Quantitative genetics with focus on corn breeding and corn. The book introduces the basic concepts and methods that are useful in the statistical analysis and modeling of dnabased marker and phenotypic data that arise in agriculture, forrestry, experimental biology, and other fields. Carena has led maizebreeding research for shortseason maturity at ndsu since 1999. The conference will be held march 912, 2017, at the union station of st. Description although based on an international symposium held in baton rouge in 2001, the papers presented have been augmented and several chapters have been specially commissioned for this book. This book presents stateoftheart, authoritative chapters on contemporary issues in the broad areas. Improve tolerance and resistance to biotic mycotoxins especially aflatoxin and abiotic stresses salinity, drought and heat through breeding in addition to genetics. The principles of quantitative genetics behind the adaptation, improvement, and development of droughttolerant, highquality, and earlymaturing hybrids allows a maize crop for ethanol production in western north dakota with the. Content the course will focus on understanding, analysing, and utilizing the genetic basis of quantitative traits for animal breeding and genetics, with a focus on application in the genomic selection era. Entering the second century of maize quantitative genetics. Click links below to see location mapped external to yahoo maps site office.
Read more read more guillaume ramstein and sarah jensen present techniques and their application for prioritizing causal loci and developing improved varieties in breeding 4. In modifying amd developing postgraduate course in genetics and plant breeding, emphasis has been given to keep a balance among major components like basic genetics, cytogenetics, plant breeding, quantitative genetics, molecular biology and biotechnology. Quantitative genetics emphasizes the role of selection in controlled populations of known ancestry. Quantitative genetics, genomics and plant breeding. This book provides the biographies, and a related summary, of geneticists and breeders of maize who have contributed to the major discoveries in the 20th century. The heterosis is a quantitative measure of hybrid superiority over its parental components and it has been widely used in maize breeding programs hallauer et al. Quantitative genetics has allowed the integration of prebreeding with cultivar development by characterizing populations genetically. B download it once and read it on your kindle device, pc, phones or tablets. Human societies depend upon maize for food, health, scientific knowledge, economic growth, culture and spirituality. Testers and combiners are discussed along with the role of inbreeding and heterosis. Many genes contribute quantitatively to how a plant looks and behaves. Thus, studying the chemical composition and uncovering the genetic contribution to the natural variation of metabolite abundance will enhance efforts in breeding highly nutritious maize. Quantitative genetics in maize breeding by arnel r. J b miranda filho maize is used in an endless list of products that are directly or indirectly related to human nutrition and food security.
In the plant breeding context, smith 1936 had derived a discriminant. The study of maize quantitative traits stretches back nearly as long. This program is currently one the of the few public u. Maize genetics and breeding in the 20th century by peter a. In this course we will first cover these topics with traditional phenotypic quantitative genetics, both the basic theory of genetic models and application for estimating the effects within these genetic models, calculating heritability, and combining ability.
History, contribution, and future of quantitative genetics. Increased demands for corn grain are likely as a result of population growth, loss of farmland from urbanization, and development of new uses of corn. Quantitative genetics in animal breeding norges miljo og. There are no interior doors to the office so if you do not see a sign for quantitative genetics and maize breeding then it is not the right door.
Guillaume ramstein, peter bradbury, and cinta romay examine withinlocus complementation and enrichment of genetic effects by functional classes in maize. This project investigates genetics important for plant appearance and behavior and then uses this information for improving crops for a variety of traits and systems. Much of the increase can be attributed to improved genetics through innovative plant breeding, and pioneer researchers have played a key role in this. Book, statistical genetics of quantitative traits by rongling. Second edition breeding for quantitative traits in plants. We will then cover molecular quantitative genetics as it applies to scientific breeding. Quantitative genetics in maize breeding springerlink. The contribution of breeding to yield advances in maize.
Maize genetics and breeding in the 20th century world scientific publishing co. Quantitative genetics in maize breeding nhbs academic. Goals objectives the three major goals of this project are to 1 develop and apply methodologies to improve plant improvement. My goal was to write a book that would help a student of plant breeding achieve the following objectives. This model provides inferences on parameters such as genetic. Identify genetic relationships among grain maize lines and use. Their relationships to one another, as well as the general developments in maize genetics and breeding growth, are included. Since the first edition of this book was published in 2002, the field of quantitative genetics, genomics and breeding has changed markedly.
The developments in quantitative genetics and the accumulated experimental data from the extensive breeding programs in the developed world have helped in the development of approaches that effectively complement the conventional hybrid breeding technologies. Available information indicates that breeding of this type of plant has been. He teaches quantitative genetics and crop breeding techniques at ndsu. Cornelius and dudleys 1974, 1976 mating design i nbreeding depression in maize is a ubiquitous phe was inadequate to resolve all of the desired genetic effects cornelius, 1988. Table i summarizes yield gain data for several regions of the world during the period 19612002. The origin of maize races and conservation of genetic resources are dealt with in a chapter on germplasm. Quantitative genetics in maize breeding ebook by arnel r. New and old selection methods, for the genetic improvement of maize still are important in increasing food production. Assessment of genetic diversity provides germplasm and information on an array of trait characteristics for systematic integration and exploitation. You are invited to attend the 59th annual maize genetics conference. Our group focuses on using the tools of genetics, but realize that the global solution involves combining genetics with agronomy, markets, and many social challenges. The time frame of the history of quantitative genetics is similar to mendelian genetics. The course is aimed at students with an interest in quantitative genetics or animal breeding. Quantitative genetics in maize breeding handbook of plant breeding 9781441907653.
Two of the obtained plasmids had the expected wild type while four plasmids had different base substitutions. This is based on sound quantitative genetic principles, developed and expounded. The course will focus on understanding, analysing, and utilizing the genetic basis of quantitative traits for animal breeding and genetics, with a focus on application in the genomic selection era. Quantitative genetics and selection in plant breeding free. The primary purpose of this project is to contribute to yield increases by examining the development of breeding sources and the prevalence of differential rankings of varieties across environments genotype x environment interactions. Genetics, genomics and breeding of maize books pics. Quantitative genetics in maize breeding ebook por arnel r. This book highlights modern trends in development of hybrids, analysis of genetic diversity, molecular breeding, comparative and functional genomics, epigenomicsand proteomics in maize.
Carena has led maize breeding research for shortseason maturity at ndsu since 1999. The genomic maize sample belonged to a single maize grain. Maize breeding and genetics by, 1978, wiley edition, in english. Perspectives for the use of quantitative genetics in breeding of.
Important quantitative concepts introduction the following sections are the core of this chapter. In response, only four chapters have been updated for this new edition, and the remaining 16 chapters are entirely new. The focus of yus program is to address significant questions in plant breeding by combining cuttingedge genomic technologies and quantitative genetics theories. Hallauer, 1988, iowa state university press edition, in english 2nd ed. Prior knowledge on heterosis and quantitative genetic parameters on maize lethal necrosis mln can help the breeders to develop numerous resistant or tolerant hybrids with optimum resources. Photographs of events and related personnel, all part of the biographic presentation. Enhance the ability to find answers in a torrent of data. Quantitative genetics and selection in plant breeding. Different regions varied in the size of annual gain, as well as in average yields at the beginning and the end of the interval, but all showed positive and significant gains. Applications of population genetics to animal breeding, from wright. A robust genotypephenotype relationship allows predictive approaches for efficient and costeffective breeding, superior allele mining, and introgression on a genegenomic region basis. Combining quantitative genetics approaches with regulatory. Emerson and east, 19, but in most cases the insights were gleaned from specific experimental.
Quantitative genetics applied in animal breeding norges. Yus research integrates knowledge in plant breeding, quantitative genetics. Sep 28, 2010 quantitative genetics in maize breeding has improved the odds of developing outstanding maize cultivars from genetically broad based improved populations such as b73. Maize is grown in producer farms, farmers depend on genetically improved. Sequencing of the maize genome has opened up new opportunities in maize breeding, genetics and genomics research. Maize breeders have improved productivity through selection on phenotype. Quantitative genetic animal model example in r gregor gorjanc gregor. Sep 20, 2002 this book provides an overview of the rapidly developing integration and interdependence of quantitative genetics, genomics, bioinformatics and their application to plant breeding. In maize the nam rir lines were founded from crosses of 25 diverse inbred. The next two decades will see the potential to apply quantitative genetics and genomics to address climate change and carbon sequestration.
Future improvements in maize productivity will require more effective utilization of. Globally, maize yields doubled during this time, from 1. Introgress exotic maize alleles to increase the genetic diversity of us maize germplasm. History, contribution, and future of quantitative genetics in. The study of maize quantitative traits stretches back nearly as long for example, shull, 1908. A large proportion of this second edition is devoted to theoretical aspects of genetics in maize breeding, including statistical treatments and experimental estimates of hereditary variance. Breeding for quantitative traits in plants was written as a textbook for a graduate course in the application of quantitative genetics to plant breeding. Lest it be thought that, in the genomic era, quantitative genetic methods have been replaced. Introduction to quantitative genetics download ebook pdf. Maize breeding and genetics 1978 edition open library. Quantitative genetics in maize breeding ebook, 2010. Genetics, genomics and breeding of maize 1st edition.
Quantitative genetics in maize breeding request pdf. Maize genetics and breeding in the 20th century peter a. Quantitative genetics in maize breeding handbook of plant breeding 6 kindle edition by hallauer, arnel r. Genetics, genomics and breeding of maize crc press book. I hope it will also be useful as a reference for practicing plant breeders. Their relationships to one another, as well as the general developments in maize gen. Quantitative genetics in maize breeding has improved the odds of developing outstanding maize cultivars from genetically broad based improved populations such as b73. The use of quantitative genetics plays an important role in this respect, especially. Corn is the leading grain crop in the united states, with production more than 2. Genotypic values are assigned to genotypes in the population.
Quantitative genetics, on the other hand, is a branch of genetics in which individual genotypes are unidenti. For example the covariance of breeding values is the product of the. Use features like bookmarks, note taking and highlighting while reading quantitative genetics in maize breeding handbook of plant breeding 6. Quantitative genetics in maize breeding handbook of plant. Peter a peterson received his phd in biologychemistry, with an emphasis on genetics, from the university of illinois in 1953. Maize has a rich history of genetics studies, with insights and mechanisms stretching back through most of the past century. Chapters have been developed from a symposium held in baton rouge, louisiana, in march 2001, although additional contributions have also been commissioned especially. Quantitative genetics is a branch of population genetics that deals with phenotypes that vary continuously in characters such as height or massas opposed to discretely identifiable phenotypes and geneproducts such as eyecolour, or the presence of a particular biochemical both branches use the frequencies of different alleles of a gene in breeding populations. The principles of quantitative genetics behind the adaptation, improvement, and development of droughttolerant, highquality, and earlymaturing hybrids allows a maize crop for ethanol production in western north dakota with the integration of pre breeding and cultivar development. He then undertook a study on avocados and peppers at the university of california at riverside, where he described the diurnal flowering cycle of the former and discovered the first linkage group and a male sterility system in the latter. Hence, these tables and figures are useful for understanding quantitative genetics, but they cannot be used for any practical application of quantitative genetics to iq. The inbredhybrid concept in maize was a public sector invention 100 years ago and it is still considered one of the greatest achievements in plant breeding. Quantitative genetics of inbreeding in a synthetic maize.