Developing Drought And Low N Tolerant Maize

Author : G. O. Edmeades
Publisher : CIMMYT
ISBN 13 : 9789686923933
Total Pages : 580 pages
Book Rating : 4.34/5 ( download)

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Download or read book Developing Drought and Low N-tolerant Maize written by G. O. Edmeades and published by CIMMYT. This book was released on 1996 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Incidence and intensity of drought and low N stresss in the tropics; Case studies strategies for crop production under drought and low n stresses in the tropics; Stress physology and identification of secondary traits; Physiology of low nitrogen stress; Breeding for tolerance to drought and low n stresses; General breeding strategies for stress tolerance; Progress in breeding drought tolerance; Progress in breeding low nitrogen tolerance; Experimental design and software.

Author : M. Bänzinger
Publisher : CIMMYT
ISBN 13 : 9706480463
Total Pages : 69 pages
Book Rating : 4.60/5 ( download)

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Download or read book Breeding for drought and nitrogen stress tolerance in maize: From theory to practice written by M. Bänzinger and published by CIMMYT. This book was released on 2000 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction - why breed for drought and low N tolerance?; Conceptual framework - breeding; Conventional approaches to improving the drought and low N tolerance of maize; Conventional approaches challenged; The challenge of breeding for drought and low N tolerance; Maize under drought and low N stress; Conceptual framework - physiology; Water and the maize plant; Nitrogen and the maize plant; Maize under drought and low N stress - consequences for breeding; Stress management; Drought; Low N stress; Statistical designs and layout of experiments; Increasing the number of replicates; Improved statistical designs; Field layout; Border effects from alleys; Secondary traits; Why use secondary traits?; How do we decide on the value of secondary traits in a drought or low N breeding program?; Secondary traits that help to identify drought tolerance; Secondary traits that help to identify low N tolerance: Selection indices - Combining information on secondary traits with grain yield; Combining information from various experiments; Breeding strategies; Choice of germplasm; Breeding schemes; Biotechnology: potential and constraints for improving drought and low N tolerance; The role of the farmer in selection; What is farmer participatory research and why is it important?; What is new about farmer participatory research?; Participatory methodologies.

Author : International Maize and Wheat Improvement Center
Publisher :
ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.64/5 ( download)

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Download or read book Developing Drought- and Low N-tolerant Maize written by International Maize and Wheat Improvement Center and published by . This book was released on 1997 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Muhammad Aslam
Publisher : Springer
ISBN 13 : 3319254421
Total Pages : 79 pages
Book Rating : 4.25/5 ( download)

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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 79 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.

Author : M.J. Kropff
Publisher : Springer Science & Business Media
ISBN 13 : 9401707545
Total Pages : 463 pages
Book Rating : 4.41/5 ( download)

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Download or read book Applications of Systems Approaches at the Field Level written by M.J. Kropff and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems approaches for agricultural development are needed to determine rational strategies for the role of agriculture in national development. Mathematical models and computer simulation provide objective tools for applying science to determine and evaluate options for resource management at field, farm and regional scales. However, these tools would not be fully utilizable without incorporating social and economic dimensions into their application. The second international symposium, Systems Approaches for Agricultural Development (SAAD), held in Los Baños, 6-8 December 1995, fostered this link between the biophysical sciences and the social sciences in the selection of keynote papers and oral presentations, a selection of which are included in these books. The contents further reflect how systems approaches have definitely moved beyond the research mode into the application mode. The large number and high quality of interdisciplinary research projects reported from different parts of the globe, to determine land use options that will meet multiple goals and yet sustain natural resource bases, is a key indicator of this `coming of age'. At the farm level, where trade-off decisions between processes and products (commodities) feature strongly, much progress is also evident in the development of systems-based tools for decision making. At the field level optimization of resource use and minimizing environmental effects has become of major concern for which systems approaches are indispensable. The books, of which Volume I deals with regional and farm studies level and Volume II with field level studies, will be of particular interest to all agricultural scientists and planners, as well as students interested in multidisciplinary and holistic approaches to agricultural development.

Author : Jean-Marcel Ribaut
Publisher : CIMMYT
ISBN 13 : 9706480528
Total Pages : 180 pages
Book Rating : 4.21/5 ( download)

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Download or read book Molecular Approaches for the Genetic Improvement of Cereals for Stable Production in Water-limited Environments written by Jean-Marcel Ribaut and published by CIMMYT. This book was released on 2000 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Matthew A. Jenks
Publisher : Springer Science & Business Media
ISBN 13 : 1402055773
Total Pages : 819 pages
Book Rating : 4.75/5 ( download)

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Download or read book Advances in Molecular Breeding Toward Drought and Salt Tolerant Crops written by Matthew A. Jenks and published by Springer Science & Business Media. This book was released on 2009-05-07 with total page 819 pages. Available in PDF, EPUB and Kindle. Book excerpt: With near-comprehensive coverage of new advances in crop breeding for drought and salinity stress tolerance, this timely work seeks to integrate the most recent findings about key biological determinants of plant stress tolerance with modern crop improvement strategies. This volume is unique because is provides exceptionally wide coverage of current knowledge and expertise being applied in drought and salt tolerance research.

Author : Jacob Levitt
Publisher :
ISBN 13 :
Total Pages : 736 pages
Book Rating : 4.23/5 ( download)

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Download or read book Responses of Plants to Environmental Stresses written by Jacob Levitt and published by . This book was released on 1972 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Akbar Hossain
Publisher : BoD – Books on Demand
ISBN 13 : 1838802614
Total Pages : 158 pages
Book Rating : 4.15/5 ( download)

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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.

Author :
Publisher : CIMMYT
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4./5 ( download)

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Download or read book An Analysis of the Bottlenecks affecting the production and deployment of maize seed in eastern and southern Africa. written by and published by CIMMYT. This book was released on with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: