Fayraska baradhada Y (PVY) waa dhibaatada ugu daran ee soo wajahda warshadaha baradhada ee dalka Mareykanka waana sababta ugu weyn ee diidmada badan ee baradhada abuurka. Fayrasku wuxuu baradhada u saameeyaa laba siyaabood: wuxuu yareeyaa dhalidda digriiga baradhada 70-80%, sidoo kale wuxuu si xun u saameeyaa tayada digriiga haray sababtoo ah falcelinta necrotic.
PVY waxay ka kooban tahay shabakad adag oo noocyo kala duwan leh oo calaamado ah. 10-kii sano ee la soo dhaafay, waxaa jiray isbeddello la taaban karo oo ku yimid baaxadda noocyada kala duwan. PVY O, oo ah nooca aan dib-u-dabaynta lahayn ee xukumayay Maraykanka ilaa 2012, ayaa gabi ahaanba meesha ka baxay, halka laba nooc oo dib-u-daawac ah (oo xidhiidh la leh dhaawaca tuberka) ay bateen. Noocyadan, PVY N-Wi iyo PVY NTN, ayaa hadda ka badan 90% dhammaan go'doominta PVY ee laga helo baradhada.
Shabakadda internetka ee la daabacay Agoosto 26, "Beddelka Isku-dhafka Fayraska Baradhada Y (PVY) ee Baradhada Maraykanka", Jaamacadda Idaho ee Waaxda Cilmi-nafsiga ee Dhirta, Professor Alexander Karasev ayaa ka hadlaya isbeddelkan isbeddelka cadaadiska, isagoo soo saaray gunaanad ku salaysan tijaabooyin la sameeyay. xilliyada koritaanka ee 2015 iyo 2016. Cilmi baaristiisa ayaa muujisay in inkastoo seddex ka mid ah afarta nooc ee baradhada ay iska caabiyeen PVY O, midkoodna ma iska caabin karo PVY N-Wi.
Isbeddelladan ka kooban noocyada noocyada PVY ee beeraha baradhada ayaa saameyn muhiim ah ku leh shahaadada baradhada, barnaamijyada taranka baradhada iyo shaybaarrada ogaanshaha.
Fiiro gaar ah waa in la siiyaa baaritaannada shaybaadhka, maadaama calaamadaha muuqaalku aad u adag tahay in la arko, ayuu yidhi Karasev. Intaa waxaa dheer, xirmooyinka baaritaanka ganacsiga waa inay awoodaan inay ogaadaan noocyadan cusub.
Si faahfaahsan u akhri: https://www.agroxxi.ru/
(Xigasho: phys.org).