<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of this study was to evaluate the genetic and environmental variation of yield and food quality characteristics (protein, starch, β-glucan and husk content, test weight and thousand grain weight) of covered and hulless barley genotypes in organic management conditions. Two different field experiments were carried out. In the first experiment, hulless barley genotypes 'Kornelija', 'Irbe', '1165', '1185' and the covered varieties 'Ansis' and 'Maali' were studied in two locations in Latvia and in one location in Estonia during 2014. 'Ansis', ‘Kornelija', '1165' and '1185' were included in the second experiment carried out at Stende during three sequential years (2011-2013). The effect of genotype, environment (location and year) and co-effect of these factors contributed significantly to the variation in yield and grain quality traits of the barley genotypes. As a result of experimental treatments grain yield and quality traits varied by all tested factors. There were considerable differences in impact of studied sources of variation. Grain yield was influenced more by environmental factors than by genotype. Impact of genotype was highest for husk content and test weight. Integral evaluation method was carried out for comparison of barley genotypes to identify the best ones by the lowest deviation from the desired value. The covered barley variety 'Maali' showed good adaptation to different environmental conditions, having good yield, β-glucan content and high thousand grain weight. The line '1165' and variety 'Kornelija' showed best results among hulless barley varieties </p></abstract>

The aim of this study was to evaluate the genetic and environmental variation of yield and food quality characteristics (protein, starch, β-glucan and husk content, test weight and thousand grain weight) of covered and hulless barley genotypes in organic management conditions. Two different field experiments were carried out. In the first experiment, hulless barley genotypes 'Kornelija', 'Irbe', '1165', '1185' and the covered varieties 'Ansis' and 'Maali' were studied in two locations in Latvia and in one location in Estonia during 2014. 'Ansis', ‘Kornelija', '1165' and '1185' were included in the second experiment carried out at Stende during three sequential years (2011-2013). The effect of genotype, environment (location and year) and co-effect of these factors contributed significantly to the variation in yield and grain quality traits of the barley genotypes. As a result of experimental treatments grain yield and quality traits varied by all tested factors. There were considerable differences in impact of studied sources of variation. Grain yield was influenced more by environmental factors than by genotype. Impact of genotype was highest for husk content and test weight. Integral evaluation method was carried out for comparison of barley genotypes to identify the best ones by the lowest deviation from the desired value. The covered barley variety 'Maali' showed good adaptation to different environmental conditions, having good yield, β-glucan content and high thousand grain weight. The line '1165' and variety 'Kornelija' showed best results among hulless barley varieties

Genetic and Environmental Variation of Barley Characteristics and the Potential of Local Origin Genotypes for Food Production

Estonian Crop Research Institute, Aamisepa 1, Jõgeva, EE-48309, ESTONIA

State Stende Cereal Breeding Institute, “Dižzemes”, Dižstende, Lībagi Civil Parish, Talsi County, LV-3258, LATVIA

Faculty of Chemistry, University of Latvia, Kr. Valdemāra iela 48, Rīga, LV-1013, LATVIA

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.

The aim of this study was to evaluate the genetic and environmental variation of yield and food quality characteristics (protein, starch, β-glucan and husk...

Genetic and Environmental Variation of Barley Characteristics and the Potential of Local Origin Genotypes for Food Production

Published Online: Oct 06, 2015

Page range: 163 - 169

Received: May 03, 2015

DOI: https://doi.org/10.1515/prolas-2015-0024

Keywords
Hordeum vulgare, organic management, yield, food quality, variation

© by Ylle Tamm

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

Genetic and Environmental Variation of Barley Characteristics and the Potential of Local Origin Genotypes for Food Production

Published Online: Oct 06, 2015

Page range: 163 - 169

Received: May 03, 2015

DOI: https://doi.org/10.1515/prolas-2015-0024

KeywordsHordeum vulgare, organic management, yield, food quality, variation

© by Ylle Tamm

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

Keywords
Hordeum vulgare, organic management, yield, food quality, variation