Can soil type interfere in sorption-desorption, mobility, leaching, degradation, and microbial activity of the 14C-tebuthiuron herbicide?

Guimarães, Ana Carolina Dias; Paula, Dilma Francisca de; Mendes, Kássio Ferreira; Sousa, Rodrigo Nogueira de; Araújo, Grazielle Rodrigues; Inoue, Miriam Hiroko; Tornisielo, Valdemar Luiz

doi:10.1016/j.hazadv.2022.100074

Cited by 3 publications

(2 citation statements)

References 32 publications

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“…Tebuthiuron (1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea) is a systemic herbicide, absorbed by roots and translocated in weeds, widely used in sugarcane, with a photosystem II (PSII) inhibitors mode of action of the urea chemical group (Mendes et al, 2022). This herbicide has a high leaching potential due to its high water solubility (S w = 2,500 mg L -1 ) and low sorption (sorption coefficient, K d = 1.32 and 0.85 L Kg −1 in clay and loamy sand soil, respectively) (Guimarães et al, 2022). A positive correlation among clay content, soil organic matter (SOM), and tebuthiuron sorption was found by .…”

Section: Introductionmentioning

confidence: 99%

“…A positive correlation among clay content, soil organic matter (SOM), and tebuthiuron sorption was found by . Also, this herbicide has a high persistence in the soil (90% degradation time, DT90 = ~385 and 334 d) (Guimarães et al, 2022). However, bacteria can effectively degrade tebuthiuron in soil (Lima et al, 2022) and seawater (Mercurio et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Peanut and sorghum are excellent phytoremediators of 14C-tebuthiuron in herbicide-contaminated soil

Conciani¹,

Mendes²,

Sousa³

et al. 2023

Advances in Weed Science

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Background: Phytoremediation is a technique used in soils contaminated with residual herbicides, such as tebuthiuron. However, the herbicide presence in the soil and plant matrices are not generally quantified.Objective: This study aimed to select plant species to evaluate the phytoremediation of 14 C-tebuthiuron by showy rattlepod (Crotalaria spectabilis), sorghum (Sorghum bicolor), radish (Raphanus sativus), peanut (Arachis hypogaea), and alfalfa (Medicago sativa) in herbicide-contaminated soil. Methods: The selection of the five herbicide phytoremediation plants was with the application of five rates of tebuthiuron (300, 600, 1,200, 2,400, and 4,800 g a.i. ha -1 ) and compared to a control. Peanuts and sorghum (herbicide-tolerant plants) were sown in soil contaminated with tebuthiuron (600 g a.i. ha -1 ) applied through a working solution containing 17.47 kBq of 14 C-tebuthiuron. The total of herbicide was analyzed in the soil and plant at three phenological stages. Results: Showy rattlepod, radish, and alfalfa were sensitive to the herbicide even at the lowest application rate. Sorghum was tolerant to the herbicide up to 600 g ha -1 with the application of 1,200 g ha -1 , there was 80% injury; peanut was tolerant even at the highest rate (4,800 g ha -1 ) with only 40% injury. Peanut and sorghum were able to phytoremediate the soil, although, peanut was more efficient in decreasing tebuthiuron contamination by 76%, while sorghum reduced at by 45% at 3 rd phenological stage. Conclusions: Thus, both plants can be recommended in succession/ rotation with crops that had tebuthiuron applied from pre-emergence weed control.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Peanut and sorghum are excellent phytoremediators of 14C-tebuthiuron in herbicide-contaminated soil

Conciani¹,

Mendes²,

Sousa³

et al. 2023

Advances in Weed Science

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Spatial variability mapping of indaziflam and metribuzin sorption–desorption for precision weed control

et al. 2023

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Neonicotinoid Effects on Soil Microorganisms: Responses and Mitigation Strategies

Briceño,

Diez,

Palma

et al. 2024

Sustainability

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Pesticides play a critical role in pest management and agricultural productivity; however, their misuse or overuse can lead to adverse effects on human health and the environment, including impacts on ecosystems and contamination. Currently, neonicotinoids (NNIs) are the most widely used systemic insecticides and are questioned worldwide for their possible impacts on pollinators. After NNI application, a substantial portion is not absorbed by the plant and may accumulate in the soil, affecting the soil microbial community. In this review, we explore the main studies carried out either in the laboratory or in the field about this matter. The studies report that the application of NNIs affects soil microbial activity and can act on microbial communities differently due to their unique chemical properties, degradation in soil, soil type, effects on soil properties, and methods of application. NNIs alter the diversity, structure, and abundance of soil microbes, in some cases increasing or decreasing their representativeness in soil. Bacterial phyla like Pseudomonadota, Bacillota, Actinomycetota, and Nitrospirota increase after NNI exposure, just like the families Nitrosomonadaceae, Nitrososphaeraceae, Nitrospiraceae, Sphingomonadaceae, Streptomycetaceae, and Catenulisporaceae. At the bacterial genus level, Nitrospira was associated with a decrease in nitrification processes in soil. The bacterial genera Sphingomonas, Streptomyces, Catenulispora, Brevundimonas, Pedobacter, and Hydrogenophaga are related to NNI degradation after application. Microorganisms could minimize the impacts of NNIs in agricultural soil. Therefore, the use of bioinoculation as a bioremediation tool is explored as an alternative to contribute to agricultural sustainability.

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Can soil type interfere in sorption-desorption, mobility, leaching, degradation, and microbial activity of the 14C-tebuthiuron herbicide?

Cited by 3 publications

References 32 publications

Peanut and sorghum are excellent phytoremediators of 14C-tebuthiuron in herbicide-contaminated soil

Peanut and sorghum are excellent phytoremediators of 14C-tebuthiuron in herbicide-contaminated soil

Spatial variability mapping of indaziflam and metribuzin sorption–desorption for precision weed control

Neonicotinoid Effects on Soil Microorganisms: Responses and Mitigation Strategies

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