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Influence of Spring Wheat Growing Conditions on Alpha-Amylase Activity in Grain

IOP conference series. Earth and environmental science, 2021-12, Vol.937 (2), p.22136 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;2021. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1755-1307 ;EISSN: 1755-1315 ;DOI: 10.1088/1755-1315/937/2/022136

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  • Title:
    Influence of Spring Wheat Growing Conditions on Alpha-Amylase Activity in Grain
  • Author: Mishchenko, L ; Terekhin, M ; Terekhin, N ; Muratov, A
  • Subjects: Amylases ; Correlation coefficient ; Correlation coefficients ; Enzymatic activity ; Enzyme activity ; Enzymes ; Ontogeny ; Organogenesis ; Precipitation ; Spring wheat ; Temperature dependence ; Vegetation ; Weather ; α-Amylase
  • Is Part Of: IOP conference series. Earth and environmental science, 2021-12, Vol.937 (2), p.22136
  • Description: Abstract The meteorological conditions in which organogenesis stages take place and hydrothermal regime can determine the phenotypic manifestation of quantitative signs, such as, for example, the activity of alpha-amylase. The purpose of our work was to determine what factors (temperature, precipitation, heterothermal coefficient) affect the enzyme activity, at what time of the vegetation, and in what way this influence is evident. The analysis of weather conditions and falling number (FN) for the period from 2011 to 2020 was carried out. Analysis of the FN value over 10 years showed that it can vary from 90 s to 429 s, and at that, the nature of its change is the same, regardless of whether we are considering one variety or the average value for a group of varieties. The correlation coefficient between the FN of a group of varieties and individual FN is 0.94-0.98. Generally, during the vegetation season, the alpha-amylase activity was influenced to a greater extent by the amount of precipitation than by temperature. This dependence is negative - an increase in precipitation leads to a decrease in the FN, and, consequently, to an increase in the enzyme activity. However, it was found that in different phases of ontogeny the influence of temperature and precipitation can be diametrically opposite.
  • Publisher: Bristol: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1755-1307
    EISSN: 1755-1315
    DOI: 10.1088/1755-1315/937/2/022136
  • Source: Open Access: IOP Publishing Free Content
    AUTh Library subscriptions: ProQuest Central
    IOPscience (Open Access)
    Alma/SFX Local Collection
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