Mancozeb, mankhwala ophera bowa omwe amagwiritsidwa ntchito kwambiri pantchito zaulimi, apeza dzina lodziwika bwino la "Sterilization King" chifukwa champhamvu yake poyerekeza ndi mankhwala ena opha bowa amtundu womwewo. Ndi mphamvu yake yoteteza ndi kuteteza matenda oyamba ndi mafangasi mu mbewu, ufa wonyezimira kapena wopepuka wachikasu uwu wakhala chida chamtengo wapatali kwa alimi padziko lonse lapansi.
Chimodzi mwazofunikira za mancozeb ndi kukhazikika kwake. Sasungunuke m'madzi ndipo amawola pang'onopang'ono m'mikhalidwe yovuta monga kuwala kwambiri, chinyezi, ndi kutentha. Chifukwa chake, imasungidwa bwino m'malo ozizira komanso owuma, ndikuwonetsetsa kuti ikugwira ntchito bwino. Ngakhale kuti mancozeb ndi mankhwala a asidi opha tizilombo, kusamala kuyenera kuchitidwa powaphatikiza ndi mankhwala okhala ndi mkuwa ndi mercury kapena mankhwala a alkaline. Mgwirizano wa zinthuzi ukhoza kupangitsa kuti mpweya wa carbon disulfide upangidwe, zomwe zimapangitsa kuti mankhwala ophera tizilombo achepetse mphamvu zake. Komanso, ngakhale kuti mancozeb ili ndi kawopsedwe wocheperako, imakhala ndi vuto linalake kwa nyama zam'madzi. Kugwiritsa ntchito moyenera kumaphatikizapo kupewa kuipitsidwa ndi magwero a madzi komanso kutaya zonyamula ndi mabotolo opanda kanthu.
Mancozeb imapezeka m'njira zosiyanasiyana, kuphatikiza ufa wonyowa, suspension concentrate, ndi granule wamadzi. Kugwirizana kwake kwabwino kumapangitsa kuti isakanizidwe ndi ma fungicides ena a systemic, zomwe zimapangitsa kuti pakhale mawonekedwe amitundu iwiri. Izi sizimangowonjezera mphamvu zake zokha komanso zimachedwetsa kukula kwa kukana kwa mankhwala motsutsana ndi systemic fungicides.MAncozeb imagwira ntchito pamwamba pa mbewu, kuletsa kupuma kwa timbewu ta mafangasi ndikuletsa kuukira kwina. Zingafanane ndi "kupewa" mbali ya matenda a mafangasi.
Kugwiritsa ntchito mancozeb kwasintha ulimi popatsa alimi chida chothandiza kwambiri polimbana ndi matenda oyamba ndi mafangasi m'mbewu zawo. Kusinthasintha kwake komanso kugwirizana kwake kumapangitsa kuti ikhale yofunika kwambiri m'malo ankhondo a alimi. Kuonjezera apo, chitetezo chake chimapangitsa kuti zomera zikhale bwino, kuziteteza ku zotsatira zowononga za tizilombo toyambitsa matenda.
Pomaliza, mancozeb, "Sterilization King," akadali mankhwala odalirika komanso odalirika oteteza paulimi. Kuchita bwino kwake, kukhazikika kwake, komanso kugwirizana ndi mankhwala ena opha tizilombo kumapangitsa kuti alimi azitha kusankha njira zothetsera matenda. Pogwiritsa ntchito moyenera komanso kusungidwa moyenera, mancozeb akupitilizabe kugwira ntchito yofunika kwambiri poteteza thanzi la mbewu komanso kukulitsa zokolola.
Nthawi yotumiza: Jul-21-2023