Leguminous Plants and Microbial Inoculation: An Approach for Biocatalytic Phytoremediation of Tebuthiuron in Agricultural Soil

Herbicides are important for weed control but can severely impact ecosystems, causing soil and water contamination, biodiversity loss, and harm to non-target organisms. Tebuthiuron, widely used in sugarcane cultivation, is highly soluble and persistent, posing significant environmental risks. Microb...

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Veröffentlicht in:Agronomy (Basel) Jg. 14; H. 12; S. 2805
Hauptverfasser: Cruz, Victor Hugo, Moreira, Bruno Rafael de Almeida, Valério, Thalia Silva, Frias, Yanca Araujo, Silva, Vinícius Luiz da, Morais, Eduardo Beraldo de, Vasconcelos, Leonardo Gomes de, Tropaldi, Leandro, Prado, Evandro Pereira, Montagnolli, Renato Nallin, Lopes, Paulo Renato Matos
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Basel MDPI AG 01.12.2024
Schlagworte:
Agricultural ecosystems
Agricultural land
Agrochemicals
Bioassays
bioaugmentation
Biodiversity
Biodiversity loss
Bioindicators
Bioremediation
Brazil
Canavalia ensiformis
Crotalaria juncea
Cultivation
Detoxification
Ecosystems
ecotoxicity
Environmental impact
Environmental risk
Farm buildings
Flowers & plants
Fungi
Health risks
herbicide degradation
Herbicides
Indicator species
Inoculation
Jack beans
Leguminous plants
Microbial contamination
Microorganisms
Mucuna pruriens
Natural attenuation
Nitrogen
Nontarget organisms
Pesticides
Phytoremediation
Potassium
Seeds
Soil contamination
Soil fertility
Soil improvement
Soil investigations
Soil microbiology
Soil microorganisms
Soil pollution
Soil stresses
Soil water
Soils
Sugarcane
Toxicity
Water pollution
Weed control
Brazil
ISSN:2073-4395, 2073-4395
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Zusammenfassung:Herbicides are important for weed control but can severely impact ecosystems, causing soil and water contamination, biodiversity loss, and harm to non-target organisms. Tebuthiuron, widely used in sugarcane cultivation, is highly soluble and persistent, posing significant environmental risks. Microbial inoculation has emerged as a sustainable strategy to mitigate such damage. This study investigated the phytoremediation potential of Mucuna pruriens and Canavalia ensiformis in tebuthiuron-contaminated soils, enhanced by fungal and bacterial inoculants. Crotalaria juncea served as a bioindicator plant, and Lactuca sativa was used in ecotoxicological bioassays. During a 140-day greenhouse experiment from September 2021 to March 2022, M. pruriens showed faster growth than C. ensiformis in uncontaminated soils but was more affected by tebuthiuron. Bacterial inoculants improved M. pruriens growth under stress, while fungal inoculants mitigated tebuthiuron’s effects on C. ensiformis. C. juncea exhibited high sensitivity to tebuthiuron but grew beyond 100 cm with bacterial inoculants. Ecotoxicological assays showed that bacterial bioaugmentation significantly reduced soil toxicity. Natural attenuation further decreased tebuthiuron toxicity, and prior cultivation of M. pruriens enhanced soil detoxification. This integrated approach combining phytoremediation and bioaugmentation offers a sustainable method to degrade tebuthiuron, foster safer agriculture, and reduce environmental and health risks.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy14122805