I-Metsulfron methyl, isichiza esisebenza kakhulu sengqolowa esaveliswa yi-DuPont ekuqaleni kweminyaka yoo-1980, yeye-sulfonamides kwaye sinetyhefu ephantsi ebantwini nasezilwanyaneni. Isetyenziswa ikakhulu ukulawula ukhula olunamagqabi abanzi, kwaye inefuthe elihle lokulawula ukhula oluthile lwegrama. Inokuthintela ngokufanelekileyo kwaye ilawule ukhula kumasimi engqolowa, njengeMainiang, Veronica, Fanzhou, Chaocai, isikhwama somalusi, isikhwama somalusi esaphukileyo, i-Soniang Artemisia annua, i-albhamu ye-Chenopodium, i-Polygonum hydropiper, i-Oryza rubra, kunye ne-Arachis hypogaea.
Umsebenzi wayo ngama-2-3 amaxesha e-chlorsulfuron methyl, kwaye ifom ye-dosage yokucubungula eyona nto iphezulu yokumiswa okanye i powder emanzi. Nangona kunjalo, ngenxa yomsebenzi wayo ophezulu, ukubulawa kokhula okubanzi, ukunyanzeliswa okuqinileyo, kunye nokusetyenziswa okubanzi emhlabeni, ishiya inani elikhulu leentsalela emhlabeni, kwaye isiphumo sayo sexesha elide siya kuba sisoyikiso kwimeko yendalo yasemanzini, ngoko ke ubhaliso lwayo luye lwacinywa kancinci kancinci ngo-2013 eTshayina. Okwangoku, ukusetyenziswa kwayo e-China kuvaliwe, kodwa isasetyenziswa ngokubanzi kwimarike yamazwe ngamazwe, kwaye isenako ukubamba ukubhaliswa kwamanye amazwe e-China. I-United States kunye neBrazil zezona marike zimbini ziphezulu zokuthumela ngaphandle kwe-methasulfuron methyl e-China.
Iimpawu zomzimba kunye neekhemikhali
Ichiza lobugcisa liqinile elimhlophe, elingenavumba, elinendawo yokunyibilika ye-163 ～ 166 ℃ kunye noxinzelelo lomphunga we-7.73 × 10-3 Pa / 25 ℃. Ukunyibilika kwamanzi kuyahluka nge-pH: 270 kwi-pH 4.59, 1750 kwi-pH 5.42, kunye ne-9500 mg / L kwi-pH 6.11.
Ubutyhefu
Ubuthi kwizilwanyana ezinegazi elifudumeleyo buphantsi kakhulu. I-LD50 yomlomo yeegundane ingaphezulu kwe-5000 mg / kg, kwaye i-toxicity kwizilwanyana zasemanzini iphantsi. Ukusetyenziswa kwayo ngokubanzi kuya kushiya inani elikhulu leentsalela emhlabeni, eziya kubangela ingozi kwindalo engqongileyo yasemanzini, njengokunciphisa ukuxinana kweeseli ze-Anabaena flosaquae, enokuthintela okubalulekileyo kwi-acetyllactic acid synthase (ALS) yase-Anabaena. iflosaquae.
Indlela yokusebenza
IMetsulfuron methyl isetyenziswa ikakhulu ukulawula ukhula olunamagqabi abanzi kumasimi engqolowa, kwaye inokulawula nokhula olunegramineous. Isetyenziswa kakhulu kunyango lwangaphambi kokuhlwayelwa komhlaba okanye isiqu sasemva kwesithole kunye nesitshizi samagqabi. Eyona ndlela iphambili yokwenza kukuba emva kokufunxwa zizicubu zezityalo, inokukhawuleza iqhube phezulu naphantsi kumzimba wesityalo, inqanda umsebenzi we-acetolactate synthase (ALS), ithintele i-biosynthesis yee-amino acids ezibalulekileyo, inqanda ukwahlukana kweseli kunye nokukhula, yenza izithole zibe luhlaza, indawo yokukhula i-necrosis, ukubuna kwamagqabi, uze utyale ngokuthe ngcembe ubune, nto leyo ekhuselekileyo kwingqolowa, irhasi, ihabile nezinye izityalo zengqolowa.
Ikhompawundi engundoqo
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% + trinuron-methyl 25%
metsulfuron-methyl 6.8% + thifensulfuron-methyl 68.2%
Inkqubo yokwenziwa
Ilungiselelwe ukusuka kwi-intermediate yayo ebalulekileyo, i-methyl phthalate benzene sulfonyl isocyanate (indlela efanayo yokudibanisa njenge-bensulfuron methyl), i-2-amino-4-methyl-6-methoxy-triazine kunye ne-dichloroethane, emva kokusabela kwiqondo lokushisa, ukuhluzwa kunye nokuchithwa.
Amazwe amakhulu athumela ngaphandle
Ngokwedatha yamasiko, ukuthunyelwa ngaphandle kwe-metsulfuron methyl e-China ngo-2019 kuye kwafikelela kwi-26.73 yezigidi zeedola, apho i-United States yayiyeyona ntengiso inkulu ye-metsulfuron methyl, kunye nokungeniswa ngaphandle kwe-4.65 yezigidi zeedola ngo-2019, iBrazil yayiyeyesibini intengiso enkulu. ukungenisa malunga ne-3.51 yezigidi zeedola ngo-2019, iMalaysia yayiyeyesithathu imarike enkulu, kunye nokungeniswa kwe-3.37 yezigidi zeedola ngo-2019. I-Indonesia, iKholombiya, i-Ostreliya, i-New Zealand, i-India, i-Argentina kunye namanye amazwe abalulekileyo angenisa i-methyl sulfuron.
Ixesha lokuposa: Jan-09-2023
