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Genetic Studies On Physiological Traits In Wheat Triticum Aestivum L Under Normal And Water Stress Conditions
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Book Synopsis Genetic Studies on Physiological Traits in Wheat (Triticum Aestivum L.) Under Normal and Water Stress Conditions by : Mohammad Reza Naroui Rad
Download or read book Genetic Studies on Physiological Traits in Wheat (Triticum Aestivum L.) Under Normal and Water Stress Conditions written by Mohammad Reza Naroui Rad and published by . This book was released on 2013 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on Physiological Traits in Wheat Under Water Stress Condition by : Sukhada Shinde
Download or read book Studies on Physiological Traits in Wheat Under Water Stress Condition written by Sukhada Shinde and published by LAP Lambert Academic Publishing. This book was released on 2012-06 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several morpho physiological traits are traditionally used as screening criteria for drought tolerance such as relative water content (RWC), stomatal index, water use efficiency (WUE) etc. Crop WUE can be improved by optimizing crop transpiration. Several workers have proposed carbon isotope discrimination (CID), ash content and canopy temperature depression (CTD) as selection criteria for transpiration efficiency (TE), which may serve as the surrogate measures for improvement in grain yield.To identify suitable physiological traits useful in wheat breeding under water stress environment is the major thrust area of present investigation. For this, Durum and aestivum genotypes were selected from the breeding material of ARI, Pune (MS, India).Experimental trials on Triticum durum were conducted under three different water regimes viz. residual soil moisture stress (RSMS), post anthesis water stress (PAWS) as limited irrigation (LI) and well watered (WW) conditions.Data were collected for agronomical and physiological characters. Soil water balance model 'BUDGET' (Raes et.al. 2006) has been used for deriving WUE using meteorological, rainfall and irrigation data of (2004-05)and(2006)
Book Synopsis Enhancing Efficiency in Wheat (Triticum Aestivum L.) Breeding for Abiotic and Biotic Stress Resistance Using Novel Physiological and Genetic Approaches by : Megan Johanna Lewien
Download or read book Enhancing Efficiency in Wheat (Triticum Aestivum L.) Breeding for Abiotic and Biotic Stress Resistance Using Novel Physiological and Genetic Approaches written by Megan Johanna Lewien and published by . This book was released on 2017 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: By 2050 global demand for wheat (Triticum aestivum L.) is predicted to grow by 60%. To meet this demand, annual genetic gains must increase by 1.4%, and withstand increasing environmental stresses. The goal of the work herein was to use new phenomic, genomic and molecular tools to identify novel genomic regions associated with eyespot (Oculimacula yallundae and O. acuformis) disease resistance, drought tolerance and yield stability. To identify novel genomic regions associated with eyespot resistance in winter wheat, disease susceptibility was evaluated in two PNW winter wheat panels (n= 469, 399) and genome-wide association mapping was conducted. Of the 92 marker trait associations identified, the seven most significant cumulatively reduced eyespot disease response. As breeding lines were used, the results can be used for rapid introgression of resistance alleles into elite lines. The second objective of this work was to evaluate phenotypic associations of physiological traits and yield under rain-fed conditions to identify traits for use in breeding. 700 lines of the spring wheat nested association mapping panel were evaluated for water use efficiency, plant water status, photosynthetic and photoprotective mechanisms and grain yield over three years. Six traits had a cumulative effect on increasing yield: plant water status, plant height, photosynthetic capacity, vegetative green index, water used efficiency and days from sowing to heading. The physiological traits identified can be used to improve selection efficiency and yield stability under variable rain-fed conditions. The third objective of this work was to identify genomic regions associated with the water-use efficiency, plant water status, leaf health and photosynthesis. 650 lines of the spring wheat NAM panel were evaluated for these traits and grain yield under rain-fed conditions and joint inclusive composite interval mapping and genome-wide association analysis was conducted. The seven most significant grain yield QTL identified, located on chromosomes 1A, 1B, 2B, 4B, 5B, and 7B, were found in multiple environments and were associated with multiple physiological traits. This study helps reveal the genetic architecture of drought tolerance and grain yield and can be used to improve the efficiency of breeding under variable water-limited conditions.
Book Synopsis Genetical Analysis of Quantitative Traits by : Dr M Kearsey
Download or read book Genetical Analysis of Quantitative Traits written by Dr M Kearsey and published by Garland Science. This book was released on 2020-10-29 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a guide to the experimental and analytical methodologies available to study quantitative traits, a review of the genetic control of quantitative traits, and a discussion of how this knowledge can be applied to breeding problems and evolution.
Book Synopsis Studies on Variability and Inheritance of Some Morpho-physiological Traits in Bread Wheat (Triticum Aestivum L.) Under Moisture Stress Condition by : K. A. Narayan
Download or read book Studies on Variability and Inheritance of Some Morpho-physiological Traits in Bread Wheat (Triticum Aestivum L.) Under Moisture Stress Condition written by K. A. Narayan and published by . This book was released on 2002 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple abiotic stresses: Molecular, physiological, and genetic responses and adaptations in cereals by : Sindhu Sareen
Download or read book Multiple abiotic stresses: Molecular, physiological, and genetic responses and adaptations in cereals written by Sindhu Sareen and published by Frontiers Media SA. This book was released on 2023-04-05 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological, molecular and genetic perspectives of environmental stress response in plants by : Pasala Ratnakumar
Download or read book Physiological, molecular and genetic perspectives of environmental stress response in plants written by Pasala Ratnakumar and published by Frontiers Media SA. This book was released on 2023-07-04 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Morpho-physiological Studies For Drought Adaptation In Wheat by : Dipendra Pokharel
Download or read book Morpho-physiological Studies For Drought Adaptation In Wheat written by Dipendra Pokharel and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wheat (Triticum aestivum L.) is the most important cereal crop for global food supply. Most of the wheat crop in developing countries including Nepal is either grown rainfed condition or under limited irrigation condition, thus water stress hits the wheat crop at different growth stages which thus limiting the grain yield. An experiment with 60 different genotypes of wheat was carried out in Nepal for the characterization for drought adaptation.The ANOVA (Analysis of Variance) revealed significant variation between environments and among the wheat germplasms for most of the drought adaptive traits. A wide range of variability was observed for the selected drougt adaptive morpho-physiological traits in moisture stressed and non-stressed environments. WUE was highly significantly correlated with biomass production. Nepalese cultivar Gautam showed a number of favorable drought adaptive traits. A number of landraces and advanced breeding lines showed high level of water use efficiency and other positive traits for drought adaptation.
Book Synopsis Application of Physiology in Wheat Breeding by : M. P. Reynolds
Download or read book Application of Physiology in Wheat Breeding written by M. P. Reynolds and published by CIMMYT. This book was released on 2001 with total page 246 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.
Book Synopsis Physiological Studies on Wheat (Triticum Aestivum L.) Under Water Stress by : Jagbir Singh
Download or read book Physiological Studies on Wheat (Triticum Aestivum L.) Under Water Stress written by Jagbir Singh and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological, Molecular, and Genetic Perspectives of Wheat Improvement by : Shabir H Wani
Download or read book Physiological, Molecular, and Genetic Perspectives of Wheat Improvement written by Shabir H Wani and published by Springer Nature. This book was released on 2020-12-17 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: World population is growing at an alarming rate and may exceed 9.7 billion by 2050, whereas agricultural productivity has been negatively affected due to yield limiting factors such as biotic and abiotic stresses as a result of global climate change. Wheat is a staple crop for ~20% of the world population and its yield needs be augmented correspondingly in order to satisfy the demands of our increasing world population. “Green revolution”, the introduction of semi-dwarf, high yielding wheat varieties along with improved agronomic management practices, gave rise to a substantial increase in wheat production and self-sufficiency in developing countries that include Mexico, India and other south Asian countries. Since the late 1980’s, however, wheat yield is at a standoff with little fluctuation. The current trend is thus insufficient to meet the demands of an increasing world population. Therefore, while conventional breeding has had a great impact on wheat yield, with climate change becoming a reality, newer molecular breeding and management tools are needed to meet the goal of improving wheat yield for the future. With the advance in our understanding of the wheat genome and more importantly, the role of environmental interactions on productivity, the idea of genomic selection has been proposed to select for multi-genic quantitative traits early in the breeding cycle. Accordingly genomic selection may remodel wheat breeding with gain that is predicted to be 3 to 5 times that of crossbreeding. Phenomics (high-throughput phenotyping) is another fairly recent advancement using contemporary sensors for wheat germplasm screening and as a selection tool. Lastly, CRISPR/Cas9 ribonucleoprotein mediated genome editing technology has been successfully utilized for efficient and specific genome editing of hexaploid bread wheat. In summary, there has been exciting progresses in the development of non-GM wheat plants resistant to biotic and abiotic stress and/or wheat with improved nutritional quality. We believe it is important to highlight these novel research accomplishments for a broader audience, with the hope that our readers will ultimately adopt these powerful technologies for crops improvement in order to meet the demands of an expanding world population.
Book Synopsis Salinity and Water Stress by : M. Ashraf
Download or read book Salinity and Water Stress written by M. Ashraf and published by Springer Science & Business Media. This book was released on 2008-12-26 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Salinity and water stress limit crop productivity worldwide and generate substantial economic losses each year, yet innovative research on crop and natural resource management can reveal cost-effective ways in which farmers can increase both their productivity and their income. Presenting recent research findings on salt stress, water stress and stress-adapted plants, this book offers insights into new strategies for increasing the efficiency of crops under stressful environments. The strategies are based on conventional breeding and advanced molecular techniques used by plant physiologists, and are discussed using specific case studies to illustrate their potential. The book emphasizes the effects of environmental factors on specific stages of plant development, and discusses the role of plant growth regulators, nutrients, osmoprotectants and antioxidants in counteracting their adverse affects. Synthesising updated information on mechansisms of stress tolerance at cell, tissue and whole-plant level, this book provides a useful reference text for post graduate students and researchers involved in the fields of stress physiology and plant physiology in general, with additional readership amongst researchers in horticulture, agronomy, crop science, conservation, environmental management and ecological restoration.
Book Synopsis Handbook of Plant and Crop Physiology by : Mohammad Pessarakli
Download or read book Handbook of Plant and Crop Physiology written by Mohammad Pessarakli and published by CRC Press. This book was released on 2014-03-21 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuous discoveries in plant and crop physiology have resulted in an abundance of new information since the publication of the second edition of the Handbook of Plant and Crop Physiology, necessitating a new edition to cover the latest advances in the field. Like its predecessors, the Third Edition offers a unique, complete collection of topics
Book Synopsis Genetic Studies on Yield, Yield-components and Some Morpho-physiological Traits in Relation to Moisture-stress Tolerance in Wheat (Triticum Aestivum L.). by : M.S. Islam
Download or read book Genetic Studies on Yield, Yield-components and Some Morpho-physiological Traits in Relation to Moisture-stress Tolerance in Wheat (Triticum Aestivum L.). written by M.S. Islam and published by . This book was released on 1997 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological breeding I: interdisciplinary approaches to improve crop adaptation by :
Download or read book Physiological breeding I: interdisciplinary approaches to improve crop adaptation written by and published by CIMMYT. This book was released on with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Drought phenotyping in crops: From theory to practice by : Philippe Monneveux
Download or read book Drought phenotyping in crops: From theory to practice written by Philippe Monneveux and published by Frontiers E-books. This book was released on 2014-02-12 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This topic is a unique attempt to simultaneously tackle theoretical and practical aspects in drought phenotyping, through both crop-specific and cross-cutting approaches. It is designed for – and will be of use to – practitioners and postgraduate students in plant science, who are grappling with the challenging task of evaluating germplasm performance under different water regimes. In Part I, different methodologies are presented for accurately characterising environmental conditions, implementing trials, and capturing and analysing the information this generates, regardless of the crop. Part II presents the state-of-art in research on adaptation to drought, and recommends specific protocols to measure different traits in major food crops (focusing on particular cereals, legumes and clonal crops). The topic is part of the CGIAR Generation Challenge Programme’s efforts to disseminate crop research information, tools and protocols, for improving characterisation of environments and phenotyping conditions. The goal is to enhance expertise in testing locations, and to stimulate the development and use of traits related to drought tolerance, as well as innovative protocols for crop characterisation and breeding.
