Selection of Bioassay Method Influences Detection of Annual Bluegrass Resistance to Mitotic-Inhibiting Herbicides
Dinitroaniline-resistant annual bluegrass (Poa annua L.) has been reported in several states; however, there are no standardized screening methods for detecting resistance. Research was conducted to evaluate screening techniques (Murashige and Skoog [MS] media, filter paper, hydroponics, and soil ba...
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| Veröffentlicht in: | Crop science 2009-05, Vol.49 (3), p.1088-1095 |
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| creator | Cutulle, Matthew A McElroy, J. Scott Millwood, Reginald W Sorochan, John C Stewart, C. Neal Jr |
| description | Dinitroaniline-resistant annual bluegrass (Poa annua L.) has been reported in several states; however, there are no standardized screening methods for detecting resistance. Research was conducted to evaluate screening techniques (Murashige and Skoog [MS] media, filter paper, hydroponics, and soil based) to detect herbicide resistance to dithiopyr, prodiamine, and pendimethalin in a suspected resistant ecotype of annual bluegrass from Chattanooga, TN (Chattanooga). A senstitive ecotype from Fresno, CA (Control) was also tested. All the bioassays were able to diagnose the ecotype from Chattanooga as resistant to prodiamine and pendimethalin. However, the degree of resistance was highly variable between bioassays. In hydroponics, the amount of prodiamine required to inhibit Chattanooga growth by 50% was 26 times more than Control. Comparatively, in MS media the amount of prodiamine required to inhibit Chattanooga growth by 50% was 80 times more than Control. Minor dithiopyr resistance from the Chattanooga ecotype was detected by the hydroponics, filter-paper and soil-based bioassays. Hydroponics provided the most rapid diagnosis of resistance, accessing resistance for a mature plant in 10 d. The MS-media bioassay had the least amount of confounding variables. These findings highlight the potential variation in results that can occur in mitotic-inhibiting herbicide resistance detection simply on the basis of how plant samples are assayed. |
| doi_str_mv | 10.2135/cropsci2008.05.0242 |
| format | Article |
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Scott ; Millwood, Reginald W ; Sorochan, John C ; Stewart, C. Neal Jr</creator><creatorcontrib>Cutulle, Matthew A ; McElroy, J. Scott ; Millwood, Reginald W ; Sorochan, John C ; Stewart, C. Neal Jr</creatorcontrib><description>Dinitroaniline-resistant annual bluegrass (Poa annua L.) has been reported in several states; however, there are no standardized screening methods for detecting resistance. Research was conducted to evaluate screening techniques (Murashige and Skoog [MS] media, filter paper, hydroponics, and soil based) to detect herbicide resistance to dithiopyr, prodiamine, and pendimethalin in a suspected resistant ecotype of annual bluegrass from Chattanooga, TN (Chattanooga). A senstitive ecotype from Fresno, CA (Control) was also tested. All the bioassays were able to diagnose the ecotype from Chattanooga as resistant to prodiamine and pendimethalin. However, the degree of resistance was highly variable between bioassays. In hydroponics, the amount of prodiamine required to inhibit Chattanooga growth by 50% was 26 times more than Control. Comparatively, in MS media the amount of prodiamine required to inhibit Chattanooga growth by 50% was 80 times more than Control. Minor dithiopyr resistance from the Chattanooga ecotype was detected by the hydroponics, filter-paper and soil-based bioassays. Hydroponics provided the most rapid diagnosis of resistance, accessing resistance for a mature plant in 10 d. The MS-media bioassay had the least amount of confounding variables. These findings highlight the potential variation in results that can occur in mitotic-inhibiting herbicide resistance detection simply on the basis of how plant samples are assayed.</description><identifier>ISSN: 0011-183X</identifier><identifier>EISSN: 1435-0653</identifier><identifier>DOI: 10.2135/cropsci2008.05.0242</identifier><identifier>CODEN: CRPSAY</identifier><language>eng</language><publisher>Madison: Crop Science Society of America</publisher><subject>accuracy ; Bioassays ; culture media ; detection ; dinitroaniline herbicides ; dithiopyr ; ecotypes ; experimental design ; germplasm screening ; grass weeds ; herbicide-resistant weeds ; Herbicides ; Hydroponics ; laboratory techniques ; lawns and turf ; Mutation ; Pendimethalin ; Poa annua ; prodiamine ; Turfgrasses ; Winter</subject><ispartof>Crop science, 2009-05, Vol.49 (3), p.1088-1095</ispartof><rights>Crop Science Society of America</rights><rights>Copyright American Society of Agronomy May/Jun 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3272-14e6cade22230bf4fd31533d69c3212f5641bbf24f245e38a2596e20d14980833</citedby><cites>FETCH-LOGICAL-c3272-14e6cade22230bf4fd31533d69c3212f5641bbf24f245e38a2596e20d14980833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2135%2Fcropsci2008.05.0242$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2135%2Fcropsci2008.05.0242$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27926,27927,45576,45577</link.rule.ids></links><search><creatorcontrib>Cutulle, Matthew A</creatorcontrib><creatorcontrib>McElroy, J. Scott</creatorcontrib><creatorcontrib>Millwood, Reginald W</creatorcontrib><creatorcontrib>Sorochan, John C</creatorcontrib><creatorcontrib>Stewart, C. Neal Jr</creatorcontrib><title>Selection of Bioassay Method Influences Detection of Annual Bluegrass Resistance to Mitotic-Inhibiting Herbicides</title><title>Crop science</title><description>Dinitroaniline-resistant annual bluegrass (Poa annua L.) has been reported in several states; however, there are no standardized screening methods for detecting resistance. Research was conducted to evaluate screening techniques (Murashige and Skoog [MS] media, filter paper, hydroponics, and soil based) to detect herbicide resistance to dithiopyr, prodiamine, and pendimethalin in a suspected resistant ecotype of annual bluegrass from Chattanooga, TN (Chattanooga). A senstitive ecotype from Fresno, CA (Control) was also tested. All the bioassays were able to diagnose the ecotype from Chattanooga as resistant to prodiamine and pendimethalin. However, the degree of resistance was highly variable between bioassays. In hydroponics, the amount of prodiamine required to inhibit Chattanooga growth by 50% was 26 times more than Control. Comparatively, in MS media the amount of prodiamine required to inhibit Chattanooga growth by 50% was 80 times more than Control. Minor dithiopyr resistance from the Chattanooga ecotype was detected by the hydroponics, filter-paper and soil-based bioassays. Hydroponics provided the most rapid diagnosis of resistance, accessing resistance for a mature plant in 10 d. The MS-media bioassay had the least amount of confounding variables. These findings highlight the potential variation in results that can occur in mitotic-inhibiting herbicide resistance detection simply on the basis of how plant samples are assayed.</description><subject>accuracy</subject><subject>Bioassays</subject><subject>culture media</subject><subject>detection</subject><subject>dinitroaniline herbicides</subject><subject>dithiopyr</subject><subject>ecotypes</subject><subject>experimental design</subject><subject>germplasm screening</subject><subject>grass weeds</subject><subject>herbicide-resistant weeds</subject><subject>Herbicides</subject><subject>Hydroponics</subject><subject>laboratory techniques</subject><subject>lawns and turf</subject><subject>Mutation</subject><subject>Pendimethalin</subject><subject>Poa annua</subject><subject>prodiamine</subject><subject>Turfgrasses</subject><subject>Winter</subject><issn>0011-183X</issn><issn>1435-0653</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqNkE1rGzEQhkVpoW6aX5BDRe_rjjSr_Tgm26QxJKTECeQmtLsjR2G7ciSZ4n9fGQfaY2FgYN6PgYexMwFLKVB9G4LfxsFJgGYJagmylO_YQpSoCqgUvmcLACEK0eDTR_YpxhcAqNtaLdjrmiYakvMz95ZfOG9iNHt-S-nZj3w122lH80CRf6f013c-zzsz8YssbkJO8HuKLiaTnTx5fuuST24oVvOz611y84ZfU-jd4EaKn9kHa6ZIp2_7hD1eXT5018XN3Y9Vd35TDChrWYiSqsGMJKVE6G1pRxQKcazarAtpVVWKvreyzKMIGyNVW5GEUZRtAw3iCft67N0G_7qjmPSL34U5v9QosK1l2dTZhEdTJhhjIKu3wf0yYa8F6ANa_Q9aDUof0ObU1TH12020_5-I7tad7O7vfq671eEO6q3oy7HIGq_NJrioH9cSBIKosFZK4h849oz8</recordid><startdate>200905</startdate><enddate>200905</enddate><creator>Cutulle, Matthew A</creator><creator>McElroy, J. 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Scott ; Millwood, Reginald W ; Sorochan, John C ; Stewart, C. Neal Jr</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3272-14e6cade22230bf4fd31533d69c3212f5641bbf24f245e38a2596e20d14980833</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>accuracy</topic><topic>Bioassays</topic><topic>culture media</topic><topic>detection</topic><topic>dinitroaniline herbicides</topic><topic>dithiopyr</topic><topic>ecotypes</topic><topic>experimental design</topic><topic>germplasm screening</topic><topic>grass weeds</topic><topic>herbicide-resistant weeds</topic><topic>Herbicides</topic><topic>Hydroponics</topic><topic>laboratory techniques</topic><topic>lawns and turf</topic><topic>Mutation</topic><topic>Pendimethalin</topic><topic>Poa annua</topic><topic>prodiamine</topic><topic>Turfgrasses</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cutulle, Matthew A</creatorcontrib><creatorcontrib>McElroy, J. 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Scott</au><au>Millwood, Reginald W</au><au>Sorochan, John C</au><au>Stewart, C. Neal Jr</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selection of Bioassay Method Influences Detection of Annual Bluegrass Resistance to Mitotic-Inhibiting Herbicides</atitle><jtitle>Crop science</jtitle><date>2009-05</date><risdate>2009</risdate><volume>49</volume><issue>3</issue><spage>1088</spage><epage>1095</epage><pages>1088-1095</pages><issn>0011-183X</issn><eissn>1435-0653</eissn><coden>CRPSAY</coden><abstract>Dinitroaniline-resistant annual bluegrass (Poa annua L.) has been reported in several states; however, there are no standardized screening methods for detecting resistance. Research was conducted to evaluate screening techniques (Murashige and Skoog [MS] media, filter paper, hydroponics, and soil based) to detect herbicide resistance to dithiopyr, prodiamine, and pendimethalin in a suspected resistant ecotype of annual bluegrass from Chattanooga, TN (Chattanooga). A senstitive ecotype from Fresno, CA (Control) was also tested. All the bioassays were able to diagnose the ecotype from Chattanooga as resistant to prodiamine and pendimethalin. However, the degree of resistance was highly variable between bioassays. In hydroponics, the amount of prodiamine required to inhibit Chattanooga growth by 50% was 26 times more than Control. Comparatively, in MS media the amount of prodiamine required to inhibit Chattanooga growth by 50% was 80 times more than Control. Minor dithiopyr resistance from the Chattanooga ecotype was detected by the hydroponics, filter-paper and soil-based bioassays. Hydroponics provided the most rapid diagnosis of resistance, accessing resistance for a mature plant in 10 d. The MS-media bioassay had the least amount of confounding variables. These findings highlight the potential variation in results that can occur in mitotic-inhibiting herbicide resistance detection simply on the basis of how plant samples are assayed.</abstract><cop>Madison</cop><pub>Crop Science Society of America</pub><doi>10.2135/cropsci2008.05.0242</doi><tpages>8</tpages></addata></record> |
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| subjects | accuracy Bioassays culture media detection dinitroaniline herbicides dithiopyr ecotypes experimental design germplasm screening grass weeds herbicide-resistant weeds Herbicides Hydroponics laboratory techniques lawns and turf Mutation Pendimethalin Poa annua prodiamine Turfgrasses Winter |
| title | Selection of Bioassay Method Influences Detection of Annual Bluegrass Resistance to Mitotic-Inhibiting Herbicides |
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