Alena Sumina, Vadim Polonky

The mineral composition of barley grain grown in contrasting climatic conditions of Siberia

DOI: 10.33284/2658-3135-103-1-190

UDC 633.16(571.513)

The mineral composition of barley grain grown in contrasting climatic conditions of Siberia

Alena V Sumina1, Vadim I Polonky2,3

1Khakassian State University named after Katanov NF. (Abakan, Russia)

2Krasnoyarsk State Agrarian University (Krasnoyarsk, Russia)

3Siberian Federal University (Krasnoyarsk, Russia)

Summary. Agriculture is focused on livestock in the Republics of Khakassia and Tuva. Cereals, including barley, are cultivated mainly for fodder purposes in these areas; therefore, the content of biologically valuable substances in the final crop is important. The content of mineral elements in grain depends on a number of environmental factors, which makes it quite difficult to grow barley with specified quality indicators and necessitates research to determine their content. This problem is especially relevant for territories with unfavorable weather phenomena that are often encountered during the growing season: insufficient precipitation or frost, periodically registered in the territories of Tuva and Khakassia. The purpose of work was to assess the mineral composition of barley grain in a comparative aspect according to varieties and two contrasting climatic conditions of cultivation (Piy-Khem GSU of the Republic of Tyva and Beisk GSU of the Republic of Khakassia). The object of the study was 10 varieties of glumiferous spring barley of Siberian selection. It was established that the content of crude ash in the grain collected in the territory of Piy-Khem site was within the range from 22.6 to 25.8 g/kg, for Beisky – 24.8-37.5 g/kg. According to the content of calcium and phosphorus, the grain grown on the Bay of GSU, also characterized by higher values. It was found that barley grown on the territory of the Piy-Khem GSU in comparison with the Beisk GSU was characterized by a lower inter-varietal variability of all the studied grain quality indicators. Using two-way analysis of variance it was found that the factor “growing site” is the largest contributor to the formation of these qualitative characteristics. When it is used for feed purposes, barley grain grown both in the conditions of Tuva and Khakassia will have a composition close to optimal in phosphorus content and deficient in calcium content.

Key words: grain, barley, variety, mineral composition of barley, phosphorus, calcium, crude ash, Republic of Tyva, Republic of Khakassia.

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Sumina Alena Vladimirovna, Cand. Sci. (Agr.), Associate Professor, Associate Professor, Department of Chemistry and Geoecology, Khakassian State University named after N.F. Katanov, 90. Lenin St., Abakan, Russia, 655017, tel. 89135118585, e-mail: alenasumina@list.ru

Polonsky Vadim Igorevich, Dr Sci. (Biol.), Professor, Professor of the Department of Landscape Architecture and Botany of the Krasnoyarsk State Agrarian University. 90 Mira Ave., Krasnoyarsk, Russia, 660049, tel. 8913528170, e-mail: vadim.polonskiy@mail.ru; Professor, Department of Biophysics, Siberian Federal University. 79  Svobodny Ave, Krasnoyarsk, Russia, 660028

Received: 13 March 2020; Accepted: 16 March 2020; Published: 31 March 2020

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