Ukusetshenziswa kakhulu kwekhefu lokuzala kabusha kwemvelo kanye nezitshalo zokumboza ekushintsheni kokulinywa kusho ukuthi umthwalo wokhula wolunye ukhula olunzima kakhulu kumazambane uyakhula e-UK. Ama-cleaver, isikhwama se-mayweed kanye ne-malusi, isibonelo, singakhula ngokushesha ngesizini eyodwa.
Abalimi bamazambane abazwa ingcindezi encane yentengo kule ntwasahlobo bangabheka ukwenza lula izingxube zokubulala ukhula ukuze bathole izinketho ezingabizi kakhulu zokuvela kwangaphambi kokuhluma, abameli. Syngenta Umphathi Wezobuchwepheshe, u-Andy Cunningham.
“Ukwethulwa kokubulala ukhula kwamazambane kwakamuva kunyuse izinketho zezazi zezolimo namahlathi. Ezimweni eziningi, nokho, izingxube ezilula zingafinyelela konke abalimi abakufunayo, ngezindleko eziphansi ezilinganiselwe, "uphakamisa.
“Ukhula oluningi oluyisihluthulelo oluthwala ukuvela kwamazambane kusenesikhathi lungalawuleka, kusetshenziswa amandla ezingxube ukuze kwandiswe i-spectrum yokhula oluthile,” weluleka.
Ukuhlolwa kwesizini yakamuva kubonise ingxube ye-Defy (prosulfocarb) ku-4.0 l/ha + metabromuron ngenani elincishisiwe elingu-1.0 l/ha, isibonelo, izuze ukulawula okugcwele kokhula olunamaqabunga abanzi oluhloliwe, okuhlanganisa i-chickweed, i-maweed, i-cleaver ne-malusi isikhwama semali. Ingcindezi yokhula engelashiwe evela kulezi zinhlobo yayingaphezu kwama-70 m ngayinye2.
Leyo nhlanganisela, ebiza nje u-£43 ehektheleni ngezintengo zamanje, ibisebenza kangcono nakakhulu uma kuqhathaniswa ne-Defy engu-3.0 l/ha kanye ne-metabromuron ngenani elingu-2.0 l/ha, okungabiza cishe u-£55/ha futhi kubonakale buthaka kancane. emigedeni. Ukusebenzisa i-Defy ku-4.0 l/ha plus metribuzin ku-0.5 l/ha nakho kunganciphisa izindleko, kodwa uhlolo lwabonisa ukuthi imiphumela iyonke kolunye ukhula ingancishiswa.
"Kubalulekile ukwazi i-spectrum yokhula oluqondiwe lapho uhlanganisa izingxube zezinto ezingabizi kakhulu kanye namazinga afanele," kweluleka uMnu Cunningham.
Kanye nohlobo olubanzi lokhula olunamaqabunga abanzi olulawulwa yi-Defy, iphinde inikeze ukulawula ukhula oluhlanganisa utshani be-meadow kanye ne-ryegrass. Ukusebenzisa izinga eliphezulu kwandisa umsebenzi wensalela futhi kusho ukuthi ukufaka kungenziwa kalula ngemva kokutshala, kuze kube yilapho inhlabathi iphakama phezu kwamahlumela amazambane ahlumayo, ukugcina amasimu ehlanzekile kuze kufike ukuhluma kwezitshalo.
Izivivinyo ezintsha zamazambane ze-Syngenta zesizini ka-2022 zizophenya ngenzuzo eyengeziwe yokulawula i-spectrum yokhula kusukela ekukhuphuleni amazinga e-Defy kuye ku-5.0 l/ha, ngezindleko ezithe xaxa esimweni esinengcindezi ephezulu, kanye nezixube nezibulala-khula ezintsha nezikhona. .
“Ezinye izinketho ezinemithi yokubulala ukhula emisha esivivinyweni zengeza imali engaphezu kuka-£100 ehektheleni, kanti ezinye ziphansi ngo-£20. Kubalulekile ukuhlekisa ukuthi ingxenye ngayinye inikela ngani, ukuze wenze izinqumo ezinolwazi olungcono esikhathini esizayo,” wengeza.
Ukuphindaphinda kokhula
Ngokwesibonelo, isitshalo sesikhwama sikamalusi esisodwa singakhiqiza imbewu engaphezu kuka-3000, futhi singakwazi ukugibela izizukulwane ezintathu ngebhayisikili ngesikhathi sonyaka uma singalawulwa. Imbewu iphila isikhathi eside futhi izovela ngokushesha lapho ilethwa phezulu ngokutshalwa kombhede wembewu yamazambane.
“Abalimi kumele baqaphele futhi ukuthi i- shepherd purse igcwele amabhamuza amhlophe, okungasatshalaliswa ezitshalweni zebrassica uma zitshalwa ngokushintshana,” kuxwayisa uMnu Cunningham. Nakuba kubonakala kulula ukulawula, umthwalo kanye nezindleko zokulawula ziyenyuka.