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Studies On The Inheritance And Physiology Of Prolificacy In Maize
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Book Synopsis Studies on the Inheritance and Physiology of Prolificacy in Maize by : Mark Earl Sorrells
Download or read book Studies on the Inheritance and Physiology of Prolificacy in Maize written by Mark Earl Sorrells and published by . This book was released on 1977 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: In two different experiments, the inheritance of prolificacy, and the relationship of multiple ear development to time intervals between developmental stages of reproductive structures were studied in maize (Zea mays L.) using both quantitative and' qualitative methods of' genetic analysis. The inheritance of time intervals between initiation of tassel and ear shoot meristems was examined in a third experimento A six-line partial diallel involving unrelated parents, F1's, and F2's were gro__ at plant densities of 17,200 and 34,400 plants/ha over two years. General (GCA) and speci-fie (SCA) combining ability effects were significant forboth ear number and multiple-ear-weight index (_JEWI) with GCA:SCA ratios ranging irem 12:1 to 18:1 for ear number and irem 8:1 to 21:1 for mIT. Positive phenotypic and genotypic correlations were obtained between the time intervals, first-to-second ear shoot emergence and first-to-second silk. Also, silking interval was negatively correlated with both ear number and MEWI. Among related inbred linest_eir F1's, F2's, and back-cresses, additive gene effects were highly significant for ear number and MEWI, and dominance effects were significant(0.05 leveI) for MEWI.Negative correlations were observed 4 between ear number and the time periods, ear shoot emergence-to-pollen-shed, first-to-second ear shoot emergence, and first-to-second silk. For the F1 and segregating generations of one pair of related liDes, a greater frequency of second ears occurred on plants having fewer nades above the first ear. ln both experiments, prolificacy factors segregated in a manner predictable trem the penetrance and genetic segre-gation inferred trem parents and F1 's. In addition, 'a meth-od is presented which permits genotypic classification of individual plants for testing segregation ratios and sub-sequent progeny testing. The garoe six parents and 15 F l' s as were used in the study on ear number were dissected daily and the dates of initiation of tassel and ear shoot meristems recorded.General combining ability effects were highly significant for the time periods tassel-to-first ear shoot initiation and firs'!;-to-second ear shoot ini tiation. Only the time period between ini tiation of the first and second ear shoot was correlated (0.01 leveI) with both ear number and MEWI.
Download or read book Maize genetic resources written by and published by CIMMYT. This book was released on 1995 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Twenty Cycles of Bi-parental Mass Selection for Prolificacy in the Open Pollinated Maize Population ʻGolden Glow ̓ by : Rene Adolfo Torrez Maita
Download or read book Twenty Cycles of Bi-parental Mass Selection for Prolificacy in the Open Pollinated Maize Population ʻGolden Glow ̓ written by Rene Adolfo Torrez Maita and published by . This book was released on 1995 with total page 240 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 1997 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1983 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agronomy News written by and published by . This book was released on 1991 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Book Synopsis Statistical Population Genomics by : Julien Y Dutheil
Download or read book Statistical Population Genomics written by Julien Y Dutheil and published by . This book was released on 2020-10-08 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access volume presents state-of-the-art inference methods in population genomics, focusing on data analysis based on rigorous statistical techniques. After introducing general concepts related to the biology of genomes and their evolution, the book covers state-of-the-art methods for the analysis of genomes in populations, including demography inference, population structure analysis and detection of selection, using both model-based inference and simulation procedures. Last but not least, it offers an overview of the current knowledge acquired by applying such methods to a large variety of eukaryotic organisms. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, pointers to the relevant literature, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Statistical Population Genomics aims to promote and ensure successful applications of population genomic methods to an increasing number of model systems and biological questions. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Book Synopsis Inheritance of Prolificacy and Maturity in Crosses of Southern X Northern Maize Germ Plasm by : Farrell Mull Bagshaw
Download or read book Inheritance of Prolificacy and Maturity in Crosses of Southern X Northern Maize Germ Plasm written by Farrell Mull Bagshaw and published by . This book was released on 1963 with total page 156 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 1978 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis University of Wisconsin Agronomy Department, the First 100 Years by : University of Wisconsin--Madison. Department of Agronomy
Download or read book University of Wisconsin Agronomy Department, the First 100 Years written by University of Wisconsin--Madison. Department of Agronomy and published by . This book was released on 2003 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cereals written by Marcelo J. Carena and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agriculture depends on improved cultivars, and cultivars are developed through proper plant breeding. Unfortunately, applied plant breeding programs that are focused on cereal commodity crops are under serious erosion because of lack of funding. This loss of public support affects breeding continuity, objectivity, and, perhaps equally important, the training of future plant breeders and the utilization and improvement of plant genetic resources currently available. Breeding programs should focus not only on short-term research goals but also on long-term genetic improvement of germplasm. The research products of breeding programs are important not only for food security but also for commodity-oriented public and private programs, especially in the fringes of crop production. Breeding strategies used for long-term selection are often neglected but the reality is that long-term research is needed for the success of short-term products. An excellent example is that genetically broad-based public germplasm has significantly been utilized and recycled by industry, producing billions of dollars for industry and farmers before intellectual property rights were available. Successful examples of breeding continuity have served the sustainable cereal crop production that we currently have. The fact that farmers rely on public and private breeding institutions for solving long-term challenges should influence policy makers to reverse this trend of reduced funding. Joint cooperation between industry and public institutions would be a good example to follow. The objective of this volume is to increase the utilization of useful genetic resources and increase awareness of the relative value and impact of plant breeding and biotechnology. That should lead to a more sustainable crop production and ultimately food security. Applied plant breeding will continue to be the foundation to which molecular markers are applied. Focusing useful molecular techniques on the right traits will build a strong linkage between genomics and plant breeding and lead to new and better cultivars. Therefore, more than ever there is a need for better communication and cooperation among scientists in the plant breeding and biotechnology areas. We have an opportunity to greatly enhance agricultural production by applying the results of this research to meet the growing demands for food security and environmental conservation. Ensuring strong applied plant breeding programs with successful application of molecular markers will be essential in ensuring such sustainable use of plant genetic resources.
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1973 with total page 1244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maize research for stress environments by :
Download or read book Maize research for stress environments written by and published by CIMMYT. This book was released on 1995 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seed Biology and Yield of Grain Crops, 2nd Edition by : Dennis B Egli
Download or read book Seed Biology and Yield of Grain Crops, 2nd Edition written by Dennis B Egli and published by CABI. This book was released on 2017-02-23 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of an established title examines the determination of grain crop yield from a unique perspective, by concentrating on the influence of the seed itself. As the food supply for an expanding world population is based on grain crops harvested for their seeds, understanding the process of seed growth and its regulation is crucial to our efforts to increase production and meet the needs of that population. Yield of grain crops is determined by their assimilatory processes such as photosynthesis and the biosynthetic processes in the seed, which are partly regulated within the seed itself. Substantially updated with new research and further developments of the practical applications of the concepts explored, this book is essential reading for those concerned with seed science and crop yield, including agronomists, crop physiologists, plant breeders, and extension workers. It is also a valuable source of information for lecturers and graduate students of agronomy and plant physiology.
Book Synopsis Quantitative Genetics, Genomics and Plant Breeding, 2nd Edition by : Manjit S. Kang
Download or read book Quantitative Genetics, Genomics and Plant Breeding, 2nd Edition written by Manjit S. Kang and published by CABI. This book was released on 2020-04-01 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents state-of-the-art, authoritative chapters on contemporary issues in the broad areas of quantitative genetics, genomics and plant breeding. Section 1 (Chapters 2 to 12) emphasizes the application of genomics, and genome and epigenome editing techniques, in plant breeding; bioinformatics; quantitative trait loci mapping; and the latest approaches of examining and exploiting genotype-environment interactions. Section 2 (Chapters 13 to 20) represents the intersection of breeding, genetics and genomics. This section describes the use of cutting-edge molecular breeding and quantitative genetics techniques in wheat, rice, maize, root and tuber crops and pearl millet. Overall, the book focuses on using genomic information to help evaluate traits that can combat biotic/abiotic stresses, genome-wide association mapping, high-throughput genotyping/phenotyping, biofortification, use of big data, orphan crops, and gene editing techniques. The examples featured are taken from across crop science research and cover a wide geographical base.
Book Synopsis Physiological Determinants of Crop Growth by : D. A. Charles-Edwards
Download or read book Physiological Determinants of Crop Growth written by D. A. Charles-Edwards and published by . This book was released on 1982 with total page 184 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 1964-09 with total page 1366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
