Inheritance of Resistance to Septoria Tritici Blotch in the Winter Wheat Doubled Haploid Population Solitär X Mazurka PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 122
Book Description
In a doubled haploid population of the two winter wheat cultivars Solitär (resistant) and Mazurka (susceptible) inheritance of Septoria tritici blotch (STB) resistance was analyzed. In the seedling stage isolate-specific quantitative trait loci (QTL) were mapped on chromosomes 3A, 1B, 4A, 3B, 3D und 6B. QTL specific for necrotization of leaf area and pycnidia production were localized on chromosomes 1A, 4B and 3B, 6B, respectively. Under natural infection in the field plant height correlated negative with disease severity. With plant height as co-variable five QTL specific for resistance were identified on chromosomes 5A, 6D and 7D. Although, the contributions of QTL x QTL interactions to the total variance were generally low a complex inheritance of STB resistance can be assumed. None of the isolate-specific QTL detected in the seedling stage were verified in the field trials under natural infection.
Author: Publisher: ISBN: Category : Languages : en Pages : 122
Book Description
In a doubled haploid population of the two winter wheat cultivars Solitär (resistant) and Mazurka (susceptible) inheritance of Septoria tritici blotch (STB) resistance was analyzed. In the seedling stage isolate-specific quantitative trait loci (QTL) were mapped on chromosomes 3A, 1B, 4A, 3B, 3D und 6B. QTL specific for necrotization of leaf area and pycnidia production were localized on chromosomes 1A, 4B and 3B, 6B, respectively. Under natural infection in the field plant height correlated negative with disease severity. With plant height as co-variable five QTL specific for resistance were identified on chromosomes 5A, 6D and 7D. Although, the contributions of QTL x QTL interactions to the total variance were generally low a complex inheritance of STB resistance can be assumed. None of the isolate-specific QTL detected in the seedling stage were verified in the field trials under natural infection.
Author: Yeshwant Ramchandra Mehta Publisher: Springer ISBN: 3319064657 Category : Science Languages : en Pages : 265
Book Description
Wheat Diseases and Their Management addresses biotic and abiotic constrains to wheat production. Besides detailed illustrations and descriptions of the most important diseases of wheat in the world, it offers an updated view on the reemergence of some old diseases and the occurrence of new races of the pathogen. It deals with the sustainability of wheat production through precision agriculture and focuses on the importance of conservation tillage. The book also deals with pillars of integrated disease management which would be eco-friendly and reduce severity of diseases and yield losses, with acquired Latin-American experiences of more than 40 years.
Author: Muhammad Asif Publisher: Springer Science & Business Media ISBN: 3319007327 Category : Science Languages : en Pages : 84
Book Description
Deals with the historical perspectives and the current status of doubled haploid production along with its practical implications in basic and applied research. It highlights various haploid production methods with a comprehensive discussion on their pros and cons, bottlenecks, and embryogenic pathways. The review also describes in detail the results of molecular and genomic studies conducted to investigate the underlying principles of this spectacular technique that has changed the status of many species from recalcitrant to responsive over the last ninety years.
Author: Alisher Touraev Publisher: Springer Science & Business Media ISBN: 140208854X Category : Science Languages : en Pages : 348
Book Description
The importance of haploids is well known to geneticists and plant breeders. The discovery of anther-derived haploid Datura plants in 1964 initiated great excitement in the plant breeding and genetics communities as it offered shortcuts in producing highly desirable homozygous plants. Unfortunately, the expected revolution was slow to materialise due to problems in extending methods to other species, including genotypic dependence, recalcitrance, slow development of tissue culture technologies and a lack of knowledge of the underlying processes. Recent years have witnessed great strides in the research and application of haploids in higher plants. After a lull in activities, drivers for the resurgence have been: (1) development of effective tissue culture protocols, (2) identification of genes c- trolling embryogenesis, and (3) large scale and wide spread commercial up-take in plant breeding and plant biotechnology arenas. The first major international symposium on “Haploids in Higher Plants” took place in Guelph, Canada in 1974. At that time there was much excitement about the potential benefits, but in his opening address Sir Ralph Riley offered the following words of caution: “I believe that it is quite likely that haploid research will contr- ute cultivars to agriculture in several crops in the future. However, the more extreme claims of the enthusiasts for haploid breeding must be treated with proper caution. Plant breeding is subject from time to time to sweeping claims from ent- siastic proponents of new procedures.
Author: S. Mohan Jain Publisher: Springer Science & Business Media ISBN: 9780792335771 Category : Science Languages : en Pages : 380
Book Description
The 18 chapters making up In Vitro Haploid Production in Higher Plants are divided into two sections. Section 1 (eight chapters) covers historical and fundamental aspects of haploidy in crop improvement. Section 2 deals with methods of haploid production, including anther culture, micropore culture, ovary culture, pollination with irradiated pollen, in vitro pollination, and special culture techniques, including polyhaploid production in the Triticeae by sexual hybridization, the influence of ethylene and gelling agents on anther culture, conditional lethal markers, and methods of chromosome doubling.
Author: Association européenne pour l'amélioration des plantes. Meeting on Genetics and breeding of cucurbitaceae Publisher: ISBN: 9782738012517 Category : Languages : en Pages : 640
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Author: Oscar Arturo Somasco
Author: Maarten Van Ginkel
Author: Yeshwant Ramchandra Mehta
Author: Muhammad Asif
Author: Alisher Touraev
Author: S. Mohan Jain
Author: Association européenne pour l'amélioration des plantes. Meeting on Genetics and breeding of cucurbitaceae