Nekuda kwekukura kuri kuita shanduko yemamiriro ekunze, masayendisiti emubatanidzwa muAtlantic Canada ari kushanda kuti agadzire mbatatisi itsva dzisinganaye mvura. Tsvagiridzo yetsvarakadenga iyi, inotungamirwa naBurle Fofana wezvekurima neAgri-Food Canada, ine chinangwa chekushandisa genetic kusiyana kwembatatisi dzemusango dzeAndean.
Sezvo kushanduka kwemamiriro ekunze kuri kuramba kuchipikisa tsika dzechivanhu dzekurima, vaongorori vari kutsvaga kugadzira mhando dzembeu dzinokwanisa kumira nemamiriro ezvinhu aya. MuCharlottetown, chikwata chinotungamirwa nemuongorori wesainzi Burle Fofana chiri kuita nhamburiko huru yekugadzira mbatatisi dzisinganaye mvura. Masayendisiti aya ari kutendeukira kumhando dzembatatisi dzemusango dzeAndean dzinozivikanwa nekuoma kwadzo kutsvaga hunhu hunogona kubatsira pakurima kwekuNorth America.
Kubatanidza Genetic Diversity
Sekureva kweAgriculture neAgri-Food Canada, kune marudzi anopfuura 5,000 embatatisi anozivikanwa pasi rose. Nehurombo, iri geni dziva rakakura rakaona kudzikira kwekusiyana kwemhando dzembatatisi dzekutengesa, zvichiita kuti dzisanyanya kubatwa nechirwere uye kusajairana nekushanduka kwemamiriro ekunze. Mazhinji emhando dzekutengesa idzi tetraploid uye dzine makopi mana ekromosome imwe neimwe, zvichiita kuti kuberekesa kuve kwakaoma nekuda kweiyo genetics yakaoma.
Kusiyana neizvi, chikwata chaFofana chiri kutarisa nezvemhando dzembatatisi dzemusango dzePeru, dzine makopi maviri chete ekromozomu imwe neimwe. Ichi chakareruka genetic chimiro chinoita kuti dzive dzakanyanya kukodzera kuyedza murabhoritari uye kuberekesa. Zvisinei nehudiki hwadzo, mbatatisi dzemusango idzi dzine hunhu hwakakosha hunogona kushandura kurima mbatatisi.
Mabhindauko anovimbisa mukupfuya mbatatisi
Kubva 2014, Fofana anga achikura nekuyedza iyi diploid mbatatisi. Chikwata chake chafambira mberi zvakanyanya, kuona ma clones anoratidza vimbiso mugoho, saizi ye tuber uye mhando. "Semuyenzaniso, tinoziva kuti starch yemukati yakanaka uye kunaka kwekugadzirisa kwakanaka," Fofana akadaro, achiratidza kugona kwema clones aya.
Kudyidzana kwetsvakiridzo kunotora nzvimbo dzinosanganisira Kentville, New South Wales neChile, uko 384 diploid mbatatisi clones yakaongororwa kushivirira kusanaya kwemvura uye kukura kwezvirimwa. Pakati peizvi, ma<em>clone mapfumbamwe akaonekwa seanokurumidza kuibva uye anonoka kuibva uye anoshivirira kunaya kwemvura, uye 127 akaonekwa seakanonoka kuibva.
Matanho emangwana uye zvinogona kukanganisa
Iwo anonyanya kuvimbisa makumi mashanu ma clones ave kuendeswa kuAgriculture uye Agri-Food Canada chirongwa chekuberekesa muFredericton. Kumwe kuongorora kuchaitwa pano, kutarisisa saizi, chimiro, goho kugona uye maitiro ekubata. Iyi ongororo yakasimba ichaona kukodzera kwavo kuburitswa kwekutengesa kana kushandiswa muzvirongwa zvekupfuya.
Mhedzisiro inogona kuitika yechidzidzo ichi yakakosha. Nekugadzira mhando dzembatatisi dzinokwanisa kukura zvakanaka mumamiriro ekusanaya kwemvura uye dzakakura kare, varimi vanokwanisa kuwana goho rakavimbika zvisinei nemamiriro ekunze asina kunaka. Izvi hazvingovandudze kuchengetedzwa kwechikafu chete, asiwo zvinobatsira mukugarisa kwekurima mbatatisi muNorth America.
Basa rekupayona raBurle Fofana nechikwata chake rinoratidza danho rekugadzira mbatatisi zvirimwa zvinogoneka kana takatarisana nekushanduka kwemamiriro ekunze. Nekushandisa genetic kugona kwembatatisi dzemusango dzeAndean, vari kugadzira nzira yemhando dzembatatisi dzinochinjika uye dzakasimba. Sezvo tsvagiridzo iyi iri kufambira mberi, inovimbisa ramangwana iro maitiro ekurima anogona kutsungirira zvirinani matambudziko anokonzerwa nekushanduka kwemamiriro ekunze.