Mu 2022, mankhwala a herbicide "Magnum", odziwika bwino kwa alimi aku Russia, opangidwa ndi kampani "August", omwe adapangidwa kuti athane ndi namsongole wapachaka komanso osatha wa dicotyledonous, adalandira kulembetsa kowonjezereka kuti agwiritsidwe ntchito m'maiko osiyanasiyana, kuphatikiza nkhalango. minda, njanji za njanji , malo opangira mafakitale ndi zina zapadera, komanso madera okhala anthu. Izi zinapangitsa kuti agwiritse ntchito mankhwalawa kuti athane ndi udzu woopsa monga sosnovsky's hogweed m'madera akuluakulu a kugawa kwake.
Ndi gawo la nthambi ya Federal State Budgetary Institution "Rosselkhoztsentr" m'madera a Leningrad, Murmansk ndi Republic of Karelia, mayesero a ziwonetsero adachitidwa mu 2023 kuti adziwe momwe mungagwiritsire ntchito mankhwalawa m'mizinda ndi m'midzi. Zotsatira zake, kusowa kwathunthu kwa zomera za hogweed kunkawoneka m'madera omwe ankachitirapo mankhwalawo, ndipo mankhwalawo adakhala ngati mankhwala a herbicide omwe amawononga zomera zovulaza ngakhale pang'ono.
Mankhwala "Magnum" (yogwira pophika metsulfuron-methyl, 600 g/kg) amapangidwa mu mawonekedwe a madzi dispersible granules. Mayesero owonetsera kugwiritsa ntchito kwake motsutsana ndi hogweed adachitika pamalo oyesera a nthambi ya Menkovsky ya Federal State Budgetary Institution "Agrophysical Research Institute" ya chigawo cha Gatchina cha dera la Leningrad.
Mankhwalawa adachitika pa Meyi 16, 2023, pa kutentha kwa mpweya wa 20 ℃, chinyezi cha 38% ndi mphepo ya 2-3 m / s. Zomera za Hogweed zazaka zosiyanasiyana za 20-40 cm utali zidathandizidwa ndi mitundu itatu ya tanki yosakaniza, kuphatikiza Magnum herbicide ndi herbicide activar Adju (isodecyl alcohol ethoxylate, 900 g/l) - adjuvant yomwe imatsimikizira kusungidwa kwa madontho a The herbicide ntchito njira pamwamba pa masamba udzu, bwino kufalitsa ndi kuchuluka Kuphunzira dera. Kugwiritsa ntchito mankhwala oletsa mvula m'thanki kunakhala njira yabwino yothanirana ndi nyengo yosakhazikika, mvula yoyamba idagwa mkati mwa mphindi 20 pambuyo pothira mankhwala a herbicide. Zida za Magnum ndi Adju mumsanganizo wa thanki zidagwiritsidwa ntchito mosiyanasiyana pamitengo yotsatirayi: 0,08 kg/ha + 0,2 l/ha, 0,15 kg/ha + 0,2 l/ha, 0,3 kg/ha + 0,2 l/ha, motsatira.
Cholinga chachikulu cha kuyesera chinali kupeza chithunzithunzi cha ubwino ndi mawonekedwe ogwiritsira ntchito Magnum herbicide m'madera okhala ndi anthu. Mogwirizana ndi malamulowo, kuchuluka kwa kugwiritsidwa ntchito kwa mankhwalawa kumadera akumidzi (kumidzi) kumachokera pa 0,05 kg/ha mpaka 0,3 kg/ha. Mayesero awonetsa kuti mankhwalawa akuwonetsa kuchita bwino kwambiri pakuwongolera namsongole ngakhale pamiyeso yaying'ono, ndipo mphamvu ya zosankha ndi mitengo yosiyanasiyana yogwiritsira ntchito zidakhala zofanana. Patatha masiku 10 chithandizo, zomera zonse za Sosnovsky's hogweed zinasiya kukula. Pakutha kwa nyengo yakukula, hogweed idasowa m'malo oyesera, ndipo mbewu zina zidatenga malo ake, pomwe udzu udayamba m'chilimwe chonse.
"Kumapeto kwa nyengo yokulirapo pa Seputembara 7, m'mitundu yonse yoyesera, kulibe mbewu za hogweed za Sosnovsky; Zomera zaudzu zidadziwika kuchokera ku nkhokwe zadothi. Kutalika kwa hogweed wokhala ndi peduncle mu ulamuliro kunali 200-210 masentimita, "inatero lipoti la nthambi ya Russian Agricultural Center.
"Magnum herbicide kwa nthawi yayitali adzikhazikitsa ngati njira yothanirana ndi hogweed, osati kungowononga mbewu yokha, komanso kuchepetsa kumera kwa mbewu zake chifukwa cha ntchito ya dothi komanso zotsatira zake kwa nthawi yayitali," akutero Yuri Dyakonov, woyang'anira akaunti yofunikira. gulu ku Central ndi North-Western dera la kampani August. - Pamene kuwononga dicotyledonous namsongole, mankhwala sikumawononga dzinthu Choncho, m`madera ankachitira, hogweed bwinobwino m`malo ndi osatha phala udzu. Mayesero a ziwonetsero m'dera la Leningrad mu 2023 poyamba adawonetsa kuti Magnum ndi mankhwala ophera udzu omwe amakulolani kuti muthe kulimbana ndi nkhumba za Sosnovsky m'madera okhala ndi anthu ambiri ngakhale pa mlingo wochepa wa kumwa mankhwala osokoneza bongo, ndikuchepetsa kuchuluka kwa mankhwala pa chilengedwe. ”