Download or read book Potential Impact of Investments in Drought Tolerant Maize in Africa written by and published by CIMMYT. This book was released on with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Drought Stress in Maize Zea mays L written by Muhammad Aslam and published by Springer. This book was released on 2015-11-20 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on early germination, one of maize germplasm most important strategies for adapting to drought-induced stress. Some genotypes have the ability to adapt by either reducing water losses or by increasing water uptake. Drought tolerance is also an adaptive strategy that enables crop plants to maintain their normal physiological processes and deliver higher economical yield despite drought stress. Several processes are involved in conferring drought tolerance in maize: the accumulation of osmolytes or antioxidants, plant growth regulators, stress proteins and water channel proteins, transcription factors and signal transduction pathways. Drought is one of the most detrimental forms of abiotic stress around the world and seriously limits the productivity of agricultural crops. Maize, one of the leading cereal crops in the world, is sensitive to drought stress. Maize harvests are affected by drought stress at different growth stages in different regions. Numerous events in the life of maize crops can be affected by drought stress: germination potential, seedling growth, seedling stand establishment, overall growth and development, pollen and silk development, anthesis silking interval, pollination, and embryo, endosperm and kernel development. Though every maize genotype has the ability to avoid or withstand drought stress, there is a concrete need to improve the level of adaptability to drought stress to address the global issue of food security. The most common biological strategies for improving drought stress resistance include screening available maize germplasm for drought tolerance, conventional breeding strategies, and marker-assisted and genomic-assisted breeding and development of transgenic maize. As a comprehensive understanding of the effects of drought stress, adaptive strategies and potential breeding tools is the prerequisite for any sound breeding plan, this brief addresses these aspects.
Download or read book Maize written by Akbar Hossain and published by BoD – Books on Demand. This book was released on 2020-04-22 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maize is a staple cereal after wheat and rice. It is an important source of carbohydrate, protein, iron, vitamin B and minerals for many poor people in the world. In developing countries maize is a major source of income in resource-poor farmers. As maize is used both as silage and as crop residue and the grains of maize are usually used for food, starch and oil extraction industrially, the demand for maize is rising day by day. Therefore, it is imperative for improvement of maize to meet the increasing demand. This book entitled "Maize - Production and Use" highlights the importance of maize and the improved management approaches for improving the productivity of maize in the era of changing climate.
Download or read book Carotenoids and Human Health written by Sherry A. Tanumihardjo and published by Springer Science & Business Media. This book was released on 2012-11-28 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carotenoids and Human Health provides an introduction to food sources and metabolism. Written by experts in their fields and including the most up-to-date information, this volume serves as an in-depth guide to studies that have been performed in humans and observations that have been made in population level assessments. Special emphasis is given to associations with disease, as well as the importance of carotenoids internationally, specifically as a source of vitamin A for the world. Comprehensive and easy to use, Carotenoids and Human Health is a very useful resource for nutritionists, registered dieticians, medical students, and graduate students.
Download or read book Sustainable Agriculture written by R.S. Meena and published by Scientific Publishers. This book was released on 2019-01-01 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book promotes the study and application of the agro-ecology for developing alternatives to the complex problems of resource depletion, environmental degradation, a narrowing of the agrobiodiversity, consolidation, and industrialization of the food system, climate change, and the loss of farmland. This book covers food systems approaches, and seek experiences in an ecofriendly that are on-farm, participatory, change-oriented, and backed by broad-based methodologies for sustainability analysis and evaluation. The objectives of this book are: (1) to understand the role sustainable agricultural productivity, and its importance to the sustainable soil management, (2) to restore the soil health to transforming agriculture for sustainability, and (3) to understand the matching of management rules in the climatic perspective.
Download or read book Africa in a Changing Global Environment written by Mutanga, Shingirirai Savious and published by Africa Institute of South Africa. This book was released on 2013-10-20 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Africa is one continent severely affected by the ravaging effects of global environment change yet it is least responsible for this. The continent's rural and urban poor are particularly vulnerable to reduced agricultural production, worsening food security, increased incidence of both flooding and drought, spreading of disease and heightening risk of conflict over scarce land and water resources. As such this timely book consisting of chapters authored by scholars from multidisciplinary backgrounds provides the reader a variety of contexts from which to understand the impacts of global environmental change and how affected African communities are adapting an mitigating the scourge. In addition it discusses different models for mitigation and adaptation applicable to local contexts.
Download or read book Bt Resistance written by Mario Soberon and published by CABI. This book was released on 2015-04-24 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bacillus thuringiensis (Bt) bacteria use Cry proteins to kill their insect larval hosts. The expression of certain Cry toxins in transgenic crops has been widely used to achieve efficient control of insect pests. This book describes the use of Bt crops and the emerging problem of resistance, recent progress in understanding the mechanism of action of Bt toxins, different resistance mechanisms and strategies to cope with resistance in the field. It describes resistant insects found in the field in different countries, particularly in the developing world, and ways to counter resistance such as gene stalking, refuges, modified toxins and gene discovery of novel toxins with different mode of action.
Download or read book Characterization of maize production in Southern Africa synthesis of CIMMYT DTMA household level farming system surveys in Angola Malawi Mozambique Zambia and Zimbabwe written by and published by CIMMYT. This book was released on with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crop Improvement Under Adverse Conditions written by Narendra Tuteja and published by Springer Science & Business Media. This book was released on 2012-12-09 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant development and productivity are negatively regulated by various environmental stresses. Abiotic stress factors such as heat, cold, drought, and salinity represent key elements limiting agricultural productivity worldwide. Thus, developing crop plants with the ability to tolerate abiotic stresses is a critical need which demands modern novel strategies for the thorough understanding of plant response to abiotic stresses. Crop Improvement under Adverse Conditions will serve as a cutting-edge resource for researchers and students alike who are studying plant abiotic stress tolerance and crop improvement. The book presents the latest trends and developments in the field, including the impact of extreme events on salt tolerant forest species of Andaman & Nicobar Islands, the overlapping horizons of salicylic acid in different stresses, and fast and reliable approaches to crop improvement through In Vitro haploid production. Written by renowned experts and featuring useful illustrations and photographs, Crop Improvement under Adverse Conditions is a concise and practical update on plant abiotic stress tolerance and crop improvement.
Download or read book Scaling Up Climate Action in Agriculture written by Bager, S. L and published by Nordic Council of Ministers. This book was released on 2017-05-31 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing food production in the face of a growing population, while adapting to and mitigating climate change constitutes a main challenge for the global agricultural sector. This study identifies, analyses and contextualizes regional initiatives related to agriculture and climate change in developing countries. In order to identify needs for improvements and possibilities for replication or scale-up, a review of recently launched initiatives is combined with a SWOT analysis. Moreover, the study places initiatives in the context of INDCs of Sub-Saharan African countries submitted under the UNFCCC. As a result, recommendations on how to develop and implement best practice agriculture climate change initiatives are presented.
Download or read book Crop Stress and its Management Perspectives and Strategies written by B. Venkateswarlu and published by Springer Science & Business Media. This book was released on 2011-11-22 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Sustainable Crop Productivity and Quality under Climate Change written by Fulai Liu and published by Academic Press. This book was released on 2022-06-07 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable Crop Productivity and Quality under Climate Change: Responses of Crop Plants to Climate Change explores the physiological, biochemical, and molecular basis of the responses of major crop plants to a range of climate change scenarios. From the development of climate-resilient crop varieties which lead to enhanced crop productivity and quality to better utilization of natural resources to ensure food security through modern breeding techniques, it presents insights into improving yield while securing the environment. Understanding the impact of climate on crop quality and production is a key challenge of crop science. Predicted increases in climate variability necessitate crop varieties with intrinsic resilience to cooccurring abiotic stresses such as heat, drought, and flooding in a future climate of elevated CO2. This book presents a much-needed mechanistic understanding of the interactions between multiple stress responses of plants that is required to identify and take advantage of acclimation traits in major crop species as a prerequisite for securing robust yield and good quality. This book is an excellent reference for crop and agricultural scientists, plant scientists, and researchers working on crop plant ecophysiology/stress physiology and future crop production. Includes breeding strategies for developing climate-resilient crop varieties Presents a comprehensive overview of the current challenges, approaches, and best practices Authored by frontline researchers and experts who work at the fields of climate change impacts on crop productivity
Download or read book Characterization of Maize Germplasm Grown in Eastern and Southern Africa written by and published by CIMMYT. This book was released on 2008 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Oxford Handbook of Food Politics and Society written by Ronald J. Herring and published by Oxford Handbooks. This book was released on 2015 with total page 905 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume explores the complex interrelationships between food and agriculture, politics, and society. More specifically, it considers the political aspects of three basic economic questions : what is to be produced? how is it to be produced? how it is to be distributed? It also outlines three unifying themes running through the politics of answering these societalquestions with regard to food, namely : ecology, technology and property
Download or read book Meeting the challenges of global climate change and food security through innovative maize research Proceedings of the National Maize Workshop of Ethiopia 3 Addis Ababa Ethiopia 18 20 April 2011 written by and published by CIMMYT. This book was released on with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book GMO Myths and Truths written by Claire Robinson and published by Chelsea Green Publishing. This book was released on 2015-12-15 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is often claimed that the case against genetically modified (GM) crops and foods is based on emotion, not science, and that to oppose GM crop and food technology is to be anti-science. It is also claimed that GM crops offer higher yields and better nutrition, that they are safe for health and the environment, that they reduce agrochemical use, and that they are needed to feed the world’s growing population. This book, co-authored by two genetic engineers and a writer/researcher, exposes these claims as false, using scientific and other documented evidence. GMO Myths and Truths summarizes the facts on the safety and efficacy of genetically modified (GM) crops and foods in terms that are accessible to the non-scientist but still relevant to scientists, policymakers and educators. The evidence presented points to many hazards, risks, and limitations of genetic engineering technology. These include harms found in animal feeding and ecological studies, which in turn indicate risks to health and the environment posed by GM crops and foods. The layout of the book enables those readers with limited time to read the chapter summaries, while providing more detail and full references for those who require them. At 164 pages of paperback size, this new condensed version is shorter and more accessible than the authors’ 330-page report by the same name, which has been downloaded over half a million times. The book shows that conventional breeding continues to outstrip GM in developing crops that deliver high yields, better nutrition, and tolerance to extreme weather conditions and poor soils. In agreement with over 400 international experts who co-authored a UN and World Bank-sponsored report on the future of farming, the authors conclude that modern agroecology, rather than GM, is the best path for feeding the world’s current and future populations in a safe and sustainable way.
Download or read book Aid Effectiveness for Environmental Sustainability written by Yongfu Huang and published by Springer. This book was released on 2017-12-28 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection examines the role that foreign aid can play in dealing with the severe global challenge of climate change, one of the most pressing international development issues of the 21st century. Addressing the key threats of rising temperatures, changes in precipitation, coastal erosion and natural disasters, the book considers the implications for policy and future research, particularly in developing countries. Focusing on the worth of foreign aid in ensuring environmental sustainability, this collection consider how it can be used to improve access to sustainable energy, to promote efficient use of energy resources, to improve emission reduction and support the preservation of biodiversity in forests. Advancing our knowledge about foreign aid and climate change, it provides policy recommendations for the donors and recipient country governments. A cutting edge text on one of the most pressing international development issues of this century, this is key reading for all scholars of international development and climate change.
