Selective Action of the New Herbicide 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one in Different Wheat, Triticum aestivum, Cultivars
14C-labeled 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one (ethiozin)3 was metabolized more rapidly in tolerant than in sensitive wheat, Triticum aestivum L., cultivars. After a 6-h herbicidal pulse, the main metabolites were conjugates at all incubation times up to 48 h. The le...
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| Veröffentlicht in: | Weed science 1988-09, Vol.36 (5), p.541-544 |
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| creator | Fedtke, Carl Schmidt, Robert R. |
| description | 14C-labeled 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one (ethiozin)3 was metabolized more rapidly in tolerant than in sensitive wheat, Triticum aestivum L., cultivars. After a 6-h herbicidal pulse, the main metabolites were conjugates at all incubation times up to 48 h. The levels of deaminated and dethioethylated metabolites never exceeded 4% of the extractable radioactivity and also did not differ between tolerant and sensitive plants. On the contrary, 92% of the extractable radioactivity was in conjugates after 24 h in the leaves of tolerant plants compared to 25% in the leaves of sensitive plants. The differently sensitive wheat cultivars conjugated metribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one, at about half the rate that was observed with ethiozin. This finding may explain the fact that most wheat cultivars are more sensitive to metribuzin compared with ethiozin. |
| doi_str_mv | 10.1017/S0043174500075366 |
| format | Article |
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After a 6-h herbicidal pulse, the main metabolites were conjugates at all incubation times up to 48 h. The levels of deaminated and dethioethylated metabolites never exceeded 4% of the extractable radioactivity and also did not differ between tolerant and sensitive plants. On the contrary, 92% of the extractable radioactivity was in conjugates after 24 h in the leaves of tolerant plants compared to 25% in the leaves of sensitive plants. The differently sensitive wheat cultivars conjugated metribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one, at about half the rate that was observed with ethiozin. This finding may explain the fact that most wheat cultivars are more sensitive to metribuzin compared with ethiozin.</description><identifier>ISSN: 0043-1745</identifier><identifier>EISSN: 1550-2759</identifier><identifier>DOI: 10.1017/S0043174500075366</identifier><identifier>CODEN: WEESA6</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Adaptation to environment and cultivation conditions ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Carbon dioxide ; Chemical control ; DEGRADATION ; DETERIORO ; FITOTOXICIDAD ; FOTOSINTESIS ; Fundamental and applied biological sciences. Psychology ; Genetics and breeding of economic plants ; HERBICIDAS ; HERBICIDE ; Herbicide resistance ; Herbicides ; Leaves ; Metabolism ; METABOLISME ; METABOLISMO ; Parasitic plants. Weeds ; PHOTOSYNTHESE ; Physiology, Chemistry, and Biochemistry ; Phytopathology. Animal pests. Plant and forest protection ; PHYTOTOXICITE ; Plant roots ; Plants ; Radioactive decay ; Soybeans ; TRITICUM AESTIVUM ; VARIEDADES ; Varietal selection. Specialized plant breeding, plant breeding aims ; VARIETE ; Weeds ; Wheat</subject><ispartof>Weed science, 1988-09, Vol.36 (5), p.541-544</ispartof><rights>Copyright © 1988 by the Weed Science Society of America</rights><rights>Copyright 1988 The Weed Science Society of America</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c288t-7ca1839ab31ddc50af2a762e5d73cebcc9d678de1f920d3812ae5554956eee53</citedby><cites>FETCH-LOGICAL-c288t-7ca1839ab31ddc50af2a762e5d73cebcc9d678de1f920d3812ae5554956eee53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/4044803$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/4044803$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=6987981$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Fedtke, Carl</creatorcontrib><creatorcontrib>Schmidt, Robert R.</creatorcontrib><title>Selective Action of the New Herbicide 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one in Different Wheat, Triticum aestivum, Cultivars</title><title>Weed science</title><addtitle>Weed sci</addtitle><description>14C-labeled 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one (ethiozin)3 was metabolized more rapidly in tolerant than in sensitive wheat, Triticum aestivum L., cultivars. After a 6-h herbicidal pulse, the main metabolites were conjugates at all incubation times up to 48 h. The levels of deaminated and dethioethylated metabolites never exceeded 4% of the extractable radioactivity and also did not differ between tolerant and sensitive plants. On the contrary, 92% of the extractable radioactivity was in conjugates after 24 h in the leaves of tolerant plants compared to 25% in the leaves of sensitive plants. The differently sensitive wheat cultivars conjugated metribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one, at about half the rate that was observed with ethiozin. This finding may explain the fact that most wheat cultivars are more sensitive to metribuzin compared with ethiozin.</description><subject>Adaptation to environment and cultivation conditions</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Carbon dioxide</subject><subject>Chemical control</subject><subject>DEGRADATION</subject><subject>DETERIORO</subject><subject>FITOTOXICIDAD</subject><subject>FOTOSINTESIS</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetics and breeding of economic plants</subject><subject>HERBICIDAS</subject><subject>HERBICIDE</subject><subject>Herbicide resistance</subject><subject>Herbicides</subject><subject>Leaves</subject><subject>Metabolism</subject><subject>METABOLISME</subject><subject>METABOLISMO</subject><subject>Parasitic plants. Weeds</subject><subject>PHOTOSYNTHESE</subject><subject>Physiology, Chemistry, and Biochemistry</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>PHYTOTOXICITE</subject><subject>Plant roots</subject><subject>Plants</subject><subject>Radioactive decay</subject><subject>Soybeans</subject><subject>TRITICUM AESTIVUM</subject><subject>VARIEDADES</subject><subject>Varietal selection. Specialized plant breeding, plant breeding aims</subject><subject>VARIETE</subject><subject>Weeds</subject><subject>Wheat</subject><issn>0043-1745</issn><issn>1550-2759</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><recordid>eNp9kE9rGzEQxZfSQt2kH6ClBx16sGHVSqvVSnsM7h8HQnqwS4_LWDuKZXZXQZJT0o_ST1s5DrkUcpkZ-L03PF5RvOPsE2dcfV4zVguuaskYU1I0zYtixqVktFKyfVnMjpge-eviTYx7xnhT8XZW_F3jgCa5OyQXefmJeEvSDsk1_iYrDFtnXI-kpjC6ydOGznnJae9GTLv74WEsqKDzhyvtnF9QXlZlTVNw8MdNVM7r1YL6CYmbyBdnLQacEvm1Q0gl2QSXnDmMBDDmEIexJMvDkC8I8bx4ZWGI-PZxnxWbb183yxW9-vH9cnlxRU2ldaLKANeiha3gfW8kA1uBaiqUvRIGt8a0faN0j9y2FeuF5hWglLJuZYOIUpwV_PTWBB9jQNvdBjdCuO84647ddv91mz0fT55biAYGG2AyLj4Zm1arVvMs-3CS7WPy4QnXrK41Exm_P2ELvoObkD_8XGud01YqQ_EYC8ZtcP0Ndnt_CFNu4plg_wBXPJjj</recordid><startdate>19880901</startdate><enddate>19880901</enddate><creator>Fedtke, Carl</creator><creator>Schmidt, Robert R.</creator><general>Cambridge University Press</general><general>Weed Science Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19880901</creationdate><title>Selective Action of the New Herbicide 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one in Different Wheat, Triticum aestivum, Cultivars</title><author>Fedtke, Carl ; Schmidt, Robert R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c288t-7ca1839ab31ddc50af2a762e5d73cebcc9d678de1f920d3812ae5554956eee53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Adaptation to environment and cultivation conditions</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Carbon dioxide</topic><topic>Chemical control</topic><topic>DEGRADATION</topic><topic>DETERIORO</topic><topic>FITOTOXICIDAD</topic><topic>FOTOSINTESIS</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetics and breeding of economic plants</topic><topic>HERBICIDAS</topic><topic>HERBICIDE</topic><topic>Herbicide resistance</topic><topic>Herbicides</topic><topic>Leaves</topic><topic>Metabolism</topic><topic>METABOLISME</topic><topic>METABOLISMO</topic><topic>Parasitic plants. Weeds</topic><topic>PHOTOSYNTHESE</topic><topic>Physiology, Chemistry, and Biochemistry</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>PHYTOTOXICITE</topic><topic>Plant roots</topic><topic>Plants</topic><topic>Radioactive decay</topic><topic>Soybeans</topic><topic>TRITICUM AESTIVUM</topic><topic>VARIEDADES</topic><topic>Varietal selection. Specialized plant breeding, plant breeding aims</topic><topic>VARIETE</topic><topic>Weeds</topic><topic>Wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fedtke, Carl</creatorcontrib><creatorcontrib>Schmidt, Robert R.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Weed science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fedtke, Carl</au><au>Schmidt, Robert R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective Action of the New Herbicide 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one in Different Wheat, Triticum aestivum, Cultivars</atitle><jtitle>Weed science</jtitle><addtitle>Weed sci</addtitle><date>1988-09-01</date><risdate>1988</risdate><volume>36</volume><issue>5</issue><spage>541</spage><epage>544</epage><pages>541-544</pages><issn>0043-1745</issn><eissn>1550-2759</eissn><coden>WEESA6</coden><abstract>14C-labeled 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one (ethiozin)3 was metabolized more rapidly in tolerant than in sensitive wheat, Triticum aestivum L., cultivars. After a 6-h herbicidal pulse, the main metabolites were conjugates at all incubation times up to 48 h. The levels of deaminated and dethioethylated metabolites never exceeded 4% of the extractable radioactivity and also did not differ between tolerant and sensitive plants. On the contrary, 92% of the extractable radioactivity was in conjugates after 24 h in the leaves of tolerant plants compared to 25% in the leaves of sensitive plants. The differently sensitive wheat cultivars conjugated metribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one, at about half the rate that was observed with ethiozin. This finding may explain the fact that most wheat cultivars are more sensitive to metribuzin compared with ethiozin.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S0043174500075366</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0043-1745 |
| ispartof | Weed science, 1988-09, Vol.36 (5), p.541-544 |
| issn | 0043-1745 1550-2759 |
| language | eng |
| recordid | cdi_crossref_primary_10_1017_S0043174500075366 |
| source | JSTOR Archive Collection A-Z Listing |
| subjects | Adaptation to environment and cultivation conditions Agronomy. Soil science and plant productions Biological and medical sciences Carbon dioxide Chemical control DEGRADATION DETERIORO FITOTOXICIDAD FOTOSINTESIS Fundamental and applied biological sciences. Psychology Genetics and breeding of economic plants HERBICIDAS HERBICIDE Herbicide resistance Herbicides Leaves Metabolism METABOLISME METABOLISMO Parasitic plants. Weeds PHOTOSYNTHESE Physiology, Chemistry, and Biochemistry Phytopathology. Animal pests. Plant and forest protection PHYTOTOXICITE Plant roots Plants Radioactive decay Soybeans TRITICUM AESTIVUM VARIEDADES Varietal selection. Specialized plant breeding, plant breeding aims VARIETE Weeds Wheat |
| title | Selective Action of the New Herbicide 4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one in Different Wheat, Triticum aestivum, Cultivars |
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