Saienitisi o le South Ural Scientific Research Institute of Horticulture and Potato Growing (Chelyabinsk) - o se iunite faʻavae o le UrFANIC Ural Branch o le Russian Academy of Sciences - na lesitalaina se mea fou i le Resitara a le Setete o Faʻatoʻaga Ausia. ituaiga pateta Kashtak. E tusa ai ma le pepa, o le ituaiga fou e fautuaina mo le totoina i le itulagi o Ural (Bashkortostan, Chelyabinsk, Orenburg, Kurgan regions).
O le ituaiga fou e iloga i le lamala tetee, mautu ma maualuga fua (e oʻo atu i le 50 tone i le hectare), faʻamaʻi faʻamaʻi ma lelei le maketiina o tubers ma paʻu mumu ma aano samasama. Ona o le maualuga o mea o loʻo i totonu o mea mamago, aemaise lava masoa 17,6-19,0%, pateta e lelei le tofo ma fautuaina mo le faʻaogaina o le laulau.
O Kashtak o loʻo faʻaalia e se laʻau lapopoa semi-laʻiaʻi faʻatasi ma se aʻa faʻaleleia lelei ma fuga umi. Vaitaimi fua (90 aso). Ole numera ole fatu ile faamoega e 10-12 fasi. O le ituaiga e tete'e i le pateta pateta, nematode pateta auro, tuai blight, ma le pa'u masani.
"O le ituaiga Kashtak na maua e ala i le faʻatonutonuina o le sopoia o ituaiga Raya (tumu tina) ma Cosmos (tulaga tama). Ole galuega - hybridization - na amata ile 2002. I le avea ai o le hybrid sili ona lelei, na pasia se filifiliga tauva i le 2008-2010. Ona faʻaauauina lea o faʻataʻitaʻiga o le siosiomaga i le itulagi o Chelyabinsk ma Orenburg ma siaki le ituaiga mo le faʻaofiina i le resitala a le setete. I aso nei o se tasi lea o ituaiga folafolaina mo le itulagi Ural. Pe a faʻatusatusa i le isi ituaiga Spiridon ua leva ona iloa (filifiliga o le YuUNIISK, o loʻo aofia i le tusi resitala o faʻatupuina o mea na ausia e le Russian Federation i le 2001), e sili atu le gaosiga o Kashtak - fua o le 35 ma le 46 tone i le hectare, i le faasologa. I Orenburg, o le ituaiga fou na maua ai se fua e sili atu i le 50 tone i le hecta, "o le tala lea a Tamara Tikhonovna Dergileva, tagata suʻesuʻe sinia i le South Ural Research Institute of Horticulture and Potato Growing, o le tusitala o le ituaiga.
E tusa ma le 20 tausaga na faʻaaluina e le au faifaatoʻaga Chelyabinsk se ituaiga pateta fou, Kashtak. I aso nei, o saienitisi e faʻaauau suʻesuʻega ma o loʻo galulue i le faʻalauteleina o fatu fatu, lea o le a avanoa mo le faʻatau i le lua tausaga.
Mo fa'amatalaga. O le South Ural Scientific Research Institute of Horticulture and Potato Growing (o se vaega faʻavae o le UrFANIC Ural Branch o le Russian Academy of Sciences) na faʻavaeina i luga o le fuafuaga a le I.V. Michurina 90 tausaga talu ai. Vaega autu o galuega: suʻesuʻega faʻavae ma faʻaogaina i le fanua o le faʻatoʻaga, gaosiga o fatu, tekinolosi mo le faʻatupuina o fualaau aina ma vine ma pateta. I le aluga o tausaga, ua fatuina e saienitisi a le inisitituti ituaiga fua tele o fualaau aina, fualaʻau ma pateta, lea e avea ma faavae o le vaega faʻavasegaina mo le sone lamatia o faʻatoʻaga - sili atu ma le 300 ituaiga o faʻatoʻaga faʻatoʻaga ma 34 pateta. E le gata i lea, ua atiaʻe tekinolosi mo faʻatoʻaga faʻatoʻaga ma faʻatoʻaga ma pateta.