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Icon® rice seed treatment toxicity to crayfish (Procambarus clarkii) in experimental rice paddies

Outdoor pools (2.3 × 2.3 m) were used to simulate typical rice agricultural practices in Louisiana, USA, to evaluate the toxicity of ICON® (active ingredient [a.i.] fipronil) and its degradates to crayfish (Procambarus clarkii). Six paddies were planted with seed treated with ICON 6.2 FS at an exagg...

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Published in:Environmental toxicology and chemistry 2003-01, Vol.22 (1), p.167-174
Main Authors: Biever, Ronald C., Hoberg, James R., Jacobson, Brian, Dionne, Emily, Sulaiman, Mohammed, McCahon, Peter
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cited_by cdi_FETCH-LOGICAL-c4092-10df23d5595d81070f9a80865cff794292ebb7398c67c86bc30a42c5a40285763
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container_start_page 167
container_title Environmental toxicology and chemistry
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creator Biever, Ronald C.
Hoberg, James R.
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description Outdoor pools (2.3 × 2.3 m) were used to simulate typical rice agricultural practices in Louisiana, USA, to evaluate the toxicity of ICON® (active ingredient [a.i.] fipronil) and its degradates to crayfish (Procambarus clarkii). Six paddies were planted with seed treated with ICON 6.2 FS at an exaggerated application rate of 0.05 kg a.i./ha (recommended rate, 0.042 kg a.i./ha), simulating three rice‐planting scenarios. Two reference paddies were planted with untreated seed. Crayfish were exposed to tail water within 24 to 48 h after seeding, simulating standard Louisiana agricultural and water management practices. At 50 d after planting, a separate group of crayfish was caged in situ for 14 d to evaluate toxicity. An additional 50 crayfish were added to two paddies approximately 100 d after rice planting and held for 29 weeks to evaluate bioaccumulation. Residues of fipronil and its degradates in water and soil were similar to residue concentrations measured from rice fields in Louisiana. Tail water from the treated paddies was not toxic to crayfish. The fipronil 96‐h median lethal concentration (LC50) for adult crayfish was 180 μg/L, which would provide at least a sixfold safety factor between the maximum fipronil concentration in tail water and the crayfish LC50. In situ exposures of crayfish also were not toxic. Concentrations of fipronil and its degradates after 29 weeks of exposure were less than 5 μg/kg in crayfish tail muscle tissue. These results demonstrate that label instructions adequately protect crayfish in a rice‐crayfish cropping scenario when ICON is applied at maximum application rates as a seed treatment.
doi_str_mv 10.1002/etc.5620220122
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Six paddies were planted with seed treated with ICON 6.2 FS at an exaggerated application rate of 0.05 kg a.i./ha (recommended rate, 0.042 kg a.i./ha), simulating three rice‐planting scenarios. Two reference paddies were planted with untreated seed. Crayfish were exposed to tail water within 24 to 48 h after seeding, simulating standard Louisiana agricultural and water management practices. At 50 d after planting, a separate group of crayfish was caged in situ for 14 d to evaluate toxicity. An additional 50 crayfish were added to two paddies approximately 100 d after rice planting and held for 29 weeks to evaluate bioaccumulation. Residues of fipronil and its degradates in water and soil were similar to residue concentrations measured from rice fields in Louisiana. Tail water from the treated paddies was not toxic to crayfish. The fipronil 96‐h median lethal concentration (LC50) for adult crayfish was 180 μg/L, which would provide at least a sixfold safety factor between the maximum fipronil concentration in tail water and the crayfish LC50. In situ exposures of crayfish also were not toxic. Concentrations of fipronil and its degradates after 29 weeks of exposure were less than 5 μg/kg in crayfish tail muscle tissue. 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Psychology ; ICON ; Insecticides - pharmacokinetics ; Insecticides - toxicity ; Lethal Dose 50 ; Nitriles ; Oryza ; Procambarus ; Pyrethrins - toxicity ; Rice ; Tissue Distribution ; Water Pollutants, Chemical - pharmacokinetics ; Water Pollutants, Chemical - toxicity</subject><ispartof>Environmental toxicology and chemistry, 2003-01, Vol.22 (1), p.167-174</ispartof><rights>Copyright © 2003 SETAC</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4092-10df23d5595d81070f9a80865cff794292ebb7398c67c86bc30a42c5a40285763</citedby><cites>FETCH-LOGICAL-c4092-10df23d5595d81070f9a80865cff794292ebb7398c67c86bc30a42c5a40285763</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=14418640$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12503761$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Biever, Ronald C.</creatorcontrib><creatorcontrib>Hoberg, James R.</creatorcontrib><creatorcontrib>Jacobson, Brian</creatorcontrib><creatorcontrib>Dionne, Emily</creatorcontrib><creatorcontrib>Sulaiman, Mohammed</creatorcontrib><creatorcontrib>McCahon, Peter</creatorcontrib><title>Icon® rice seed treatment toxicity to crayfish (Procambarus clarkii) in experimental rice paddies</title><title>Environmental toxicology and chemistry</title><addtitle>Environmental Toxicology and Chemistry</addtitle><description>Outdoor pools (2.3 × 2.3 m) were used to simulate typical rice agricultural practices in Louisiana, USA, to evaluate the toxicity of ICON® (active ingredient [a.i.] fipronil) and its degradates to crayfish (Procambarus clarkii). 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These results demonstrate that label instructions adequately protect crayfish in a rice‐crayfish cropping scenario when ICON is applied at maximum application rates as a seed treatment.</description><subject>Agriculture</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Astacoidea</subject><subject>Biological and medical sciences</subject><subject>Crayfish</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on protozoa and invertebrates</subject><subject>Fipronil</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>ICON</subject><subject>Insecticides - pharmacokinetics</subject><subject>Insecticides - toxicity</subject><subject>Lethal Dose 50</subject><subject>Nitriles</subject><subject>Oryza</subject><subject>Procambarus</subject><subject>Pyrethrins - toxicity</subject><subject>Rice</subject><subject>Tissue Distribution</subject><subject>Water Pollutants, Chemical - pharmacokinetics</subject><subject>Water Pollutants, Chemical - toxicity</subject><issn>0730-7268</issn><issn>1552-8618</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkLtOwzAUQC0EoqWwMiIvSDCkXDvxawQEpWpVOoAYLcdxhCF9yA6i_Sk-gi8jVSoqJibf4Zzrq4PQKYE-AaBXrrZ9xilQCoTSPdQljNFEciL3URdEComgXHbQUYxvAIQrpQ5Rh1AGqeCki_KhXcy_v3Dw1uHoXIHr4Ew9c_Ma14uVt75eNwO2waxLH1_xxTQsrJnlJnxEbCsT3r2_xH6O3Wrpgt-IpmrXLU1ReBeP0UFpquhOtm8PPd_fPd0-JOPHwfD2epzYDBRNCBQlTQvGFCskAQGlMhIkZ7Yshcqooi7PRaqk5cJKntsUTEYtMxlQyQRPe6jf7rVhEWNwpV4295iw1gT0JpZuYuldrEY4a4XlRz5zxQ7f1mmA8y1gojVVGczc-rjjsoxInkHDqZb79JVb__Otbsg_RySt62PtVr9u01VzkQqmXyYDPRjdiMmUCD1KfwCC7pI8</recordid><startdate>200301</startdate><enddate>200301</enddate><creator>Biever, Ronald C.</creator><creator>Hoberg, James R.</creator><creator>Jacobson, Brian</creator><creator>Dionne, Emily</creator><creator>Sulaiman, Mohammed</creator><creator>McCahon, Peter</creator><general>Wiley Periodicals, Inc</general><general>SETAC</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200301</creationdate><title>Icon® rice seed treatment toxicity to crayfish (Procambarus clarkii) in experimental rice paddies</title><author>Biever, Ronald C. ; Hoberg, James R. ; Jacobson, Brian ; Dionne, Emily ; Sulaiman, Mohammed ; McCahon, Peter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4092-10df23d5595d81070f9a80865cff794292ebb7398c67c86bc30a42c5a40285763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Agriculture</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Astacoidea</topic><topic>Biological and medical sciences</topic><topic>Crayfish</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Effects of pollution and side effects of pesticides on protozoa and invertebrates</topic><topic>Fipronil</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>ICON</topic><topic>Insecticides - pharmacokinetics</topic><topic>Insecticides - toxicity</topic><topic>Lethal Dose 50</topic><topic>Nitriles</topic><topic>Oryza</topic><topic>Procambarus</topic><topic>Pyrethrins - toxicity</topic><topic>Rice</topic><topic>Tissue Distribution</topic><topic>Water Pollutants, Chemical - pharmacokinetics</topic><topic>Water Pollutants, Chemical - toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Biever, Ronald C.</creatorcontrib><creatorcontrib>Hoberg, James R.</creatorcontrib><creatorcontrib>Jacobson, Brian</creatorcontrib><creatorcontrib>Dionne, Emily</creatorcontrib><creatorcontrib>Sulaiman, Mohammed</creatorcontrib><creatorcontrib>McCahon, Peter</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Environmental toxicology and chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Biever, Ronald C.</au><au>Hoberg, James R.</au><au>Jacobson, Brian</au><au>Dionne, Emily</au><au>Sulaiman, Mohammed</au><au>McCahon, Peter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Icon® rice seed treatment toxicity to crayfish (Procambarus clarkii) in experimental rice paddies</atitle><jtitle>Environmental toxicology and chemistry</jtitle><addtitle>Environmental Toxicology and Chemistry</addtitle><date>2003-01</date><risdate>2003</risdate><volume>22</volume><issue>1</issue><spage>167</spage><epage>174</epage><pages>167-174</pages><issn>0730-7268</issn><eissn>1552-8618</eissn><coden>ETOCDK</coden><abstract>Outdoor pools (2.3 × 2.3 m) were used to simulate typical rice agricultural practices in Louisiana, USA, to evaluate the toxicity of ICON® (active ingredient [a.i.] fipronil) and its degradates to crayfish (Procambarus clarkii). Six paddies were planted with seed treated with ICON 6.2 FS at an exaggerated application rate of 0.05 kg a.i./ha (recommended rate, 0.042 kg a.i./ha), simulating three rice‐planting scenarios. Two reference paddies were planted with untreated seed. Crayfish were exposed to tail water within 24 to 48 h after seeding, simulating standard Louisiana agricultural and water management practices. At 50 d after planting, a separate group of crayfish was caged in situ for 14 d to evaluate toxicity. An additional 50 crayfish were added to two paddies approximately 100 d after rice planting and held for 29 weeks to evaluate bioaccumulation. Residues of fipronil and its degradates in water and soil were similar to residue concentrations measured from rice fields in Louisiana. Tail water from the treated paddies was not toxic to crayfish. The fipronil 96‐h median lethal concentration (LC50) for adult crayfish was 180 μg/L, which would provide at least a sixfold safety factor between the maximum fipronil concentration in tail water and the crayfish LC50. In situ exposures of crayfish also were not toxic. Concentrations of fipronil and its degradates after 29 weeks of exposure were less than 5 μg/kg in crayfish tail muscle tissue. These results demonstrate that label instructions adequately protect crayfish in a rice‐crayfish cropping scenario when ICON is applied at maximum application rates as a seed treatment.</abstract><cop>Hoboken</cop><pub>Wiley Periodicals, Inc</pub><pmid>12503761</pmid><doi>10.1002/etc.5620220122</doi><tpages>8</tpages></addata></record>
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identifier ISSN: 0730-7268
ispartof Environmental toxicology and chemistry, 2003-01, Vol.22 (1), p.167-174
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source Wiley
subjects Agriculture
Animal, plant and microbial ecology
Animals
Applied ecology
Astacoidea
Biological and medical sciences
Crayfish
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on protozoa and invertebrates
Fipronil
Fundamental and applied biological sciences. Psychology
ICON
Insecticides - pharmacokinetics
Insecticides - toxicity
Lethal Dose 50
Nitriles
Oryza
Procambarus
Pyrethrins - toxicity
Rice
Tissue Distribution
Water Pollutants, Chemical - pharmacokinetics
Water Pollutants, Chemical - toxicity
title Icon® rice seed treatment toxicity to crayfish (Procambarus clarkii) in experimental rice paddies
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