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Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Biochemija / Biochemistry (N004);Fizika / Physics (N002);Biologija / Biology (N010)
Author(s): Mildažienė, Vida;Ivankov, Anatolii;Žūkienė, Rasa;Naučienė, Zita;Malakauskiene, Asta;Filatova, Irina;Lyushkevich, Veronika;Koga, Kazunori;Shiratani, Masaharu
Title: Response of plants to seed processing with cold plasma, vacuum and electromagnetic field
Is part of: AgroEco 2020 : 3rd International scientific virtual conference : Agroecosystem sustainability : links between carbon sequestration in soils, food security and climate change, Vytautas Magnus University Agriculture Academy, Lithuania, 2–3 December, 2020 : programme and abstracts. [Akademija] : Vytautas Magnus University.Agriculture Academy, 2020
Extent: p. 35
Date: 2020
Keywords: Cold plasma;Biomass production;Electromagnetic field;Pre-sowing seed treatment;Secondary metabolism
ISBN: 9786094674662
Abstract: The effects of pre-sowing seed treatment with cold plasma (CP) and electromagnetic field (EMF) have been focused on the effects of treatments on seed decontamination, germination and early seedling growth while the research on long term effects was limited by few reports. The aim of our study was to compare the effects of seed treatment with CP, vacuum and EMF on seed germination and seedling growth under laboratory conditions and during long-term field observations in order to determine the sustainability of the observed effects. Seed germination (in vitro and in the field), plant growth, photosynthetic efficiency, production of biomass and secondary metabolites was estimated for Norway spruce; red clover; common buckwheat and industrial hemp. Secondary metabolites were determined by HPLC analysis. Long-term observations on Norway spruce revealed that the effects persist for at least 5 years. Seedlings grown from vacuum and CP treated seeds had up to 40% larger height, increased branching in comparison to the control seedlings. Biomass production for red clover increased up to 49% and nodulation was stimulated; for buckwheat biomass production increased up to 97%, seed yield – up to 85%. In female plants of industrial hemp EMF treatment induced positive changes in weight of the above ground part (66%) and number of inflorescences (70%). Substantial changes in the production of secondary metabolites was determined in Norway spruce, red clover and industrial hemp. Specifically, changes in isoflavone amounts in root exudates of red clover resulted in stimulated root nodulation. Thus, long-term observations revealed that effects of seed treatment with CP and EMF on plant growth, production of biomass, seeds and secondary metabolites are more relevant for sustainable agriculture compared to the effects on germination
Affiliation(s): Biochemijos katedra
Dendrologijos ir fitopatologijos m. sek.
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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