Persistence of atrazine and trifluralin in a clay loam soil undergoing different temperature and moisture conditions

Chowdhury, Imtiaz Faruk; Rohan, Maheswaran; Stodart, Benjamin; Chen, Chengrong; Wu, Hanwen; Doran, Gregory

doi:10.1016/j.envpol.2021.116687

Cited by 48 publications

(14 citation statements)

References 61 publications

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“…Moreover, the agro-climatic conditions of Europe, USA and Latin America are not comparable with the Australian context. Herbicide persistence in soil is directly related to the dissipation behaviour of the speci c herbicidal compound where chemical, environmental and soil properties play an important role in determining their fate (Chowdhury et al, 2021). Therefore, understanding the fate of herbicides in the soil is a prerequisite for the accurate assessment of their behaviour and potential environmental risk (Gianelli et al, 2014).…”

Section: History and Signi Cance Of Herbicide Residues In Australian ...mentioning

confidence: 99%

“…Tri uralin is widely used in Australian farming systems to control grassy weeds. It is well known for long persistence in soil having half-life of (35 to 375 days) under eld conditions (Lewis et al, 2016); while 5.80 to 26.74 days under laboratory conditions (Chowdhury et al, 2021). Moreover, tri uralin has been reported to have a carryover potential of 9-24% from one season to next in Australian farming conditions (Jolley and Johnstone, 1994); with possibilities up to 90% carryover under prolonged drought conditions (Johnstone et al, 1998).…”

Section: History and Signi Cance Of Herbicide Residues In Australian ...mentioning

confidence: 99%

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Fate of herbicide residues in soil- Australian context: insights towards mechanism, aspects, and recent advancements

Chowdhury

Doran

Stodart

et al. 2023

Preprint

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Herbicides are chemical compounds that are toxic to weed plants. Modern agriculture relies heavily on herbicides for the control of weeds to maximize yield in crops. It is estimated that herbicide usage in the Australian grains industry increased by more than 30% from 2002 to 2018, approximately $1.80 billion. The increased popularity of herbicides in farming systems has not only raised concerns about their negative impacts on the environment, human health, and agricultural sustainability due to the rapid evolution of herbicide resistance, but also raised questions about their fate in soil. Due to excessive use of herbicides, there is great concern about contamination which can lead to soil and water pollution, reduced biodiversity, and depression in soil heterotrophic bacteria (including denitrifying bacteria) and fungi. Moreover, understanding the fate of herbicides in soil is a prerequisite for the precise assessment of its behaviour and potential environmental risk. This review illustrates a brief overview of the present status of herbicide residues in Australian farming systems with a detailed understanding of the transport and degradation processes of herbicides in soil. Furthermore, this review also encompasses microbial degradation, mechanisms, factors, and microorganisms associated with degradation and recent advancement in microbial degradation of herbicides.

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Section: History and Signi Cance Of Herbicide Residues In Australian ...mentioning

confidence: 99%

Section: History and Signi Cance Of Herbicide Residues In Australian ...mentioning

confidence: 99%

Fate of herbicide residues in soil- Australian context: insights towards mechanism, aspects, and recent advancements

Chowdhury

Doran

Stodart

et al. 2023

Preprint

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“…In laboratory tests, a half-life of 24–39 to 76–98 days has been found in agricultural relevant soils under aerobic conditions at 20 °C (Vighi et al 2017 ), and a residual dose (10–15%) remains in the soil for up to 300–400 days after physical, chemical or microbiological transformations (Strandberg and Scott-Fordsmand 2004 ). Trifluralin disappears from clay loam soil over a period of 105 days, rapidly in the initial phase of treatment and more slowly in the next phase, but it is completely degraded in 347 days at 30 °C and persists up to 951 days under low temperature conditions (10 °C) (Chowdhury et al 2021 ). Moreover, the variability of the dissipation time in the soil has been shown to depend on the duration and number of field applications per year, as well as on the amount (kg ha −1 of active ingredient or commercial formulation) (Grover et al 1997 ).…”

Section: Persistence and Bioaccumulationmentioning

confidence: 99%

Dinitroaniline herbicides: a comprehensive review of toxicity and side effects on animal non-target organisms

Giglio

Vommaro

2022

Environ Sci Pollut Res

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The widespread use of herbicides has increased concern about the hazards and risks to animals living in terrestrial and aquatic ecosystems. A comprehensive understanding of their effective action at different levels of biological organization is critical for establishing guidelines to protect ecosystems and human health. Dinitroanilines are broad-spectrum pre-emergence herbicides currently used for weed control in the conventional agriculture. They are considered extremely safe agrochemicals because they act specifically on tubulin proteins and inhibit shoot and root growth of plants. However, there is a lack of toxicity information regarding the potential risk of exposure to non-target organisms. The aim of the present review is to focus on side effects of the most commonly used active ingredients, e.g. pendimethalin, oryzalin, trifluralin and benfluralin, on animal non-target cells of invertebrates and vertebrates. Acute toxicity varies from slightly to high in terrestrial and aquatic species (i.e. nematodes, earthworms, snails, insects, crustaceans, fish and mammals) depending on the species-specific ability of tested organisms to adsorb and discharge toxicants. Cytotoxicity, genotoxicity and activation of oxidative stress pathways as well as alterations of physiological, metabolic, morphological, developmental and behavioural traits, reviewed here, indicate that exposure to sublethal concentrations of active ingredients poses a clear hazard to animals and humans. Further research is required to evaluate the molecular mechanisms of action of these herbicides in the animal cell and on biological functions at multiple levels, from organisms to communities, including the effects of commercial formulations.

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“…The length of time it takes for herbicides to be broken down in the soil is influenced by soil factors such as composition, chemistry, and microbial activity, as well as climatic factors such as moisture, temperature, and sunlight (Curran, 2016). For example, atrazine and trifluralin could persist for a few years in clay loam soils at temperatures lower than 20 °C (Chowdhury et al, 2021). Persistence of herbicides in the soil also has an effect on the microbial communities in the soil.…”

Section: Other Challengesmentioning

confidence: 99%

History and perspective of herbicide use in Australia and New Zealand

Thompson¹,

Chauhan²

2022

Advances in Weed Science

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Persistence of atrazine and trifluralin in a clay loam soil undergoing different temperature and moisture conditions

Cited by 48 publications

References 61 publications

Fate of herbicide residues in soil- Australian context: insights towards mechanism, aspects, and recent advancements

Fate of herbicide residues in soil- Australian context: insights towards mechanism, aspects, and recent advancements

Dinitroaniline herbicides: a comprehensive review of toxicity and side effects on animal non-target organisms

History and perspective of herbicide use in Australia and New Zealand

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