I ka makahiki 2022, ʻo ka herbicide "Magnum", i ʻike ʻia e ka poʻe mahiʻai Lūkini, i hana ʻia e ka hui ʻo "August", i hoʻolālā ʻia e hakakā i ka nui o nā mauhele dicotyledonous makahiki a me ka perennial, ua loaʻa i ka hoʻopaʻa inoa hoʻonui ʻia no ka hoʻohana ʻana ma nā ʻāina o nā ʻano like ʻole, me kekahi nahele. nā ʻāina, nā ala kaʻaahi , nā ʻāina no ka ʻoihana a me nā hana kūikawā ʻē aʻe, a me nā wahi kanaka. ʻO kēia ka mea i hiki ai ke hoʻohana i ka lāʻau lapaʻau no ka hakakā ʻana i kahi mauu pōʻino e like me ka hogweed a Sosnovsky ma nā wahi koʻikoʻi o kāna hoʻolaha.
Me ke komo ʻana o ka lālā o ka Federal State Budgetary Institution "Rosselkhoztsentr" ma Leningrad, Murmansk regions a me ka Repubalika o Karelia, ua hoʻokō ʻia nā hōʻike hōʻike i ka makahiki 2023 e hoʻoholo ai i ka nui o ka hoʻohana ʻana i ka lāʻau lapaʻau ke hoʻohana ʻia i nā kūlanakauhale a me nā kauhale. ʻO ka hopena, ua ʻike ʻia ka pau ʻole o nā mea kanu hogweed ma nā wahi i mālama ʻia, a ʻo ka lāʻau lapaʻau ponoʻī i hōʻike ʻia he herbicide waiwai e hoʻopau i nā mea kanu ʻino a hiki i nā mea liʻiliʻi.
ʻO ka lāʻau "Magnum" (mea hana metsulfuron-methyl, 600 g / kg) i hana ʻia ma ke ʻano o ka wai-dispersible granules. Ua hana ʻia nā hōʻike hōʻike no ka hoʻohana ʻana i ka hogweed ma ka kahua hoʻokolohua o ka lālā Menkovsky o ka Federal State Budgetary Institution "Agrophysical Research Institute" o ka moku Gatchina o ka ʻāina ʻo Leningrad.
Ua mālama ʻia ka lāʻau lapaʻau ma Mei 16, 2023 ma kahi ea wela o 20 ℃, haʻahaʻa haʻahaʻa o 38% a me ka makani o 2-3 m/s. Ua mālama ʻia nā mea kanu Hogweed o nā makahiki like ʻole 20-40 knm ke kiʻekiʻe me ʻekolu mau ʻano o ka hui tank, me ka herbicide Magnum a me ka mea hoʻonui hana herbicide Adju (isodecyl alcohol ethoxylate, 900 g/l) - he adjuvant e hōʻoiaʻiʻo i ka paʻa ʻana o nā kulu. ʻO ka hopena hana herbicide ma ka ʻili o nā lau mauʻu, ʻoi aku ka maikaʻi o ka hoʻolaha ʻana a me ka hoʻonui ʻana i kahi uhi. ʻO ka hoʻohana ʻana i ka surfactant pale i ka ua i loko o ka hui ʻana i ka pahu i hōʻike ʻia he hopena maikaʻi i nā kūlana o ka wā paʻa ʻole, me ka hāʻule ʻana o ka ua mua i loko o 20 mau minuke o ka noi herbicide. Ua hoʻohana ʻia nā ʻāpana Magnum a me Adju i loko o ka pahu pahu e like me nā ʻano like ʻole i ka helu hoʻohana: 0,08 kg/ha + 0,2 l/ha, 0,15 kg/ha + 0,2 l/ha, 0,3 kg/ha + 0,2 l/ha, pakahi.
ʻO ka pahuhopu nui o ka hoʻokolohua ʻo ia ka loaʻa ʻana o kahi hiʻohiʻona ʻike o nā pono a me nā hiʻohiʻona o ka hoʻohana ʻana i ka herbicide Magnum ma nā ʻāina o nā wahi nui. E like me nā lula, ʻo ka nui o ka hoʻohana ʻana i ka lāʻau lapaʻau ma nā wahi o ke kūlanakauhale (kūʻai) mai 0,05 kg / ha a i 0,3 kg / ha. Ua hōʻike ʻia nā hoʻāʻo e hōʻike ana ka lāʻau lapaʻau i ka maikaʻi kiʻekiʻe i ka hoʻopaʻa ʻana i nā nāhelehele ma nā ʻano liʻiliʻi, a ʻo ka maikaʻi o nā koho me nā helu hoʻohana like ʻole i like. 10 mau lā ma hope o ka mālama ʻana, pau nā mea kanu a pau o ka hogweed Sosnovsky i ka ulu ʻana. I ka pau ʻana o ke kau ulu ʻana, ua nalowale ka hogweed i loko o nā ʻāpana hoʻokolohua, a ua lawe nā mea kanu ʻē aʻe i kona wahi, ʻoiai i loko o ka mana mālama ʻole i ulu ka mauʻu i ke kauwela.
"I ka pau ʻana o ka manawa ulu i ka lā 7 Kepakemapa, i nā ʻano like ʻole o ka hoʻokolohua, ua ʻike ʻia kahi hemahema o nā mea kanu hogweed Sosnovsky; ua ʻike ʻia nā mea kanu hoʻokahi o ka mauʻu mai nā mālama hua lepo. ʻO ke kiʻekiʻe o ka hogweed me kahi peduncle i ka mana he 200-210 cm, "wahi a ka hōʻike o ka lālā o ka Russian Agricultural Center.
"Ua lōʻihi ka hoʻokumu ʻana o ka herbicide Magnum iā ia iho he lāʻau lapaʻau kūpono e kūʻē i ka hogweed, ʻaʻole wale i ka luku ʻana i ka mea kanu ponoʻī, akā ke kaupalena ʻia hoʻi ka germination o kāna mau hua ma muli o ka hana lepo a me ka hopena lōʻihi," wahi a Yuri Dyakonov, ka luna moʻokāki nui. ka hui ma Central a me North -Western māhele o ka hui "August". - ʻOiai e hoʻopau ana i nā nāhelehele dicotyledonous, ʻaʻole pili ka lāʻau lapaʻau i ka cereals, no laila, ma nā wahi i mālama ʻia, hoʻololi maikaʻi ʻia ka hogweed e nā mauʻu cereal perennial. ʻO nā hōʻike hōʻike hōʻike ma ka ʻāina ʻo Leningrad i ka makahiki 2023 i hōʻike mua ʻia ʻo Magnum kahi herbicide waiwai e hiki ai iā ʻoe ke hakakā maikaʻi i ka puaʻa Sosnovsky ma nā ʻāina o nā wahi ākea a me nā haʻahaʻa haʻahaʻa o ka hoʻohana ʻana i ka lāʻau lapaʻau, ʻoiai e hōʻemi ana i ka ukana kemika ma ke kaiapuni. ”