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Comparative S1 Line And Top Cross Performance Of Corn Zea Mays
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Book Synopsis Comparative S1 Line and Top-cross Performance of Corn (Zea Mays). by : Adam Francis Koble
Download or read book Comparative S1 Line and Top-cross Performance of Corn (Zea Mays). written by Adam Francis Koble and published by . This book was released on 1964 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantitative Genetics in Maize Breeding by : Arnel R. Hallauer
Download or read book Quantitative Genetics in Maize Breeding written by Arnel R. Hallauer and published by Springer Science & Business Media. This book was released on 2010-09-28 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maize is used in an endless list of products that are directly or indirectly related to human nutrition and food security. Maize is grown in producer farms, farmers depend on genetically improved cultivars, and maize breeders develop improved maize cultivars for farmers. Nikolai I. Vavilov defined plant breeding as plant evolution directed by man. Among crops, maize is one of the most successful examples for breeder-directed evolution. Maize is a cross-pollinated species with unique and separate male and female organs allowing techniques from both self and cross-pollinated crops to be utilized. As a consequence, a diverse set of breeding methods can be utilized for the development of various maize cultivar types for all economic conditions (e.g., improved populations, inbred lines, and their hybrids for different types of markets). Maize breeding is the science of maize cultivar development. Public investment in maize breeding from 1865 to 1996 was $3 billion (Crosbie et al., 2004) and the return on investment was $260 billion as a consequence of applied maize breeding, even without full understanding of the genetic basis of heterosis. The principles of quantitative genetics have been successfully applied by maize breeders worldwide to adapt and improve germplasm sources of cultivars for very simple traits (e.g. maize flowering) and very complex ones (e.g., grain yield). For instance, genomic efforts have isolated early-maturing genes and QTL for potential MAS but very simple and low cost phenotypic efforts have caused significant and fast genetic progress across genotypes moving elite tropical and late temperate maize northward with minimal investment. Quantitative genetics has allowed the integration of pre-breeding with cultivar development by characterizing populations genetically, adapting them to places never thought of (e.g., tropical to short-seasons), improving them by all sorts of intra- and inter-population recurrent selection methods, extracting lines with more probability of success, and exploiting inbreeding and heterosis. Quantitative genetics in maize breeding has improved the odds of developing outstanding maize cultivars from genetically broad based improved populations such as B73. The inbred-hybrid concept in maize was a public sector invention 100 years ago and it is still considered one of the greatest achievements in plant breeding. Maize hybrids grown by farmers today are still produced following this methodology and there is still no limit to genetic improvement when most genes are targeted in the breeding process. Heterotic effects are unique for each hybrid and exotic genetic materials (e.g., tropical, early maturing) carry useful alleles for complex traits not present in the B73 genome just sequenced while increasing the genetic diversity of U.S. hybrids. Breeding programs based on classical quantitative genetics and selection methods will be the basis for proving theoretical approaches on breeding plans based on molecular markers. Mating designs still offer large sample sizes when compared to QTL approaches and there is still a need to successful integration of these methods. There is a need to increase the genetic diversity of maize hybrids available in the market (e.g., there is a need to increase the number of early maturing testers in the northern U.S.). Public programs can still develop new and genetically diverse products not available in industry. However, public U.S. maize breeding programs have either been discontinued or are eroding because of decreasing state and federal funding toward basic science. Future significant genetic gains in maize are dependent on the incorporation of useful and unique genetic diversity not available in industry (e.g., NDSU EarlyGEM lines). The integration of pre-breeding methods with cultivar development should enhance future breeding efforts to maintain active public breeding programs not only adapting and improving genetically broad-based germplasm but also developing unique products and training the next generation of maize breeders producing research dissertations directly linked to breeding programs. This is especially important in areas where commercial hybrids are not locally bred. More than ever public and private institutions are encouraged to cooperate in order to share breeding rights, research goals, winter nurseries, managed stress environments, and latest technology for the benefit of producing the best possible hybrids for farmers with the least cost. We have the opportunity to link both classical and modern technology for the benefit of breeding in close cooperation with industry without the need for investing in academic labs and time (e.g., industry labs take a week vs months/years in academic labs for the same work). This volume, as part of the Handbook of Plant Breeding series, aims to increase awareness of the relative value and impact of maize breeding for food, feed, and fuel security. Without breeding programs continuously developing improved germplasm, no technology can develop improved cultivars. Quantitative Genetics in Maize Breeding presents principles and data that can be applied to maximize genetic improvement of germplasm and develop superior genotypes in different crops. The topics included should be of interest of graduate students and breeders conducting research not only on breeding and selection methods but also developing pure lines and hybrid cultivars in crop species. This volume is a unique and permanent contribution to breeders, geneticists, students, policy makers, and land-grant institutions still promoting quality research in applied plant breeding as opposed to promoting grant monies and indirect costs at any short-term cost. The book is dedicated to those who envision the development of the next generation of cultivars with less need of water and inputs, with better nutrition; and with higher percentages of exotic germplasm as well as those that pursue independent research goals before searching for funding. Scientists are encouraged to use all possible breeding methodologies available (e.g., transgenics, classical breeding, MAS, and all possible combinations could be used with specific sound long and short-term goals on mind) once germplasm is chosen making wise decisions with proven and scientifically sound technologies for assisting current breeding efforts depending on the particular trait under selection. Arnel R. Hallauer is C. F. Curtiss Distinguished Professor in Agriculture (Emeritus) at Iowa State University (ISU). Dr. Hallauer has led maize-breeding research for mid-season maturity at ISU since 1958. His work has had a worldwide impact on plant-breeding programs, industry, and students and was named a member of the National Academy of Sciences. Hallauer is a native of Kansas, USA. José B. Miranda Filho is full-professor in the Department of Genetics, Escola Superior de Agricultura Luiz de Queiroz - University of São Paulo located at Piracicaba, Brazil. His research interests have emphasized development of quantitative genetic theory and its application to maize breeding. Miranda Filho is native of Pirassununga, São Paulo, Brazil. M.J. Carena is professor of plant sciences at North Dakota State University (NDSU). Dr. Carena has led maize-breeding research for short-season maturity at NDSU since 1999. This program is currently one the of the few public U.S. programs left integrating pre-breeding with cultivar development and training in applied maize breeding. He teaches Quantitative Genetics and Crop Breeding Techniques at NDSU. Carena is a native of Buenos Aires, Argentina. http://www.ag.ndsu.nodak.edu/plantsci/faculty/Carena.htm
Book Synopsis The Effectiveness of S1 and Topcross Evaluation in a Recurrent Selection Program in Corn (Zea Mays). by : V. R. Carangal
Download or read book The Effectiveness of S1 and Topcross Evaluation in a Recurrent Selection Program in Corn (Zea Mays). written by V. R. Carangal and published by . This book was released on 1966 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asian Regional Maize Workshop, 10. Maize for Asia - Emerging Trends and; Technologies. Proceedings of The Asian Regional Maize Workshop; Makassar, Indonesia; 20-23 October, 2008 by :
Download or read book Asian Regional Maize Workshop, 10. Maize for Asia - Emerging Trends and; Technologies. Proceedings of The Asian Regional Maize Workshop; Makassar, Indonesia; 20-23 October, 2008 written by and published by CIMMYT. This book was released on with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comparison of F1 and F2 Performance in Maize by : William D. Kettler
Download or read book A Comparison of F1 and F2 Performance in Maize written by William D. Kettler and published by . This book was released on 1979 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Methodological Achievements of the Hungarian Hybrid Maize Breeding by : István Kovács
Download or read book Some Methodological Achievements of the Hungarian Hybrid Maize Breeding written by István Kovács and published by . This book was released on 1970 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic material for breeding; Development of inbred lines; Evaluation of inbred lines; Male-sterility and restoring fertility; Significance of yield component; Breeding for specific characteristics; Physiologicl and seed viability researches.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1965 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Annual Corn and Sorghum Research Conference by :
Download or read book Report of Annual Corn and Sorghum Research Conference written by and published by . This book was released on 1978 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hybrid Cultivar Development by : S.S. Banga
Download or read book Hybrid Cultivar Development written by S.S. Banga and published by Springer Science & Business Media. This book was released on 1998-10-13 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterosis breeding based on male sterility has become established in many field crops and has been credited with high productivity. This book presents an update on the advent and promise of hybrids with comprehensive coverage of theoretical and applied aspects of heterosis breeding. Its principal elements are the hybrid advantage, pollination control mechanisms and finally the production of hybrid seeds. Individual crop specialists present in-depth analyses of intricacies involved in the development of hybrids of rice, wheat, maize, barley, pearl millet, sorghum, cotton, sunflower, rapeseed-mustard, castor, pigeonpea, tomato, onion, cole crops, peppers, and melon. The book will be used by researchers, teachers and students of botany, genetics, horticulture and plant breeding.
Book Synopsis Recurrent Selection for General Combining Ability Based on Inbred Lines Performance Per-se in Corn (Zea Mays). by : Syed Mahboob Ali
Download or read book Recurrent Selection for General Combining Ability Based on Inbred Lines Performance Per-se in Corn (Zea Mays). written by Syed Mahboob Ali and published by . This book was released on 1965 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agronomy and Plant Genetics at the University of Minnesota by :
Download or read book Agronomy and Plant Genetics at the University of Minnesota written by and published by . This book was released on 2000 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1970 with total page 1776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the American Society of Sugar Beet Technologists by : American Society of Sugar Beet Technologists
Download or read book Journal of the American Society of Sugar Beet Technologists written by American Society of Sugar Beet Technologists and published by . This book was released on 1966 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asian Regional Maize Workshop, 8: New Technologies for the New Millennium by :
Download or read book Asian Regional Maize Workshop, 8: New Technologies for the New Millennium written by and published by CIMMYT. This book was released on with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Register of Ph. D. Degrees Conferred by the University of Minnesota by : University of Minnesota
Download or read book Register of Ph. D. Degrees Conferred by the University of Minnesota written by University of Minnesota and published by . This book was released on 1956 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dissertation Abstracts written by and published by . This book was released on 1965 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Breeding Abstracts written by and published by . This book was released on 1999 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt: