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Permanent link (DOI): https://doi.org/10.7939/R33D9B

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Genetic study on Brassica rapa and Brassica napus for seed color and identification of molecular markers Open Access

Descriptions

Other title
Subject/Keyword
Brassica napus
Yellow seed
Molecular mapping
Brassica rapa
Transgressive segregation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Cheema, Kuljit Kaur
Supervisor and department
Rahman, Habibur (Agricultural, Food and Nutritional Science)
Examining committee member and department
Li, Changxi (Agricultural, Food and Nutritional Science)
Deyholos, Michael (Biological Sciences)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Plant Science
Date accepted
2012-05-11T09:47:38Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
Yellow seed in Brassica oilseed crops is favoured for its association with lower fibre and higher oil contents. Yellow-seeded Brassica napus lines have been developed through introgression of this trait from its allied species; however, the trait in B. napus is often influenced by environmental conditions. The yellow seed color of ‘yellow sarson’ (B. rapa) is stable under wide environments, and can be used in the breeding of yellow-seeded B. rapa and B. napus cultivars. In this study, the major seed color locus of B. rapa has been mapped, and several SSR markers linked to the yellow seed color allele of ‘yellow sarson’ were identified for use in marker assisted breeding. Additionally, genetic relationship between two yellow-seeded B. napus lines was investigated by use of doubled haploid and pedigree populations. Transgressive segregation for seed color in these populations suggests different genetic control of seed color in these two lines.
Language
English
DOI
doi:10.7939/R33D9B
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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