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Page 2 of 23 <br />Leafy spume <br />Appendix I <br />w•"' ' <br />e ~ ~ <br />-~ <br />r, . _~ _ [! <br />.r. ~'.~ ~. _ j}~' <br />_ .. <br />. t .;t, ~ - <br />i <br />~r ~" • t y <br />,~ s ! ~• ~' ..~ .-iii <br />~.~ -~- , ' }p i <br />L Y. <br />r,; ~.; <br />--a:^? ::.1 ..,e Gc~;. '-11th 7 ~ •. , .,o. ~ - <br />Naua~emcnl <br />Leafy spurge a diflicuh w manage and can recover from almost any u+nuul etl2xt iheretixe. a <br />mnnagcmcnt schcnte that axrttnnes tcmtrrtl methods over fcxu to five pears rs rrxommrndrd Pxen after <br />that Iona, momu+r urlestauons lix recurrence and adopt a msintcnarrcc pre+grrm <br />Mechanical Control of Leafy Spurge <br />Vigonnrs grass gu+wlh is an unponant aspect of Ica(y spurge control (hrr•gra~mg strexses gmsscr and <br />makes them much Tess Competitive wnh weeds, leafy spurge in particular Irrigauon, where uppharblr, nwy <br />I;IVw grass growth and make it more competitive with Ienfv spurge <br />('hrmical ('rmind of Lcnfy ~pu rt!r <br />Poe optimum Icafv spurge Control, proper tinung ol'hertnCrdc appliCalwn rs unpcrauve Research (rum <br />North Dnl;ota Stale Univrrsnv indicates That iordun ?'_K IptClorant) 2A-D, 13amcUVanywsh4'lanty <br />(diwmbal me most cOrctive when appheri in spnng whin true tk;wers emerge (not just brans) Pall <br />appbcation to Irafv spurge u~growih also is good unung tin Ihrsc herbicides <br />Rcxrndup Iglyphusate) rs nu~st clToetive when appbed scquctmally I I o quart per acre I A) at one month <br />intervals, Coupled wide Intl grass sctsding ~1ake the lust apphwuorr at the beginning of luny and a second <br />eppliCati+m one month IutCY (k.casiunally, Irafv ,purge will « cover fmm these Rcwndup treatments An <br />application of',a-D (' U yuarvA) in Septrrnher can control regrowth Sow perenNal ~n~ses rti lale fall <br />(ordun is the roust cffrctiec herbicide ftu IC~Iy sporur control Tn;rt larEC, readily nccessrble arras wrlh I <br />yunnfA for three u+uxrr conscc•uuve years More rcrnorr areas may be treated with Z quartsrA for two <br />cunsrculive years ur once curry other ywr for there years, depending on Ieafy spurge reccwerY aflrr thr <br />