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Author : Tola Jaime
Publisher : INIAP Archivo Historico
Page : 138 pages
File Size : 46,8 Mb
Release : 2024-06-14
Category : Electronic
ISBN : 8210379456XXX
Author : David Creighton Cooper
Publisher : Unknown
Page : 120 pages
File Size : 55,7 Mb
Release : 1983
Category : Barley yellow dwarf viruses
ISBN : CORNELL:31924002184095
Author : Monique Henry
Publisher : CIMMYT
Page : 147 pages
File Size : 51,9 Mb
Release : 2002*
Category : Barley yellow dwarf disease
ISBN : 9789706480958
Author : Peter A. Burnett
Publisher : CIMMYT
Page : 532 pages
File Size : 55,9 Mb
Release : 1990
Category : Barley yellow dwarf disease
ISBN : 9686127399
Author : J. P. Skou
Publisher : Unknown
Page : 96 pages
File Size : 55,7 Mb
Release : 1987
Category : Electronic
ISBN : OCLC:227714280
For many years, attacks with barley leaf stripe were nearly non-existent in Denmark due to an extensive use of seed treatment with organic mercurials since the 1930's. The disease gained renewed importance, however, after this treatment first became reduced and later forbidden because it frequently reaches infection levels that require chemical treatment of the seed in order to avoid a yield reduction. Previously, screening for resistance to leaf stripe to a larger extent has been performed in USA and Canada and to a lesser extent in India Sweden, and Denmark. These investigations uncovered a markedly varying number of resistant varieties. The heredity of resistance was treated to only a limited extent in these investigations. On this background we decided to screen a large number of barleys in Nordic collections for resistance to leaf stripe, and to analyse pedigrees of barleys in order to see how resistance and a susceptible variety was analysed genetically. Results of these investigations are presented below. Keywords: Agriculture.
Author : J. P. Skou,V. Haahr
Publisher : Unknown
Page : 96 pages
File Size : 43,7 Mb
Release : 1987
Category : Barley leaf stripe disease
ISBN : 8755013783
For many years, attacks with barley leaf stripe were nearly non-existent in Denmark due to an extensive use of seed treatment with organic mercurials since the 1930's. The disease gained renewed importance, however, after this treatment first became reduced and later forbidden because it frequently reaches infection levels that require chemical treatment of the seed in order to avoid a yield reduction. Previously, screening for resistance to leaf stripe to a larger extent has been performed in USA and Canada and to a lesser extent in India Sweden, and Denmark. These investigations uncovered a markedly varying number of resistant varieties. The heredity of resistance was treated to only a limited extent in these investigations. On this background we decided to screen a large number of barleys in Nordic collections for resistance to leaf stripe, and to analyse pedigrees of barleys in order to see how resistance and a susceptible variety was analysed genetically. Results of these investigations are presented below. Keywords: Agriculture.
Author : Anonim
Publisher : ICARDA
Page : 808 pages
File Size : 43,5 Mb
Release : 2024-06-14
Category : Electronic
ISBN : 9789291272464
Author : Mehmet Ali Topcu
Publisher : Unknown
Page : 266 pages
File Size : 41,6 Mb
Release : 1975
Category : Electronic
ISBN : UCAL:X31701
Author : R. von Bothmer,T. van Hintum,H. Knüpffer,K. Sato
Publisher : Elsevier
Page : 300 pages
File Size : 50,9 Mb
Release : 2003-07-03
Category : Technology & Engineering
ISBN : 0080530478
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.
Author : Gustavo A. Slafer
Publisher : CRC Press
Page : 487 pages
File Size : 44,8 Mb
Release : 2021-04-29
Category : Science
ISBN : 9781000444681
Outlining successful breeding techniques to augment the yields of the world's major crops, this reference analyzes the physiological and genetic basis for past and potential future increases in crop yields.;Covering crops with wide differences in morphology, photosynthetic rates, and nitrogen metabolisms, Genetic Improvement of Field Crops: investigates the changes produced by breeders in the physiological attributes affecting wheat grain yield and nitrogen content during the last century; discusses those crop characteristics of oats that have already been altered or might be manipulated through breeding to further increase yield potential; describes several genetic factors responsible for both yield potential and stress resistance in barley; offers insights into the relationship between increases in the yield potential and stress tolerance of corn; examines the evolution of sunflower crop yields and yield stability and estimates the contribution of improved cultivars; evaluates the effects of breeding on tuber characteristics related to the crop growth and yield of the potato; elucidates the possibilities for simultaneous improvement of yield and fiber strength in cotton; and identifies the features to be considered in the development of high yielding varieties of rice for different agricultural systems.;Providing nearly 1600 key literature citations allowing further in-depth study of particular topics, Genetic Improvement of Field Crops is for plant physiologists and breeders, crop and agricultural scientists, agronomists, biochemists, geneticists, biotechnologists, microbiologists, and upper-level undergraduate and graduate students in these disciplines.
Author : Rajeev Varshney,Roberto Tuberosa
Publisher : John Wiley & Sons
Page : 384 pages
File Size : 46,8 Mb
Release : 2013-09-13
Category : Science
ISBN : 9781118728321
Genomic Applications for Crop Breeding: Biotic Stress is the first of two volumes looking at the latest advances in genomic applications to crop breeding. This volume focuses on genomic-assisted advances for improving economically important crops against biotic stressors, such as viruses, fungi, nematodes, and bacteria. Looking at key advances in crops such as rice, barley, wheat, and potato amongst others, Genomic Applications for Crop Breeding: Biotic Stress will be an essential reference for crop scientists, geneticists, breeders, industry personnel and advanced students in the field.
Author : O. H. Frankel,John Gregory Hawkes
Publisher : CUP Archive
Page : 516 pages
File Size : 49,8 Mb
Release : 1975-09-25
Category : Science
ISBN : 9780521205757
Genetic variation in plant populations. Exploration. Evaluation problems. Conservation and storage. Documentation and information management. Genetic resources centres.
Author : Jochen Kumlehn,Nils Stein
Publisher : Springer
Page : 433 pages
File Size : 42,6 Mb
Release : 2014-11-20
Category : Technology & Engineering
ISBN : 9783662444061
This volume offers an up-to-date overview of biotechnologically oriented barley research. It is structured into two major sections: the first focusing on current agricultural challenges and approaches to barley improvement, and the second providing insights into recent advances in methodology. Leading scientists highlight topics such as: the global importance of barley; genetic diversity and genebanks; domestication; shoot and inflorescence architecture; reproductive development; mineral nutrition; photosynthesis and leaf senescence; grain development; drought tolerance; viral and fungal pathogens; phytophagous arthropods; molecular farming; sequence resources; induced genetic variation and TILLING; meiotic recombination; Hordeum bulbosum; genome-wide association scans; genomic selection; haploid technology; genetic engineering; and whole plant phenomics. Providing comprehensive information on topics ranging from fundamental aspects to specific applications, this book offers a useful resource for scientists, plant breeders, teachers and advanced students in the fields of molecular and plant cell biology, plant biotechnology, and agronomy.
Author : Muhammad Ashraf,Münir Öztürk,Muhammad Sajid Aqeel Ahmad,Ahmet Aksoy
Publisher : Springer Science & Business Media
Page : 796 pages
File Size : 40,7 Mb
Release : 2012-06-02
Category : Technology & Engineering
ISBN : 9789400741164
In the recent years, the looming food scarcity problem has highlighted plant sciences as an emerging discipline committed to devise new strategies for enhanced crop productivity. The major factors causing food scarcity are biotic and abiotic stresses such as plant pathogens, salinity, drought, flooding, nutrient deficiency or toxicity which substantially limit crop productivity world-wide. In this scenario, strategies should be adopted to achieve maximum productivity and economic crop returns. In this book we have mainly focused on physiological, biochemical, molecular and genetic bases of crop development and related approaches that can be used for crop improvement under environmental adversaries. In addition, the adverse effects of different biotic (diseases, pathogens etc.) and abiotic (salinity, drought, high temperatures, metals etc) stresses on crop development and the potential strategies to enhance crop productivity under stressful environments are also discussed.
Author : Oswaldo Chicaiza
Publisher : INIAP Archivo Historico
Page : 140 pages
File Size : 54,8 Mb
Release : 1989
Category : Electronic
ISBN : 8210379456XXX