Tsis ntev los no, Pest Management Regulatory Authority (PMRA) ntawm Kev Noj Qab Haus Huv Canada tau pom zoo muag thiab siv diflufenac thiab nws cov qauv SC500, SC600 thiab SC617, muab cov neeg ua liaj ua teb Canadian nrog kev xaiv tswj cov nroj tsuag zoo dua.
Pyflofenac yog ib qho kev xaiv fatty acid synthase inhibitor herbicide. Los ntawm inhibiting qhov kev ua ntawm phytoene dehydrogenase, carotenoids tsis tuaj yeem ua ke, ua rau cov nroj tsuag tuag. Hom tshuaj tua kab mob no muaj qhov ua tau ntev ntev thiab yog tus neeg sawv cev kho mob ua ntej thiab tom qab tshwm sim. Nws yog tsuas yog siv los tswj ntau hom nroj tsuag hauv nplej, nplej, barley thiab lwm yam qoob loo. Tus neeg sawv cev muaj kev nyab xeeb rau cov qoob loo.
Cov khoom xyaw nquag ntawm SC500 yog diflufenac, uas yog siv rau kev cog qoob loo ua ntej thiab ua ntej cov nroj tsuag tswj cov pob kws thiab taum pauv. Nws muab kev tswj xyuas thaum ntxov ntawm redroot pigweed, ntsuab pigweed, waterhemp thiab Palmer amaranth ntawm tus nqi ntawm 120-180 mL / ha, thiab tag nrho-lub caij tswj ntawm tus nqi ntawm 180-360 mL / ha. (Nrog cov nroj tsuag tiv taus ntau hom tshuaj tua kab mob)
Cov khoom xyaw nquag ntawm SC600 yog diflufenicon thiab mefenacet, uas yog siv rau kev cog qoob loo ua ntej thiab ua ntej cov nroj tsuag taum. SC617, nws cov khoom xyaw nquag yog diflufenac thiab isoxazofen, yog siv rau kev cog qoob loo ua ntej thiab ua ntej cov nroj tsuag ntawm cov pob kws. Raws li kev sib xyaw ua ke ntawm diflufenac thiab lwm yam tshuaj tua kab mob, ob yam khoom no muab kev tswj cov nroj tsuag dav dav thiab daws cov teeb meem tiv thaiv kab mob hauv pob kws (teb thiab noob) thiab taum pauv.
Daim ntawv thov ntawm no series ntawm herbicides txo cov nroj tsuag thaum ntxov sib tw rau seedlings, cia cov qoob loo kom tau txais dej ntxiv, tshav ntuj thiab cov as-ham. Tsis tas li ntawd, peb cov khoom npaj no txhua tus muaj cov av seem ua haujlwm thiab muaj kev lag luam dav dav.
Tau qhov twg los: AgroPages
