#planthealth #cropproduction #mosaicvirus #cauliflowermosaicvirus #foodsecurity #managementpractices #geneticresistance
Amagciwane kaMose ayizifo zezitshalo ezingathinta kakhulu ukukhiqizwa kwezitshalo, okuhlanganisa imifino nezithelo. Phakathi kwala magciwane, i-Cauliflower mosaic virus (CaMV) ingenye evame kakhulu futhi ebhubhisa kakhulu. Kulesi sihloko, sizohlola imithelela ye-CaMV empilweni yezitshalo, kanye nemiphumela engaba khona yokukhula kwayo.
I-CaMV iyilungu lomndeni i-Caulimoviridae futhi inezinhlobonhlobo zokusingatha, okuhlanganisa ama-crucifers, izitshalo ze-solanaceous, i-legumes, nezihlobiso. Igciwane lidala iphethini efana ne-mosaic ezitshalweni ezithelelekile, okuholela ekukhuleni okunciphile kanye nesivuno. I-CaMV ingase futhi ibangele ukukhula okuqinile, amaqabunga ahlanekezelwe, nokuhushulwa kwezimbali.
Ukuthuthukiswa kwe-CaMV kungenzeka ngezindlela ezehlukene, okuhlanganisa ama-vectors ezinambuzane, ukudluliswa kwembewu, nokusakazeka kwezitshalo. Izitshalo ezinegciwane zingasebenza njengendawo yokugcina igciwane, okwandisa amathuba okusakazeka ezitshalweni eziseduze. Uma isitshalo sesithelelekile, alikho ikhambi legciwane, futhi izindlela zokuphatha ezingcono kakhulu zihlanganisa ukuvimbela ukusabalala kwegciwane ezitshalweni ezinempilo.
Imiphumela yokuthuthukiswa kwe-CaMV ingaba mibi kakhulu, kuhlanganise nokuncipha kwesivuno sezitshalo kanye nokulahlekelwa kwezomnotho kubalimi. Ukwengeza, i-CaMV ingaba nomthelela omkhulu ekuvikelekeni kokudla, ikakhulukazi ezifundeni lapho ama-crucifers nezinye izitshalo zokusingatha kuyizitshalo ezibalulekile.
Ukuvimbela ukuthuthukiswa nokusabalala kwe-CaMV, abalimi bangathatha izinqubo zokuphatha eziningana, kuhlanganise nokushintshanisa izitshalo, ukusetshenziswa kwezibulala-zinambuzane, nokususwa kwezitshalo ezithelelekile. Ukwengeza, abacwaningi bahlola ukumelana nofuzo ku-CaMV ezitshalweni, ezinganikeza izixazululo zesikhathi eside zaleli gciwane.
I-CaMV iyingozi enkulu empilweni yezitshalo nasekukhiqizeni izitshalo, futhi ukuqonda imithelela yayo kubalulekile. Ngokwamukela izinqubo zokuphatha ezisebenzayo kanye nokuhlola izixazululo zesikhathi eside, singakwazi ukunciphisa imiphumela ye-CaMV futhi siqinisekise ukuvikeleka kokudla emiphakathini yomhlaba wonke.