Factor analysis to investigate genotype and genotype × environment interaction effects on pro-vitamin A content and yield in maize synthetics

dc.creatorMengesha, W.
dc.creatorMenkir, A.
dc.creatorMeseka, S.
dc.creatorBossey, B.
dc.creatorAfolabi, A.
dc.creatorBurgueño, J.
dc.creatorCrossa, J.
dc.date2020-01-29T21:24:35Z
dc.date2020-01-29T21:24:35Z
dc.date2019
dc.date.accessioned2023-07-17T20:05:22Z
dc.date.available2023-07-17T20:05:22Z
dc.identifier0014-2336
dc.identifier1573-5060 (Online)
dc.identifierhttps://hdl.handle.net/10883/20635
dc.identifier10.1007/s10681-019-2505-3
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7512437
dc.descriptionVitamin A Deficiency (VAD) is a major public health problem in Sub-Saharan Africa affecting 33 million preschool-age children. Enrichment of maize varieties with provitamin A could provide sustainable and affordable solution to VAD. This study was conducted to understand the extent of GEI effects on both grain yield and provitamin A content in 21 maize synthetics and identify synthetics combining stable performance with high level provitamin A content across diverse environments in West Africa. Combined analysis of variance found significant (p < 0.01) GEI effects that prompted further investigation of the GEI magnitude using mixed model with factor analysis. Factors 1 and 2 explained 71% of the total variability. G5, G4, G12, G18, G2 and G14 were broadly adapted to a range of environments and considered the most stable and high yielding. G8, G1, and G10 were specifically adapted to a group of environments. Whereas, G21, G19 and G17 were found to be the worst and unstable genotypes. G4 combined stable performance with high provitamin A content, whereas G20 and G18 were stable but had low provitamin A contents. Three genotypes, G4, G12 and G14 were found to combine stability with high provitamin A contents. These genotypes can be recommended for production in the low-land tropics of West and Central Africa with similar environments.
dc.descriptionart. 180
dc.formatPDF
dc.languageEnglish
dc.publisherSpringer
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dc.rightsOpen Access
dc.source11
dc.source215
dc.sourceEuphytica
dc.subjectAGRICULTURAL SCIENCES AND BIOTECHNOLOGY
dc.subjectPROVITAMINS
dc.subjectGENOTYPE ENVIRONMENT INTERACTION
dc.subjectZEA MAYS
dc.subjectSTABILITY
dc.subjectVITAMIN A DEFICIENCY
dc.subjectYIELDS
dc.subjectFACTOR ANALYSIS
dc.titleFactor analysis to investigate genotype and genotype × environment interaction effects on pro-vitamin A content and yield in maize synthetics
dc.typeArticle
dc.typePublished Version
dc.coverageDordrecht (Netherlands)


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