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High Alpha Amylase Activity In Wheat Triticum Aestivum L Grain From Hokkaido
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Book Synopsis High alpha-amylase activity in wheat (Triticum aestivum L.) grain from Hokkaido by : Satoshi Nakatsu
Download or read book High alpha-amylase activity in wheat (Triticum aestivum L.) grain from Hokkaido written by Satoshi Nakatsu and published by . This book was released on 2000 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Seed Dormancy written by Naoto Kawakami and published by Springer Nature. This book was released on with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seed Dormancy and Alpha Amylase Activity in Wheat, Triticum Aestivum L by : Kåre Ringlund
Download or read book Seed Dormancy and Alpha Amylase Activity in Wheat, Triticum Aestivum L written by Kåre Ringlund and published by . This book was released on 1970 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Maturity Alpha-amylase in North American Spring Wheat (Triticum Aestivum L.) by : Chang Liu
Download or read book Late Maturity Alpha-amylase in North American Spring Wheat (Triticum Aestivum L.) written by Chang Liu and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Late maturity alpha-amylase (LMA) is considered a genetic defect in wheat (Triticum aestivum L.), resulting in the induction of alpha-amylase enzyme in response to a low or high temperature shock during late grain filling. The wheat industry uses the Hagberg-Perten Falling Number (FN) method to detect loss of gelling capacity due to the presence of alpha-amylase in meal or flour. Low FN is associated with higher risk of poor end-product quality, such as cakes that fall and sticky bread or noodles. To improve selection for LMA resistance, LMA testing methods were optimized and then used to characterize the LMA susceptibility in North American wheat varieties. Preliminary LMA testing results were highly variable in cold-treated and in untreated controls. Warmer (25°C day/ 18°C night) and drier (~55-65% relative humidity) conditions reduced alpha-amylase levels in untreated controls. Colder LMA-induction experiments did not result in stronger or more consistent LMA-induction in spring wheat variety, WA8124. The most significant cause of LMA phenotypic variability appeared to be associated with the developmental window during which a 7-day low temperature shock triggered LMA. This window varied with environmental conditions prior to grain development and by genotype, such that LMA was induced in WA8124 at 20-24 days past anthesis (dpa) whereas Australian ‘Kennedy’ induced at 25-29 dpa. Only 21% of the 256 North American breeding lines characterized showed LMA resistance, suggesting that improved selection for LMA resistance is needed. In this panel, the tall rht-B1a rht-D1a genotype was associated with higher LMA in both cold-treated and untreated experiments, suggesting the presence of a constitutive LMA phenotype that did not require cold treatment. However, some rht-B1a rht-D1a lines required cold induction whereas some semi-dwarf lines had constitutive LMA, suggesting that the constitutive LMA phenotype is genetically complex. A preliminary genome-wide association study identified six significant marker-trait associations on chromosomes 1A, 3A, 3B, 6B, 7B, and 7D. The QLMA.wsu.6B and QLMA.wsu.7B loci detected in this study co-localized a QTL detected in four previous studies of Australian and CIMMYT germplasm. Future work will determine if these molecular markers are effective in selecting LMA resistance in U.S. wheat.
Book Synopsis Seventh International Symposium on Pre-harvest Sprouting in Cereals by : Kaz Noda
Download or read book Seventh International Symposium on Pre-harvest Sprouting in Cereals written by Kaz Noda and published by . This book was released on 1996 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Food Science and Technology Abstracts by :
Download or read book Food Science and Technology Abstracts written by and published by . This book was released on 1975 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monthly. References from world literature of books, about 1000 journals, and patents from 18 selected countries. Classified arrangement according to 18 sections such as milk and dairy products, eggs and egg products, and food microbiology. Author, subject indexes.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1976 with total page 1732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Breeding Abstracts written by and published by . This book was released on 1986-08 with total page 810 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 1976 with total page 1964 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1975- have "data provided by National Agricultural Library, U.S. Department of Agriculture."
Download or read book Seeds written by J. Derek Bewley and published by Springer Science & Business Media. This book was released on 2012-10-23 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated and much revised third edition of Seeds: Physiology of Development, Germination and Dormancy provides a thorough overview of seed biology and incorporates much of the progress that has been made during the past fifteen years. With an emphasis on placing information in the context of the seed, this new edition includes recent advances in the areas of molecular biology of development and germination, as well as fresh insights into dormancy, ecophysiology, desiccation tolerance, and longevity. Authored by preeminent authorities in the field, this book is an invaluable resource for researchers, teachers, and students interested in the diverse aspects of seed biology.
Book Synopsis Bibliography of Agriculture with Subject Index by :
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1994 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Entomology Abstracts written by and published by . This book was released on 1991 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monthly, with annual author and subject indexes. Abstracts from about 2750 primary journals dealing with the subject of insects. Arranged in classified order. Entries include titles given or translated into English, authors, addresses offirst authors, and abstracts; all insects cited in the abstracts are identified by scientific family names. Each monthly issue has Index to classes and orders, Author index.
Book Synopsis Genetics and Genomics of the Triticeae by : Catherine Feuillet
Download or read book Genetics and Genomics of the Triticeae written by Catherine Feuillet and published by Springer Science & Business Media. This book was released on 2009-06-10 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sequencing of the model plant genomes such as those of A. thaliana and rice has revolutionized our understanding of plant biology but it has yet to translate into the improvement of major crop species such as maize, wheat, or barley. Moreover, the comparative genomic studies in cereals that have been performed in the past decade have revealed the limits of conservation between rice and the other cereal genomes. This has necessitated the development of genomic resources and programs for maize, sorghum, wheat, and barley to serve as the foundation for future genome sequencing and the acceleration of genomic based improvement of these critically important crops. Cereals constitute over 50% of total crop production worldwide (http://www.fao.org/) and cereal seeds are one of the most important renewable resources for food, feed, and industrial raw materials. Crop species of the Triticeae tribe that comprise wheat, barley, and rye are essential components of human and domestic animal nutrition. With 17% of all crop area, wheat is the staple food for 40% of the world’s population, while barley ranks fifth in the world production. Their domestication in the Fertile Crescent 10,000 years ago ushered in the beginning of agriculture and signified an important breakthrough in the advancement of civilization. Rye is second after wheat among grains most commonly used in the production of bread and is also very important for mixed animal feeds. It can be cultivated in poor soils and climates that are generally not suitable for other cereals. Extensive genetics and cytogenetics studies performed in the Triticeae species over the last 50 years have led to the characterization of their chromosomal composition and origins and have supported intensive work to create new genetic resources. Cytogenetic studies in wheat have allowed the identification and characterization of the different homoeologous genomes and have demonstrated the utility of studying wheat genome evolution as a model for the analysis of polyploidization, a major force in the evolution of the eukaryotic genomes. Barley with its diploid genome shows high collinearity with the other Triticeae genomes and therefore serves as a good template for supporting genomic analyses in the wheat and rye genomes. The knowledge gained from genetic studies in the Triticeae has also been used to produce Triticale, the first human made hybrid crop that results from a cross between wheat and rye and combines the nutrition quality and productivity of wheat with the ruggedness of rye. Despite the economic importance of the Triticeae species and the need for accelerated crop improvement based on genomics studies, the size (1.7 Gb for the bread wheat genome, i.e., 5x the human genome and 40 times the rice genome), high repeat content (>80%), and complexity (polyploidy in wheat) of their genomes often have been considered too challenging for efficient molecular analysis and genetic improvement in these species. Consequently, Triticeae genomics has lagged behind the genomic advances of other cereal crops for many years. Recently, however, the situation has changed dramatically and robust genomic programs can be established in the Triticeae as a result of the convergence of several technology developments that have led to new, more efficient scientific capabilities and resources such as whole-genome and chromosome-specific BAC libraries, extensive EST collections, transformation systems, wild germplasm and mutant collections, as well as DNA chips. Currently, the Triticeae genomics "toolbox" is comprised of: - 9 publicly available BAC libraries from diploid (5), tetraploid (1) and hexaploid (3) wheat; 3 publicly available BAC libraries from barley and one BAC library from rye; - 3 wheat chromosome specific BAC libraries; - DNA chips including commercially available first generation chips from AFFYMETRIX containing 55’000 wheat and 22,000 barley genes; - A large number of wheat and barley genetic maps that are saturated by a significant number of markers; - The largest plant EST collection with 870’000 wheat ESTs, 440’000 barley ESTs and about 10’000 rye ESTs; - Established protocols for stable transformation by biolistic and agrobacterium as well as a transient expression system using VIGS in wheat and barley; and - Large collections of well characterized cultivated and wild genetic resources. International consortia, such as the International Triticeae Mapping Initiative (ITMI), have advanced synergies in the Triticeae genetics community in the development of additional mapping populations and markers that have led to a dramatic improvement in the resolution of the genetic maps and the amount of molecular markers in the three species resulting in the accelerated utilization of molecular markers in selection programs. Together, with the development of the genomic resources, the isolation of the first genes of agronomic interest by map-based cloning has been enabled and has proven the feasibility of forging the link between genotype and phenotype in the Triticeae species. Moreover, the first analyses of BAC sequences from wheat and barley have allowed preliminary characterizations of their genome organization and composition as well as the first inter- and intra-specific comparative genomic studies. These later have revealed important evolutionary mechanisms (e.g. unequal crossing over, illegitimate recombination) that have shaped the wheat and barley genomes during their evolution. These breakthroughs have demonstrated the feasibility of developing efficient genomic studies in the Triticeae and have led to the recent establishment of the International Wheat Genome Sequencing Consortium (IWGSC) (http//:www.wheatgenome.org) and the International Barley Sequencing Consortium (www.isbc.org) that aim to sequence, respectively, the hexaploid wheat and barley genomes to accelerate gene discovery and crop improvement in the next decade. Large projects aiming at the establishment of the physical maps as well as a better characterization of their composition and organization through large scale random sequencing projects have been initiated already. Concurrently, a number of projects have been launched to develop high throughput functional genomics in wheat and barley. Transcriptomics, proteomics, and metabolomics analyses of traits of agronomic importance, such as quality, disease resistance, drought, and salt tolerance, are underway in both species. Combined with the development of physical maps, efficient gene isolation will be enabled and improved sequencing technologies and reduced sequencing costs will permit ultimately genome sequencing and access to the entire wheat and barley gene regulatory elements repertoire. Because rye is closely related to wheat and barley in Triticeae evolution, the latest developments in wheat and barley genomics will be of great use for developing rye genomics and for providing tools for rye improvement. Finally, a new model for temperate grasses has emerged in the past year with the development of the genetics and genomics (including a 8x whole genome shotgun sequencing project) of Brachypodium, a member of the Poeae family that is more closely related to the Triticeae than rice and can provide valuable information for supporting Triticeae genomics in the near future. These recent breakthroughs have yet to be reviewed in a single source of literature and current handbooks on wheat, barley, or rye are dedicated mainly to progress in genetics. In "Genetics and Genomics of the Triticeae", we will aim to comprehensively review the recent progress in the development of structural and functional genomics tools in the Triticeae species and review the understanding of wheat, barley, and rye biology that has resulted from these new resources as well as to illuminate how this new found knowledge can be applied for the improvement of these essential species. The book will be the seventh volume in the ambitious series of books, Plant Genetics and Genomics (Richard A. Jorgensen, series editor) that will attempt to bring the field up-to-date on the genetics and genomics of important crop plants and genetic models. It is our hope that the publication will be a useful and timely tool for researchers and students alike working with the Triticeae.
Book Synopsis Pre-harvest Sprouting in Cereals 1992 by : M. K. Walker-Simmons
Download or read book Pre-harvest Sprouting in Cereals 1992 written by M. K. Walker-Simmons and published by . This book was released on 1993 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ideal reference for food chemists, physiologists, geneticists, and grain science researchers.
Book Synopsis Ecophysiology and Responses of Plants under Salt Stress by : Parvaiz Ahmad
Download or read book Ecophysiology and Responses of Plants under Salt Stress written by Parvaiz Ahmad and published by Springer Science & Business Media. This book was released on 2012-11-09 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will shed light on the effect of salt stress on plants development, proteomics, genomics, genetic engineering, and plant adaptations, among other topics. Understanding the molecular basis will be helpful in developing selection strategies for improving salinity tolerance. The book will cover around 25 chapters with contributors from all over the world.
Book Synopsis Rice Genetics V by : Darshan S. Brar
Download or read book Rice Genetics V written by Darshan S. Brar and published by World Scientific. This book was released on 2007 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of the papers presented at the Fifth IRGS in 2005. It reports the latest developments in the field and includes research on breeding, mapping of genes and quantitative trait loci, identification and cloning of cndidate genesfor biotic and abiotic stresses, gene expression, as well as genomic databases and mutant induction for functional genomics