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Soil enzyme activities after application of fungicide QuadrisR at increasing concentration rates

Author

Listed:
  • Silvena Boteva Boteva

    (Deparment of Ecology and Environmental Protection, Faculty of Biology, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria)

  • Anelia Evgenieva Kenarova

    (Deparment of Ecology and Environmental Protection, Faculty of Biology, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria)

  • Michaella Roumenova Petkova

    (Roumen Tsanev Institute of Molecular Biology, Bulgarian Academy of Sciences, Sofia, Bulgaria)

  • Stela Stoyanova Georgieva

    (Department of Organic Chemistry and Pharmacognosy, Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria)

  • Christo Dimitrov Chanev

    (Department of Organic Chemistry and Pharmacognosy, Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria)

  • Galina Simeonova Radeva

    (Roumen Tsanev Institute of Molecular Biology, Bulgarian Academy of Sciences, Sofia, Bulgaria)

Abstract

The study aimed to assess the effects of fungicide QuadrisR on activities of soil enzymes contributed to soil nutrient turnover. A batch laboratory experiment with QuadrisR-amended (0 mg/kg ds (dry soil) - 35.00 mg/kg ds) loamy sand soil was conducted, and shifts in soil physical environments and enzyme activities (beta-glucosidase, urease, acid and alkaline phosphatases, arylsulfatase and dehydrogenase) were evaluated on experimental days 1, 30, 60, 90 and 120. The results indicated that QuadrisR changed both soil properties and enzyme activities. The most sensitive environmental parameter to fungicide input was soil pH. The most suscaptable to QuadrisR enzymes were dehydrogenase and arylsulfatase, and the most resistant - urease. The mean overall dehydrogenase activity decreased by 33%, whereas the profile of arylsulfatase activity tended to permanent decrease over time. The general pattern of enzyme responses to QuadrisR was an immediate-early (days 1 - 30) decline of enzyme activities after fungicide application, except that of arylsulfatase. Beta-glucosidase manifested a temporal profile of steady-state stimulation under the lowest (2.90 mg/kg ds) and low sensitivity to the higher (14.65 mg/kg ds and 35.00 mg/kg ds) fungicide concentrations.

Suggested Citation

  • Silvena Boteva Boteva & Anelia Evgenieva Kenarova & Michaella Roumenova Petkova & Stela Stoyanova Georgieva & Christo Dimitrov Chanev & Galina Simeonova Radeva, 2022. "Soil enzyme activities after application of fungicide QuadrisR at increasing concentration rates," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 68(8), pages 382-392.
    • Handle: RePEc:caa:jnlpse:v:68:y:2022:i:8:id:127-2022-pse
    DOI: 10.17221/127/2022-PSE
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    Cited by:

    1. Weronika Kursa & Agnieszka Jamiołkowska & Barbara Skwaryło-Bednarz & Grażyna Kowalska & Anna Gałązka, 2024. "Impact of Selected Plant Extracts on Winter Wheat ( Triticum aestivum L.) Seedlings: Growth, Plant Health Status and Soil Activity," Agriculture, MDPI, vol. 14(6), pages 1-17, June.

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