Ukubola okomile cishe kuyimbangela ebaluleke kakhulu yokulahleka kwamazambane ngemuva kokuvuna emhlabeni jikelele. Ukubola okomile kubangelwa izinhlobo eziningana zesikhunta kuhlobo lwe-Fusarium, ngaleyo ndlela igama elithi Fusarium dry rot.
I-Fusarium dry rot ibonakala ngokukhanya kwangaphakathi kuya kokubola okunsundu okumnyama noma okumnyama (Umfanekiso 1) we-tuber yamazambane-futhi ngokuvamile yomile. Ukubola kungase kukhule ekulimaleni okufana nokulimaza noma ukusikwa. I-pathogen ingena ku-tuber, ivame ukubola phakathi nendawo. Ukubola okukhulu kubangela ukuthi izicubu zishwabane futhi ziwe, ngokuvamile zishiya indawo emnyama eshonile ngaphandle kwe-tuber (Umfanekiso 2) kanye nemigodi yangaphakathi (Umfanekiso 3). Isikhunta esiphuzi, esimhlophe, noma esiphinki singase sibe khona (Umfanekiso 4).
I-Fusarium ivame ukutholakala ezigabeni zembewu kodwa futhi iphila isikhathi eside emhlabathini. Izingcezu zembewu ziyabola lapho amagciwane ethelela izindawo ezisikiwe noma ezilimele noma lapho izigaxa zembewu zitheleleka ngaphambi kokusikwa. Izilimo eziyizigaxa ziqala ukubola noma zibanjwe ngemva kokusikwa noma ngemva kokutshalwa. Imbewu ngaphambi kokusika ibeka izilimo eziyizigaxa engcupheni yokubola okomile kwe-Fusarium. I-pathogen ingangena ku-tuber ngokusebenzisa indawo eyisikiwe bese ibola ngokushesha ucezu lwembewu (Umfanekiso 5). Ngeshwa, izinga lokushisa elivumela kakhulu ukuphulukisa indawo esikiwe, cishe 55° F, liphakeme ngokwanele ukuvumela iFusarium ukuthi ihlanganise izicubu. Ukubola kwembewu kuholela ekumeni okubi kanye nezitshalo ezimile.
Ukulimala kwezilimo eziyizigaxa ngesikhathi sokuvuna kunikeza inqwaba yamaphuzu okungena ezinhlamvu ezilele emhlabathini noma ngaphezulu kwe-tuber. Uma ukusetshenziswa komuthi okubulala isikhunta ngemva kokuvuna kungavimbeli ukukhula okuqhubekayo kwalesi sifo, ukhunta luqala ukukhula esicutshini se-tuber, okubangela ukubola okomile endaweni yokulimala (Umdwebo 6). Ubukhulu bokubola okomile endaweni yokugcina kuncike kubukhulu bokulimala. Ekugcineni ukuqhubeka kwesifo kunqunyelwe ngokuyinhloko izinga lokushisa: lapho kubanda izinga lokushisa, lesi sifo sizohamba kancane. Ama-tubers amancane abonakala ekwazi ukumelana nokubola okomile okunciphisa izifo. Ukubola okomile kuqhubeka ngokushesha phakathi nengxenye yokugcina yenkathi yokugcina.
Amasu amaningi okulawula ukubola okomile ahloselwe ukuvimbela ukulimala kwezilimo eziyizigaxa, kungaba yimbewu noma isivuno esivuniwe. Ukuvimbela imihuzuko kuzosiza kakhulu ekugwemeni izifo. Ukwelapha izingcezu zembewu nge-fungicide kusiza ukulawula ukubola nezinye izifo ezibangelwa amagciwane atholakala imbewu.
Kubalulekile ukuthenga imbewu engaboli kancane ngangokunokwenzeka. Imbewu kufanele ihlolwe, okungcono phakathi nezinyanga zokugcina zokugcina. Uma lokhu kungenzeki, hlola imbewu ngokucophelela lapho usuyitholile.
Izilimo eziyizigaxa zokuvuna ngemva kokuba izikhumba zisethiwe futhi lapho izinga lokushisa le-pulp lingaphezu kuka-50° F. Sebenzisa izindlela zokulimaza izintuthwane lapho uvuna futhi unqwabelanisa amazambane.
Uma usebenzisa isibulali sikhunta sangemva kokuvuna, qiniseka ukuthi ukumbozwa kwanele ukuvikela yonke indawo ye-tuber. Sebenzisa umthamo wamanzi kanye nesilinganiso sokubulala isikhunta esicaciswe kulebula.
Vumela isikhathi sokuphola kwezilonda ngaphambi kokwehlisa izinga lokushisa endaweni yokugcina. Kufanele kube nokujikeleza komoya okuhle, umswakama ophezulu (ongaphezu kuka-90%), kanye nezinga lokushisa elizungeze u-55° F.
Yehlisa izinga lokushisa kancane ukuze uvimbele ukuminyana ezigabeni futhi ugcine izilimo eziyizigaxa ezipholile ngangokunokwenzeka, ucabangela imakethe oyihlosile.