or conflicting pictures of genetic diversity? Will the large genome size reduce the role of barley as a model organism in these current sequencing days? Or, are there still major reasons to continue to work with this beautiful crop? The aim of this book is to cover the complex issue of diversification in time and space in a single crop: barley. Leading scientists from various fields describe the entire variation pattern in different sets of characters and an attempt is made for a synthesis to a holistic picture. The book proposes ways to use the achievements of diversity studies in future research and breeding programmes.
Download or read book Genetic Studies on the Outcrossing Rate and Related Floral Characteristics in Barley Hordeum Vulgare Ssp Vulgare and H V Ssp Spontaneum written by Adel Hasan Abdel Ghani and published by . This book was released on 2003 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Genetic Study of Yield and Its Components in Spring Barley Hordeum Sativum Jess written by Mohamed Ali Khalifa Ahmed and published by . This book was released on 1973 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Heterosis in Yield Components of Barley hordeum Vulgare L Emend Lam written by Laud Bright Obinani Ogbonnia Okoli and published by . This book was released on 1969 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Yield Components as Parental Selection Criteria in Breeding for Yield of Barley Hordeum Vulgare L Emend Lam written by Michael P. Conway and published by . This book was released on 1981 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on Genetics of Regeneration Forage and Grain Yields in Barley Hordeum Vulgare L written by Chhaju Ram Bainiwal and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Inheritance of Plant Height in Barley Hordeum Vulgare L Emed LAM written by Ali Bayraktar and published by . This book was released on 1972 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Four, six-rowed, spring barley cultivars were used as parental material in this study. The parents were distinctly different in plant height. Washington-6124-62 is a standard height selection while Short Wocus and Minn. 66-102 are intermediate. The fourth parent was a dwarf selection obtained from India. The two intermediate cultivars and the dwarf cultivar were crossed to the tall parent, Wa-6124-62, with a portion of the F1 progeny backcrossed to the shorter parent. In addition, the intermediate parent, Short Wocus, was crossed to Indian Dwarf. The following generations were available for study: parents, BC1F1, F1, and F2. The purpose of this study was to obtain information concerning the inheritance of plant height and to determine when selection for this trait could be made in the breeding program most effectively. To achieve this objective heritability and the mode of gene action were studied as well as number of genes segregating for plant height. The effect of temperature on plant height was also investigated in a growth chamber utilizing two temperature levels, 19° C and 30° C. Plant height was recorded on an individual plant basis at two sites that were distinctly different environmentally and in the growth chamber. The number of nodes were counted, and the length of internodes measured for genetic interpretation of culm length. Broad sense heritability values for plant height of each cross were estimated by using the variance of parents, F1's and F2' s. Heritability values were quite high in the F2 generation ranging from 50 to 90 percent, and suggest that plant phenotype gave a relatively good indication of the genotype for plant height. Height of the F1 plants was between the mid-parent and tall parent indicating partial dominance for tall culm length. In earlier studies, many investigators found that additive gene action was the major component of genetic variability for plant height. Results obtained from this study suggest that the nature of gene action is a function of the parents used. Where large differences exist between parents, plant height appeared to be largely influenced by non-additive gene action. When the parents were similar in height the trait was controlled mainly by additive gene action. Fairly discrete height classes in the segregating populations indicated that plant height was controlled by only a few genetic factors in these populations. Ratios obtained from segregating populations suggested the presence of three recessive genetic factors for short height in the dwarf parent (Indian Dwarf). The tall parent, Wa-6124-62, and intermediate parent, Minn. 66-102, appeared to differ for plant height by one major genetic factor. Difference in height among the cultivars was mostly due to difference in internode length rather than the number of nodes. It was concluded that the rather simple inheritance of plant height in barley will allow effective selection in the F2 generation for short stature, and progress to develop semi-dwarf barley cultivars should be possible if stiffness of straw can also be obtained along with short stature. In the cross between the tall and dwarf parent, selection for intermediate plant height would be more effective if delayed for several generations of selfing due to the relatively large dominance component of genetic variance.
Download or read book The Barley Genome written by Nils Stein and published by Springer. This book was released on 2018-08-18 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an overview of the state-of-the-art in barley genome analysis, covering all aspects of sequencing the genome and translating this important information into new knowledge in basic and applied crop plant biology and new tools for research and crop improvement. Unlimited access to a high-quality reference sequence is removing one of the major constraints in basic and applied research. This book summarizes the advanced knowledge of the composition of the barley genome, its genes and the much larger non-coding part of the genome, and how this information facilitates studying the specific characteristics of barley. One of the oldest domesticated crops, barley is the small grain cereal species that is best adapted to the highest altitudes and latitudes, and it exhibits the greatest tolerance to most abiotic stresses. With comprehensive access to the genome sequence, barley’s importance as a genetic model in comparative studies on crop species like wheat, rye, oats and even rice is likely to increase.
Download or read book Advance in Barley Sciences written by Guoping Zhang and published by Springer Science & Business Media. This book was released on 2012-12-31 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advance in barley sciences presents the latest developments in barley sciences. It collects 39 papers submitted to the 11th International Barley Genetics Symposium, and covers all presentation sessions of the conference, i.e., barley development and economy, utilization of germplasm, genetic resources and genetic stocks, end-uses, biotic stress tolerance, abiotic stresses, new and renewed breeding methodology, barley physiology, breeding success stories, barley genomics and all other ‘-omics.’ Th e information will be useful for barley breeders, brewers, biochemists, molecular geneticists and biotechnologists. Th is book may also serve as reference text for students and scientists engaged in barley research. Dr. Guoping Zhang is a barley breeder and crop physiologist at the Department of Agronomy, Zhejiang University, China. Dr. Chengdao Li is a senior molecular geneticist and barley breeder at the Department of Agriculture and Food, Western Australia, Australia. He is also an adjunct professor at Murdoch University of Australia and Zhejiang University. Dr. Xu Liu, a member of the China Academy of Engineering, is a plant resources researcher at the Chinese Academy of Agricultural Sciences.
Download or read book Genetic Studies of Plant Height in Barley Hordeum Vulgare L written by Allen C. Faue and published by . This book was released on 1989 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
