Ɗaya daga cikin mahimman ayyuka lokacin da ake girma dankali shine samun mafi kyawun amfanin gona da tabbatar da ingancin dankalin iri a matakin ƙa'idodi na ƙa'idodi. Don cimma waɗannan manufofin a cikin samar da irin dankalin turawa, yana da mahimmanci a yi amfani da kayan tushe masu inganci. Kwararru daga reshe na Cibiyar Kasafin Kudi ta Tarayya "Rosselkhoztsentr" a cikin yankin Krasnoyarsk sun shiga cikin zaɓin clones na dankalin turawa don gabatar da su cikin al'adun in vitro da samun kayan tushe. Zaɓin da aka za'ayi a kan shuka na farkon filin ƙarni na dankalin turawa iri, Lady Claire, Colomba, Innovator, Argo, Lila a cikin filin gandun daji na SHP Dary Malinovki LLC. A lokacin zaɓen, an gudanar da cikakken kima na gani na kowace shuka da aka gabatar. An zaɓi tsire-tsire waɗanda suka fi dacewa da nau'ikan iri-iri, tare da ingantattun halaye na nau'ikan iri-iri, cikakkiyar lafiya a cikin bayyanar, tare da adadin manyan mai tushe na nau'in iri-iri, tare da ganye masu launin iri ɗaya, ba tare da alamun mottling, wrinkling, nadawa, ko nadawa.
An haƙa girbin kowace shuka da hannu, an shimfiɗa shi a cikin rami, kuma an tantance kowace gida daban-daban don nau'ikan halaye da lafiyar tuber. An biya kulawa ta musamman ga nau'in nau'in tubers na wannan nau'in, rashin alamun sifa, da rashin alamun cututtuka da lahani.
Daga cikin tubers da aka zaɓa, za a ɗauki kyallen takarda daga apical (apical) meristems da ke cikin sashin apical na gabobin ciyayi a cikin dakin gwaje-gwaje.
Ana shuka kayan tushen dankali a cikin yanayin dakin gwaje-gwaje a cikin bututun gwaji, daga kyallen takarda, ta amfani da fasahar in vitro. Yin amfani da wannan fasaha yana ba da damar samun kayan shuka iri-iri, wanda ba shi da ƙwayoyin cuta, fungal da ƙwayoyin cuta. Masu asali na iri-iri ne kawai ke da hakkin shuka irin wannan dankali.
Na farko in vitro microplants, samu ta hanyar gabatar da asali clones a cikin al'ada, za a yada zuwa ga kundin da ake bukata, bayan wucewa da dama hawan keke na yanka a kan wucin gadi gina jiki kafofin watsa labarai.
Daga bisani, ana dasa microplants don samun ƙananan tubers a cikin greenhouses, a cikin yanayi mai sarrafawa tare da kariya daga kwari. Sannan ana shuka kananan tubers a cikin filin, wanda ke samar da farkon filin. Dankali da aka samu daga yaduwa na ingantaccen kayan tushe (mini-tubers, ƙarni na farko), wanda mafarin iri-iri ko kuma mutumin da ya ba shi izini, na cikin dankalin iri na asali.
Samun lafiyayyen kayan iri wani mataki ne mai mahimmanci a cikin samar da irin dankalin turawa da kuma muhimmin al'amari da ke tasiri ga samarwa da yawan amfanin iri iri. A halin yanzu, ana amfani da dawo da dankali daga cututtukan hoto ta hanyar amfani da al'adun meristem a duk ƙasashe masu samar da dankalin turawa na duniya. Ingantattun iri da ake nomawa a gonakin iri na musamman suna samar da yawan amfanin ƙasa har zuwa kashi 25-50%, idan aka kwatanta da ɓatattun iri waɗanda ba a sabunta su ba shekaru da yawa.