MICROBIOLOGICAL ACTIVITY IN RHIZOSPHERE OF AMELCORN UNDER THE INFLUENCE OF PRIMA FORTE 195 HERBICIDE AND WUXAL BIO VITA PLANT GROWTH REGULATOR
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 6, Issue 6
Abstract
The article presents the findings of the research into the influence of different rates of herbicide Prima Forte 195 (Syngenta) and its mixtures with plant growth regulator Wuxal BIO Vita (Unifer) on the development of major groups of soil microbiota in the rhizosphere of a common amelcorn. Field experiments were repeated three times over the period from 2017 to 2018 under conditions of field crop rotation of the Department of Biology at Uman National University of Horticulture according to the scheme: without the application of preparations (control I); manual weeding during vegetation (control II); Prima Forte 195 at the rates of 0.5; 0.6 and 0.7 l ha-1 applied separately and in combination with Wuxal BIO Vita 1,0 l ha-1 at the background of pre-sowing treatment of seed with Wuxal BIO Vita 1.0 l t-1 and without background. As a result, the research found that the number of microorganisms, micromycetes and Azotobacter in the rhizosphere of a common amelcorn depended on the method of applying agents and their combination. The highest number of them was formed in versions with using of herbicide Prima Forte 195 0.5 and 0.6 l ha-1 in mixtures with plant growth regulator Wuxal BIO Vita 1,0 l ha-1, applied at the time of preplant seeds treatment by Wuxal BIO Vita 1,0 l t–1. The number of microorganisms, micromycetes and azotobacter grew on average by 33–38%, 33–39% and 2–5%, respectively. The number of soil microbiota is reduced with the increase of norms of Prima Forte 195 herbicide. The obtained experimental data leads to the conclusion that the number of soil microbiota in the rhizosphere of a common amelcorn depends on the effect of different norms of herbicide and combining of their use with plant growth regulator: the negative effect of xenobiotics on the rhizosphere microbiota of a common amelcorn is reduced with combined use of plant growth regulator (crop spraying seed treatment before sowing).
Authors and Affiliations
V. Karpenko, S. Pavlyshyn
Keywords
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- EP ID EP488839
- DOI 10.31548/dopovidi2018.06.012
- Views 78
- Downloads 0
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