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Genetic Analysis Of Characters Associated With Drought Resistance In Wheat Triticum Aestivum L
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Book Synopsis Genetic Analysis of Characters Associated with Drought Resistance in Wheat (Triticum Aestivum L.) by : HALIM JAN
Download or read book Genetic Analysis of Characters Associated with Drought Resistance in Wheat (Triticum Aestivum L.) written by HALIM JAN and published by . This book was released on 1994 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Some Morpho-physiological Characters Associated with Drought Tolerance in Wheat (Triticum Aestivum L.). by : Meenakshi
Download or read book Genetic Analysis of Some Morpho-physiological Characters Associated with Drought Tolerance in Wheat (Triticum Aestivum L.). written by Meenakshi and published by . This book was released on 2003 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Drought Tolerance in Selected Bread Wheat (Triticum Aestivum L.) Genotypes by : Learnmore Mwadzingeni
Download or read book Genetic Analysis of Drought Tolerance in Selected Bread Wheat (Triticum Aestivum L.) Genotypes written by Learnmore Mwadzingeni and published by . This book was released on 2016 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of a Region Associated with Heat and Drought Tolerance on Chromosome 3B of Hexaploid Wheat (Triticum Aestivum) by : Julien Bonneau
Download or read book Genetic Analysis of a Region Associated with Heat and Drought Tolerance on Chromosome 3B of Hexaploid Wheat (Triticum Aestivum) written by Julien Bonneau and published by . This book was released on 2013 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drought and heat can occur during the growth cycle of crops and severely reduce yield. A QTL associated with yield and yield-related component was found in four wheat populations (Triticum aestivum L.) on the long arm of chromosome 3B "qYDH.3BL". The four populations were grown under various climatic conditions including drought, heat and combinations of both in a number of different areas (Australia and Mexico). Linear mixed models that partition and account for genetic and non-genetic or extraneous variation were used to detect loci in single-environment and/or multi-environment QTL analysis using ASReml-R. The alleles carried by RAC875, Excalibur or Drysdale improved grain yield by between 5% and 12.5%. Two doubled haploid populations (RAC875/Kukri and Excalibur/Kukri) and two recombinant inbred line populations (RAC875/Kukri and Gladius/Drysdale) were used to fine map qYDH.3BL and identify candidate gene(s). A total of thirty-seven molecular markers were mapped on one or both genetic maps of chromosome 3B enabling development of a consensus genetic map of the qYDH.3BL region. The markers were selected based on comparisons with a published "neighbour map" of chromosome 3B or designed using either BAC-end, contig or gene sequences from the chromosome 3B sequencing project; 3BSEQ (http://urgi.versailles.inra.fr/) (cv. Chinese Spring). A positional cloning approach was used to identify candidate genes for qYDH.3BL. Molecular markers from the targeted region were assigned to physical contigs by screening the chromosome 3B BAC library experimentally using PCR or in silico by sequence comparison. A total of eight physical contigs containing 85 genes, were anchored to the qYDH.3BL region. Public and in-house resources of wheat transcript sequences were used to restrict the gene list to 65 expressed genes. Based on comparison of the 65 gene sequences to gene probes in a drought transcriptomic database, three genes were found to be differentially expressed between RAC875 and Kukri under drought conditions. Short genomic sequence reads (10x coverage) from each of the five parental lines (RAC875, Kukri, Excalibur, Gladius and Drysdale) were mapped against the 65 genes for polymorphism discovery. One gene exhibited sequence polymorphism between the drought tolerant parents (RAC875, Excalibur and Drysdale) and the drought-sensitive parents (Gladius and Kukri). In addition, presence/absence polymorphisms were consistently detected throughout a region containing 12 genes, indicating that the drought tolerant parents may have a deletion (or alien introgression) in this region. Thus, in this work, we confirmed the genetic effect of qYDH.3BL in multiple environments and multiple populations, saturated the target region with new molecular markers and defined a preliminary list of genes located in the qYDH.3BL region and selected candidate genes for further investigations.
Book Synopsis Genetic Analysis of Certain Economic and Drouhgt Resistance Characters in Wheat (triticum Aestivum L.). by : A. K. Habibuddin
Download or read book Genetic Analysis of Certain Economic and Drouhgt Resistance Characters in Wheat (triticum Aestivum L.). written by A. K. Habibuddin and published by . This book was released on 1987 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Some Agronomic and Quality Characters in Wheat (Triticum Aestivum L.). by : Sethi G S.
Download or read book Genetic Analysis of Some Agronomic and Quality Characters in Wheat (Triticum Aestivum L.). written by Sethi G S. and published by . This book was released on 1976 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Diversity for Drought Resistance in Wheat by : Anila Afridi
Download or read book Genetic Diversity for Drought Resistance in Wheat written by Anila Afridi and published by LAP Lambert Academic Publishing. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The genus Triticum includes bread (Triticum aestivum) and durum wheat (Triticum durum) and constitutes a major source for human food consumption. Drought is currently the leading threat on world's food supply, limiting crop yield, and is complicated since drought tolerance is a quantitative trait with a complex phenotype affected by the plant's developmental stage. Drought tolerance is crucial to stabilize and increase food production since domestication has limited the genetic diversity of crops including wild wheat, leading to cultivated species, adapted to artificial environments, and lost tolerance to drought stress.
Book Synopsis Genome-wide Association Studies of Drought Resistance and Yield Potential in Wheat (Triticum Aestivum L.) Using Agronomic and Remotely Sensed Traits by : Shiferaw Abate Gizaw
Download or read book Genome-wide Association Studies of Drought Resistance and Yield Potential in Wheat (Triticum Aestivum L.) Using Agronomic and Remotely Sensed Traits written by Shiferaw Abate Gizaw and published by . This book was released on 2015 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emerging phenotyping methods and increasingly abundant genotyping platforms have become valuable tools for the discovery and introgression of yield-positive and stress-adaptive genes into modern wheat (Triticum aestivum L.). The main goal of this research was to identify genomic regions that contribute to yield potential and drought tolerance in wheat using agronomic and remotely sensed phenotyping approaches. Phenotypic interrelations, genetic variability of yield, yield components, phenology, and spectral reflectance indices (SRIs) were evaluated in a Pacific Northwest (PNW) winter wheat diversity panel (n = 402). The SRIs showed moderate to high phenotypic correlations with grain yield (|r| = 0.27 -- 0.84, p
Book Synopsis Genetic Variability for Some Morpho-physiological Characters Associated with Drought Tolerance in Bread Wheat [Triticum Aestivum L. Em Thell]. by :
Download or read book Genetic Variability for Some Morpho-physiological Characters Associated with Drought Tolerance in Bread Wheat [Triticum Aestivum L. Em Thell]. written by and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Quantitative Characters in Wheat (Triticum Aestivum L) by : Pawar S V.
Download or read book Genetic Analysis of Quantitative Characters in Wheat (Triticum Aestivum L) written by Pawar S V. and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on Genetics of Morphophysiological and Biochemical Characters Associated with Drought Tolerance in Wheat (Triticum Aestivum L.). by :
Download or read book Studies on Genetics of Morphophysiological and Biochemical Characters Associated with Drought Tolerance in Wheat (Triticum Aestivum L.). written by and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Grain Yield and Related Characters in Bread Wheat (T. Aestivum L.em. Thell) Under Normal and Stress Environments by : Vijaipal Singh
Download or read book Genetic Analysis of Grain Yield and Related Characters in Bread Wheat (T. Aestivum L.em. Thell) Under Normal and Stress Environments written by Vijaipal Singh and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analyses of Wheat and Molecular Marker-Assisted Breeding, Volume 1 by : Jichun Tian
Download or read book Genetic Analyses of Wheat and Molecular Marker-Assisted Breeding, Volume 1 written by Jichun Tian and published by Springer. This book was released on 2015-10-22 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book mainly describes the QTL mappings and efficacy analyses that are associated with wheat productivity, quality, physiology and various stress resistances and provides summaries of results from studies conducted both at home and abroad. It presents comparable data and analyses, helping readers to arrive at a more comprehensive understanding of the latest development in this field. The book provides a wealth of novel information, broad range of applications and in-depth findings on crop genetics and molecular breeding, making it valuable not only for plant breeders but also for academic faculties, senior researchers and advanced graduate students who are involved in plant breeding and genetics. Dr. Jichun Tian is a professor at the Department of Agronomy, Shandong Agricultural University, Tai’an, China.
Book Synopsis Genetic Analysis of Productive Tiller Number and Green Leaf Duration Under Late-seasoned Heat and Drought Stress Environment in Spring Wheat by : Yukiko Naruoka
Download or read book Genetic Analysis of Productive Tiller Number and Green Leaf Duration Under Late-seasoned Heat and Drought Stress Environment in Spring Wheat written by Yukiko Naruoka and published by . This book was released on 2010 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate change is affecting the growing environment for spring wheat (Triticum aestivum L. em. Thell) in the northern Great Plains, challenging breeders to identify traits and genes that will allow reliable grain yield under drought and heat stress conditions. The first objective of this study was to evaluate the genetic basis of productive tiller number (PTN) and its relationship to economic traits under a wide range of environments. Correlation of PTN with economic traits was determined using three recombinant inbred line populations. Quantitative trait loci (QTL) analysis was conducted with a mapping population generated from a cross between Reeder and Conan. Our results showed a consistent positive correlation between PTN and grain yield under drought and heat stress conditions as well as well-watered conditions across three spring wheat populations. The major stable QTL, QTn.mst-6B, was consistent across environments and populations, and the positive allele from Reeder increased grain yield. The second objective of this study was to evaluate the genetic basis of green leaf duration (GLDAH) which has been reported as a drought and heat stress resistant trait in several crops. Additionally, the relationship of GLDAH to agronomic traits and a root trait was assessed using the Reeder/Conan population. Correlation analysis showed a positive relationship between GLDAH and test weight, seed weight, seed diameter under heat and drought stress conditions but not cool, well-watered conditions. In contrast, GLDAH had a neutral relationship with grain yield under the stress conditions, but showed negative correlation under well-watered conditions. Major QTL QGfd.mst-4A had a consistent effect under hot, dry conditions for the populations. The Reeder allele of QGfd.mst-4A resulted in longer GLDAH and also increased the amount of xylem exudate, indicating higher root mass and/or activity. These results suggested that i) QTn.mst-6B may be useful for improvement of spring wheat production under a wide range of environment and ii) QGfd.mst-4A may contribute to heat and drought stress resistance potentially through root function, but may negatively affect grain yield under well-watered conditions in the northern Great Plains of North America and similar environments.
Book Synopsis Genetic Architecture of Some Morpho-physiological and Biochemical Characters Associated with Drought in Wheat (Triticum Aestivum L.). by :
Download or read book Genetic Architecture of Some Morpho-physiological and Biochemical Characters Associated with Drought in Wheat (Triticum Aestivum L.). written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Some Agronomic and Quality Characters in Wheat (Triticum Aestivum L.). by :
Download or read book Genetic Analysis of Some Agronomic and Quality Characters in Wheat (Triticum Aestivum L.). written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mitigating Environmental Stresses for Agricultural Sustainability in Egypt by : Hassan Awaad
Download or read book Mitigating Environmental Stresses for Agricultural Sustainability in Egypt written by Hassan Awaad and published by Springer Nature. This book was released on 2021-02-08 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the soil and environmental resources and how to utilize them under Egyptian conditions to achieve tolerance to environmental abiotic stresses, i.e., drought, heat, salt, pollutants, and biotic stresses such as disease resistance. Further, it explores ways to increase productivity, improve the quality of field crops, and reduce the food gap. The application of modern technologies is an essential mechanism for improving crops' productivity through laser, seed technology, mycorrhiza, and biotechnology to enhance the yield of genotypes in sustainable farming systems. Therefore, this book discusses fundamental ways to increase productivity under various environmental circumstances. The book reflects the enormous potential held by horizontal expansion in the newly reclaimed lands in Egypt. Tapping that potential depends on developing crops that are highly tolerant to environmental stresses and mitigating the impacts of climate changes around the world to help Egypt and countries with similar weather and water deficits achieve the 2030 sustainability agenda for agriculture. Given its profundity and scope, the book offers a valuable asset for stakeholders, policy planners, decision-makers, researchers, and scientists in Egypt and worldwide.
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