Abatshali bamazambane baseMelika bazokwazi ukuthola ngokuba khona kwezifo ngaphambi kokutheleleka ngegciwane elikhulu.
Abatshali bamazambane e-Idaho bathole ithuluzi elisha lokuvikela isitshalo ngenxa yemizamo yeqembu lososayensi abavela eNyuvesi yase-Idaho.
Iqembu labacwaningi, eliholwa nguJames Woodhol, lithumele amathuluzi angu-14 aqoqayo aqoqa imininingwane yokuba khona kwamagciwane asemoyeni emoyeni emasimini amazambane eSigodini saseSnake.
Amadivaysi lawo asebenza ubusuku nemini futhi enzelwe ukuthola ubukhona bamagciwane angena fungal amazambane abangela ukulimala sekwephuzile, ukubola namanye. Ukuhlolwa kokuqala kuphumelele kanti ababhali bezentuthuko bazoqhubeka nocwaningo kuze kube uSepthemba, lapho isizini yamazambane e-Idaho iphela.
Ngokusho kwababhali, amasampula amasha avumela ijubane elisheshayo lokuhlola ikhwalithi yomoya kokuqukethwe kwezimpawu ze-pathogenic ngokuqhathaniswa nobuchwepheshe obukhona.
“Ubuchwepheshe uqobo bukhona iminyaka eminingi, kepha ngokwesiko kungathatha amasonto ukuqoqa, ukuhlaziya nokubika imiphumela,” kusho uWoodhole. - Ngaleso sikhathi, kungenzeka ukuthi lesi sifo sesisabalale kakhulu futhi umlimi ngeke abe nesikhathi sokwenza okuthile. Singathola imiphumela ngokushesha okukhulu - kungakapheli amahora angama-24 - 48. ”
Uma ngaphambili, abatshali bezambane lamazambane bekumele balinde amaviki ukuthola imiphumela yokuhlolwa, ngenkathi ama-pathogenas etheleleke ngokungenasici ezitshalweni zabo, manje sebengathola ukuthi iyiphi i-pathogen esongela isiko futhi yenze izindlela zokuvimbela ukubulala amagciwane. Futhi e-Idaho, kube nezikhathi eziningana lapho abalimi bebephuthuma kakhulu ngokuvikelwa kwe-fungicidal, yize lesi sifo satholakala ngemuva kwesikhathi.
"Ngedatha yesikhathi sangempela, abalimi bazosebenzisa kuphela ukwelashwa lapho kudingeka," kusho uWoodhole.
Isinyathelo esilandelayo emsebenzini wososayensi kuzoba ukuthola ukuthi amagciwane asakazeke kangakanani. "Igebe ukuthi asazi noma imiphumela imele le nsimu, noma isifunda, noma ngisho indawo ebanzi," kwengeza uWoodhole. "Olunye ucwaningo luzosinikeza imininingwane eminingi ukuthola ukuthi yiziphi izindawo ezizothinteka nokuthi yiliphi igciwane."
Ukucwaninga okuningi bekuxhaswe imboni yamazambane e-Idaho, ngakho-ke ukugxila kwephrojekthi kwaba kwizifo zamazambane.
Kodwa-ke, ososayensi bazokhulisa uhla lokuhlolwa kwezinye izilimo ezihlushwa amagciwane okukhunta afanayo namazambane.
"Sifunde ama-sugar beet ngokuhlola i-powdery isikhutha ngaphambi kokuba izitshalo zikhombise izimpawu," kusho uWoodhole. - Sakha futhi isivivinyo sokuthola i-fusarium ku-anyanisi. Amagilebhisi angesinye isivuno esingaba khona sokuhlolela isikhunta. Ukusebenza nalezi zilimo kwakunzima izihlahla ezazizungeze ukutshalwa futhi zisebenza njengesikhala somoya, ngokungafani nokuvuleleka ngokuphelele kwezinsimu zamazambane omoya.
“Imboni yamazambane i-Idaho isize ukuqhubekisela phambili lo msebenzi, abalimi nabaprosesa banikela ngama- $ 80 ukuthenga amasampula. Lokhu kungukutshalwa kwemali okubalulekile kubo, ngakho-ke ngokwemvelo bakhetha ukubeka amadivayisi ethu emikhakheni yabo. Siphinde sathola ama- $ 000 avela eNorthwest Potato Research Consortium, emele abalimi bamazambane e-Idaho kanye naseWashington nase-Oregon. Ngakho-ke, siyabona ukuthi kungenzeka ukwanda kwephrojekthi kulezi zifundazwe, futhi sijabule kakhulu ukubambisana, ”kusho uWoodhole.
Funda ngokugcwele: https://www.agroxxi.ru