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Re.ponse.of e.ght Swe.t Maize.(Ze. maysL.) Hybrids to Saflufe.acil Alone.or Pre.Mixe. with Dime.he.amid-P

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Ame.ican Journal of Plant Scie.ce. 2012年第1期3卷 96-101页

作者： darren e. robinson Nade. Soltani Pe.e. H. Sikke.a 不详

Saflufe.acil is a ne. he.bicide.for use.in fie.d maize.(Ze. mays L.) and othe. crops that may have.pote.tial for we.d manage.e.t in swe.t maize. Tole.ance.of e.ght swe.t maize.hybrids to saflufe.acil and saflufe.acil plus dime.he.amid-p applie. pre.me.ge.ce.(PRe. we.e.studie. at two Ontario locations in 2008 and 2009. Saflufe.acil applie. PRe.at 75 and 150 g·ha–1 and saflufe.acil plus dime.he.amid-p (pre.mixe.) applie. PRe.at 735 and 1470 g·ha–1 cause. minimal (le.s than 5%) injury in Cahill, GH4927, Harve.t Gold, Rocke., BSS5362, GG236, GG447, and GG763 swe.t maize.hybrids at 1 and 2 we.ks afte. e.e.ge.ce.(WAe.. Saflufe.acil or saflufe.acil plus dime.he.amid-p applie. PRe.did not re.uce.plant he.ght, cob size. or yie.d of any of the.swe.t maize.hybrids te.te. in this study. Base. on the.e.re.ults, saflufe.acil and saflufe.acil plus dime.he.amid-p pre.mixe. applie. PRe.at the.dose. e.aluate. can be.safe.y use. for we.d manage.e.t in Cahill, GH4927, Harve.t Gold, Rocke., BSS5362, GG236, GG447, and GG763 swe.t maize.unde. Ontario e.vironme.tal conditions.

关键词： Cob Size He.ght Injury Pre.me.ge.ce Tole.ance Yie.d

e.aluation of 2,4-D Amine. Glyphosate. 2,4-D Amine.plus Glyphosate.DMA and 2,4-D Choline.Glyphosate.DMA for The.r e.ficacy on Glyphosate.Susce.tible.and Re.istant Canada Fle.bane.Populations

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Agricultural Scie.ce. 2014年第11期5卷 1053-1060页

作者： Laura Ford Nade. Soltani darren e. robinson Robe.t e. Nurse.Allan McFadde. Pe.e. H. Sikke.a Unive.sity of Gue.ph Ridge.own Campus Ridgetown Canada Agriculture.and Agri-Food Canada Harrow Canada Dow Agroscie.ce. Guelph Canada

The.2,4-D choline.glyphosate.DMA formulation has re.uce. drift and volatility compare. to the.amine.or e.te. formulation of 2,4-D and the.e.ore.is advantage.us compare. to a tank mix of 2,4-D amine.or e.te. with glyphosate. The.obje.tive.of this re.e.rch was to compare.the.control of glyphosate.susce.tible.and glyphosate.re.istant Canada fle.bane.with 2,4-D choline.glyphosate.DMA with 2,4-D amine. glyphosate. and a tank mix of 2,4-D amine.and glyphosate. Te. rate. of 2,4-D amine.(0 - 6708 g·ae.middotha-1), glyphosate.(0 - 7052 g·ae.middotha-1), a tank mix of glyphosate.plus 2,4-D amine.(0 - 7052 g·ae.middotha-1 + 0 - 6708), and 2,4-D choline.glyphosate.DMA (0 - 13760 g·ae.middotha-1) we.e.e.amine. in the.gre.nhouse.for the.control of two susce.tible.(GS) and two re.istant to glyphosate.(GR) Canada fle.bane.biotype.. The.tank mix of 2,4-D amine.plus glyphosate.and 2,4-D choline.glyphosate.DMA provide. e.uivale.t control of the.GR Canada fle.bane.biotype. at 35 days afte. the.application (DAA). The.2,4-D choline.glyphosate.DMA tre.tme.t was more.e.ficacious than the.tank mix on the.GS biotype.. Glyphosate.(880 g·ae.middotha-1) provide. 50% and 100% control of the.re.istant and susce.tible.biotype., re.pe.tive.y. The.2,4-D choline.glyphosate.DMA formulation and the.tankmix of 2,4-D amine.and glyphosate.provide. similar control of GR Canada fle.bane.

关键词： e.list Glyphosate Re.istant He.ght Injury Se.d Moisture Yie.d

Control of Canada fle.bane.(Conyza canade.sis) with glyphosate.DMA/2,4-D choline.applications in corn (Ze. mays)

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Agricultural Scie.ce. 2014年第1期5卷 77-83页

作者： Laura Ford Nade. Soltani Allan McFadde. Robe.t e. Nurse.darren e. robinson Pe.e. H. Sikke.a Agriculture.and Agri-Food Canada Harrow Canada Dow AgroScie.ce. Canada Inc. Guelph Canada Unive.sity of Gue.ph Ridge.own Campus Ridgetown Canada

Glyphosate.re.istant (GR) Canada fle.bane.(horse.e.d) has quickly spre.d across southwe.te.n Ontario and is a difficult we.d to control in GR crops. Glyphosate.dime.hylamine.(DMA)/2,4-D choline.(e.list Duo?TM Dow AgroScie.ce. LLC), a ne. he.bicide.pre.ix de.e.ope. by Dow Agro Scie.ce., provide. control of GR and othe. proble.atic we.ds. The.obje.tive.of this study was to compare.single.and se.ue.tial applications of glyphosate.DMA/2,4-D choline.for the.control of GR Canada fle.bane.in GR corn. Thre. single.applications of glyphosate.(DMA)/2,4-D choline.(1720 g·ae.ha-1) we.e.e.aluate.: 1) pre.lant (PP) applie. to Canada fle.bane.up to 10 cm diame.e./he.ght, 2) postplant 1 (POST 1) applie. whe. Canada fle.bane.was up to 20 cm tall and 3) postplant 2 (POST 2) applie. up to 30 cm tall Canada fle.bane. Four se.ue.tial applications we.e.also e.amine.:1) PP followe. by (fb) POST 1, 2) PP fb POST 2, 3) POST 1 fb POST 2 and 4) PP fb POST 1 fb POST 2. The.single.applications provide. 69%-86% control of the.GR Canada fle.bane.while.the.se.ue.tial applications incre.se. control to 92%-100%. Thre. applications did not provide.an incre.se.in control ove. a se.ue.tial two-pass application at 8 we.ks afte. the.application (WAA). Re.ults from this re.e.rch indicate.that a se.ue.tial 2-pass application of glyphosate.DMA/2,4-D choline.provide. acce.table.control of GR Canada fle.bane.in corn.

关键词： e.list Glyphosate Re.istant He.ght Injury Se.d Moisture Yie.d

e.ficacy of 2,4-D Choline.Glyphosate.Dime.hylamine.on Glyphosate.Re.istant Canada Fle.bane.(Conyza canade.sis) at Diffe.e.t Size.

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Ame.ican Journal of Plant Scie.ce. 2014年第18期5卷 2755-2763页

作者： Laura Ford Nade. Soltani darren e. robinson Robe.t e. Nurse.Allan McFadde. Pe.e. H. Sikke.a Unive.sity of Gue.ph Ridgetown Campus Ridgetown Canada

Glyphosate.re.istant (GR) Canada fle.bane.has spre.d quickly across southwe.te.n Ontario and ne. strate.ie. for the.control of this compe.itive.we.d must be.de.e.ope. e.pe.ially in no-tillage.crops. A pre.ix of 2,4-D choline.and glyphosate.dime.hylamine.(DMA) has be.n de.e.ope. for application on tole.ant corn, soybe.n and cotton crops that provide. an option for the.control of this proble.atic GR we.d. The.obje.tive.of this re.e.rch was to de.e.mine.the.re.uire. dose.ne.de. to e.fe.tive.y control GR Canada fle.bane.at diffe.e.t size.cate.orie. in fie.d and gre.nhouse.e.pe.ime.ts. In the.fie.d e.pe.ime.ts, nine.rate. of 2,4-D choline.glyphosate.DMA (53.8 to 13,760 g·ae.ha-1) we.e.applie. to GR Canada fle.bane.that we.e.10 cm in diame.e./tall, 20 cm tall or 30 cm tall. Similarly, in the.gre.nhouse. se.e. rate. of 2,4-D choline.glyphosate.DMA (0 to 3440 g·ae.ha-1) we.e.applie. to 10, 20 and 30 cm tall GR Canada fle.bane.plants. The.thre. diffe.e.t size.classe. of GR Canada fle.bane.re.ponde. similarly to 2,4-D choline.glyphosate.DMA in the.fie.d e.pe.ime.t. In the.gre.nhouse.the.e.we.e.some.diffe.e.ce. in control for the.thre. size.classe. of GR Canada fle.bane.with 2,4-D choline.glyphosate.DMA;the.20 and 30 cm tall plants re.uire. similar rate. to provide.e.uivale.t control, but the.10 cm plants re.uire. a lowe. rate. In all situations, gre.te. than 1720 g·ae.ha-1 of 2,4-D choline.glyphosate.DMA was re.uire. to provide.95% control of 10, 20 and 30 cm tall Canada fle.bane.in gre.nhouse.(35 DAA) and fie.d e.pe.ime.ts (8 WAA), re.pe.tive.y.

关键词： Glyphosate Re.istance Multiple He.bicide.Re.istant Crops Pre.lant He.bicide. Poste.e.ge.ce He.bicide.

Control of volunte.r adzuki be.n in soybe.n

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Agricultural Scie.ce. 2012年第4期3卷 501-509页

作者： Christophe. Krame. Nade. Soltani darren e. robinson Clare.ce.J. Swanton Pe.e. H. Sikke.a Unive.sity of Gue.ph Ridgetown Campus Ridgetown Ontario Canada N0P 2C0

The.obje.tive.of this re.e.rch was to e.aluate.the.e.ficacy of various pre.e.e.ge.ce.(PRe. and post-e.e.ge.ce.(POST) he.bicide. for the.control of volunte.r adzuki be.n (Vigna angularis (Willd.) Ohwi & Ohashi) in soybe.n (Glycine.max L.). Trials we.e.conducte. at two locations in 2005, 2006, 2007, and 2009. e.pe.ime.ts we.e.arrange. in a randomize. comple.e.block de.ign with e.the. five.PRe.or nine.POST he.bicide.. Volunte.r adzuki be.n inte.fe.e.ce.in soybe.n re.ulte. in yie.d loss of up to 25%. Cloransulam-me.hyl, linuron, me.ribuzin, flume.sulam, and imaze.hapyr applie. PRe.provide. up to 6, 24, 14, 8, and 0% control, re.pe.tive.y at 8 we.ks afte. e.e.ge.ce.(WAe., while.acifluorfe., fome.afe., be.tazon, thife.sulfuron-me.hyl, cloransulam-me.hyl, imaze.hapyr, and imaze.hapyr plus be.tazon applie. POST provide. 2, 2, 5, 34, 6, 4, and 12% control, re.pe.tive.y at 8 we.ks afte. application (WAA). Ge.e.ally, with the.afore.e.tione. he.bicide., soybe.n yie.d was e.uivale.t to the.we.dy control and soybe.n grain contamination with adzuki be.n se.d was consiste.tly above.the.1% maximum thre.hold. Chlorimuron-e.hyl and glyphosate.applie. POST provide. up to 84 and 94% visual control at 8 WAA, re.pe.tive.y, de.re.se. adzuki be.n de.sity, biomass, and se.d production, and ge.e.ally de.re.se. soybe.n contamination with adzuki be.n be.ow the.1% thre.hold. The.only he.bicide. e.aluate. in this study that controlle. volunte.r adzuki be.n in soybe.n we.e.chlorimuron-e.hyl (9 g ***-1) and glyphosate.(900 g ***-1) applie. POST. All the.othe. PRe.and POST he.bicide. e.aluate. did not provide.ade.uate.control of volunte.r adzuki be.n in soybe.n.

关键词： Acifluorfe. Be.tazon Chlorimuron-e.hyl Cloransulam-Me.hyl Flume.sulam Fome.afe. Imaze.hapyr Linuron Me.ribuzin Pre.e.e.ge.ce Post-e.e.ge.ce Thife.sulfuron-Me.hyl

Control of Glyphosate.Re.istant Wate.he.p with Two-Pass We.d Control Strate.ie. in Glyphosate.Dicamba-Re.istant Soybe.n

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Ame.ican Journal of Plant Scie.ce. 2018年第7期9卷 1424-1432页

作者： Brittany K. He.ge. Nade. Soltani David C. Hooke. darren e. robinson Pe.e. H. Sikke.a Unive.sity of Gue.ph Ridgetown Campus Ridgetown Canada

Wate.he.p is a small-se.de., dioe.ious, broadle.f we.d that e.e.ge. throughout the.growing se.son. If le.t uncontrolle., wate.he.p inte.fe.e.ce.can re.uce.soybe.n yie.d up to 73%. Glyphosate.re.istant (GR) wate.he.p was first discove.e. in one.county in Ontario in 2014;as of 2017, it has be.n found in two othe. countie.. Glyphosate.dicamba-re.istant soybe.n can be.spraye. with glyphosate.and/or dicamba pre.lant (PP), pre.me.ge.ce.(PRe. and/or poste.e.ge.ce.(POST). The.obje.tive.of this study was to de.e.mine.the.control of GR wate.he.p in glyphosate.dicamba-re.istant soybe.n with PRe.re.idual he.bicide., glyphosate.dicamba applie. POST or a two-pass program of a PRe.re.idual he.bicide.followe. by glyphosate.dicamba applie. POST. At 8 we.ks afte. application (WAA), pyroxasulfone.(150 g ai ha-1), S-me.olachlor/me.ribuzin (1943 g ai ha-1), pyroxasulfone.sulfe.trazone.(300 g ai ha-1) and flumioxazin/pyroxasulfone.(240 g ai ha-1), applie. PRe. re.ulte. in 71%, 85%, 82% and 90% GR wate.he.p control, re.pe.tive.y. The.same.PRe.he.bicide., followe. by glyphosate.dicamba (1800 g ae.ha-1) POST, improve. control to gre.te. than 96%. This study conclude. that a two-pass program of an e.fe.tive.soil applie. re.idual he.bicide.followe. by glyphosate.dicamba POST controlle. GR wate.he.p in glyphosate.dicamba-re.istant soybe.n.

关键词： Wate.he.p Soybe.n Glyphosate Re.istance Glyphosate Dicamba

Control of Glyphosate.Re.istant Giant Ragwe.d (Ambrosia trifida L.) with Isoxaflutole.and Me.ribuzin Tankmix

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Ame.ican Journal of Plant Scie.ce. 2016年第6期7卷 916-927页

作者： Scott Ditschun Nade. Soltani darren e. robinson François J. Tardif Allan C. Kaastra Pe.e. H. Sikke.a De.artme.t of Plant Agriculture University of Guelph Guelph Canada Unive.sity of Gue.ph Ridge.own Campus Ridgetown Canada Baye. Crop Scie.ce.Canada Guelph Canada

Five.fie.d trials we.e.conducte. ove. a two-ye.r pe.iod (2013, 2014) to de.e.mine.the.control of glyphosate.re.istant (GR) giant ragwe.d with isoxaflutole.(IFT) and me.ribuzin (MTZ) applie. alone.and in combination. Tre.tme.ts we.e.de.igne. to asse.s the.dose.re.ponse.of an IFT plus MTZ tank-mix as we.l as e.ch che.ical applie. alone.to classify the.re.ponse.using Flint’s adaptation of Colby’s e.uation. Two factor factorial e.pe.ime.ts we.e.pe.forme. in the.growth room to asce.tain the.re.ponse.of IFT ve.sus glyphosate. IFT ve.sus MTZ, and IFT plus MTZ ve.sus glyphosate.on single.plants. Fie.d e.pe.ime.ts e.aluate. the.control of GR giant ragwe.d with IFT plus MTZ in tank-mix in a 1:4 ratio. The.rate.of IFT plus MTZ for 80% control of GR giant ragwe.d at 4 and 8 we.ks afte. application (WAA) was 518 (104 g a.i. ha-1 IFT + 414 g a.i. ha-1 MTZ) and 631 g a.i. ha-1 (126 g a.i. ha-1 IFT + 505 g a.i. ha-1 MTZ), re.pe.tive.y. A rate.of 668 and 467 g a.i. ha-1 was re.uire. to re.uce.GR giant ragwe.d de.sity and biomass by 80%, re.pe.tive.y. Fie.d e.pe.ime.ts e.aluating the.control of GR giant ragwe.d with tank-mixe. of IFT plus MTZ, whe.e.glyphosate.was a constant tank-mix partne., we.e.mostly syne.gistic. Howe.e., the.low tank-mix rate.(52.5 + 210 g a.i. ha-1) had an additive.re.ponse.for GR giant ragwe.d biomass re.uction. Whe. te.te. in the.gre.nhouse.and growth room, glyphosate.susce.tible.(GS) giant ragwe.d showe. some.antagonism with glyphosate.and isoxaflutole.tank-mixe. at rate. le.s than comme.cial fie.d rate.. GR giant ragwe.d showe. an additive.re.ponse.across all tre.tme.ts in the.growth room. Gre.nhouse.e.pe.ime.ts e.aluating IFT ve.sus MTZ and IFT plus MTZ ve.sus glyphosate.re.e.le. all tank-mix tre.tme.ts to be.syne.gistic at 2 WAA.

关键词： Additive Antagonistic Giant Ragwe.d Glyphosate He.bicide.Re.istance Soybe.n Syne.gistic Yie.d

Activity of Isoxaflutole.plus Me.ribuzin Tankmixe. in Isoxaflutole.Re.istant Soybe.n

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Ame.ican Journal of Plant Scie.ce. 2019年第8期10卷 1350-1373页

作者： Andre. Smith Nade. Soltani David C. Hooke. darren e. robinson Allan C. Kaastra Pe.e. H. Sikke.a Unive.sity of Gue.ph Ridge.own Campus Ridgetown ON Canada Baye. Inc. Guelph ON Canada

Isoxaflutole.re.istant soybe.n is curre.tly in de.e.opme.t for comme.cialization in North Ame.ica. Proposals to use.isoxaflutole.+ me.ribuzin as the.main he.bicide.tank-mixture.raise.conce.ns as the.e.is limite. grass control with the.e.he.bicide.. Strate.ie. are.ne.de. to improve.grass control with isoxaflutole.+ me.ribuzin. Nine.e.pe.ime.ts we.e.conducte. ove. a two-ye.r pe.iod (2017, 2018) to de.e.mine.the.e.ficacy of isoxaflutole.+ me.ribuzin (52.5 + 210 g a·i· ha-1) applie. alone.and co-applie. with pe.dime.halin, dime.he.amid-P, pe.hoxamid, pyroxasulfone.or S-me.olachlor applie. pre.me.ge.ce.(PRe.. Comparisons we.e.made.with isoxaflutole.+ me.ribuzin at a low rate.(52.5 + 210 g a·i· ha-1), me.ium rate.(79 + 315 g a·i· ha-1) and a high rate.(105 + 420 g a·i· ha-1). e.ght we.d spe.ie. we.e.e.aluate. including common lambsquarte.s, gre.n and re.root pigwe.d, common ragwe.d, ve.ve.le.f, gre.n and giant foxtail, ye.low foxtail, barnyardgrass and witchgrass. All he.bicide. we.e.affe.te. by amount of rainfall following application;le.s rainfall re.ulte. in re.uce. we.d control. The.addition of pe.dime.halin, dime.he.amid-P, pe.hoxamid, pyroxasulfone.or S-me.olachlor to the.low rate.ofisoxaflutole.+ me.ribuzin provide. e.uivale.t control of all we.d spe.ie. e.aluate. compare. toisoxaflutole.+ me.ribuzin at the.low, me.ium, or high rate.

关键词： Glyphosate Re.istance HPPD Transge.ic Soybe.n Cultivars Pre.me.ge.ce He.bicide. Rainfall Soybe.n Yie.d We.d Manage.e.t

Biologically-e.fe.tive.Dose.of Tolpyralate.and Tolpyralate.plus Atrazine.for Control of Multiple.He.bicide.Re.istant Wate.he.p [Amaranthus tube.culatus(Moq.) J. D. Saue.] in Corn

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Agricultural Scie.ce. 2021年第4期12卷 424-443页

作者： Christian Wille.se.Nade. Soltani Bre.dan Me.zge. David C. Hooke. Amit J. Jhala darren e. robinson Pe.e. H. Sikke.a De.artme.t of Plant Agriculture University of Guelph Ridgetown ON Canada De.artme.t of Agronomy and Horticulture University of Nebraska-Lincoln Lincoln NE USA

The.biologically-e.fe.tive.dose.of tolpyralate. a ne. 4-hydroxyphe.yl-pyruvate.dioxyge.ase.(HPPD)-inhibitor, applie. alone.or tank-mixe. with atrazine. for the.control of multiple.he.bicide.re.istant (MHR) wate.he.p [e.>Amaranthus tube.culatuse.> (Moq.) J. D. Saue.] has not be.n studie. in corn. Se.e. fie.d e.pe.ime.ts we.e.conducte. during a thre.-ye.r pe.iod (2018, 2019, 2020) in Ontario, Canada with MHR wate.he.p to de.e.mine. 1) the.dose.re.ponse.of MHR wate.he.p to tolpyralate.and tolpyralate.plus atrazine. and 2) the.re.ative.e.ficacy of tolpyralate.and tolpyralate.plus atrazine.to post-e.e.ge.ce.corn he.bicide., dicamba/atrazine.(500/1000 g·ha−1) and me.otrione.+ atrazine.(100 + 280 g·ha−1). Tolpyralate.+ atrazine.(120 + 4000 g·ha−1) cause. 13% corn injury at one.site.two we.ks afte. application (WAA), which was obse.ve. as transie.t foliar chlorosis and ble.ching of ne. le.ve.. At 12 WAA, the.pre.icte. dose.of tolpyralate.for 50% control of MHR wate.he.p at Cottam and on Walpole.Island was 8 and 2 g·ha−1, re.pe.tive.y;the.pre.icte. dose.of tolpyralate.+ atrazine.for 50% control of MHR wate.he.p at Cottam and on Walpole.Island was 5 + 160 and 1 + 21 g·ha−1, re.pe.tive.y. The.diffe.e.ce.in pre.icte. dose.at the.two site. is like.y due.to diffe.e.ce. in MHR de.sity and re.istance.profile. Applie. at the.re.iste.e. rate. tolpyralate.(30 g·ha−1) an

关键词： Biological e.fe.tive.Dose Biomass De.sity Multiple.He.bicide.Re.istant We.d Manage.e.t