• isi_ọkọlọtọ_01

Nchịkọta nkenke nke Metsulfuron methyl

Metsulfuron methyl, ahịhịa ọka wit dị oke mma nke DuPont mepụtara na mbido 1980s, bụ nke sulfonamides ma dịkwa obere egbu egbu nye mmadụ na anụmanụ. A na-ejikarị ya iji chịkwaa ahihia ndị sara mbara, ma na-enwe mmetụta nchịkwa dị mma na ụfọdụ ahịhịa gramine. Ọ nwere ike igbochi ma chịkwaa ata nke ọma n'ubi ọka wit, dị ka Mainiang, Veronica, Fanzhou, Chaocai, obere akpa onye ọzụzụ atụrụ, obere akpa onye ọzụzụ atụrụ, Soniang Artemisia annua, Chenopodium album, Polygonum hydropiper, Oryza rubra, na Arachis hypogaea.

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Ọrụ ya bụ 2-3 ugboro nke chlorsulfuron methyl, na isi nhazi usoro onunu ogwu bụ nkwusioru akọrọ ma ọ bụ ntụ ntụ. Otú ọ dị, n'ihi ọrụ ya dị elu, igbu ahịhịa buru ibu, ihe siri ike na ngwa ngwa n'ụwa, ọ na-ahapụ ọnụ ọgụgụ dị ukwuu nke ihe fọdụrụ n'ime ala, na mmetụta ya dị ogologo oge ga-etinye ihe egwu na gburugburu ebe obibi mmiri. yabụ ejirila nke nta nke nta kagbuo ndebanye aha ya na 2013 na China. Ka ọ dị ugbu a, amachibidoro iji ya na China, mana a ka na-eji ya eme ihe n'ahịa mba ụwa, ọ ka nwere ike ijide ndebanye aha mbupụ na China. United States na Brazil bụ ahịa mbupụ abụọ nke methasulfuron methyl na China.

Njirimara anụ ahụ na kemịkalụ

Ngwunye teknụzụ bụ ihe na-acha ọcha, nke siri ike na-esighị ike, nke nwere ebe mgbaze nke 163 ℃ 166 ℃ na ike ikuku nke 7.73 × 10-3 Pa/25 ℃. Mmiri solubility dị iche na pH: 270 na pH 4.59, 1750 na pH 5.42, na 9500 mg / L na pH 6.11.

Nsi

Nsi nke anụmanụ na-ekpo ọkụ na-ekpo ọkụ dị ntakịrị. LD50 ọnụ nke oke oke karịrị 5000 mg/kg, na nsi nke anụmanụ ndị dị n'ime mmiri dị ala. Ojiji ya n'ọtụtụ ebe ga-ahapụ ọnụ ọgụgụ dị ukwuu nke residues na ala, nke ga-etinye ihe egwu na gburugburu ebe obibi mmiri, dị ka ibelata njupụta cell nke Anabaena flosaquae, nke nwere nnukwu mgbochi na acetyllactic acid synthase (ALS) nke Anabaena. flosaquae.

Usoro ihe omume

Metsulfuron methyl bụ nke a na-ejikarị chịkwaa ahihia ndị nwere nnukwu akwụkwọ n'ubi ọka wit, ma nwee ike ịchịkwa ụfọdụ ahịhịa ahịhịa. Ọ na-bụ-eji tupu seedling ala ọgwụgwọ ma ọ bụ post seedling azuokokoosisi na akwukwo ịgba. Isi usoro nke ime ihe bụ na mgbe anụ ahụ na-amịkọrọ ya, ọ nwere ike iduga elu na ala n'ime ahụ ahụ ngwa ngwa, gbochie ọrụ acetolactate synthase (ALS), gbochie biosynthesis nke amino acid dị mkpa, na-egbochi nkewa cell na uto, mee ka seedlings na-acha akwụkwọ ndụ akwụkwọ ndụ, uto ebe necrosis, akwukwo wilting, wee kụọ nwayọọ nwayọọ akpọnwụ, nke dị mma maka ọka wit, ọka bali, ọka na ọka wit ndị ọzọ.

Ngwakọta isi

metsulfuron-methyl 0.27% + bensulfuron-methyl 0.68% + acetochlor 8.05% GG (Macrogranule)

metsulfuron-methyl 1.75% + bensulfuron-methyl 8.25% SP

metsulfuron-methyl 0.3% + fluroxypyr 13.7% EC

metsulfuron-methyl 25% + ebonuron-methyl 25%

metsulfuron-methyl 6.8% + thifensulfuron-methyl 68.2%

Usoro sịntetik

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A na-akwado ya site na etiti ya dị mkpa, methyl phthalate benzene sulfonyl isocyanate (otu usoro njikọ dị ka bensulfuron methyl), 2-amino-4-methyl-6-methoxy-triazine na dichloroethane, mgbe mmeghachi omume na ụlọ okpomọkụ, filtration na tọgbọrọ n'efu.

Isi mba mbupụ

Dabere na data kọstọm, mbupụ China metsulfuron methyl na 2019 ruru ihe dị ka nde dollar 26.73, nke United States bụ nnukwu ahịa ebumnuche metsulfuron methyl, yana mbubata nde dollar 4.65 na 2019, Brazil bụ ahịa nke abụọ kachasị ukwuu, yana mbubata ihe dị ka nde dollar 3.51 na 2019, Malaysia bụ ahịa nke atọ kachasị ukwuu, yana mbubata nde dollar 3.37 na 2019. Indonesia, Colombia, Australia, New Zealand, India, Argentina na mba ndị ọzọ bụkwa ndị na-ebubata methyl sulfuron dị mkpa.


Oge nzipu: Jan-09-2023