Ishen N Besaliev, Alexander L Panfilov, Nelly S Reger

DOI: 10.33284/2658-3135-104-3-138

UDC 633.11:631.445.53

Acknowledgements:

Research was carried out according the plan of research scientific works on 2021-2023 yy. FSBSI FRC BST RAS (No 0761-2019-0004)

Peculiarities of formation of morphological characters and the activity of enzymes in spring wheat seedlings the background of induced salinity stress

 Ishen N Besaliev, Alexander L Panfilov, Nelly S Reger

Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia)

 Abstract. The increase in aridity as a result of climate changes increases the negative impact of soil salinization on the formation of crop productivity. Under these conditions, it is important to identify varietal resistance to the harmful effects of salt content, in particular, sodium chloride and ammonium sulfate. The article presents the results of studying the reaction of spring soft (Triticum aestivum L.) and hard (Triticum durum L.) wheat varieties in terms of germination and morphological characteristics of seedlings under laboratory conditions to the variants of chloride (NaCl – 150 mM) and sulfate (Na2SO4 – 80 mM) salinization. The data on the content of chlorophyll and the antioxidant enzyme catalase in the experiment on germination of seeds in the soil under the same salinization options are also given. In the process of sulphate type salinization, a negative effect on the content of chlorophyll, the enzyme catalase, the mass and length of the sprouts was registered. The germination and germination energy of the seeds of the studied varieties did not change significantly, with the exception of durum wheat variety Zolotaya in the variant of sulfate salinization. According to the research results, the activity of the catalase enzyme is higher in the seedlings of the studied varieties of soft wheat Uchitel and Orenburgskaya 30.

Keywords: cereals, cereal varieties, soil, chloride salinity, sulfate salinity, seed germination, chlorophyll, morphological characteristics.

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Besaliev Ishen Nasanovich, Dr. Sci. (Agr.), Head of the Department of Grain and Forage Crops Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia, 27/1 Gagarina Avenue, e-mail: orniish_tzk.@mail.ru

Panfilov Alexander Leonidovich, Cand. Sci (Agr.), Leading Researcher of the Department of Grain and Forage Crops Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia, 27/1 Gagarina Avenue, tel .: +7 (3532) 30-83-47, e-mail: panfilov-1@mail.ru

Reger Nelly Sergeevna, Research Specialist of the Department of Grain and Forage Crops Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia, 27/1 Gagarina Avenue, e-mail: 8ellen.13@mail.ru

Received: 25 August 2021; Accepted: 13 September 2021; Published: 30 September 2021

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