Ma’adinin Allium Leaf Miner ya fito ne daga Turai, amma an gano shi a Pennsylvania a shekarar 2015. Kuda ce wadda tsutsa ta ke cin amfanin gonar Allium, gami da albasa, tafarnuwa, da leek.
Tun da ya isa Amurka, ya bazu zuwa New York, Connecticut, Massachusetts, Maryland, da New Jersey kuma ana daukarsa a matsayin babbar barazanar noma.Tawagar masu bincike karkashin jagorancin Cornell sun gudanar da gwaje-gwajen filin a kan sinadarai 14 masu aiki a cikin magungunan kashe qwari tare da amfani da su ta hanyoyi daban-daban don fahimtar mafi kyawun zaɓuɓɓukan magani.
An bayyana sakamakon binciken ne a wani binciken da aka buga ranar 13 ga watan Yuni a cikin mujallar “Journal of Economic Entomology” mai taken “The Digger for Management of Alliums: Emerging Diseases and Pests of Allium Crops in North America.”
Tawagar bincike karkashin jagorancin babban marubuci Brian Nault, farfesa a fannin ilimin halittu a Cornell Agricultural Technology, kuma daya daga cikin jiga-jigan masana kula da kwari na Allium leaf a Amurka, sun gano magungunan kashe qwari na gargajiya da dama Yana da mafi kyawun tasiri a kan kwari masu lalata.
Nault ya ce: "A kan gonakin da ba sa amfani da ingantaccen kayan aikin sarrafawa - magungunan kashe qwari-matsalar allium foliaricides galibi tana da tsanani."
Phytomyza Gymnostoma (Phytomyza Gymnostoma) yana da tsararraki biyu a shekara, kuma manya suna bayyana a cikin Afrilu da tsakiyar Satumba.A lokacin rani, yawancin albasa suna girma, kuma ana samun hutu tsakanin waɗannan zagayowar biyu, wanda ke ba da damar amfanin gona don tserewa kwari.Hakazalika, kwararan fitila na kumbura da sauri, wanda ke sa lokacin ganyen ya kasa yin kiwo yadda ya kamata.
Daga cikin manya masu hakar ma'adinai, amfanin gona tare da koren ganye sun fi fuskantar barazana.A arewa maso gabashin Amurka, bazara ya hada da leek, scallions da tafarnuwa, kuma kaka ya hada da scallions da leek.Wild alliums wanda ya wuce tsararraki biyu na iya zama tafki don ci gaban kwari.
Larvae sun fara yin kiwo a saman shukar kuma su yi ƙaura zuwa gindi don su tashi.Larvae na iya lalata kyallen jikin jini, haifar da cututtukan ƙwayoyin cuta ko fungal da haifar da ruɓa.
Ƙungiyar binciken ta gwada dabarun gudanarwa daban-daban tare da albasa, leek da albasarta kore a Pennsylvania da New York a cikin 2018 da 2019. Fesa maganin kwari na sinadarai (dimethylfuran, cyanocyanoacrylonitrile da spinosyn) shine hanya mafi daidaituwa da tasiri, rage lalacewa har zuwa 89% kawar da kwari har zuwa 95%.Dichlorofuran da cyanocyanoacrylonitrile da ake amfani da su ta hanyar fasahar ban ruwa drip ba su da tasiri.
Sauran magungunan kashe qwari (abamectin, paracetamol, cypromazine, imidacloprid, lambda cyhalothrin, methamyl da spinosyn) suma sun rage yawan allium foliaricides.Ana amfani da Spinosyn akan tushen da babu tushe ko matosai don kunna shuka, yana rage lalacewar kwari bayan dasawa da kashi 90%.
Duk da cewa har yanzu masu haƙa albasar allium ba su zama matsala da albasa ba har yanzu, masu bincike da manoma sun damu da cewa za su iya zama matsala idan sun sami karbuwa kuma suka yi ƙaura zuwa yamma (wanda shine babban amfanin albasa).Nat ta ce: "Wannan ya kasance babbar matsala ga masana'antar albasa ta Amurka."