Ibyatsi byumucanga nigiti "gifatika" gisa nicyatsi.Ubusanzwe yibasira ibyatsi bito cyane cyane mumyaka yumye.Kubwibyo, kurwanya neza iki cyatsi nicyatsi kibisi kandi cyiza.Ariko, niba ibyatsi byawe ari bito cyane muriyi mpeshyi kandi umusenyi wibyatsi byumwaka ushize nikibazo, koresha ibyatsi byica mbere yuko umusenyi ugaragara.Nyamara, ntabwo ibyatsi byose byabanjirije kugaragara bigira akamaro.Ibicuruzwa bitatu bishobora gufasha kugabanya ibyatsi ni ibyatsi, pendimethalin na propylene diamine.
Oryzalin igurishwa mwizina rya Ageruo.Irashobora gukoreshwa mubyatsi byose byizuba hamwe nibyatsi birebire bya fescue.Usibye fescue nibindi byatsi birebire bya fescue, ntibigomba gukoreshwa mubyatsi mugihe gikonje, nka bluegras ya Kentucky.Oryzalin irashobora kandi kugurishwa hamwe ninyungu nkigicuruzwa cya Green Light Amaze.Kimwe nicyatsi cyonyine, irashobora gukoreshwa mubyatsi byose byigihe cyizuba nicyatsi kirekire cya fescue.Usibye fescue nibindi byatsi birebire bya fescue, ntibigomba gukoreshwa mubyatsi mugihe gikonje, nka bluegras ya Kentucky.
Pendimethalin igurishwa nka Pendulum ku isoko, kandi hariho n'andi mazina menshi.Kuruhande rwa nyirurugo, igurishwa nka Scotts Halts.Nibyiza gukoresha Pendimethalin ukwayo, igice cya mbere kizakoreshwa ahagana ku ya 15 Mata, naho igice cya kabiri kizakoreshwa ahagana ku ya 1 Kamena.Cyangwa, kora progaramu yambere mugihe igiti cya bauhinia kimaze kumera, nibyumweru bitandatu nyuma yicyumweru cya kabiri.
Propylenediamine igurishwa mwizina ryubucuruzi Barricade.Igurishwa kandi nkibicuruzwa bya nyiri urugo Howard Johnson Crabgrass Control Plus na 0.37 Prodiamine 00-00-07.Irashobora gukoreshwa mubyatsi byacu bisanzwe.Ahagana ku ya 15 Mata cyangwa iyo bauhinia irabye, spartina iracyakoreshwa.Gusaba kimwe gusa birasabwa kumwaka.
Nta "herbicide" ishobora kugenzurwa rwose, ariko buri wese agomba gufasha.Quinclorac (Drive) irashobora gutanga igenzura nyuma yo kugaragara, cyane cyane iyo umusenyi bur uri murwego rwo gutera.