Vanotsvaga kubva kuPeru neYunivhesiti yeWisconsin-Madison Dhipatimendi rekurima vakapedza makore akati wandei vachiongorora mhando dzembatatisi kubva kuUS Potato Gene Bank kutonhora kuoma. Vakasarudza Solanum acaule neSolanum commersonii, mhando dzembatatisi dzemusango dzinobva kuSouth America, sevapi vehuhu.
Vesainzi vakayambuka marudzi maviri aya ndokuongorora mahybrids. Vana vakaedzwa vachishandisa chando chakasikwa, firiza yemumba yakagadziridzwa kuti itevedzere kutonhora kwechisikigo kwehusiku humwe, uye bvunzo yemurabhoritari chaiyo yekuyera kukura kwekukuvara kwemembrane yesero.
Mhando itsva iyi yakanzi Vinay. VePeru vakaiedza munyika yavo, vachiikura mumatunhu akati wandei, uye vakaongorora maitiro evagadziri nevatengi. Vinai akaratidza zvibereko zvakanaka uye high frost resistance.
Kuwana zvakasiyana-siyana zvakadaro kwakakosha zvikuru, sezvo pasina munhu anodzivirirwa kubva kuchando kamwe kamwe. Muna 2019, varimi vembatatisi kuEastern Idaho vakarasikirwa ne30% yegoho ravo nekuda kwechinhu ichi. Kupisa kwakadzika hakugone kungouraya chirimwa pachacho, asiwo kushatisa kunaka kwekuchengetwa kwezvirimwa.