Microbial and enzymatic activity of soil contaminated with azoxystrobin

Environmental Monitoring and Assessment
Małgorzata BaćmagaJadwiga Wyszkowska

Abstract

The use of fungicides in crop protection still effectively eliminates fungal pathogens of plants. However, fungicides may dissipate to various elements of the environment and cause irreversible changes. Considering this problem, the aim of the presented study was to evaluate changes in soil biological activity in response to contamination with azoxystrobin. The study was carried out in the laboratory on samples of sandy loam with a pH of 7.0 in 1 Mol KCl dm(-3). Soil samples were treated with azoxystrobin in one of four doses: 0.075 (dose recommended by the manufacturer), 2.250, 11.25 and 22.50 mg kg(-1) soil DM (dry matter of soil). The control soil sample did not contain fungicide. Bacteria were identified based on 16S rRNA gene sequencing, and fungi were identified by internal transcribed spacer (ITS) region sequencing. The study revealed that increased doses of azoxystrobin inhibited the growth of organotrophic bacteria, actinomycetes and fungi. The fungicide also caused changes in microbial biodiversity. The lowest values of the colony development (CD) index were recorded for fungi and the ecophysiological (EP) index for organotrophic bacteria. Azoxystrobin had an inhibitory effect on the activity of dehydrogenases, catala...Continue Reading

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Citations

Jul 16, 2016·Environmental Monitoring and Assessment·R Ahumada-RudolphJ Becerra
Dec 27, 2016·Water, Air, and Soil Pollution·Małgorzata BaćmagaJan Kucharski
Jan 11, 2019·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Małgorzata BaćmagaJan Kucharski
Jan 17, 2020·Plant Disease·Jay Ram LamichhaneJean-Noël Aubertot
Jul 10, 2019·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Monika TomkielJadwiga Wyszkowska
Jun 29, 2017·Environmental Monitoring and Assessment·Elżbieta WołejkoPaweł Malinowski
Apr 1, 2020·Frontiers in Microbiology·Yanmei FengShaohua Chen
Sep 3, 2018·Ecotoxicology·Małgorzata BaćmagaJan Kucharski
Jul 30, 2020·The Science of the Total Environment·Cheng ZhangLusheng Zhu
Jan 6, 2021·Environmental Research·Yaqi XuJun Wang
Mar 20, 2021·Microbial Pathogenesis·Zhendong HuangYunpeng Gai
Jul 4, 2021·Talanta·Elena N EsimbekovaValentina A Kratasyuk

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Datasets Mentioned

BETA
GU969132.1
AB861677.1

Methods Mentioned

BETA
PCA
PCR

Software Mentioned

Statistica
Statsoft
MEGA
Basic Local Alignment Search Tool ( BLAST )

Related Concepts

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