Ucwaningo, olwethulwe engqungqutheleni ye-NB Potato and Tradeshow ngoFebhuwari 6, 2020, luqinisekise ukuthi amazambane embewu ka-2019 aseNew Brunswick, eCanada anezinga eliphansi kakhulu lokutheleleka ngegciwane le-Y eminyakeni. umagazini Umagazini wePotato Country.
Lolu cwaningo lwaluholwa uDkt Matthews Singh noTyler Mackenzie beNew Brunswick Agricultural Certification Services Laboratory (ACS) eFredericton.
UDkt McKenzie ukhombisile ukuthi izinga lokutheleleka ngegciwane le-Y kumazambane lehle kakhulu kusukela ngo-2009 futhi wachaza ukuthi lo mphumela waba umphumela oqondile wemikhawulo eqinile yokulawula ukuba khona kwegciwane embewini yamazambane eminyakeni eyishumi edlule nokuqapha okusondele kwegciwane ensimini.
Ngo-2009, ukusakazwa kwaleli gciwane le-Y kwaba kukhulu kangangokuba inani lezilimo eziyizigaxa ezithintekile kubhanana amazambane lifinyelela ku-11,8%. Ngo-2019, akubanga ngaphezu kwe-0,63% yezilimo eziyizigaxa ezithintekile ezirekhodwe eqenjini lebhodwe lembiza.
Siphawula futhi ukuthi ngokwemithetho esebenza ezweni, i-batch amazambane ingaqukatha ama-4% ama-tubers atheleleke ngegciwane le-Y. Uma kutholwa amanani aphezulu, amazambane awathengiswa njengembewu.
Abaphenyi bacaphuna ubufakazi obufakazela ukuthi inqwaba yesitshalo semvuno ka-2019 (98,1%) iqukethe ngaphansi kwesilinganiso sama-4% wezilimo eziyizigaxa ezitheleleke ngegciwane le-Y, eliseduzane nokurekhodwa okuphezulu kwesivuno sika-2016 (98,4% wezithelo zamazambane sasihambisana nemigomo ebekiwe) .