Utachiona hwembatatisi Y (PVY) ndiro dambudziko rakaipisisa rakatarisana neindasitiri yembatatisi muUnited States uye ndicho chikonzero chikuru chekurambwa kwembeu dzembatatisi. Hutachiona hunokanganisa mbatatisi nenzira mbiri: inoderedza goho rembatatisi tubers ne70-80%, uye zvakare inokanganisa kunaka kwemachubhu akasara nekuda kwekuita necrotic.
PVY inotenderedza network yakaoma yemhando dzine huwandu hwezviratidzo. Kwemakore gumi apfuura, pane shanduko huru mukupararira kwemhando dzakasiyana. PVY O, iyo isiri-recombinant strain iyo yakatonga US kusvika 10, yave kutonyangarika, nepo maviri akadzokororwa strains (akabatanidzwa netuber kukuvara) akawedzera. Aya marudzi, PVY N-Wi nePVY NTN, parizvino anodarika makumi mapfumbamwe muzana eese PVY akatsaurwa anowanikwa mumbatatisi.
Mune webcast yakabudiswa muna Aug. 26, "Changing the Composition of Potato Virus Y (PVY) Strain muU.S. Potato", Yunivhesiti yeIdaho Dhipatimendi rePlant Virology Purofesa Alexander Karasev anokurukura kuchinja uku mukupararira kwehutachiwana, kutora mhedziso zvichienderana nekuedza kwakaitwa. mumwaka wekukura muna 2015 na2016. Tsvagiridzo yake inoratidza kuti kunyangwe matatu emhando ina dzembatatisi dzakaramba PVY O, hapana kana imwe yadzo yaigona kuramba PVY N-Wi.
Idzi shanduko mukuumbwa kwePVY strains muminda yembatatisi zvine zvakakosha pakupihwa chitupa chembatatisi, zvirongwa zvekupfuya mbatatisi uye marabhoritari ekuongorora.
Kunyanya kutarisisa kunofanirwa kubhadharwa kune bvunzo dzeLab, sezvo zviratidzo zvekuona zvakanyanya kuoma kuona, Karasev akadaro. Pamusoro pezvo, makiti ekuongorora ekutengesa anofanirwa kukwanisa kuona aya madhiri matsva.
Verenga zvakadzama: https://www.agroxxi.ru/
(Kwakabva: phys.org).