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The activity of antioxidant enzymes in the plants of hulless oat under the use of a microbial preparation and plant growth regulato

Author(s) , , ,
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Category The Agronomy
year 2020 issue Випуск 96 Частина 1
pages 9-23 index UDK 632.95.204:631.86.87:664.78
DOI 10.31395/2415-8240-2020-96-1-9-23 (Link)
Abstract The results of laboratory studies of the vegetation experience on the study of the action of different norms of the microbial preparation Melanoriz (1,0, 1,25, 1,5 l/t) with different methods of application of the plant growth regulator Agrolight (seed treatment before sowing – 0,26 l/t , spraying of crops – 1,0 l/ha), on the activity of antioxidant enzymes – catalase, peroxidase and polyphenol oxidase. It has been established that when the different norms of the microbial preparation Melanoriz are used together with the plant growth regulator Agrolight, the activity of antioxidant enzymes in the plants of hulless oat increases, while the activity of catalase, peroxidase, and polyphenol oxidase depends on the norms and methods of introducing these biological preparations. The highest level of enzyme activity in oat plants is observed when combined for the treatment of seeds before sowing the microbial preparation Melanoriz at a rate of 1,5 l/t with a plant growth regulator Agrolight at a rate of 0,26 l/t followed by spraying of crops with Agrolight at a given background under normal conditions 1,0 l/ha, where the activity of catalase on the fifth and tenth days of studies increased to control by 7,8–7,9 μmol of decomposed Н2О2, peroxidase – 25,1–26,1 μmol of oxidized guaiacol, polyphenol oxidase – 7,6–9,7 μmol of oxidized ascorbic acid.
Key words hulled oat, plant growth regulator, microbial preparation, catalase, peroxidase, polyphenol oxidase
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