D. I. Eremin, V. V. Sakharova, Yu. V. Savelyeva, P. S. Batatin
Scientific Research Institute of Agriculture of the Northern Trans-Urals – a branch of the Federal Research Center “Tyumen Scientific Center of the Siberian Branch of the Russian Academy of Sciences”, Moskovskiy settlement, Tyumen region, Russia
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Volume 25 No. 2
Date of paper submission: 17.09.2024, date of review: 07.11.2024, date of acceptance: 02.12.2024.
Published: 02/28/2025
Abstract. The purpose of the work is to determine the degree of resistance of oat genotypes of Tyumen breeding to chloride and sulfate salinization and to identify promising parental forms for the selection of salt-resistant varieties. Materials and methods. The reaction of Tyumen oat cultivars Megion, Talisman, Otrada, Foma, Tobolyak, Raduzhnyy and Sirius to different levels of salinity of Na2 SO4 and NaCl was studied. Resistance to salt stress was determined by a set of laboratory and calculated parameters. Results. It was found that chloride salinization leads to inhibition of growth processes, but does not have a strong toxic effect up to a salt concentration in a solution of 7 g/l. Laboratory germination significantly decreased at a concentration of 10 g/l by 10–25 % relative to the control. The negative effect of sodium sulfate is manifested at lower concentrations (from 3 g/l) on individual cultivars and is expressed in stable suppression of oats at the initial stages of ontogenesis. At a concentration of 7 g/l, the germination of cultivars decreased by 10‒36 % relative to the control. At 1 g/l of sodium sulfate, the root length index of Megion, Talisman and Otrada cultivars was 8–10 % higher than the control. Sodium chloride had a similar effect at concentrations of 1–3 g/l. According to the set of indicators, it was found that the most resistant to sulfate salinization are the cultivars: Sirius, Tobolyak and Otrada. Chloride is a Talisman and Otrada. The Raduzhnyy variety was sensitive to Na2 SO4 and NaCl, which reacted negatively to salts even at a minimum concentration (1 g/l). Scientific novelty. For the first time, the varietal reaction of Tyumen oats to sulfate and chloride salinization during germination was studied. Concentrations of sodium chloride and sulfate causing stress from salinization have been established. Recommendations. The cultivars Sirius, Tobolyak, Otrada and Talisman are recommended to be used as parent forms in the selection of salt-resistant varieties of oats.
Keywords: oats (Avena sativa L.), stress factor, inhibition of growth processes, salt resistance, sulfate and chloride salinization, breeding, phytoeffect, root length index
Acknowledgements. The study was carried out within the framework of the scientific project “Development of an accelerated system for the selection of valuable genotypes of grain crops (barley, oats) resistant to abiotic factors by biochemical labeling” (FWRZ-2024-0008).
For citation: Eremin D. I., Sakharova V. A., Savelyeva Yu. V., Batatin P. S. Laboratory screening of oat varieties of Tyumen breeding for resistance to salt stress. Agrarian Bulletin of the Urals. 2025; 25 (02): 230‒244. https://doi.org/10.32417/1997-4868-2025-25-02-230-244 (In Russ.)
Download the full text of the article
