Adaptive potential of barley under toxic impact of cadmium in various conditions of assessment
https://doi.org/10.30901/2227-8834-2025-2-128-137
Abstract
Background. Determining the level of compatibility in barley (Hordeum vulgare L.) genotypes for cadmium toxicity in various test systems is important for increasing the objectivity of assessing their stress resistance. The purpose of this work was a comparative analysis of barley resistance to cadmium in laboratory and pot experiments.
Materials and methods. Nine barley cultivars of various ecogeographic origin served as the material for the study. Their cadmium resistance was assessed in roll culture. The data obtained were compared with the results of the pot experiment.
Results and conclusion. The toxic effect of 20 and 50 mg/dm3 Cd2+ was manifested in a decrease in the length of the roots and shoots of barley plantlets, and in the asynchrony of their growth. Barley cultivars with higher yields under cadmium stress conditions demonstrated high content of free phenolic compounds (PС) in roots and shoots, as well as the total content of PС in shoots. The relationships between the level of PС accumulation in roots and the root length index, and between PС accumulation in shoots and yield, indicated the potential value of PС in the selection of cadmium-resistant barley cultivars.
Supporting agencies: the research was carried out under the support of the Ministry of Science and Higher of the Russian Fe deration within the state task assigned to the Federal Agricultural Research Center of the North-East named N.V. Rudnitsky, Theme No. FNWE-2025-0008 “Development of new biotechnological methods for producing promising crop genotypes with stable productivity and tolerance to edaphic stressors, and obtaining new source material of regenerative origin for breeding adaptable plant cultivars”. The authors thank the reviewers for their contribution to the peer review of this work.
About the Authors
E. V. Tovstik
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky ; Vyatka State University
Russian Federation
Russian Federation
Evgeniya V. Tovstik, Cand. Sci. (Biology); Associate Professor
166a Lenina St., Kirov 610007
36 Moskovskaya St., Kirov 610000
O. N. Shupletsova
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky
Russian Federation
Russian Federation
Olga N. Shupletsova, Dr. Sci. (Biology), Associate Professor
166a Lenina St., Kirov 610007
L. V. Panikhina
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky
Russian Federation
Russian Federation
Lyubov V. Panikhina, Postgraduate Student, Associate Researcher
166a Lenina St., Kirov 610007
Yu. Al. Zlobina
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky
Russian Federation
Russian Federation
Yulia Al. Zlobina, Associate Researcher
166a Lenina St., Kirov 610007
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Review
For citations:
Tovstik E.V., Shupletsova O.N., Panikhina L.V., Zlobina Yu.A. Adaptive potential of barley under toxic impact of cadmium in various conditions of assessment. Proceedings on applied botany, genetics and breeding. 2025;186(2):128-137. (In Russ.) https://doi.org/10.30901/2227-8834-2025-2-128-137
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