<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Anther/pollen culture technology is being efficiently used for accelerating rice breeding progress and improving grain quality characters. Using pollen culture technique, we obtained elite rice (<italic>Oryza sativa</italic> L.) line DHP6, which is well adapted to the highlands of Madagascar. Here we show that certain grain, nutritional, and culinary quality characteristics have been significantly improved in line DHP6. Morphometric and physico-chemical analysis demonstrated that physical (colour, transluscency, and chalkiness), chemical (amylose content, alkali spreading value, and gel consistency) and cooking (volume expansion, elongation ratio) features were greatly improved compared to the parental line. Culinary and nutritional quality analyses showed a significant increase in nutritional values and mineral richness. Some desired concentrations of minerals like Mg and Cu were much higher (e.g. three times richer in Cu) than those of its parental line (variety IR58614). Taken together, such ameliorated grain quality traits will promote its wide-scale planting by the farmers and should thus help to improve the nutritional quality of the population of Madagascar.</p></abstract>

Anther/pollen culture technology is being efficiently used for accelerating rice breeding progress and improving grain quality characters. Using pollen culture technique, we obtained elite rice (Oryza sativa L.) line DHP6, which is well adapted to the highlands of Madagascar. Here we show that certain grain, nutritional, and culinary quality characteristics have been significantly improved in line DHP6. Morphometric and physico-chemical analysis demonstrated that physical (colour, transluscency, and chalkiness), chemical (amylose content, alkali spreading value, and gel consistency) and cooking (volume expansion, elongation ratio) features were greatly improved compared to the parental line. Culinary and nutritional quality analyses showed a significant increase in nutritional values and mineral richness. Some desired concentrations of minerals like Mg and Cu were much higher (e.g. three times richer in Cu) than those of its parental line (variety IR58614). Taken together, such ameliorated grain quality traits will promote its wide-scale planting by the farmers and should thus help to improve the nutritional quality of the population of Madagascar.

Evaluation of Grain Quality and Nutritional Quality of Double Haploid DHP6, An Elite Rice Line in Madagascar

Département de Recherches Technologiques, FOFIFA, Centre National de Recherche Appliquée au Développement Rural, BP 1444 Antananarivo101,

Laboratoire de Physiologie Végétale, Unité de Biotechnologie et Amélioration des Plantes, Faculté des Sciences, BP 906, Antananarivo 101,

Département de Recherches Rizicoles, FOFIFA, Centre National de Recherche Appliquée au Développement Rural, BP 1690, Antananarivo 101,

Université de Picardie Jules Verne, Laboratoire AEB-EDYSAN, 33 Rue Saint Leu, 80039 Amiens,

Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Anther/pollen culture technology is being efficiently used for accelerating rice breeding progress and improving grain quality characters. Using pollen culture...

Evaluation of Grain Quality and Nutritional Quality of Double Haploid DHP6, An Elite Rice Line in Madagascar

Published Online: Mar 01, 2017

Page range: 378 - 383

Received: Jun 18, 2016

DOI: https://doi.org/10.1515/prolas-2016-0055

Keywords
L. double haploid line, pollen culture, grain quality, nutritional quality

© 2016 Voahanginirina Rasoazanakolona et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Evaluation of Grain Quality and Nutritional Quality of Double Haploid DHP6, An Elite Rice Line in Madagascar

Published Online: Mar 01, 2017

Page range: 378 - 383

Received: Jun 18, 2016

DOI: https://doi.org/10.1515/prolas-2016-0055

KeywordsL. double haploid line, pollen culture, grain quality, nutritional quality

© 2016 Voahanginirina Rasoazanakolona et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
L. double haploid line, pollen culture, grain quality, nutritional quality