A cikin 2022, herbicide "Magnum", sananne ga manoma na Rasha, wanda kamfanin "Agusta" ya samar, wanda aka tsara don magance nau'o'in ciyawa na shekara-shekara da kuma perennial dicotyledonous, ya sami rajistar rajista don amfani a ƙasashe daban-daban, ciki har da wasu gandun daji. filaye, hanyoyin jirgin ƙasa, filaye don masana'antu da sauran dalilai na musamman, da kuma wuraren da jama'a ke da yawa. Wannan ya ba da damar yin amfani da miyagun ƙwayoyi don yaƙar irin wannan ƙwayar cuta mai haɗari kamar Sosnovsky's hogweed a muhimman wuraren rarraba ta.
Tare da sa hannu na reshe na Cibiyar Kasafin Kuɗi ta Tarayya "Rosselkhoztsentr" a cikin Leningrad, Murmansk yankuna da Jamhuriyar Karelia, an gudanar da gwaje-gwajen zanga-zangar a cikin 2023 don sanin ƙimar amfani da miyagun ƙwayoyi mafi kyau lokacin amfani da shi a birane da ƙauyuka. A sakamakon haka, an lura da cikakkiyar rashi na tsire-tsire na hogweed a wuraren da aka bi da su, kuma maganin da kansa ya tabbatar da cewa shi ne maganin ciyawa na tattalin arziki wanda ke lalata tsire-tsire masu cutarwa ko da a cikin ƙananan allurai.
Da miyagun ƙwayoyi "Magnum" (aiki sashi metsulfuron-methyl, 600 g / kg) da aka samar a cikin nau'i na ruwa-dispersible granules. An gudanar da gwaje-gwajen nuni don amfani da hogweed a wurin gwaji na reshen Menkovsky na Cibiyar Kasafin Kuɗi ta Tarayya "Cibiyar Nazarin Agrophysical" na gundumar Gatchina na yankin Leningrad.
An gudanar da maganin a ranar 16 ga Mayu, 2023 a yanayin zafin iska na 20 ℃, yanayin zafi na 38% da iska na 2-3 m/s. Tsire-tsire na hogweed na shekaru daban-daban na 20-40 cm tsayi an bi da su tare da bambance-bambancen guda uku na cakuda tanki, gami da Magnum herbicide da haɓaka ayyukan herbicide Adju (isodecyl barasa ethoxylate, 900 g / l) - adjuvant wanda ke tabbatar da riƙe digo na digo. da herbicide aiki bayani a kan surface na ganye weeds, mafi yada yada da kuma ƙara ɗaukar hoto yankin. Amfani da surfactant mai jure ruwan sama a cikin cakudawar tanki ya tabbatar da zama ingantaccen bayani a cikin yanayi mara kyau, tare da hazo na farko da ke faɗowa cikin mintuna 20 na aikace-aikacen ciyawa. An yi amfani da abubuwan Magnum da Adju a cikin cakudawar tanki bisa ga bambance-bambance a cikin ƙimar amfani masu zuwa: 0,08 kg / ha + 0,2 l / ha, 0,15 kg / ha + 0,2 l / ha, 0,3 kg / ha + 0,2 l / ha, bi da bi.
Babban makasudin gwajin shine don samun hoton gani na fa'ida da sifofi na amfani da maganin ciyawa na Magnum akan kasashen da ke da yawan jama'a. Dangane da ƙa'idodin, ƙimar amfani da miyagun ƙwayoyi a wuraren birni (ƙarauka) yana daga 0,05 kg / ha zuwa 0,3 kg / ha. Gwaje-gwaje sun nuna cewa maganin yana nuna babban tasiri wajen sarrafa ciyawa ko da a cikin ƙananan allurai, kuma tasirin zaɓuɓɓuka tare da ƙimar amfani daban-daban ya juya ya zama kusan iri ɗaya. Kwanaki 10 bayan jiyya, duk tsire-tsire na hogweed na Sosnovsky sun daina girma. A ƙarshen lokacin girma, hogweed ya ɓace a cikin matakan gwaji, kuma wasu tsire-tsire sun ɗauki wurinsa, yayin da a cikin tsarin kulawar da ba a kula da shi ba ciyawa ya ci gaba a duk lokacin rani.
"A ƙarshen lokacin girma a ranar 7 ga Satumba, a cikin dukkan bambance-bambancen gwajin, an lura da cikakkiyar rashi na tsire-tsire na Sosnovsky hogweed; an lura da tsire-tsire guda ɗaya daga cikin iri na ƙasa. Tsayin hogweed tare da peduncle a cikin kulawa ya kai 200-210 cm, "in ji rahoton reshe na Cibiyar Noma ta Rasha.
"Maganin herbicide na Magnum ya dade yana tabbatar da kansa a matsayin ingantaccen magani ga hogweed, ba wai kawai lalata shukar kanta ba, har ma yana iyakance germination na tsaba saboda aikin ƙasa da kuma sakamako na dogon lokaci," in ji Yuri Dyakonov, babban manajan asusun. kungiyar a tsakiya da kuma Arewa-Western yankin na kamfanin "Agusta". - Yayin da ake kawar da ciyawa na dicotyledonous, miyagun ƙwayoyi ba ya shafar hatsi, sabili da haka, a wuraren da aka yi magani, ana samun nasarar maye gurbin hogweed da ciyawa na hatsi. Gwaje-gwajen zanga-zanga a yankin Leningrad a cikin 2023 da farko sun nuna cewa Magnum hakika maganin ciyawa ne na tattalin arziki wanda ke ba ku damar yin nasarar yaƙi da hogweed na Sosnovsky a cikin ƙasashen da ke da yawan jama'a har ma da ƙarancin ƙimar amfani da miyagun ƙwayoyi, yayin da rage nauyin sinadari a kan muhalli. ”