Genetic Studies on the Manipulation of Carotenoid and Tocopherol Content in Sweet Corn and Broccoli
Ibrahim, Khalid El-Sayed
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https://hdl.handle.net/2142/83119
Description
Title
Genetic Studies on the Manipulation of Carotenoid and Tocopherol Content in Sweet Corn and Broccoli
Author(s)
Ibrahim, Khalid El-Sayed
Issue Date
2007
Doctoral Committee Chair(s)
Juvik, John A.
Department of Study
Natural Resrouces and Environmental Sciences
Discipline
Natural Resrouces and Environmental Sciences
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Biology, Genetics
Language
eng
Abstract
The second part of the study identified several quantitative trait loci (QTL) associated with the carotenoid and tocopherol variability segregating in two F2:3 sweet corn populations. A number of the identified QTL mapped to chromosomal locations containing previously identified QTL or known genes in the carotenoid biosynthetic pathway in maize. The information generated from this study will be used to design methods to enhance the antioxidant carotenoid and tocopherol content in sweet corn and broccoli germplasm. In conclusion, this investigation suggests that sweet corn and broccoli germplasm with improved concentrations of carotenoids and tocopherols can be developed using conventional breeding protocols.
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