Umhlanga obomvu, ogama lakhe lesayensi ngu I-Rhinchophorus ferrugineus, isilwane (into efana nebhungane) okuthi, noma isigaba saso sabantu abadala singeyona ingozi emithini yesundu, izibungu ziba namandla kakhulu, kuze kuthi bangagcina benekhophi ngendaba yamasonto ambalwa kakhulu.
Njengamanje, sinezindlela zokwelapha eziningana ezilwa nomkhomo obomvu, wemvelo nowamakhemikhali. Kodwa ziyini?
Ukwelashwa kwemvelo ngokumelene ne-weevil ebomvu
I-Beauveria bassiana
Akukho okuningi okushiwoyo ngabo, kepha iqiniso ukuthi nabo bakhona, bayatholakala. Ngezikhathi ezithile okunye kuyavela, okuyizindaba ezinhle ngokungangabazeki kulabo abakhetha ukuphatha izitshalo zabo ngemikhiqizo yemvelo.
Ngokuphikisana nesikhumba esibomvu, lezi zingasetshenziswa:
- Amakhowe omuthi wesundu (kusuka ePhoemyc): Kungukulungiswa kwezinhlamvu zesikhunta iBeauveria bassiana okuthi, uma zike zahlangana nezibungu zalesi sinambuzane, ziqede. Inokukhethekile ukuthi, uma umuntu omdala noma isibungu esingenwe yilesi sikhunta, singathelela abanye.
Kubhekwa njengokwelashwa kokuvikela kunokwelashwa, kepha kungasetshenziswa uma sesivele sibone izikelemu ezibomvu ezintendeni zezandla zethu. Kumele ilashwe amahlandla ama-5 unyaka wonke. - I-Badipast-P (evela ku-Protecta): Kuwumcako omhlophe okuthi, kuya ngokufaka, ungaphatha izihlahla zesundu ezine izinyanga eziyisithupha.
- I-Emamectin endotherapy (kusuka ku-Paimed): Lo ngumkhiqizo omusha otholakala ngenqubo yokuvutshelwa kwe-microbial, esebenza kwizibungu. Kumele wenze ukwelashwa okukodwa ngonyaka.
Futhi lokhu akuwona umkhiqizo, kodwa iqhinga: ehlobo ungavikela izihlahla zesundu ukuqondisa ipayipi noma ukuchelela kungaba maphakathi nezitshalo, lapho kuzalwa iqabunga elisha. Amanzi azongena ehlathini, aminzise izibungu. Kepha lokhu kungenziwa kuphela, njengoba ngisho, ehlobo, ngoba kulapho izitshalo zikhula ngokushesha okukhulu. Uma bekwenziwe kwenye inkathi, besingalayisha izihlahla zesundu.
Ukwelashwa ngamakhemikhali ngokumelene ne-weevil ebomvu
Ake sivimbele izihlahla zethu zesundu zingapheli ngale ndlela.
Uma sikhuluma »ngemithi yokwelapha ngamakhemikhali» sisuke sibhekise kukho imishanguzo yokubulala izinambuzane esetshenziselwa ukubulala izinambuzane. Kufanele zisetshenziswe njalo zilandela imiyalo ebekiwe kupakeji, ngoba kungenjalo kungaba yingozi kunokuzuzisa. Ngokufanayo, kubalulekile ukuvikela izandla zakho, okungenani, ngamagilavu afana namagilavu ekhishi.
Yimuphi umuthi wokubulala izinambuzane osetshenziselwa ukulwa nesilevu? Ngokuyinhloko okubili: AmaChlorpyrifos e Imidacloprid. Kufanele usebenzise eyodwa kanye, futhi ngenyanga elandelayo usebenzise enye, ngoba lokhu kuzovimbela isinambuzane ekumelaneni nakho kokubili.
Sizoqala ukwelashwa ekuqaleni kwentwasahlobo, futhi sizobelapha okokugcina ekwindla, kuze kube unyaka olandelayo.
Ubuwazi ngalezi zindlela zokwelapha ezibhekene nesikhumba esibomvu sesundu?