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Page I 1 0l ?3 <br />Chemical Cnntrul of Russiun h:napwmd <br />Appcutiix I <br />In most circumstances, an hcrhicide nlonc will not clTec hveh manage Russran knapwecd However, then <br />mny be situations where desirable plants wnhin a Russian knapwced mfestanun may compcKC efTectivdy <br />with the weed iF it is strtssrd wnh a single west managemem techniyuc N'hcn mtcgrnting chemical and <br />culhrntl control, avoid using hrrlncide recces that injure grasses bemuse cHT~~tive axnpstittiun will he <br />reduced <br />Russian knapweed is contrullcxl u?th -toucan ?2K (pidnram) at 1 to ? quarts'.A fordon mev be broadcast <br />sprtvtd up la I yuartl.4 or spa sprtycd et rakx up to 2 quanvA Tnrdun plus 2A-I) (I to 15 pink • I <br />yuan'A I nl:~+ will contn?I Russtan knapwerd If low rates ul' Tnrdon or Tordnn plus 2.d-D 'ere used. <br />applicnnun tin two conxcutive years may hr nccessnrv to nchreve adequme control Apph fordon any <br />tune the wrxd is actively growing <br />fur T'elnr Ichlursulfw'on1, a nnncrop hc~thicide thnt ctxttrols Russian knnpw eed. apphcahun timing is <br />critical Apply (I ounetiA) when Russrnn knapueed is m the hlotmt to posthltx?m stage Enrlier <br />applicauom do not control the weed ctTecuvely Fnll is a gtxx! hme m:tpply Telar, but it may injure smwth <br />brume ui other brume spttits :1lwnvs add n good egrtcuhurnl surfnctnnt :u 0.25 to 0,5 percent v!v to the <br />sprny suluuon t~xun (mcnulfurctnl n labeled for pasture and rangeland use Apply it at 0 75 to I ounceGl <br />Wldl a g+hxl agi'1CUItnI'nl xrrtactant Optnnum Wining for Fscon t» stmtlar to Tdnr <br />~lrchaniral t bntrnl of Russian hnapwecd <br />Russian knapwttd tends to tinm montx'.ulnucs rend usually chmtnates other plants Tltercfurc, x+wing <br />desuablc plant spccres is necessary atler the weed is cnnlrollsd Smooth bnxne wdl compao with Russian <br />knapwttd Rc»earch shows that streamhank whwtgrasc, thickspikc wheatgnss, crested tshcatgra~s and <br />Russian wildryc estahbxhrd ath~ Russiun knnpwr.•ed was suppressed wtdt hcti+ieules Std-fixntintt <br />perennial unusek like sueamhnnk or thtckspike wheatgra»scs, help prevent rcinvasion better than hunch <br />gras»cs li{.e crtsled uheatgmss <br />If the Russian knapweed stand is nol uxi old anA grasses arc sell present, stimulating grass growth by <br />imgaucrn Iwhcrc possrble) shtwld increase grass compchtion with knapweal end ktrp the weed under <br />continual stress <br />Sputteci knapweed <br />