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Zhang Z, Feng Y, Wang W, Ru S, Zhao L, Ma Y, Song X, Liu L, Wang J. Pollution level and ecological risk assessment of triazine herbicides in Laizhou Bay and derivation of seawater quality criteria. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135270. [PMID: 39053056 DOI: 10.1016/j.jhazmat.2024.135270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
Triazine herbicides are widely used in agriculture and have become common pollutants in marine environments. However, the spatiotemporal distribution characteristics and water quality criteria (WQC) of triazine herbicides are still unclear. This study found that triazine herbicides had a high detection rate of 100 % in surface seawater of Laizhou Bay, China, with average concentrations of 217.61, 225.13, 21.97, and 1296.72 ng/L in March, May, August, and October, respectively. Moreover, estuaries were important sources, and especially the Yellow River estuary exhibited the highest concentrations of 16,115.86 ng/L in October. The 10 triazine herbicides were detected in the sediments of Laizhou Bay, with a concentration ranging from 0.14-1.68 μg/kg. Atrazine and prometryn accounted for 33.41 %-59.10 % and 28.93 %-50.06 % of the total triazine herbicides in the seawater, and prometryn had the highest proportion (63.50 %) in the sediments. Correlation analysis revealed that triazine herbicides led to the loss of plankton biodiversity, which further decreased the dissolved oxygen. In addition, this study collected 45 acute toxicity data and 22 chronic toxicity data of atrazine, 16 acute toxicity data of prometryn, and supplemented with toxicity experiments of prometryn on marine organisms. Based on the toxicity database, the WQCs of atrazine and prometryn were derived using species sensitivity distribution. The overall risk probability of atrazine and prometryn were both less than 1.75 % in the Laizhou Bay, indicating an acceptable risk. This study not only clarified the pollution status and ecological risk of triazine herbicides, but also provided scientific basis for their environmental management standards.
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Affiliation(s)
- Zhenzhong Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Yongliang Feng
- Department of Basic Courses, Tangshan University, Tangshan 063000, China
| | - Weizhong Wang
- Shandong Blue Ocean Technology Co., Ltd, Yantai 264006, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Lingchao Zhao
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Yuanqing Ma
- Shandong Marine Resource and Environment Research Institute, Shandong Key Laboratory of Marine Ecological Restoration, Yantai 264006, China
| | - Xiukai Song
- Shandong Marine Resource and Environment Research Institute, Shandong Key Laboratory of Marine Ecological Restoration, Yantai 264006, China
| | - Lijuan Liu
- Shandong Marine Resource and Environment Research Institute, Shandong Key Laboratory of Marine Ecological Restoration, Yantai 264006, China
| | - Jun Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
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Zhang M, Li H, Guo M, Zhao F, Xie Y, Zhang Z, Lv J, Qiu L. Vitamin E alleviates pyraclostrobin-induced toxicity in zebrafish (Danio rerio) and its potential mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171219. [PMID: 38408665 DOI: 10.1016/j.scitotenv.2024.171219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/17/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
Strobilurin fungicides (SFs) are commonly used in agriculture worldwide and frequently detected in aquatic environments. High toxicity of SFs to aquatic organisms has caused great concerns. To explore whether vitamin E (VE) can relieve the toxicity caused by pyraclostrobin (PY), zebrafish were exposed to PY with or without VE supplementation. When co-exposure with VE (20 μM), the 96 h-LC50 values of PY to zebrafish embryos, adult, and the 24 h-LC50 value of PY to larvae increased from 43.94, 58.36 and 38.16 μg/L to 64.72, 108.62 and 72.78 μg/L, respectively, indicating that VE significantly decreased the toxicity of PY to zebrafish at different life stages. In addition, VE alleviated the deformity symptoms (pericardial edema and brain damage), reduced speed and movement distance, and decreased heart rate caused by 40 μg/L PY in zebrafish larvae. Co-exposure of PY with VE significantly reduced PY-caused larval oxidative stress and immunotoxicity via increasing the activities of superoxide dismutase, catalase and level of glutathione, as well as reducing the malondialdehyde production and the expression levels of Nrf2, Ucp2, IL-8, IFN and CXCL-C1C. Meanwhile, the expression levels of gria4a and cacng4b genes, which were inhibited by PY, were significantly up-regulated after co-exposure of PY with VE. Moreover, co-exposure with VE significantly reversed the increased mitochondrial DNA copies and reduced ATP content caused by PY in larvae, but had no effect on the expression of cox4i1l and activity of complex III that reduced by PY, suggesting VE can partially improve PY-induced mitochondrial dysfunction. In conclusion, the potential mechanisms of VE alleviating PY-induced toxicity may be ascribed to decreasing the oxidative stress level, restoring the functions of heart and nervous system, and improving the immunity and mitochondrial function in zebrafish.
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Affiliation(s)
- Mengna Zhang
- College of Science, China Agricultural University, Beijing 100193, China
| | - Hui Li
- Department of Biology, Shenzhen MSU-BIT University, Shenzhen 518172, China
| | - Mengyu Guo
- College of Science, China Agricultural University, Beijing 100193, China
| | - Feng Zhao
- College of Agriculture, Guangxi University, Nanning 530004, China
| | - Yao Xie
- College of Science, China Agricultural University, Beijing 100193, China
| | - Zhongyu Zhang
- College of Science, China Agricultural University, Beijing 100193, China
| | - Jingshu Lv
- College of Science, China Agricultural University, Beijing 100193, China
| | - Lihong Qiu
- College of Science, China Agricultural University, Beijing 100193, China.
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Leite FG, Sampaio CF, Cardoso Pires JA, de Oliveira DP, Dorta DJ. Toxicological impact of strobilurin fungicides on human and environmental health: a literature review. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2024; 59:142-151. [PMID: 38343082 DOI: 10.1080/03601234.2024.2312786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Fungicides are specifically used for controlling fungal infections. Strobilurins, a class of fungicides originating from the mushroom Strobilurus tenacellus, act on the fungal mitochondrial respiratory chain, interrupting the ATP cycle and causing oxidative stress. Although strobilurins are little soluble in water, they have been detected in water samples (such as rainwater and drinking water), indoor dust, and sediments, and they can bioaccumulate in aquatic organisms. Strobilurins are usually absorbed orally and are mainly eliminated via the bile/fecal route and urine, but information about their metabolites is lacking. Strobilurins have low mammalian toxicity; however, they exert severe toxic effects on aquatic organisms. Mitochondrial dysfunction and oxidative stress are the main mechanisms related to the genotoxic damage elicited by toxic compounds, such as strobilurins. These mechanisms alter genes and cause other dysfunctions, including hormonal, cardiac, neurological, and immunological impairment. Despite limitations, we have been able to compile literature information about strobilurins. Many studies have dealt with their toxic effects, but further investigations are needed to clarify their cellular and underlying mechanisms, which will help to find ways to minimize the harmful effects of these compounds.
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Affiliation(s)
- Fernanda Gomes Leite
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), São Paulo, Brazil
| | - Carolina Ferreira Sampaio
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), São Paulo, Brazil
| | | | - Danielle Palma de Oliveira
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), São Paulo, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT‑DATREM), Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Daniel Junqueira Dorta
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Departamento de Química, Universidade de São Paulo, São Paulo, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT‑DATREM), Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
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Rossi AS, Michlig MP, Repetti MR, Cazenave J. Single and joint toxicity of azoxystrobin and cyproconazole to Prochilodus lineatus: Bioconcentration and biochemical responses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167992. [PMID: 37875198 DOI: 10.1016/j.scitotenv.2023.167992] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/26/2023]
Abstract
Fungicides are widely used across the world to protect crops and their presence in freshwater systems is increasing. However, the evaluation of their potential impacts on non-target organisms is in the minority of studies related to pesticides. In the current research, the single and joint toxicity of azoxystrobin (AZX) and cyproconazole (CYP) was investigated in juvenile fish Prochilodus lineatus. In particular, we evaluated bioconcentration and biochemical responses following a short-term exposure to environmentally relevant concentrations of the fungicides (alone and in mixture). We also determined interactions between the biological responses when the two compounds were used in mixture. Our results demonstrate that AZX and CYP pose a risk to native freshwater fish by causing deleterious effects. Both compounds, alone and in mixture, bioaccumulated in P. lineatus and triggered neurotoxicity and changes in oxidative stress biomarkers in several organs. Moreover, muscle was a target tissue for these fungicides and a synergistic interaction was observed for the mixture. Due to the lack of studies in fish assessing the effects following exposure to AZX-CYP mixtures and considering a realistic exposure situation in agriculture-impacted water bodies, these findings provide new and relevant information for future studies.
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Affiliation(s)
- Andrea S Rossi
- Instituto Nacional de Limnología, CONICET, UNL, Paraje El Pozo, Ciudad Universitaria UNL, 3000 Santa Fe, Argentina; Facultad de Humanidades y Ciencias, UNL, Paraje El Pozo, Ciudad Universitaria UNL, 3000 Santa Fe, Argentina
| | - Melina P Michlig
- Programa de Investigación y Análisis de Residuos y Contaminantes Químicos (PRINARC), Facultad de Ingeniería Química, UNL, Santiago del Estero 2654, 3000 Santa Fe, Argentina
| | - María R Repetti
- Programa de Investigación y Análisis de Residuos y Contaminantes Químicos (PRINARC), Facultad de Ingeniería Química, UNL, Santiago del Estero 2654, 3000 Santa Fe, Argentina
| | - Jimena Cazenave
- Instituto Nacional de Limnología, CONICET, UNL, Paraje El Pozo, Ciudad Universitaria UNL, 3000 Santa Fe, Argentina; Facultad de Humanidades y Ciencias, UNL, Paraje El Pozo, Ciudad Universitaria UNL, 3000 Santa Fe, Argentina.
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Ahmed AIM, Macirella R, Talarico F, Curcio V, Trotta G, Aiello D, Gharbi N, Mezzasalma M, Brunelli E. Short-term effects of the strobilurin fungicide dimoxystrobin on zebrafish gills: A morpho-functional study. CHEMOSPHERE 2023; 333:138914. [PMID: 37187376 DOI: 10.1016/j.chemosphere.2023.138914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
Strobilurins represent the most widely used class of fungicides nowadays andare considered relatively non-toxic to mammals and birds but highly toxic to aquatic biota. Dimoxystrobin is one of the novel strobilurins, recently included in the 3rd Watch List of the European Commission as available data indicate that it could pose a significant risk to aquatic species. As yet, the number of studies explicitly assessing the impact of this fungicide on terrestrial and aquatic species is extremely low, and the toxic effects of dimoxystrobin on fish have not been reported. Here we investigate for the first time the alterations induced by two environmentally relevant and very low concentrations of dimoxystrobin (6.56 and 13.13 μg/L) in the fish gills. morphological, morphometric, ultrastructural, and functional alterations have been evaluated using zebrafish as a model species. We demonstrated that even short-term exposure (96 h) to dimoxystrobin alters fish gills reducing the surface available for gas exchange and inducing severe alterations encompassing three reaction patterns: circulatory disturbance and both regressive and progressive changes. Furthermore, we revealed that this fungicide impairs the expression of key enzymes involved in osmotic and acid-base regulation (Na+/K+-ATPase and AQP3) and the defensive response against oxidative stress (SOD and CAT). The information presented here highlights the importance of combining data from different analytical methods for evaluating the toxic potential of currently used and new agrochemical compounds. Our results will also contribute to the discussion on the suitability of mandatory ecotoxicological tests on vertebrates before the introduction on the market of new compounds.
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Affiliation(s)
- Abdalmoiz I M Ahmed
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Rachele Macirella
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Federica Talarico
- Natural History Museum and Botanical Garden, University of Calabria, 87036 Rende, Italy
| | - Vittoria Curcio
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Giuseppe Trotta
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Donatella Aiello
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Naouel Gharbi
- Fish Biology and Aquaculture Group, Ocean and Environment Department, NORCE Norwegian Research Center, 5006 Bergen, Norway
| | - Marcello Mezzasalma
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Elvira Brunelli
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy.
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Hopkins AP, Hoverman JT. Acute aquatic toxicity of two commonly used fungicides to midwestern amphibian larvae. ECOTOXICOLOGY (LONDON, ENGLAND) 2023; 32:188-195. [PMID: 36692802 DOI: 10.1007/s10646-023-02629-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Fungicide usage has increased globally in response to the rise in fungal pathogens, especially in the agricultural sector. However, research examining the toxicity of fungicides is still limited for many aquatic species. In this study, we examined the acute toxicity of two widely used fungicides, chlorothalonil and pyraclostrobin, on six North American larval amphibian species across multiple families using 96-h LC50 tests. We found that pyraclostrobin was approximately 3.5x more toxic than chlorothalonil; estimated LC50 values ranged from 5-18 µg/L for pyraclostrobin and 15-50 µg/L for chlorothalonil. Comparing across amphibian groups, we found that salamanders were 3x more sensitive to pyraclostrobin than anuran species and equally as sensitive to chlorothalonil. Notably, our estimated LC50 values within the range of the expected environmental concentration for these fungicides suggesting environmental exposures could lead to direct mortality in these species. Given the widespread and increasing usage of fungicides, additional work should be conducted to assess the general risk posed by these chemicals to amphibian and their associated aquatic habitats.
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Affiliation(s)
- Andrew P Hopkins
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, USA.
| | - Jason T Hoverman
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, USA.
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Wang S, Zhang X, Xu X, Su L, Zhao YH, Martyniuk CJ. Comparison of modes of toxic action between Rana chensinensis tadpoles and Limnodrilus hoffmeisteri worms based on interspecies correlation, excess toxicity and QSAR for class-based compounds. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 245:106130. [PMID: 35248894 DOI: 10.1016/j.aquatox.2022.106130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/19/2022] [Accepted: 02/27/2022] [Indexed: 06/14/2023]
Abstract
Insecticides, fungicides, dinitrobenzenes, resorcinols, phenols and anilines are widely used in agricultural and industrial productions. However, their modes of toxic action are unclear in some nontarget organisms, such as worms and tadpoles. In this study, acute toxicity data was experimentally collected for Limnodrilus hoffmeisteri worms and Rana chensinensis tadpoles, respectively. Interspecies correlation and excess toxicity were calculated to determine modes of action (MOAs) between the two species for class-based compounds. The result showed that, although the interspecies correlation of toxicity between the tadpoles and worms is significant with a coefficient of determination (R2) of 0.83, tadpoles are more sensitive than the worms and toxicity values between these two species are not identical with an overall 0.43 log unit difference. Regression analysis revealed that the toxicity of nonpolar narcotics or baseline compounds is linearly related to hydrophobicity for both the tadpoles and worms and the two baseline models are parallel, suggesting that these nonpolar narcotics share the same MOA between the two species. The difference of baseline toxicities between the two species is attributed to differences in bioconcentration factors. Analysis of the excess toxicity calculated from the toxicity ratio (TR) suggested that phenols and anilines can be classified as polar narcotics, not only to fish, but also to the tadpoles and worms. These compounds are more toxic than the baseline compounds and quantitative structure-activity relationship (QSAR) models show that their toxicity is linearly related to chemical hydrophobicity and polarity. Analysis of the excess toxicity reveals that aminophenols and resorcinols can be classified as reactive compounds, and insecticides and fungicides can be classified as specifically-acting compounds for both species. These compounds exhibited significantly greater toxic effect to both the tadpoles and worms. QSAR models have been developed to describe the toxic mechanisms for nonpolar narcotics, polar narcotics, reactive chemicals and specifically-acting compounds, and a theoretical equation has been derived to explain the effect of bio-uptake and interaction of the chemical with target receptors for both tadpole and worm toxicity. Our study reveals that tadpole toxicity can be estimated from worm toxicity data and the two species can serve as surrogates for each other in the safety evaluation of organic pollutants.
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Affiliation(s)
- Shuo Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, 2555 Jingyue Street, Changchun, Jilin 130117, PR China
| | - Xiao Zhang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, 2555 Jingyue Street, Changchun, Jilin 130117, PR China
| | - Xiaotian Xu
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, 2555 Jingyue Street, Changchun, Jilin 130117, PR China
| | - Limin Su
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, 2555 Jingyue Street, Changchun, Jilin 130117, PR China.
| | - Yuan H Zhao
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, 2555 Jingyue Street, Changchun, Jilin 130117, PR China.
| | - Christopher J Martyniuk
- Center for Environmental and Human Toxicology, Department of Physiological Sciences, Interdisciplinary Program in Biomedical Sciences Neuroscience, College of Veterinary Medicine, UF Genetics Institute, University of Florida, Gainesville, FL 32611, USA
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Particularities of Fungicides and Factors Affecting Their Fate and Removal Efficacy: A Review. SUSTAINABILITY 2022. [DOI: 10.3390/su14074056] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Systemic fungicide use has increased over the last decades, despite the susceptibility of resistance development and the side effects to human health and the environment. Although herbicides and insecticides are detected more frequently in environmental samples, there are many fungicides that have the ability to enter water bodies due to their physicochemical properties and their increasing use. Key factors affecting fungicide fate in the environment have been discussed, including the non-target effects of fungicides. For instance, fungicides are associated with the steep decline in bumblebee populations. Secondary actions of certain fungicides on plants have also been reported recently. In addition, the use of alternative eco-friendly disease management approaches has been described. Constructed Wetlands (CWs) comprise an environmentally friendly, low cost, and efficient fungicide remediation technique. Fungicide removal within CWs is dependent on plant uptake and metabolism, absorption in porous media and soil, hydrolysis, photodegradation, and biodegradation. Factors related to the efficacy of CWs on the removal of fungicides, such as the type of CW, plant species, and the physicochemical parameters of fungicides, are also discussed in this paper. There are low-environmental-risk fungicides, phytohormones and other compounds, which could improve the removal performance of CW vegetation. In addition, specific parameters such as the multiple modes of action of fungicides, side effects on substrate microbial communities and endophytes, and plant physiological response were also studied. Prospects and challenges for future research are suggested under the prism of reducing the risk related to fungicides and enhancing CW performance.
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