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Open Access

ARTICLE

Effect of Selenium, Copper and Manganese Nanocomposites in Polysaccharide Matrices on the Content of Photosynthetic Pigments in Potato Leaf Tissues

Alla I. Perfileva1, Konstantin V. Krutovsky2,3,4,5,6,*
1 Laboratory of Plant-Microbe Interactions, Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
2 Department of Forest Genetics and Forest Tree Breeding, Georg-August University of Göttingen, Büsgenweg 2, Göttingen, Germany
3 Center for Integrated Breeding Research (CiBreed), Georg-August University of Göttingen, Albrecht-Thaer-Weg 3, Göttingen, Germany
4 Laboratory of Population Genetics, N.I. Vavilov Institute of General Genetics, Russian Academy of Sciences, Gubkin Str. 3, Moscow, Russia
5 Genome Research and Education Center, Laboratory of Forest Genomics, Department of Genomics and Bioinformatics, Institute of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, Russia
6 Scientific and Methodological Center, G.F. Morozov Voronezh State University of Forestry and Technologies, Timiryazeva Str. 8, Voronezh, Russia
* Corresponding Author: Konstantin V. Krutovsky. Email: email
(This article belongs to the Special Issue: Application of Nanomaterials in Plants)

Phyton-International Journal of Experimental Botany https://doi.org/10.32604/phyton.2026.078352

Received 29 December 2025; Accepted 07 April 2026; Published online 28 April 2026

Abstract

The article presents the study of the effect of nanocomposites (NCs) based on selenium (Se), copper (Cu), and manganese (Mn) nanoparticles (NPs) embedded in a matrix of natural polysaccharides—arabinogalactan (AG), carrageenan (CAR), and starch (ST)—on the content of chlorophylls (Chls) and carotenoids in potato tissues in vitro. Potatoes were grown for 28 days on Murashige-Skoog (MS) medium with the addition of a NC, then pigments were isolated from leaf tissues, and their content was determined spectrophotometrically. Both a stimulating effect and an inhibitory effect of different NCs on the pigment content were found. Se and Cu NCs in the AG matrices (Se/AG and Cu/AG NCs) increased the Chl content both in the leaf tissues of healthy potato plants and plants infected with the phytopathogenic bacterium Clavibacter sepedonicus (Cms). Mn NCs increased the content of carotenoids and Chls in potatoes infected with Cms. A decrease in the pigment content was detected when growing potatoes on a medium with the addition of Cu NC based on a ST matrix (Cu/ST NC), which is probably due to the high content of NPs in this NC (20%). It was concluded that NCs based on an AG matrix are capable of exerting a stimulating effect on the content of potato pigments, which can be used to increase the yield of this crop.

Keywords

Clavibacter sepedonicus; copper; manganese; nanocomposites; nanoparticles; potato; selenium

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