Zhang, X. and PfeiVer, W. H. and Palacios-Rojas, N. and et al, . (2012) Probability of success of breeding strategies for improving pro-vitamin A content in maize. Theoretical Applied Genetics, 125. pp. 235-246.
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Abstract
BiofortiWcation for pro-vitamin A content (pVAC) of modern maize inbreds and hybrids is a feasible way to deal with vitamin A deWciency in rural areas in developing countries. The objective of this study was to evaluate the probability of success of breeding strategies when transferring the high pVAC present in donors to elite modern-adapted lines. For this purpose, a genetic model was built based on previous genetic studies, and diVerent selection schemes including phenotypic selection (PS) and marker-assisted selection (MAS) were simulated and compared. MAS for simultaneously selecting all pVAC genes and a combined scheme for selecting two major pVAC genes by MAS followed by ultra performance liquid chromatography screening for the remaining genetic variation on pVAC were identiWed as being most eVective and costeYcient.
| Item Type: | Article |
|---|---|
| Additional Information: | The authors wish to thank Dr. Kevin Pixley for his constructive comments and suggestions to a draft of the manuscript. This research was supported by the HarvestPlus Challenge Program of CGIAR. Development of the simulation tool QuHybrid was funded by the Generation Challenge Program (GCP) of CGIAR. |
| Author Affiliation: | Institute of Crop Science, The National Key Facility for Crop Gene Resources and Genetic Improvement, and CIMMYT China OYce, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South Street, Beijing 100081, China |
| Subjects: | Crop Improvement |
| Divisions: | Maize |
| Depositing User: | Mr Siva Shankar |
| Date Deposited: | 02 Jul 2012 06:38 |
| Last Modified: | 02 Jul 2012 06:39 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6424 |
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