Ibyatsi bibi bishobora kurwanya dicamba bituma imiti yica ibyatsi iba ingirakamaro

Ibisubizo by'ibigeragezo bimwe na bimwe bya pariki muriyi mezi y'itumba n'itumba hamwe n'ibisubizo byubushakashatsi bwakozwe muri iki gihe cyihinga byerekanaga ko Palmer Palm imboga dicamba (DR) idashobora kwihanganira.Aba baturage ba DR bashinzwe mu ntara za Crockett, Gibson, Madison, Shelby na Warren ndetse no mu zindi ntara nyinshi.
Urwego rwo kurwanya dicamba ruri hasi cyane, inshuro 2,5.Mu murima uwo ariwo wose, urugero rwo kwandura rutangirira mu mufuka muto, aho igihingwa cy’ababyeyi cy’umugore cyabibwe muri 2019, kandi ubuso bungana na hegitari nyinshi.Ibi birashobora kugereranywa nimboga za mbere zanduye glyphosate zirwanya imboga za Palmer mar zabonetse muri Tennessee mu 2006. Muri icyo gihe, abahinzi benshi bari bagifite ubushobozi buke ku mboga za glyphosate Palmer mar, mu gihe ibindi bihingwa Umuntu yabonye guhunga mu murima we.
Igihe ibihingwa bya Xtend byagaragaye bwa mbere, ntibyari bisanzwe ko imboga za Palmer mar zihunga dicamba, yazimiye hose.Uku guhunga kuzakura gake cyangwa ntikure mubyumweru 2 kugeza kuri 3.Noneho, ibyinshi mubihingwa bizahishwa nibihingwa kandi ntibizongera kuboneka ukundi.Ariko, uyumunsi mubice bimwe, ibiryo bya DR Palmer mar bizatangira kongera gukura mumibare itigeze ibaho muminsi 10.
Bimwe mu bintu bidasanzwe bigize ubu bushakashatsi ni ugusuzuma ibyatsi bya DR muri pariki muri kaminuza ya Tennessee na kaminuza ya Arkansas.Ubu bushakashatsi bwerekana ko kwihanganira Palmer imboga zahunze dicamba ziva mu mirima myinshi muri Tennessee muri 2019 ni iya Palmer imboga zikura mu mbuto zegeranijwe muri Arkansas na Tennessee mu myaka icumi ishize.Inshuro zirenga 2.Ibizamini bya parike byakurikiyeho byakorewe muri kaminuza ya Texas Tech yerekanaga ko abaturage bakusanyirijwe mu ntara ya Shelby, muri Tennesse bihanganiye dicamba inshuro 2,4 kurusha Parma a i Lubbock, muri Texas (Ishusho 1).
Ibigeragezo byakorewe kenshi byakorewe kuri bamwe bakekwaho kuba muri Palmer muri Tennessee.Ibisubizo by'ibi bigeragezo byo mu murima byerekana ecran muri pariki, byerekana ko igipimo cya 1x dicamba cyo gusaba (0.5 lb / A) gishobora gutanga 40-60% Palmer mar kugenzura imboga.Muri ibi bigeragezo, ikoreshwa rya dicamba ryakurikiyeho gusa kunoza igenzura (Ishusho 2, 3).
Hanyuma, abahinzi benshi bavuga ko bakeneye gutera imboga imwe ya Palmer mar inshuro 3 kugeza kuri 4 kugirango babone uko bagenzura.Kubwamahirwe, raporo zerekana ko pariki nubushakashatsi bwakozwe byerekana ibyo abajyanama, abadandaza nabahinzi bo muri Tennessee babona mumirima.
Noneho, igihe kirageze cyo guhagarika umutima?oya.Ariko, igihe kirageze cyo gusuzuma imicungire y'ibyatsi.Ubu, gucunga ibyatsi ni ngombwa kuruta mbere hose.Niyo mpamvu dushimangira gukoresha imiti yica ibyatsi mu ipamba, nka paraquat, glufosinate, Valor, diuron, metazox na MSMA.
Mugihe dutegereje 2021, ubu birakenewe gukoresha neza ibisigazwa bya PRE spray kuri Palmer.Byongeye kandi, umudendezo ugomba gukoreshwa ako kanya nyuma yo gukoresha dicamba kugirango ukureho guhunga.Hanyuma, ubushakashatsi bwibanze bwerekanye ko DR Palmer mar nayo izarwanya 2,4-D.
Kubwibyo, ibi bituma Liberty yingenzi mubyatsi muri sisitemu yo kurwanya nyakatsi ya Xtend na Enlist ibihingwa.
Dr. Larry Steckel ni inzobere mu kwagura ibyatsi muri kaminuza ya Tennessee.Reba inkuru zose zabanditsi hano.


Igihe cyo kohereza: Ukwakira-23-2020