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Author : Pek Ean Goh
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (975 download)
Download or read book A Study of the Physiology and Inheritance of Drought Tolerance in Maize, Zea Mays L. written by Pek Ean Goh and published by . This book was released on 1973 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Muhammad Aslam
Publisher : Springer
ISBN 13 : 3319254421
Total Pages : 79 pages
Book Rating : 4.3/5 (192 download)
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 : V. Kumar
Publisher :
ISBN 13 :
Total Pages : 6055 pages
Book Rating : 4.:/5 (698 download)
Download or read book Genetic Studies on Yield, Yield Components and Some Morpho-physiological Traits Associated with Drought Tolerance in Maize ( Zea Mays L.). written by V. Kumar and published by . This book was released on 1996 with total page 6055 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Bänzinger
Publisher : CIMMYT
ISBN 13 : 9706480463
Total Pages : 69 pages
Book Rating : 4.7/5 (64 download)
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 : S.A. Desai
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (698 download)
Download or read book Genetic Studies on Drought Tolerance in Relation to Morpho-physiological and Biochemical Parameters in Maize (Zea Mays L.). written by S.A. Desai and published by . This book was released on 1997 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Subramanyam
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (698 download)
Download or read book Genetics of Some Physiological and Morphological Parameters of Drought Resistance in Maize (Zea Mays L.). written by M. Subramanyam and published by . This book was released on 1992 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of Genetics of Some Morphological, Biochemical and Physiological Characters Associated with Drought Resistance in Maize (Zea Mays L.). written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Muhammad Aslam
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659483097
Total Pages : 84 pages
Book Rating : 4.4/5 (83 download)
Download or read book Maize (Zea Mays L.) Under Drought Stress written by Muhammad Aslam and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stresses create barriers in normal growth and developmental processes of plants. Plant life cycle is distorted variably depending upon severity of stress, type of stress and growth stage of plant. Among stresses drought is most severe regarding adverse effects to the agricultural crop productivity at Global level. Among cereals, maize is very important cereal due to multiple utilization for versatile purposes. Drought also affects the maize as it does with other crops so, there is dire need to recognize the effects of drought on maize in detail. This book is typically focusing on interference by drought in maize life cycle. Determination of possible effects on a plant enables the researcher to explore the resources to ameliorate the adverse effects of stress. Furthermore, recognition of plant traits to exploit in breeding, selection and screening of germplasm is also very critical stage in-order to identify suitable traits. This book also include the traits to be used as selection criteria for improvement against drought stress in maize.
Author : G. O. Edmeades
Publisher : CIMMYT
ISBN 13 : 9789686923933
Total Pages : 580 pages
Book Rating : 4.9/5 (239 download)
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 : Elmer George Heyne
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (317 download)
Download or read book Inheritance Studies of Heat and Drought Tolerance in Maize written by Elmer George Heyne and published by . This book was released on 1938 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. M. Arefi
Publisher :
ISBN 13 :
Total Pages : 191 pages
Book Rating : 4.:/5 (698 download)
Download or read book Genetic Analysis of Yield Yield Components and Some Morpho-physiological Traits Related to Drought Resistance in Two Heterozygeous Populations of Maize (zea Mays L). written by H. M. Arefi and published by . This book was released on 1993 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gustavo A Slafer
Publisher : CRC Press
ISBN 13 : 9781560228899
Total Pages : 252 pages
Book Rating : 4.2/5 (288 download)
Download or read book Physiological Bases for Maize Improvement written by Gustavo A Slafer and published by CRC Press. This book was released on 2000-09-25 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improve the quantity and quality of maize crops in any environment! While isolated examples of the physiological bases for genetic improvement of maize yield can be found in several papers (most of which are cited in this book), there has not, until now, been a single volume that delivers and clarifies all of the available information in this field! Today, Physiological Bases for Maize Improvement offers scientists and crop growers a thorough and concise guide to recent literature and developments about increasing the crop efficiency of corn. In Physiological Bases for Maize Improvement, international experts in the field discuss and analyze methods of effectively improving crop breeding and producing better and larger yields of corn. Physiological Bases for Maize Improvement delivers clear, thorough discussions of: improving maize grain yield potential in a cool environment improving maize grain yield potential in the tropics processes affecting maize grain yield potential in temperate conditions maize improvement for drought-limited conditions apical dominance, herbivory resistance, and competitive ability the use of simulation models for crop improvement . . . and much more! With this book, you will find ways to improve maize crops in a variety of countries and climates and understand the importance of kernel numbers and kernel growth to the overall yield. Containing current research and case studies, Physiological Bases for Maize Improvement provides you with vital strategies that will improve the quality and quantity of corn and increase plant functionality and fitness.
Author : Thomas C. Kilen
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (89 download)
Download or read book Studies of Drought Tolerance in Maize (Zea Mays L.) written by Thomas C. Kilen and published by . This book was released on 1968 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. R. Pinnamaneni
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (698 download)
Download or read book Investigation on Drought Tolerance in Maize (Zea Mays L.) A Genetic and Biochemical Appraisal written by S. R. Pinnamaneni and published by . This book was released on 1998 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Yadav
Publisher :
ISBN 13 :
Total Pages : 121 pages
Book Rating : 4.:/5 (698 download)
Download or read book Genetic Studies on Drought Tolerance and Other Morphophysiological Trails in Maize (Zea Mays L). written by T. Yadav and published by . This book was released on 1992 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Gouantoueu Guei
Publisher :
ISBN 13 :
Total Pages : 278 pages
Book Rating : 4.:/5 (241 download)
Download or read book Inheritance of Some Drought Adaptive Traits in Maize (Zea Mays L.) written by Robert Gouantoueu Guei and published by . This book was released on 1991 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander Joseph Lindsey
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (914 download)
Download or read book Agronomic and Physiological Responses of Modern Drought-tolerant Maize (zea Mays L.) Hybrids to Agronomic Production Practices written by Alexander Joseph Lindsey and published by . This book was released on 2015 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The potential of climate change to impact crop production has increased farmer interest in new drought-tolerant maize (Zea mays L.) hybrids. However, limited research on the physiology and agronomic management of these hybrids has been published. Three separate field studies were conducted from 2012 through 2014 at Hoytville, South Charleston, and Wooster, OH to evaluate the physiological and morphological responses of two non-transgenic drought-tolerant hybrids (P0210 and P1352) and two conventional hybrids (P0448 and P1184) to nitrogen application rate (0, 67, 134, 202, and 269 kg N/ha), plant population (59,000, 74,000, 89,000, 104,000, and 124,000 plants/ha), planting date (May or June), and watering treatment (rainfed plus irrigation and water exclusion). Studies in which gas exchange was measured on P1352 and P1184 found drought-tolerant hybrid maintained or increased net photosynthetic rates relative to the conventional hybrids while reducing or maintaining a similar level of stomatal conductance. The ratios of chlorophyll fluorescence were greater for the drought-tolerant hybrid during the vegetative growth stages. The drought-tolerant hybrid also exhibited a greater leaf area index (LAI) and specific leaf area (SLA) as compared the conventional hybrid. The relative chlorophyll content (RCC) was lower in the drought-tolerant hybrids, and P1352 exhibited lower chlorophyll and ear-leaf N concentrations compared to P1184 as was hypothesized. The drought-tolerant hybrids also exhibited a shorter anthesis-silking interval (ASI). The grain starch content was generally similar in the drought-tolerant hybrids compared to the conventional hybrids, but the drought-tolerant hybrids had greater oil content and less protein content than the conventional hybrids. All hybrids exhibited similar responses to population, including a decrease in RCC and an increase in ASI and LAI, and similar changes in grain protein, oil, and starch content. The grain yield at the agronomic optimum nitrogen rate (AONR) was similar regardless of hybrid (
