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Micronutrient Density and Stability in West African Pearl Millet– Potential for Biofortification

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Relation http://oar.icrisat.org/7573/
http://dx.doi.org/10.2135/cropsci2013.11.0744
10.2135/cropsci2013.11.0744
 
Title Micronutrient Density and Stability in West African Pearl Millet– Potential for Biofortification
 
Creator Pucher, A
Hogh-Jensen, H
Gondah, J
Hash, C T
Haussmann, B I G
 
Subject Pearl Millet
Food and Nutrition
 
Description Pearl millet (Cenchrus americanus (L.) Morrone) is one of the most important cereals in West and Central Africa (WCA). Human populations in WCA are strongly affected by micronutrient deficiencies. Biofortification, the development of pearl millet varieties with enhanced micronutrient levels is recognized as a suitable approach to reduce this widespread health problem. To assess the potential of biofortification of WCA pearl millet germplasm, we studied quantitative-genetic parameters of eight mineral densities in whole and decorticated grains, their stability over environments and the correlations among minerals and agro morphological traits. The study included 72 WCA pearl millet genotypes which were grown in three environments in Niger, contrasting in soil fertilization. Significant genotypic effects, moderate estimates of heritability, and genetic variation for mineral densities, especially for Fe and Zn, indicate a high potential for biofortification of WCA pearl millet. However, screening of additional landraces or introgression of favorable alleles from highly nutrient dense Indian germplasm could expedite achievement of higher densities. Genotype-by environment interaction effects were significant for Fe and Zn grain densities, showing the importance of multi-environmental evaluation to identify stable genotypes. Identified genotypes with relatively stable Fe and Zn grain densities appear suitable for use in future WCA pearl millet biofortification breeding programs.
 
Publisher Crop Science Society of America
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/7573/7/5628deb608ae04c2aeaebabf.pdf
Pucher, A and Hogh-Jensen, H and Gondah, J and Hash, C T and Haussmann, B I G (2014) Micronutrient Density and Stability in West African Pearl Millet– Potential for Biofortification. Crop Science, 54 (4). pp. 1709-1720. ISSN 1435-0653