List of issues > Series «Biology. Ecology». 2025. Vol 52
Environmental Monitoring of Pydiflumetofen Migration in
the Soil-Plants System
Author(s)
L. G. Bondareva, N. E. Fedorova
Federal Scientific Centre of Hygiene named after F. F. Erisman by Rospotrebnadzor, Mytishchi, Russian Federation
Abstract
Pydiflumetofen is primarily used to control fungal disease. The potential risks posed by
pydiflumetofen to the aquatic and terrestrial ecosystems are currently unclear. Metrological characteristics for determining pydiflumetofen in the studied environments were obtained, with the detection limit: for water 0.0005 mg/l, soil and grain – 0.01 mg/kg, straw – 0.02 mg/kg. We studied the
adsorption of pydiflumetofen in six different arable soils. The adsorption and properties of pydiflumetofen by soils corresponded to the pseudo-first-order model. It was found that the adsorption of
pydiflumetofen in soil is not just a one-time process, but is influenced by several factors, including
the physicochemical characteristics of the soil and the nature of the pesticide. When growing wheat
on soil samples treated with pydiflumetofen, the active substance was detected only in the root part
of plants (⁓ 5%). Probably, due to the fact that soil particles containing pydiflumetofen remained on
the roots. The addition of humic acid to soils greatly improved pydiflumetofen adsorption capacity of
the soil. Besides, there was no significant hysteresis in pydiflumetofen desorption in most soils. Due
to the fact that pydiflumetofen is poorly soluble in water and accumulates well in soil particles, the
threats of the active substance transfer to groundwater are unlikely. The addition of humic acid to
soils greatly improved pydiflumetofen adsorption capacity of the soil. Pydiflumetofen is weakly
mobile and does not contaminate groundwater. This study provides a new perspective for evaluating
the ecological and human health risks of chiral pesticides, like pydiflumetofen.
About the Authors
Bondareva Lidya Georgievna, Candidate of Sciences (Chemistry), Leading Research Scientist Federal Scientific Centre of Hygiene named after F. F. Erisman by Rospotrebnadzor 2, Semashko st., Mytishchi, 141014, Russian Federation e-mail: lydiabondareva@gmail.com
Fedorova Natalia Evgenyevna, Doctor of Sciences (Biology), Principal Research Scientist Federal Scientific Centre of Hygiene named after F. F. Erisman by Rospotrebnadzor 2, Semashko st., Mytishchi, 141014, Russian Federation e-mail: natali53fed@yandex.ru
For citation
Bondareva L.G., Fedorova N.E. Environmental Monitoring of Pydiflumetofen Migration in the Soil-Plants System.
The Bulletin of Irkutsk State University. Series Biology. Ecology, 2025, vol. 52, pp. 24-33. https://doi.org/10.26516/2073-3372.2025.52.24(in Russian)
Keywords
pydiflumetofen, adsorption by soil particles, migration, bioaccumulation.
UDC
632.95.003+613.632:613.62
DOI
https://doi.org/10.26516/2073-3372.2025.52.24
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