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полный	информационный	краткий

Поисковый запрос: (<.>S=2,4-DICHLOROPHENOXYACETIC ACID<.>)

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The effect of the pesticide delivery method on the microbial community of field soil / S. Prudnikova, N. Streltsova, T. Volova // Environ. Sci. Pollut. Res. - 2020, DOI 10.1007/s11356-020-11228-7. - Cited References:119. - This study was financially supported by the Ministry of Science and Higher Education of the Russian Federation, project "Agropreparations of the new generation: a strategy of construction and realization" (Agreement No 074-02-2018-328). . - Article in press. - ISSN 0944-1344. - ISSN 1614-7499

РУБ Environmental Sciences
Рубрики:
CONTROLLED-RELEASE
2,4-DICHLOROPHENOXYACETIC ACID
DEGRADATION
Кл.слова (ненормированные):
Soil microorganisms -- Pesticides -- Slow release formulations -- Biodegradable polymer -- Poly-3-hydroxybutyrate -- P(3HB)-degrading -- microorganisms
Аннотация: The study deals with the effects of herbicides (metribuzin, tribenuron-methyl, fenoxaprop-P-ethyl) and fungicides (tebuconazole, epoxiconazole, azoxystrobin) applied to soil as free pesticides or as slow release formulations embedded in a biodegradable composite matrix on the structure of the soil microbial community. The matrix consisted of a natural biopolymer poly-3-hydroxybutyrate [P(3HB)] and a filler-one of the natural materials (peat, clay, and wood flour). The soil microbial community was characterized, including the major eco-trophic groups of bacteria, dominant taxa of bacteria and fungi, and primary P(3HB)-degrading microorganisms, such asPseudomonas,Bacillus,Pseudarthrobacter,Streptomyces,Penicillium, andTalaromyces. The addition of free pesticides adversely affected the abundance of soil microorganisms; the decrease varied from 1.4 to 56.0 times for different types of pesticides. The slow release pesticide formulations, in contrast to the free pesticides, exerted a much weaker effect on soil microorganisms, no significant inhibition in the abundance of saprotrophic bacteria was observed, partly due to the positive effects of the composite matrix (polymer/natural material), which was a supplementary substrate for microorganisms. The slow release fungicide formulations, like the free fungicides, reduced the total abundance of fungi and inhibited the development of the phytopathogensFusariumandAlternaria. Thus, slow release formulations of pesticides preserve the bioremediation potential of soil microorganisms, which are the main factor of removing xenobiotics from the biosphere.

WOS
Держатели документа:
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Krasnoyarsk Sci Ctr SB RAS, Inst Biophys SB RAS, Fed Res Ctr, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Prudnikova, Svetlana; Streltsova, Nadezhda; Volova, Tatiana; Ministry of Science and Higher Education of the Russian Federation, project "Agropreparations of the new generation: a strategy of construction and realization" [074-02-2018-328]

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