Ukulima amazambane emasimini erayisi aseningizimu yeChina ebusika, esikhundleni sokulinywa, kungathuthukisa ukuvikeleka kokudla kwezwe kanye neholo labalimi, ngokocwaningo lwakamuva.
Indatshana eshicilelwe iqembu lososayensi be-CIP (International Potato Center) kuyi-American Journal of Potato Research iphakamisa ukuthi ukuhlanganisa amazambane ezinhlelweni zokutshala irayisi eningizimu yeChina kungaletha izinzuzo eziningi.
NgokukaLao Yu, umcwaningi e-China Institute of High-Latitude Crops, ukushintshwa kwezitshalo zelayisi namazambane emasimini erayisi kuletha izinzuzo zezomnotho nezemvelo. "Izinhlelo zokushintshanisa izilimo zamazambane elayisi zidlala indima ebalulekile ekwehliseni ubumpofu ezindaweni zasemakhaya zaseShayina nasekukhuthazeni ukulima okusimeme," kuphawula usosayensi.
Cishe ingxenye yamazambane aseChina atshalwa enyakatho yezwe, kusho uXiaoping Lu, iphini likamqondisi jikelele we-International Potato Center (CIP) ye-China Center for Asia Pacific (CCCAP) kanye nomunye wababhali bocwaningo. Kodwa-ke, kule minyaka engamashumi amabili edlule, abalimi ezifundazweni eziseningizimu baye bakhula kakhulu izilimo eziyizigaxa emasimini erayisi phakathi nezinyanga ezomile zasebusika.
U-Lu waphawula ukuthi ukusetshenziswa kwamazambane njengesitshalo sasebusika emasimini elayisi kwaqala e-Guangdong ngawo-1980 ukuphendula isidingo esikhulayo samazambane eHong Kong engumakhelwane. Njengoba ukusetshenziswa kwalesi sitshalo kwanda ezweni laseChina, abalimi ezifundazweni eziseningizimu iYunnan neSichuan baye balandela lesi sibonelo futhi manje bakhiqiza cishe ingxenye yesine yamazambane akuleli.
Ukuzungezisa amazambane kanye nelayisi kungaba nomthelela omncane kwezemvelo kunezinhlelo eziningi zokulima, ukuthuthukisa ikhwalithi yomhlabathi nokusebenza kahle kwezinsiza. Lokhu kungenxa yokuthi amazambane akhiqiza ama-calories amaningi endaweni eyiyunithi ngayinye futhi ngamanzi okunisela amancane kunokudla okuyisisekelo.
Ucwaningo olwenziwa nguBeibei Liu et al., olwanyatheliswa ephephabhukwini I-Nature Food ngonyaka odlule, lubonisa ukuthi ukufaka amazambane njengesitshalo esiyisisekelo ukuhlangabezana nesidingo esikhulayo sokudla eChina kungase kunciphise umthelela wezwe jikelele emhlabathini namanzi ngo-17-25. % ngo-2030.
U-Lu Yao uphawule ukuthi yize ukuzungezisa irayisi namazambane kuvame e-Guangdong, sisekhona indawo yokwanda okukhulu eYunnan nakwezinye izifundazwe. Ngokusho kukaPhilip Cyr, umlimi wamazambane kwa-CCCAP, CIP kanye nabalingani baseShayina basebenzela ukusiza ukuthuthukisa izinhlobo zamazambane ezintsha, ezisheshe zivuthwe, ezimelana nezifo.
"Singacabanga nje ukuthi isidingo samazambane sizoqhubeka nokukhula," kusho uKier. "Inhloso yethu ukusiza abalimi ukuthi bahlangabezane nalesi sidingo futhi bakhulise imali yabo ngenkathi benciphisa umthelela wabo kwezemvelo."