Chlorotoluron Metabolism in Leaves of Resistant and Susceptible Biotypes of the Grass Weed Alopecurus myosuroides
The metabolism of the herbicide chlorotoluron by susceptible and resistant biotypes of the grass weed, Alopecurus myosuroides, was examined. After administration of radiolabelled herbicide to leaves, metabolites were extracted and analysed. The metabolites identified consisted of mono‐demethylated‐,...
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| Veröffentlicht in: | Pesticide Science 1996-06, Vol.47 (2), p.185-190 |
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| creator | Hyde, Ralph J. Hallahan, David L. Bowyer, John R. |
| description | The metabolism of the herbicide chlorotoluron by susceptible and resistant biotypes of the grass weed, Alopecurus myosuroides, was examined. After administration of radiolabelled herbicide to leaves, metabolites were extracted and analysed. The metabolites identified consisted of mono‐demethylated‐, di‐demethylated‐ and ring methyl‐hydroxylated chlorotoluron. Metabolism was more extensive in the resistant biotype, yielding principally the non‐phytotoxic ring methyl‐hydroxylated metabolite. The metabolites observed are characteristic of the activity of cytochrome P450 mixed‐function oxygenase action. The specific cytochrome P450 inhibitor, 1‐aminobenzotriazole, reduced accumulation of the ring methyl‐hydroxylated metabolite in the resistant biotype. |
| doi_str_mv | 10.1002/(SICI)1096-9063(199606)47:2<185::AID-PS403>3.0.CO;2-O |
| format | Article |
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After administration of radiolabelled herbicide to leaves, metabolites were extracted and analysed. The metabolites identified consisted of mono‐demethylated‐, di‐demethylated‐ and ring methyl‐hydroxylated chlorotoluron. Metabolism was more extensive in the resistant biotype, yielding principally the non‐phytotoxic ring methyl‐hydroxylated metabolite. The metabolites observed are characteristic of the activity of cytochrome P450 mixed‐function oxygenase action. The specific cytochrome P450 inhibitor, 1‐aminobenzotriazole, reduced accumulation of the ring methyl‐hydroxylated metabolite in the resistant biotype.</description><identifier>ISSN: 0031-613X</identifier><identifier>ISSN: 1526-498X</identifier><identifier>EISSN: 1096-9063</identifier><identifier>DOI: 10.1002/(SICI)1096-9063(199606)47:2<185::AID-PS403>3.0.CO;2-O</identifier><identifier>CODEN: PSSCBG</identifier><language>eng</language><publisher>London: John Wiley & Sons, Ltd</publisher><subject>Alopecurus myosuroides ; Biological and medical sciences ; Chemical control ; chlorotoluron ; cytochrome P450 ; Fundamental and applied biological sciences. Psychology ; herbicide metabolism ; Parasitic plants. Weeds ; Phytopathology. Animal pests. 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Sci</addtitle><description>The metabolism of the herbicide chlorotoluron by susceptible and resistant biotypes of the grass weed, Alopecurus myosuroides, was examined. After administration of radiolabelled herbicide to leaves, metabolites were extracted and analysed. The metabolites identified consisted of mono‐demethylated‐, di‐demethylated‐ and ring methyl‐hydroxylated chlorotoluron. Metabolism was more extensive in the resistant biotype, yielding principally the non‐phytotoxic ring methyl‐hydroxylated metabolite. The metabolites observed are characteristic of the activity of cytochrome P450 mixed‐function oxygenase action. The specific cytochrome P450 inhibitor, 1‐aminobenzotriazole, reduced accumulation of the ring methyl‐hydroxylated metabolite in the resistant biotype.</description><subject>Alopecurus myosuroides</subject><subject>Biological and medical sciences</subject><subject>Chemical control</subject><subject>chlorotoluron</subject><subject>cytochrome P450</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>herbicide metabolism</subject><subject>Parasitic plants. Weeds</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Weeds</subject><issn>0031-613X</issn><issn>1526-498X</issn><issn>1096-9063</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>K30</sourceid><recordid>eNqFkV1v0zAUQCMEEmXwHyzBw_aQch0ncTI-pBKgVBSK1tHxduU4N1pGGnd2AvTf45KpLyDxZOnq-hz5OAhecZhygOj56XpRLM445GmYQypOeZ6nkJ7F8jx6ybPk_Hy2eBt-WccgXospTIvViyhc3Qsmxxv3gwmA4GHKxbeHwSPnbgAgz3MxCW6L69ZY05t2sKZjn6hXpWkbt2VNx5akfpBjpmYX5BrXq65nqqvYenCadn1TtsTeNKbf78at_prY3Crn2BVRxWat2ZEe7ODYdm-cFzQVucfBg1q1jp7cnSfB1_fvLosP4XI1XxSzZaiFkCIsqeSxjiISVV3VSQI1xP5BMso0SaFlWXPQkuK0qjKdRVxQBaWiKku4jjMN4iR4OnJ31twO5Hq8MYPtvBJ5JiXnwscVR7u2xjlLNe5ss1V2jxzwUB_xUB8PLfHQEsf6GEuMPChB9PXxT30UCFis_Hzluc_u7Mpp1dZWdbpxR7jgEcRp7tc249rPpqX9X-7_qP9lHgceHI5g_2306whW9jumUsgErz7P8SLezCHefMRL8Rv5lrUi</recordid><startdate>199606</startdate><enddate>199606</enddate><creator>Hyde, Ralph J.</creator><creator>Hallahan, David L.</creator><creator>Bowyer, John R.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><general>London :John Wiley & Sons Ltd</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7WH</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope></search><sort><creationdate>199606</creationdate><title>Chlorotoluron Metabolism in Leaves of Resistant and Susceptible Biotypes of the Grass Weed Alopecurus myosuroides</title><author>Hyde, Ralph J. ; Hallahan, David L. ; Bowyer, John R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3373-beb14c22e3dfdf550f04109728ce73c7bf10c7e46dd8c8213ed0baed851c48c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Alopecurus myosuroides</topic><topic>Biological and medical sciences</topic><topic>Chemical control</topic><topic>chlorotoluron</topic><topic>cytochrome P450</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>herbicide metabolism</topic><topic>Parasitic plants. Weeds</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Weeds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hyde, Ralph J.</creatorcontrib><creatorcontrib>Hallahan, David L.</creatorcontrib><creatorcontrib>Bowyer, John R.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Periodicals Index Online Segment 50</collection><collection>Periodicals Index Online</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - West</collection><collection>Primary Sources Access (Plan D) - International</collection><collection>Primary Sources Access & Build (Plan A) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Midwest</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Northeast</collection><collection>Primary Sources Access (Plan D) - Southeast</collection><collection>Primary Sources Access (Plan D) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Southeast</collection><collection>Primary Sources Access (Plan D) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - UK / I</collection><collection>Primary Sources Access (Plan D) - Canada</collection><collection>Primary Sources Access (Plan D) - EMEALA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - International</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - International</collection><collection>Primary Sources Access (Plan D) - West</collection><collection>Periodicals Index Online Segments 1-50</collection><collection>Primary Sources Access (Plan D) - APAC</collection><collection>Primary Sources Access (Plan D) - Midwest</collection><collection>Primary Sources Access (Plan D) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Canada</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - EMEALA</collection><collection>Primary Sources Access & Build (Plan A) - APAC</collection><collection>Primary Sources Access & Build (Plan A) - Canada</collection><collection>Primary Sources Access & Build (Plan A) - West</collection><collection>Primary Sources Access & Build (Plan A) - EMEALA</collection><collection>Primary Sources Access (Plan D) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - Midwest</collection><collection>Primary Sources Access & Build (Plan A) - North Central</collection><collection>Primary Sources Access & Build (Plan A) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - Southeast</collection><collection>Primary Sources Access (Plan D) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - APAC</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - MEA</collection><jtitle>Pesticide Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hyde, Ralph J.</au><au>Hallahan, David L.</au><au>Bowyer, John R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chlorotoluron Metabolism in Leaves of Resistant and Susceptible Biotypes of the Grass Weed Alopecurus myosuroides</atitle><jtitle>Pesticide Science</jtitle><addtitle>Pestic. Sci</addtitle><date>1996-06</date><risdate>1996</risdate><volume>47</volume><issue>2</issue><spage>185</spage><epage>190</epage><pages>185-190</pages><issn>0031-613X</issn><issn>1526-498X</issn><eissn>1096-9063</eissn><coden>PSSCBG</coden><abstract>The metabolism of the herbicide chlorotoluron by susceptible and resistant biotypes of the grass weed, Alopecurus myosuroides, was examined. After administration of radiolabelled herbicide to leaves, metabolites were extracted and analysed. The metabolites identified consisted of mono‐demethylated‐, di‐demethylated‐ and ring methyl‐hydroxylated chlorotoluron. Metabolism was more extensive in the resistant biotype, yielding principally the non‐phytotoxic ring methyl‐hydroxylated metabolite. The metabolites observed are characteristic of the activity of cytochrome P450 mixed‐function oxygenase action. 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| ispartof | Pesticide Science, 1996-06, Vol.47 (2), p.185-190 |
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| subjects | Alopecurus myosuroides Biological and medical sciences Chemical control chlorotoluron cytochrome P450 Fundamental and applied biological sciences. Psychology herbicide metabolism Parasitic plants. Weeds Phytopathology. Animal pests. Plant and forest protection Weeds |
| title | Chlorotoluron Metabolism in Leaves of Resistant and Susceptible Biotypes of the Grass Weed Alopecurus myosuroides |
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