The marriage between quantitative genetics and plant breeding, albeit nonexclusive, has reaped benefits for both during the last 100 years. A primary objective of quantitative genetic research is. An excellent educational tool that will save you time and effort, this dictionary brings together into a single source the meaning and origin of terms from the fields of classical genetics, molecular genetics, mutagenesis, population genetics, statistics, plant biotechnology, evolutionary genetics, plant breeding, and plant biotechnology. Quantitative genetics in maize breeding has improved the odds of developing outstanding maize cultivars from genetically broad based improved populations such as b73. Suppose an f1 population is segregating favourable alleles at 10 loci, and we first inbred to fixation and then select among lines. Quantitative genetics, inclusive fitness, and group selection article pdf available in the american naturalist 93 march 1992 with 433 reads how we measure reads. Amazoncom quantitative genetics in maize breeding handbook of plant breeding 9781441907653 hallauer arnel r carena marcelo j miranda filho jb. Selection changes gene frequencies and hence the genetic variance. Kempthorne 1957 plant breeding is applied quantitative genetics. Pdf statistical genetics and plant breeding download. Quantitative genetics in maize breeding handbook of plant breeding epub download free book jan 24, 2020. For example, a barley plant may have black or white hulls, two or six rows, rough or smooth awns, rust resistance or rust susceptibility. Breeding for rapid growth and high breast meat yield resulted. Characters controlled by few genes with major effects on the phenotype are said to be qualitative characters and their inheritance is referred to as qualitative inheritance.
The 1950s and 1960s have been described as the golden era for quantitative genetics in plant breeding gardner 1977, given the research during these two. Quantitative genetic principles in plant breeding springerlink. Quantitative inheritance in plant breeding springerlink. After that, other selection methods were proposed, aiming to reduce the. From 1990 to 2000 mark taught courses in genetics and plant breeding at the university of queensland and supervised graduate students pursuing msc and phd degrees in quantitative genetics, plant. Plant breeding in its simplest form consists of a generation of genetic variation through recombination and b selection to identify superior recombinants for.
Introduction to quantitative genetics download ebook pdf. Click download or read online button to get quantitative genetics and breeding methods book now. Breeding for quantitative traits in plants investigates the application of quantitative genetics to plant breeding. Quantitative genetics, molecular markers, and plant improvement. Inbred line plant breeding effective population size selection intensity selection unit. Contribution and perspectives of quantitative genetics to plant.
Pdf quantitative genetics in maize breeding handbook of. Quantitative genetic application in the selection process for livestock production. Pdf quantitative genetic application in the selection process for. Perspectives for the use of quantitative genetics in breeding of. Estimates of genetic variances and heritability in many. Quantitative genetics, inclusive fitness, and group selection. Quantitative genetics and selection in plant breeding. Introduction to quantitative genetics this course introduces the basic principles and concepts of quantitative genetics that are important for understanding genetic improvement in breeding populations and how to make more effective selection decisions. 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. Understanding and using quantitative genetic variation ncbi. This annual two week postgraduate level course, which we successfully ran for the first time in 2008, introduces participants to methods in quantitative genetics and statistics. In selective breeding of plants and animals, the expected response to selection.
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