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r;tgc I : trr2i <br />)lnnngemenl <br />I hti'use and slxrttcd knapwctid can he managed simdurly '1 hey are readily :ontiulleJ ++ <br />I lo++rv cr. the weeds will rcinvadr antes. cuhural tcchniyucs are used <br />('heroical <'ontrol of DiRuseJ knapwrrd <br />Appendix I <br />Rcscanh u.>nducted at Colorado Swte l nn•crvty mdte:Jey that I'ordon 22K Iprcloram) al I to Z pdA. <br />llausbnc t+a opvralid) at 0 d7 ro I ptiA. Curtail Iclopyi nlid ~ 2.•i-DI nt .i to 6 pVA, ur <br />Hmrsel~\'anquish'('lanry Idicambal m I In? pUA control dd1'usr knapwetd 'lank mires of <br />Bnn.d'\'anyuislv('larity plus :.3-D at 1 pt • . pU~\ ur Bamcl.l'anywsh:Clarih plus 7ordun .ZK at I tn: <br />pt • u ± to I pV~\ or I'txdtro plus_ a-D at U 7~ pt • ? pVA :dl ecmtrol Jitlusc knapwerd Ihrsc tank•mirc< <br />may save nxmr+ anJ reJuce grass miurv rcudting from higher use rates of a xmglc hcrtricrdc <br />Spotted knap~+eed and diflusr knapweed generally occup+ the same arras in Cu!orada sa the lime <br />hc•rbicidr urarmans can br apphrd 11`ml s:icnii.l+ at ~tunrana titntc I IIHCI>II+ IIIlI1CaIB IIIaI I ill%n Of <br />1 ordon to ?~ Ih) mmrols spMted knnpweed for Iwo w three years, but the wettl wJl temvade the urea <br />unless other management uchmyues ore used <br />1lfechauical Control of DiRusrd KnapwrrJ <br />If Jcstrahlr grass cominttuon rs cvtrknt m difl•use or sp+Nlcd knapwttd stands. tudicirqu hrrtgndc <br />npphruhun Ihnt day. nr8 injure grasses may allow them to compete cll'ectivrly wuh the weeds Imy,ation <br />(where posstblcl rnav help stimulate grass competition m these casts Ho+scvcr, infested rangeland or <br />paslmcs often arc JegraJed. allowing knxpwc<nl im',uum. unJ hrrMcrday alsare will nut resurtc the InnJ to n <br />pngiucus c state Seafmg surtahlc percnmrd grasses rs accessary to prevent wtrJ retnvaston <br />~~C~~IIK' (I)il(~~1i\ <br />