Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/101993
Type of publication: conference paper
Type of publication (PDB): Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Biochemija / Biochemistry (N004)
Author(s): Žūkienė, Rasa;Ivankov, Anatolii;Naučienė, Zita;Degutytė-Fomins, Laima;Mildažienė, Vida
Title: Stimulation of secondary metabolites biosynthesis in plants by cold plasma and electromagnetic field
Is part of: Agrosym 2019 [elektroninis išteklius] : X international scientific agriculture symposium, Jahorina, October 03-06, Bosnia and Herzegovina: book of abstracts / editor in chief D. Kovacevic ; University of East Sarajevo [et al.]. East Sarajevo : Faculty of Agriculture, 2019
Extent: p. 172-172
Date: 2019
Keywords: Pre-sowing seed treatment;Cold plasma;Electromagnetic field;Plant improvement
ISBN: 9789997678713
Abstract: Seed treatment with non-thermal or cold plasma (CP) or electromagnetic field (EMF) improves agricultural performance of crops, leads to stimulation of germination, biomass production, and disease resistance. However, a detailed molecular mechanism of mentioned effects is still missing, preventing the possibility of controlled modulation of plant. Besides of improved adaptivity and higher yield of treated plants, the quality of plant production and the concentrations of valuable secondary metabolites can be increased by CP and EMF. We reported, for the first time, that seed treatment with physical stressors led to substantial increase in amounts of chemical constituents and antioxidant activity in leaves of medicinal plant Echinacea purpurea: the amount of cichoric acid increased up to 3.8-fold, amount of vitamin C – up to 1.9 fold, and radical scavenging activity - up to 2-fold. CP and EMF had strong stimulating effect on steviol glycosides (SGs), used as natural sweeteners, accumulation in Stevia rebaudiana. The concentration of rebaudioside A, the most preferable of SGs as sweetener without bitter aftertaste, was increased 1.5-fold and the concentration of stevioside, the second most abundant SG, was increased 7-11-fold depending on treatment duration. Seed treatment with CP induced substantial changes of the amount and ration of izoflavones formononetin and biochanin A (BA) in leaves of Trifolium pratens. Therefore, it can be concluded that short time pre-sowing treatment of seeds with CP and EMF can be a powerful tool for the enhancement of biosynthesis/accumulation of secondary metabolites in plants and can have an economic benefit
Internet: https://lemos.pro.br/wp-content/uploads/2019/11/AGROSYM-2019-BOSNIA-BOOK-OF-ABSTRACTS-2019.pdf
Affiliation(s): Biochemijos katedra
Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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