Bafuputsi ba Univesithi ea Idaho ba hlahisa liphatsa tsa lefutso tsa semela sa lelapa la nightshade ho etsa litapole, ba batla ho hlahisa li-spuds tse hanyetsanang le nematode tse kotsi. Semela, se bitsoang 'litchi tomato', se na le khanyetso ea tlhaho ho mefuta e mengata ea cyst le root-knot nematodes.
"Eo ke tšobotsi e sa tloaelehang ea ho ba le khanyetso e pharaletseng hakaale," ho boletse Allan Caplan, motlatsi oa moprofesa Lefapheng la U of I of Plant Sciences ea kentseng letsoho morerong ona.
Li-nematode cysts li ka lula li sebetsa masimong nako e fetang lilemo tse leshome, 'me li ka fumanoa ho fihla botebong ba limithara tse 3 mobung.
Bafuputsi ba U of I - ba eteletsoeng pele ke setsebi sa thuto ea mafu le likokoana-hloko tsa limela Louise-Marie Dandurand - ba sebelitse lilemo tse 'maloa ba ithuta menyetla e mengata ea ho sebelisa tamati ea litchi e le sesebelisoa sa ho qoba tahlehelo ea lihlahisoa tse amanang le nematode ho litapole. Tomate ea Litchi e jetsoe e le "sejalo sa leraba" lenaneong la ho felisa palesa ea cyst nematode (PCN), e behelletsoeng ka thoko sebakeng se senyenyane sa bochabela. Idaho. Ha e lenngoe masimong a nang le PCN, tamati ea litchi e susumetsa li-cysts hore li qhotse ha ho se na moeti ea sebetsang, e leng se etsang hore ba bolaoe ke tlala.
Dandurand e boetse e na le mofuputsi oa morao-rao ea batlang ho tseba lik'hemik'hale tsa tamati ea litchi tse lematsang kapa tse bolaeang li-nematode. Lik'hemik'hale tse bonahalang li sebetsa li ka hloekisoa 'me tsa sebelisoa ka ho toba masimong e le chefo e bolaeang likokoanyana.
Caplan le Fangming Xiao, moprofesa Lefapheng la Saense ea Limela, esale ba sebetsa ho hlwaya liphatsa tsa lefutso tsa tamati ea litchi tse hlahisoang ka ho khetheha ha li-nematode li hlasela semela.
Caplan o itse: "Re fumane bonyane liphatsa tsa lefutso tse 277 tse ileng tsa buloa." “Re nahana hore ha se kaofela ha tsona tse hlokahalang. Re tlameha ho hakanya hore na re ka leka eng pele, 'me ke taba ea ho leka le ho etsa liphoso. Re na le bonnete ba hore tse ling tsa tsena li tla ba le phello e kholo empa re ke ke ra bolela ka tieo hore na e tla ba life. ”
Ba ile ba fetola mefuta e meng ea liphatsa tsa lefutso eo ba belaelang hore e ka 'na ea ameha ka ho toba polaong ea li-nematode ho Joseph Kuhl, motlatsi oa moprofesa Lefapheng la Saense ea Limela, ea ileng a sebelisa biotechnology ho ba hlahisa mofuta oa litapole tse letlalo le khubelu, Desiree, lehlabuleng le fetileng. Desiree o khethiloe hobane ho bonolo ho fetoha ka ho fetola liphatsa tsa lefutso.
"Haeba re bona khanyetso ho Desiree re tla etsa boiteko ba ho e kenya ka har'a li-russets," Caplan o itse.
Xiao o thehile litapole tse ling tsa biotech a sebelisa liphatsa tsa tamati tsa litchi hoetla selemong se fetileng, mme Caplan e ikemiselitse ho hlahisa mefuta e meng ea tamati ea litchi ho litapole lehlabuleng lena. Tsohle tse ntseng li hola, ho tšoaetsa le ho hlahloba li etsahala ka har'a likamore tsa kholo tse koetsoeng.
Ka ho qala ka ho sebelisa boenjiniere ba liphatsa tsa lefutso ho fumana tsela eo tamati ea litchi e itšireletsang ka eona, Caplan o lumela hore hamorao bafuputsi ba ka khona ho fetola liphatsa tsa lefutso ho sireletsa litapole ho li-nematode ka mekhoa ea laboratori e sa nkoeng e le liphetoho tsa lefutso.
Lipatlisiso li tšehelitsoe ka lichelete ke mehloli e mengata e kenyeletsang Idaho Potato Commission, Northwest Potato Consortium le federal Plant Protection Act.
Mohloli: https://www.potatonewstoday.com