Njira yatsopano yoperekera mankhwala ophera udzu ingathe kusintha momwe oyang'anira zaulimi ndi zachilengedwe amalimbana ndi udzu.
Njira yanzeruyi imagwiritsa ntchito makapisozi odzadza ndi udzu wobowoleredwa mu tsinde la udzu wowononga wamitengo ndipo ndi yotetezeka, yoyera komanso yogwira mtima ngati kupopera mankhwala ophera udzu, zomwe zingawononge thanzi la ogwira ntchito ndi madera ozungulira.
Amelia Limbongan yemwe amaphunzira maphunziro a PhD kuchokera ku yunivesite ya Queensland's School of Agriculture and Food Sciences adati njirayi ndi yothandiza kwambiri polimbana ndi mitundu yosiyanasiyana ya udzu, yomwe ikuwopseza kwambiri ulimi ndi msipu.
"Udzu wamitengo monga Mimosa bush umalepheretsa kukula kwa msipu, umalepheretsa kusonkhanitsa ndikuwononga nyama ndi katundu," adatero Mayi Limbongan.
Njira yopewera udzu imeneyi ndi yothandiza, yonyamula katundu komanso yothandiza kwambiri kuposa njira zina ndipo taona kale akatswiri angapo ogwira ntchito ndi makhonsolo akutengera njira imeneyi.”
Kusunthika ndi kuphweka kwa dongosololi, limodzi ndi mphamvu zake zotsimikiziridwa ndi chitetezo, zikutanthauza kuti mankhwala ophera udzu angagwiritsidwe ntchito m'malo osiyanasiyana padziko lonse lapansi.
"Njirayi imagwiritsa ntchito mankhwala ophera udzu ndi 30 peresenti kuti aphe udzu, ndipo ndi yothandiza ngati njira zogwirira ntchito zambiri, zomwe zidzapulumutse nthawi ndi ndalama zamtengo wapatali kwa alimi ndi nkhalango," adatero Ms Limbongan.
"Zitha kupangitsanso kuyang'anira bwino kwa udzu m'zaulimi ndi zachilengedwe padziko lonse lapansi, komanso kuteteza ogwira ntchito pochotsa kukhudzidwa kwawo ndi mankhwala ophera udzu.
"Pali msika wabwino kwambiri waukadaulowu m'maiko omwe udzu umasokonekera komanso komwe nkhalango ndi bizinesi, yomwe ingakhale pafupifupi dziko lililonse."
Pulofesa Victor Galea adati njirayi idagwiritsa ntchito makina opangira makina otchedwa InJecta, omwe adabowola mwachangu pa tsinde la udzu, ndikuyika kapisozi wosungunuka wokhala ndi mankhwala owuma a udzu ndikumata kapisozi mu tsinde ndi pulagi yamatabwa, kupitilira kufunikira. kupopera mbewu m'madera akuluakulu.
"Nthawiyi mankhwala a herbicide amasungunuka ndi madzi a zomera ndipo amapha udzu kuchokera mkati ndipo, chifukwa cha mankhwala ochepa omwe amagwiritsidwa ntchito pa capsule iliyonse, amachititsa kuti asatayike," adatero Pulofesa Galea.
“Chifukwa chinanso chomwe njira yobweretserayi ili yothandiza kwambiri ndi yakuti imateteza zomera zomwe sizikutsata, zomwe nthawi zambiri zimawonongeka mwangozi pogwiritsa ntchito njira zachikhalidwe monga kupopera mankhwala.
Ofufuza akupitiriza kuyesa njira ya capsule pa mitundu ingapo ya udzu ndipo ali ndi zinthu zingapo zofanana zomwe zimayenera kugawidwa, zomwe zingathandize alimi, nkhalango ndi oyang'anira zachilengedwe kuchotsa udzu wowononga.
"Chimodzi mwazinthu zomwe zayesedwa mu kafukufukuyu, Di-Bak G (glyphosate), zikugulitsidwa kale ku Australia pamodzi ndi zida zogwiritsira ntchito ndipo zitha kugulidwa kudzera m'malo ogulitsa zinthu zaulimi m'dziko lonselo," adatero Pulofesa Galea.
"Zogulitsa zina zitatu zikukonzekera kulembetsa ndipo tikufuna kukulitsa izi pakapita nthawi."
Kafukufuku wasindikizidwa mu Zomera (DOI: 10.3390/plants10112505).
Nthawi yotumiza: 21-12-03