Ku beerista ubaxa duurjoogta ah ee beeraha baradhada waxay yarayn kartaa tirada fayraska ay qaadaan aphids waxayna yareeyaan isticmaalka sunta cayayaanka, ayuu qoray wargayska Baradhada.
Eric Anderson, khabiirka beeraha iyo baradhada sare ee Scotland, ayaa hogaaminaya tijaabooyin Jim Reed ee beerta Milton Mathers. Jim waa milkiilaha AHDB Strategic Potato (SPoT) beertiisa oo ay weheliyaan AHDB, Colin Herron iyo Colin Ross oo ka socda McCain Baradhadu waxay baranayaan tallaabooyin kala duwan oo lagula dagaallamo caabuqa fayraska taasoo qayb ka ah mashruuc beereedka SPoT oo afar sano ah.
Dhacdooyinka fayrasyada ee beeritaanka baradhada shinnida sanadka 2019 ayaa gaadhay heerkii ugu sarreeyey 20 sano. Dambiilaha ugu weyn waa Potyvirus, PVY, badiyaa nooca PVY N (nooca necrotic), iyo sidoo kale PLRV.
PVYn ayaa ah walaaca ugu weyn. Intaa waxaa dheer, waxay u badan tahay in sii wadida isticmaalka baahsan ee pyrethroids ay horseedi doonto khatarta ah iska caabinta kooxdan daawooyinka ee aphids-ka aan gumeysiga ahayn.
Cilmi-baadhis ay samaysay Rothamsted oo ku saabsan isku-dhafka ubaxa duurjoogta ah ee beeraha karootada iyo shaqada Matthias Tschumi ee Switzerland waxay soo jeedinaysaa in tijaabooyinka noocan oo kale ah ay suurtagal tahay baradhada. Eric wuxuu aqoonsaday ubaxyada duurjoogta ah sida galleyda, vetch caadiga ah, iyo yarrow. Waxay aad waxtar ugu leeyihiin soo jiidashada cadawga dabiiciga ah ee aphids. Kuwani waa geedo fadhiid ah oo dhererkoodu la mid yahay baradhada.
Magaalada Milton, 3m xariijimo ballaaran oo isku dhafkan ah ayaa lagu dhex beeray safafka baradhada, taasoo abuuraysa kheyraad cunto ubaxeed iyo deegaan soo jiidasho leh oo duullimaadyada, laceworms iyo ladybugs.
"Waxa muddo dheer la aqoonsaday in aphids ay inta badan soo jiitaan iftiinka ciidda ee sariiraha madhan iyo kuwa ka soo horjeeda dhirta deriska ah. Ku beeridda ubaxa duurjoogta ah ama ku faafidda cawska cawska ah ee sariirahan madhan ayaa ah dhaqammo yaraynta wax-soo-saarka abuurka hore - FG2 iyo FG3."
Waxtarka xariijimaha xakameynta cayayaanka ayaa aad ugu tiirsan qaabkooda dhirta. Eric wuxuu ka digay in ay jirto dib u dhac ku yimaada cadawga dabiiciga ah si ay u dhismaan tirooyin, sidaas darteed isticmaalka habkan iyo kiimikooyinka sida saliidda macdanta ayaa lagula talinayaa.
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