Mhando nyowani yembatatisi inonzi CIP-Matilde, yakagadziridzwa neInternational Potato Center (CIP) nerutsigiro rweCrop Trust, muenzaniso unonakidza wekushandiswa kwezvirimwa zvemusango mukurera.
Chirwere chanonoka kuparara chinogona kudzorwa nemishonga yekurima, asi mamiriyoni evarimi haakwanisi kuashandisa kakawanda sezvinodiwa, zvichiita kuti mari inosvika mabhiriyoni gumi nemana irasikirwe negoho gore negore. Munzvimbo dzine makomo, kunyorova kunoparira kupararira kwe<em>bread inononoka.
CIP-Matilde chigadzirwa chekuedza kuberekesa umo mbatatisi dzemusango dzakayambutswa nembatatisi dzakarimwa kuti dzibudise phytophthora-resistant dzakasiyana. Mhando mitsva iyi yakatumidzwa zita remusayendisiti Mathilde Orrillo, uyo akapayona mhando yembatatisi yemusango kuInternational Potato Center (CIP) kuma1980s.
Veukama vembatatisi dzemusango vanokwanisa kutsungirira matambudziko akadai sekupisa kwakanyanya nekusanaya kwemvura. Nekuyambuka mbatatisi dzakarimwa nembatatisi dzemusango, hunhu uhwu hunogona kupfuudzwa kuvana uye dzimwe mhando dzinokwanisa kusarudzwa.Mhuka iyi yakagadzirwa nekuchimbidza, sezvo CIP yaisanganisa varimi muchirongwa chekuyedza kukurumidza. 5 samples dzakasarudzwa, dzakanakisa dzaive CIP-Matilde.
Iyi yakasiyana-siyana inonyanya kukodzera kuPeru, iyo ichasimudzirwa mumakore anotevera.