Download or read book Identification Inheritance and Association of Different Dwarfing Sources and Gibberellic Acid Insensitivity in Barley Hordeum Vulgare L written by Rollin George Sears and published by . This book was released on 1979 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1979 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Plant Growth Regulator Abstracts written by and published by . This book was released on 1981 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book O S U Theses and Dissertations 1978 1982 written by Oregon State University and published by . This book was released on 1983 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1984 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1973- include the following subject areas: Biological sciences, Agriculture, Chemistry, Environmental sciences, Health sciences, Engineering, Mathematics and statistics, Earth sciences, Physics, Education, Psychology, Sociology, Anthropology, History, Law & political science, Business & economics, Geography & regional planning, Language & literature, Fine arts, Library & information science, Mass communications, Music, Philosophy and Religion.

Download or read book Comprehensive Dissertation Index Agriculture written by and published by . This book was released on 1984 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book American Doctoral Dissertations written by and published by . This book was released on 1979 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Identification of Loci which Confer Photoperiod Insensitivity in Barley Hordeum Vulgare L written by Eduardo Rafael Godoy and published by . This book was released on 1993 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mapping and Identifying Genes for Drought Tolerance in Barley Hordeum Vulgare L written by Rasha A. Tarawneh and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nature and Genetic Control of Semidwarfness and Its Relationship with Gibberellin Insensitivity and Yield in Barley Hordeum Vulgare L written by I. Kumar and published by . This book was released on 1985 with total page 122 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 Genetics Abstracts written by and published by . This book was released on 1994 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of Agriculture written by and published by . This book was released on 1990 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Manual on MUTATION BREEDING THIRD EDITION written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-10-09 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper provides guidelines for new high-throughput screening methods – both phenotypic and genotypic – to enable the detection of rare mutant traits, and reviews techniques for increasing the efficiency of crop mutation breeding.

Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1997 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Return to Resistance written by Raoul A. Robinson and published by IDRC. This book was released on 1996 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the tradition of Silent Spring, Raoul Robinson's Return to Resistance calls for a revolution. Traditional plant breeding techniques have led us to depend more and more on chemical pesticides to protect ourcrops. Return to Resistance shows gardeners, farmers, and plant breeders how to use a long-neglected technique to create hardy new plant varieties that are naturally resistant to pests and disease. Horizontal resistance breeding has been largely ignored in this century due to the popularity and apparent successes of the Mendelian geneticists. However the colossal, unrecognized failure of m.

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.