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Weeds 163 <br />ListedNoxious <br />do State- Cirsium arvense) <br />APPendtx A: pr°files of Colora thistle ( <br />Canada tilde is <br />d ~ flower bud <br />However, translocation of dt <br />is the gteates~~ a ~~$ applicati°n atoun contol <br />slacation odinYpUr rotnmended. will effectively <br />~ cre <br />entanece of opal] <br />shoot to r ~ fas a dry Pen lowest, is to f 2-3 qu sta <br />and fall when ors. es era at aeirlied at a mCanadathistle plants ate <br />late stunmer 1 e) whten °oQ oarbohY~te to ~ytail~) FF n rfotm eg~icted <br />dependent on moist so commonly sold as <br />li <br />stage (ear Y ~ lid+ 2,a D ( either 1~ aPPlted~~ th;~ a zootsg ieditions when Se.tn°hes ta~ ana pG op~°"t <br />win <br />C1oPYrd 1 should when G ree mawin~tmCanada thistle is ~ after the lashmo <br />be ed to e <br />Canada thistle. C' ~ fa11(Getobez) ~ one month old <br />P,tlt stage) or in roceededbY ~O$e~ ri m°win8°bet of abo zing aePalications aitacte in the sP~tr 1, <br />gjO be imPYOV~ when P ttan 2000}. il m ~ or fall SP Ye of l lb• ed eon <br />can Beck an ~ 1996}• APPS CuTta Te iA the sp?tng hen applied at ta11)• Foc increas <br />dS 1 <br />(peak oath intervals (B a ram of y3 to Pcloram are effecusta$~ (about 10-15 inches e„ seeds. Quickly <br />one m be applied a es. 2,A^U oc P bud ~°wth of Plan" basing ` weed fre <br />done can stag d to eaz1Y ent {egzowth always P°rc <br />tobud growth ° 1 to P~ Y <br />thiste is ~ flt~~rth i 4 as °f Gan ttistte seeds by ed toot s stem <br />Casette ade awel]-develop <br />when Canadaicamba (11b• ~ to form 1 efforts should <br />mt{eatwith Redu achance des. Cvnuo dfew <br />Cul~rallprev ~~dlings befpYe ttteY have a of certain hezbici native species an <br />irate new restrict the us that contain mDStlready infested tedto reflect <br />elim 5 rite as tray <br />aria em n ow inll et are first (tYPtGa11y leas (areas the ~ ees shouldbe ade~btcides,but <br />The tendency of this sp ~~ in i~-qua Con o~ g lweL 4~1i Management stta g ess of m°stah of control to <br />m Can <br />on <br />target Cana~ypecies) and ~ e £ er desirable s1~~oughte~espTep°b~ng ~ItutakastemP° ilea awing seas da <br />undasicaU le species and h ° 1998)• FOr e%amPttols (e•g'> mowt dies have recorde ens the second gr <br />ltndesita cat con Several stu anent condi • <br />et condtnons (N ech d 4s affaotive• m ~e Pre-tx <br />weatlt a effectivenae~s, culaz med` see page 60. <br />tdetezm~e wh°~er a F of control followedb ~istlntrol, rla. <br />firstY~ le ofGanada lRes°mcesSeries> <br />thistle m the For one examF html L24 Tan 00]. <br />~~ya 1998), ExtensionNatura <br />nnye 108• <br />grate Utuvetst~S~AT~$103 ade thistle <br />Ra orence ColO~eptslCooPExtJP tcides to control Can <br />~C,• 1996. Canada0'tstle. teed liedhatb <br />Ilwww •cOlosta owing and fall-app pocky <br />Beck, 3.108.http~ Cpmbinin$r° ch`N°tkUmt, erstonl2 <br />2000. lnptess. c~gesear elfeist N <br />and 7.R• gebasna ypeed TechnologY• ~•ybedFiie andFirn Effie fs.fed.usldatab~ <br />Beck,R••C.. ease)• ce. http:llwww. <br />s <br />(Cirsium m^' rem • 1996. pres orest $ervi Flames, I.O. Evan > <br />~ormationSYs roducex)>U5F nuol.InL• <br />pE1S • Fire Eff ~ n Research Station (P tstle eo 9 G4• <br />ade th polder, <br />Mowt Leino. 1991. C wesrview press, f Ptaas <br />Mar 98]• Hoefer, p W' gpnge Weeds• radian Journal ° <br />C•,R.S.1'deAllister> Mild, ~• p1°xu~us erase (L,} Scop. <br />Haderlie,L•H•~Phs andR.'n• 13. Cirsium aN weeds <br />M adia° weeds. a Consen'a"~, Wblpan98]• <br />The biology °f Gan 1 L <br />na <br />pore, R.l. 1975. 8 far Cirsium an'e"se' a fey docslcirsarve tt <br />M 85:1033-10A • ucdavis, of Rocky MO~tain Pat to <br />Science. yrdship abstract pmcweeds. lyorthem rn e <br />Elem <br />N~° V . 1998• n,ont & R~ ~chptogram• ham' Assessment of Exa w S~ e ~tvessity. 97~xplantJexPlat'tbttt' <br />Mna~ el.endon• NOYe~osYs~1T5°ien npwccu gs,govltesoutcetothtda <br />tledge~C.R.and~entafRan$eomepage.httF:ttvrw`N• ~pazket• WesternU~~d <br />Ru park. Dap CentetH ~p•Lee, ~yitlrtl1° <br />tfe Regear°h B.E. Nelson> coopera<ion <br />wildl pec98]• ~,z,7•CndneY• k GA, <br />N ' <br />~etsion 15 11, 5.A• pewcy, of Wed Services,n ewer <br />D (ed>>L.C.Bum westerne~~eE,xtension <br />~vhitson,~istle. y1+eeG an iUru a slues Coop <br />States Land <br />