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Biofortification of taro (Colocasia esculenta) through breeding for increased contents in carotenoids and anthocyanins

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Champagne, Antoine [UCL] Legendre, L. Lebot, V.

Biofortification of taro (Colocasia esculenta) has never been studied. The aim of the present study is to compare the chemical compositions and individual constituent contents for major compounds (starch, sugars, cellulose, proteins, minerals), carotenoids and anthocyanins between parents and hybrids selected first for their agronomic performance and second for their corm characteristics (flesh color, quality and taste). For major compounds, 45 selected hybrids were compared to 66 cultivars and for carotenoids and anthocyanins, 34 selected hybrids were compared to 79 cultivars. Total sugars, cellulose and mineral contents presented moderate increases in hybrids. Carotenoids and anthocyanins contents were not correlated with corm flesh colors, most likely in relation with the wide range of the observed variability. Anthocyanin contents could not be increased in the selected hybrids, while total carotenoid contents were increased by more than fourfolds. The results of this study indicate that carotenoid contents can be rapidly improved by selecting plants of good agronomic performance and corm shape with increased density of yellow and orange colors. Potential applications to taro breeding programs are discussed. © 2013 Springer Science+Business Media Dordrecht.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès interdit
Publication date 2013
Language Anglais
Journal information "Euphytica : international journal on plant breeding" - Vol. 194, no.1, p. 125-136 (2013)
Peer reviewed yes
Publisher Springer Netherlands ((Netherlands) Dordrecht)
issn 0014-2336
e-issn 1573-5060
Publication status Publié
Affiliations UCL - SST/ISV - Institut des sciences de la vie
UCL - SST/LIBST - Louvain Institute of Biomolecular Science and Technology
Keywords Anthocyanins ; Biofortification ; Carotenoids ; Primary compounds ; Taro
Links
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Bibliographic reference Champagne, Antoine ; Legendre, L. ; Lebot, V.. Biofortification of taro (Colocasia esculenta) through breeding for increased contents in carotenoids and anthocyanins. In: Euphytica : international journal on plant breeding, Vol. 194, no.1, p. 125-136 (2013)
Permanent URL http://hdl.handle.net/2078.1/135583