Determining Genetic Overlap Between Staygreen Leaf Wax And Canopy Temperature Depression In Sorghum Rils
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Author | : Henry Awika |
Publisher | : |
Total Pages | : |
Release | : 2012 |
Genre | : |
ISBN | : |
Download Determining Genetic Overlap Between Staygreen, Leaf Wax and Canopy Temperature Depression in Sorghum RILS Book in PDF, Epub and Kindle
Crops adapted to dry conditions are essential to meet future food, feed and energy needs. Knowledge of interaction between drought tolerance traits and their response to varying water supply conditions would improve selection for yield stability traits. This study focused on determining the association between the QTL regulating the staygreen trait in sorghum with improved canopy temperature depression (CTD) as regulated by total and compositional epicuticular wax content in a recombinant inbred line population derived from BTx642 and RTx7000. Phenotypic data were collected in 3 replicated field trials and 1 greenhouse trial. Plants with higher leaf EWL had cooler canopies. Our results also confirmed that staygreen genotypes are able to maintain cooler canopy than the non-stay-green genotypes under drought and hot conditions. We have suggested that wax might offer a more stable indicator for selection of drought tolerance under a variety of weather conditions. Composite interval mapping identified a total of 28 QTL, fifteen of which had significant overlaps. The overlap between QTL for cuticular leaf wax and QTL for staygreen exhibits a departure from the QTL overlaps for other traits with that of cuticular leaf wax. We have also suggested that under drought stress, the QTL for staygreen may be expressed earlier in time (at anthesis) than had been previously believed.
Author | : Ignacio A. Ciampitti |
Publisher | : John Wiley & Sons |
Total Pages | : 528 |
Release | : 2020-01-22 |
Genre | : Technology & Engineering |
ISBN | : 0891186271 |
Download Sorghum Book in PDF, Epub and Kindle
Sorghum is among the top five cereals and one of the key crops in global food security efforts. Sorghum is a resilient crop under high-stress environments, ensuring productivity and access to food when other crops fail. Scientists see the potential of sorghum as a main staple food in a future challenged by climate change. The contributors provide a comprehensive review of sorghum knowledge. The discussion covers genetic improvements, development of new hybrids, biotechnology, and physiological modifications. Production topics include water and nutrient management, rotations, and pest control. Final end uses, sorghum as a bioenergy crop, markets, and the future of sorghum are presented. IN PRESS! This book is being published according to the “Just Published” model, with more chapters to be published online as they are completed.
Author | : B. Venkateswarlu |
Publisher | : Springer Science & Business Media |
Total Pages | : 617 |
Release | : 2011-11-22 |
Genre | : Technology & Engineering |
ISBN | : 9400722206 |
Download Crop Stress and its Management: Perspectives and Strategies Book in PDF, Epub and Kindle
Crops experience an assortment of environmental stresses which include abiotic viz., drought, water logging, salinity, extremes of temperature, high variability in radiation, subtle but perceptible changes in atmospheric gases and biotic viz., insects, birds, other pests, weeds, pathogens (viruses and other microbes). The ability to tolerate or adapt and overwinter by effectively countering these stresses is a very multifaceted phenomenon. In addition, the inability to do so which renders the crops susceptible is again the result of various exogenous and endogenous interactions in the ecosystem. Both biotic and abiotic stresses occur at various stages of plant development and frequently more than one stress concurrently affects the crop. Stresses result in both universal and definite effects on plant growth and development. One of the imposing tasks for the crop researchers globally is to distinguish and to diminish effects of these stress factors on the performance of crop plants, especially with respect to yield and quality of harvested products. This is of special significance in view of the impending climate change, with complex consequences for economically profitable and ecologically and environmentally sound global agriculture. The challenge at the hands of the crop scientist in such a scenario is to promote a competitive and multifunctional agriculture, leading to the production of highly nourishing, healthy and secure food and animal feed as well as raw materials for a wide variety of industrial applications. In order to successfully meet this challenge researchers have to understand the various aspects of these stresses in view of the current development from molecules to ecosystems. The book will focus on broad research areas in relation to these stresses which are in the forefront in contemporary crop stress research.
Author | : Jean-Marcel Ribaut |
Publisher | : CRC Press |
Total Pages | : 696 |
Release | : 2006-09-08 |
Genre | : Technology & Engineering |
ISBN | : 9781560222781 |
Download Drought Adaptation in Cereals Book in PDF, Epub and Kindle
Learn how to best improve yield in cereal plants—even in dry conditions The impact of drought on crop production can be economically devastating. Drought Adaptation in Cereals provides a comprehensive review of the latest research on the tolerance of cereal crops to water-limited conditions. Renowned experts extensively describe basic concepts and cutting-edge research results to clearly reveal all facets of drought adaptation in cereals. More than simply a fine reference for plant biology and plant improvement under water-limited conditions, this book spotlights the most relevant biological approaches from plant phenotyping to functional genomics. The need to understand plant response to the lack of water is integral to forming strategies to best manage crops. Drought Adaptation in Cereals starts by offering an overview of the biological basis and defines the adaptive mechanisms found in plants under water-limited conditions. Different approaches are presented to provide understanding of plant genetics basics and plant breeding, including phenotyping, physiology, and biotechnology. The book details drought adaptation mechanisms at the cellular, organ, and entire plant levels, focusing on plant metabolism and gene functions. This resource is extensively referenced and contains tables, charts, and figures to clearly present data and enhance understanding. After a foreword by J. O'Toole and a prologue by A. Blum, Drought Adaptation in Cereals presents a full spectrum of informative topics from other internationally respected scientists. These include: drought’s economic impact (P. Heisey) genotype-by-environment interactions (M. Cooper) secondary traits for drought adaptation (P. Monneveux) leaf growth (F. Tardieu) carbon isotope discrimination (T. Condon) drought adaptation in barley (M. Sorrells), maize (M. Sawkins), rice (R. Lafitte), sorghum (A. Borrell) and wheat (M. Reynolds) carbohydrate metabolism (A. Tiessen) the role of abscisic acid (T. Setter) protection mechanisms and stress proteins (L. Mtwisha) genetic basis of ion homeostasis and water deficit (H. Bohnert) transcriptional factors (K. Yamaguchi-Shinozaki) resurrection plants (D. Bartels) Drought Adaptation in Cereals is a unique, vital reference for scientists, educators, and students in plant biology, agronomy, and natural resources management.
Author | : Jameel M. Al-Khayri |
Publisher | : Springer |
Total Pages | : 707 |
Release | : 2016-03-29 |
Genre | : Technology & Engineering |
ISBN | : 3319225189 |
Download Advances in Plant Breeding Strategies: Agronomic, Abiotic and Biotic Stress Traits Book in PDF, Epub and Kindle
The basic concept of this book is to examine the use of innovative methods augmenting traditional plant breeding towards the development of new crop varieties under different environmental conditions to achieve sustainable food production. This book consists of two volumes: Volume 1 subtitled Breeding, Biotechnology and Molecular Tools and Volume 2 subtitled Agronomic, Abiotic and Biotic Stress Traits. This is volume 2 which contains 18 chapters highlighting breeding strategies for specific plant traits including improved nutritional and pharmaceutical properties as well as enhanced tolerance to insects, diseases, drought, salinity and temperature extremes expected under predicted global climate change.
Author | : K. S. Fischer |
Publisher | : Int. Rice Res. Inst. |
Total Pages | : 106 |
Release | : 2003 |
Genre | : Rice |
ISBN | : 9712201899 |
Download Breeding Rice for Drought-prone Environments Book in PDF, Epub and Kindle
Information available for other cereals and the limited or circumstantial evidence available for rice indicate that we can now breed varieties that have improved yield under drought and produce high yields in the good seasons. This manual aims to help plant breeders develop such varieties.
Author | : Philippe Monneveux |
Publisher | : Frontiers E-books |
Total Pages | : 238 |
Release | : 2014-02-12 |
Genre | : |
ISBN | : 2889191818 |
Download Drought phenotyping in crops: From theory to practice Book in PDF, Epub and Kindle
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.
Author | : Michael Jackson |
Publisher | : CABI |
Total Pages | : 321 |
Release | : 2013-12-13 |
Genre | : Science |
ISBN | : 1780641974 |
Download Plant Genetic Resources and Climate Change Book in PDF, Epub and Kindle
This book will address the current state of climate change predictions, and how climate change will affect conservation and use of crop germplasm, both ex situ and in situ. In addition, specific examples of germplasm research related to 'climate change threats' will be highlighted. Such activities need to take place under a regime of access to and use of germplasm through international conventions and treaties.
Author | : Bhumi Nath Tripathi |
Publisher | : Springer |
Total Pages | : 293 |
Release | : 2015-05-27 |
Genre | : Science |
ISBN | : 3319133683 |
Download Stress Responses in Plants Book in PDF, Epub and Kindle
This collection discusses the variety of specific molecular reactions by means of which plants respond to physiological and toxic stress conditions. It focuses on the characterization of the molecular mechanisms that underlie the induction of toxicity and the triggered responses and resistances. The nine chapters, all written by prominent researchers, examine heavy metal toxicity, aluminum toxicity, arsenic toxicity, salt toxicity, drought stress, light stress, temperature stress, flood stress and UV-B stress. In addition, information on the fundamentals of stress responses and resistance mechanisms is provided. The book addresses researchers and students working in the fields of plant physiology and biochemistry.
Author | : Kazuki Saito |
Publisher | : Springer Science & Business Media |
Total Pages | : 351 |
Release | : 2006-06-29 |
Genre | : Science |
ISBN | : 3540297820 |
Download Plant Metabolomics Book in PDF, Epub and Kindle
Metabolomics – which deals with all metabolites of an organism – is a rapidly-emerging sector of post-genome research fields. It plays significant roles in a variety of fields from medicine to agriculture and holds a fundamental position in functional genomics studies and their application in plant biotechnology. This volume comprehensively covers plant metabolomics for the first time. The chapters offer cutting-edge information on analytical technology, bioinformatics and applications. They were all written by leading researchers who have been directly involved in plant metabolomics research throughout the world. Up-to-date information and future developments are described, thereby producing a volume which is a landmark of plant metabolomics research and a beneficial guideline to graduate students and researchers in academia, industry, and technology transfer organizations in all plant science fields.