Genotypic and ecological variability of zinc content in the grain of spring bread wheat varieties in the international nursery KASIB

Генотипическая и экологическая изменчивость содержания цинка в зерне сортов яровой мягкой пшеницы международного питомника КАСИБ
Shamanin V.P. Flis P. Savin T.V. Shepelev S.S. Kuzmin O.G. Chursin A.S. Pototskaya I.V. Likhenko I.E. Kushnirenko I.Yu. Kazak A.A. Chudinov V.A. Shelaeva T.V. Morgounov A.I.
2021 Institute of Cytology and Genetics of Siberian Branch of the Russian Academy of Sciences

Vavilovskii Zhurnal Genetiki i Selektsii
2021 #25 Issue 5 543 - 551 pp.

Spring bread wheat is the staple crop in Western Siberia and Kazakhstan, a significant portion of which goes for export. Wheat breeding with a high level of zinc in wheat grain is the most cost-effective and environmentally friendly way to address zinc deficiency in the diet. The purpose of this work was to evaluate the contribution of the factors location and genotype in the variability of zinc content in wheat grain, and to identify the best varieties as sources of this trait for breeding. The research on screening zinc content in the wheat grain of 49 spring bread wheat varieties from the Kazakhstan-Siberia Spring Wheat Trial (KASIB) nursery was carried out at 4 sites in Russia (Chelyabinsk, Omsk, Tyumen, Novosibirsk) and 2 sites in Kazakhstan (Karabalyk and Shortandy) in 2017-2018. The content of zinc in wheat grain was evaluated at the Ionomic Facility of University of Nottingham in the framework of the EU project European Plant Phenotyping Network-2020. The analysis of variance showed that the main contribution into the general phenotypic variation of the studied trait, 38.7 %, was made by the factor location due to different contents of zinc and moisture in the soil of trial sites; the effect of the factor year was 13.5 %, and the effect of the factor genotype was 8.0 %. The most favorable environmental conditions for accumulation of zinc in wheat grain were observed in the Omsk region. In Omsk, the average zinc content in all studied varieties was 50.4 mg/kg, with 63.7 mg/kg in the best variety OmGAU 100. These values are higher than the target values of the international program Harvest Plus. Novosibirskaya 16 (49.4 mg/kg), Silach (48.4 mg/kg), Line 4-10-16 (47.2 mg/kg), Element 22 (46.3 mg/kg) and Lutescens 248/01 (46.0 mg/kg) were identified as being the best varieties. Significant possibilities for the production of wheat grain with high zinc content, which is in demand for the production of bread and pastry products with functional properties, were identified in the Western Siberian region.

Ecology , Grain of wheat , Protein , Variety , Zinc

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Omsk State Agrarian University named after P.A. Stolypin, Omsk, Russian Federation
University of Nottingham, Nottingham, United Kingdom
Kazakh Research Institute of Agriculture and Plant Growing, Almaty region, Almalybak, Kazakhstan
Siberian Research Institute of Plant Production and Breeding - Branch, The Institute of Cytology and Genetics, The Siberian Branch, The Russian Academy of Sciences, Novosibirsk, Russian Federation
Chelyabinsk Agricultural Research Institute, Chelyabinsk, Russian Federation
Northern Trans-Ural State Agricultural University, Tyumen, Russian Federation
Karabalyk Experimental Agricultural Research Station, Kostanai region, Karabalyk, Kazakhstan
Research and Production Center for Grain and Farming named after A.I. Baraev, Akmola region, Shortandy, Kazakhstan
Ministry of Environment, Water and Agriculture, Riyadh, Saudi Arabia

Omsk State Agrarian University named after P.A. Stolypin
University of Nottingham
Kazakh Research Institute of Agriculture and Plant Growing
Siberian Research Institute of Plant Production and Breeding - Branch
Chelyabinsk Agricultural Research Institute
Northern Trans-Ural State Agricultural University
Karabalyk Experimental Agricultural Research Station
Research and Production Center for Grain and Farming named after A.I. Baraev
Ministry of Environment

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