Diallel Analysis of Chinese and U.S. Maize Germplasm PDF Download
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Author: Max A. Glover
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 112
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Book Description
Added genetic diversity among commercial maize (Zea mays L.) hybrids may further increase yields and safeguard against past vulnerability. Introducing exotic germplasm into current breeding programs would increase the genetic base from which elite commercial inbreds are derived. Ten populations of maize, created from Chinese and/or U.S. inbreds or strains, were evaluated using Griffing's diallel analysis for combining ability of grain yield, European corn borer (Ostrinia nubilalis Hübner) resistance, stalk strength traits, flowering time, and plant and ear height to estimate their potential as sources of exotic germplasm for U.S. breeding programs. Grain yield general combining ability was greatest for the population Mo17(H14)C5, a recurrent selection synthetic of Mo17 and commercial versions of Mo17 which used US13 as a tester. Grain yield specific combining ability was greatest in the cross Chinese Mix 2 x Mo17(H14)C5. This cross also provided the greatest grain yield mean, which was significantly higher (P
Author: Max A. Glover
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 112
Get Book Here
Book Description
Added genetic diversity among commercial maize (Zea mays L.) hybrids may further increase yields and safeguard against past vulnerability. Introducing exotic germplasm into current breeding programs would increase the genetic base from which elite commercial inbreds are derived. Ten populations of maize, created from Chinese and/or U.S. inbreds or strains, were evaluated using Griffing's diallel analysis for combining ability of grain yield, European corn borer (Ostrinia nubilalis Hübner) resistance, stalk strength traits, flowering time, and plant and ear height to estimate their potential as sources of exotic germplasm for U.S. breeding programs. Grain yield general combining ability was greatest for the population Mo17(H14)C5, a recurrent selection synthetic of Mo17 and commercial versions of Mo17 which used US13 as a tester. Grain yield specific combining ability was greatest in the cross Chinese Mix 2 x Mo17(H14)C5. This cross also provided the greatest grain yield mean, which was significantly higher (P
Author: Baffour Badu-Apraku
Publisher: Springer
ISBN: 3319648527
Category : Technology & Engineering
Languages : en
Pages : 632
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Book Description
The book focuses on the principles and practices of tropical maize improvement with special emphasis on early and extra-early maize to feed the increasing population in Sub-Saharan Africa. It highlights the similarities and differences between results obtained in temperate regions of the world and WCA in terms of corroboration or refutation of genetic principles and theory of maize breeding. The book is expected to be of great interest to maize breeders, advanced undergraduates, graduate students, professors and research scientists in the national and international research institutes all over the world, particularly Sub-Saharan Africa. It will also serve as a useful reference for agricultural extension and technology transfer systems, Non-governmental Organizations (NGOs) and Community-Based Organizations (CBOs), seed companies and community-based seed enterprises, policy makers, and all those who are interested in generating wealth from agriculture and alleviating hunger and poverty in Sub-Saharan Africa.
Author: George Acquaah
Publisher: John Wiley & Sons
ISBN: 1119626692
Category : Science
Languages : en
Pages : 855
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Book Description
The revised edition of the bestselling textbook, covering both classical and molecular plant breeding Principles of Plant Genetics and Breeding integrates theory and practice to provide an insightful examination of the fundamental principles and advanced techniques of modern plant breeding. Combining both classical and molecular tools, this comprehensive textbook describes the multidisciplinary strategies used to produce new varieties of crops and plants, particularly in response to the increasing demands to of growing populations. Illustrated chapters cover a wide range of topics, including plant reproductive systems, germplasm for breeding, molecular breeding, the common objectives of plant breeders, marketing and societal issues, and more. Now in its third edition, this essential textbook contains extensively revised content that reflects recent advances and current practices. Substantial updates have been made to its molecular genetics and breeding sections, including discussions of new breeding techniques such as zinc finger nuclease, oligonucleotide directed mutagenesis, RNA-dependent DNA methylation, reverse breeding, genome editing, and others. A new table enables efficient comparison of an expanded list of molecular markers, including Allozyme, RFLPs, RAPD, SSR, ISSR, DAMD, AFLP, SNPs and ESTs. Also, new and updated “Industry Highlights” sections provide examples of the practical application of plant breeding methods to real-world problems. This new edition: Organizes topics to reflect the stages of an actual breeding project Incorporates the most recent technologies in the field, such as CRSPR genome edition and grafting on GM stock Includes numerous illustrations and end-of-chapter self-assessment questions, key references, suggested readings, and links to relevant websites Features a companion website containing additional artwork and instructor resources Principles of Plant Genetics and Breeding offers researchers and professionals an invaluable resource and remains the ideal textbook for advanced undergraduates and graduates in plant science, particularly those studying plant breeding, biotechnology, and genetics.
Author:
Publisher: CIMMYT
ISBN: 970648177X
Category :
Languages : en
Pages : 128
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Book Description
Author: Mirza Hasanuzzaman
Publisher: Springer
ISBN: 3030061183
Category : Science
Languages : en
Pages : 490
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Book Description
Plants have to manage a series of environmental stresses throughout their entire lifespan. Among these, abiotic stress is the most detrimental; one that is responsible for nearly 50% of crop yield reduction and appears to be a potential threat to global food security in coming decades. Plant growth and development reduces drastically due to adverse effects of abiotic stresses. It has been estimated that crop can exhibit only 30% of their genetic potentiality under abiotic stress condition. So, this is a fundamental need to understand the stress responses to facilitate breeders to develop stress resistant and stress tolerant cultivars along with good management practices to withstand abiotic stresses. Also, a holistic approach to understanding the molecular and biochemical interactions of plants is important to implement the knowledge of resistance mechanisms under abiotic stresses. Agronomic practices like selecting cultivars that is tolerant to wide range of climatic condition, planting date, irrigation scheduling, fertilizer management could be some of the effective short-term adaptive tools to fight against abiotic stresses. In addition, “system biology” and “omics approaches” in recent studies offer a long-term opportunity at the molecular level in dealing with abiotic stresses. The genetic approach, for example, selection and identification of major conditioning genes by linkage mapping and quantitative trait loci (QTL), production of mutant genes and transgenic introduction of novel genes, has imparted some tolerant characteristics in crop varieties from their wild ancestors. Recently research has revealed the interactions between micro-RNAs (miRNAs) and plant stress responses exposed to salinity, freezing stress and dehydration. Accordingly transgenic approaches to generate stress-tolerant plant are one of the most interesting researches to date. This book presents the recent development of agronomic and molecular approaches in conferring plant abiotic stress tolerance in an organized way. The present volume will be of great interest among research students and teaching community, and can also be used as reference material by professional researchers.
Author: Frederick E. Below
Publisher: MDPI
ISBN: 3038976121
Category : Nature
Languages : en
Pages : 203
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Book Description
This book is a printed edition of the Special Issue "Environmental and Management Factor Contributions to Maize Yield" that was published in Agronomy
Author:
Publisher: CIMMYT
ISBN:
Category :
Languages : en
Pages : 587
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Book Description
Author: Aakash K. Goyal
Publisher: BoD – Books on Demand
ISBN: 1803556153
Category : Technology & Engineering
Languages : en
Pages : 291
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Book Description
Over the past 50 years, cereals such as maize, rice, wheat, sorghum, and barley have emerged as rapidly evolving crops because of new technologies and advances in agronomy, breeding, biotechnology, genetics, and so on. Population growth and climate change have led to new challenges, among which are feeding the growing global population and mitigating adverse effects on the environment. One way to deal with these issues is through sustainable cereal production. This book discusses ways to achieve sustainable production of cereals via agronomy, breeding, transcriptomics, proteomics, and metabolomics. Chapters review research, examine challenges, and present prospects in the field. This volume is an excellent resource for students, researchers, and scientists interested and working in the area of sustainable crop production.
Author:
Publisher: CIMMYT
ISBN: 9791159416
Category :
Languages : en
Pages : 702
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Book Description
Author: R. L. Paliwal
Publisher: Fao
ISBN:
Category : Business & Economics
Languages : en
Pages : 384
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Book Description
Maize is an important crop and the demand for as both food and animal feed is expected to grow by 235 million tonnes between now and 2030. In many countries it will be difficult to increase the area under cultivation, so gains will have to come from increased productivity and intensification of the cropping system. This book looks at all aspects of tropical maize production from physiology, growing environments, pest and diseases, plant breeding and crop management and it is a substantial information resource necessary for the development of the crop.
