Incazelo Yososayensi: Ubhatata uyisitshalo esibalulekile emhlabeni wonke, kodwa usengozini ezinhlobonhlobo zamagciwane angabangela ukulahlekelwa okukhulu kwesivuno. Lesi sihloko sizonikeza umbono wamagciwane athinta ubhatata, umthelela wawo ekukhiqizeni izitshalo, nezindlela zokulawula nokuvimbela ukusabalala kwawo. Iwumhlahlandlela obalulekile wabalimi, izazi zezolimo namahlathi, onjiniyela bezolimo, abanikazi bamapulazi, nososayensi abasebenza kwezolimo. Ubhatata ungenwa amagciwane amaningana, okuhlanganisa i-sweet potato feathery mottle virus (SPFMV), i-sweet potato chlorotic stunt virus (SPCSV), kanye ne-sweet potato mild mottle virus (SPMMV). Ngokusho kwedatha yakamuva evela ku-International Potato Center, lawa magciwane angabangela ukulahlekelwa kwesivuno okungamaphesenti angama-80 uma engalawulwa ngendlela efanele. Ngokuvamile zisakazwa izinambuzane, njengezimpukane ezimhlophe kanye nama-aphid, futhi zingasakazwa nangezinto zokutshala ezinegciwane. Ukuze uvimbele ukusabalala kwala magciwane, kubalulekile ukusebenzisa izinto zokutshala ezingenazo izifo futhi wenze izinyathelo ezifanele zokukhucululwa kwendle, njengokususa izitshalo ezinamagciwane kanye namathuluzi okuhlanza phakathi kokusetshenziswa. Abalimi kufanele futhi basebenzise izibulala-zinambuzane ukulawula inani lezinambuzane ezingasabalalisa amagciwane. Enye indlela yokulawula amagciwane obhatata ukusebenzisa izinhlobo ezimelana nezifo. Ososayensi benze izinhlobo zikabhatata ezimelana namanye amagciwane avame kakhulu, njengezinhlobonhlobo zeBeauregard, ezimelana ne-SPCSV. Ukutshala lezi zinhlobonhlobo kungasiza ukunciphisa ingozi yokutheleleka futhi kunciphise ukulahlekelwa kwesivuno. Sengiphetha, amagciwane awusongo olukhulu ezitshalweni zikabhatata futhi angabangela ukulahlekelwa okukhulu kwezomnotho kubalimi. Ukusebenzisa izinto zokutshala ezingenazifo, ukwenza izinyathelo ezinhle zokukhucululwa kwendle, nokusebenzisa izibulala-zinambuzane nezinhlobonhlobo ezimelana nazo kuyizindlela ezisebenzayo zokulawula nokuvikela ukusabalala kwamagciwane kabhatata.