Imazethapyr
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Imazethapyr

Txheej txheem cej luam: Imazethapyr yog ib qho organic heterocyclic herbicide teej tug mus rau chav kawm imidazolinone. Kuj hu ua PURSUIT, Imazethapy, imidazometidine, nws cov isopropylamine ntsev yog tsim rau kev tswj tag nrho cov nroj tsuag. Nws muaj cov tshuaj tua kab mob zoo heev tiv thaiv cov nroj tsuag, txhua xyoo thiab perennial monocotyledonous weeds, broadleaf weeds, thiab lwm yam ntoo. Nws tuaj yeem siv ua ntej- tshwm sim lossis tom qab- tshwm sim. Nws yog absorbed sai heev los ntawm cov hauv paus hniav thiab nplooj, inhibiting biosynthesis ntawm cov nroj tsuag sab - saw amino acids (valine, leucine, isoleucine), rhuav tshem cov proteins, yog li inhibiting nroj tsuag loj hlob thiab txhawb kev tuag. Cov nroj tsuag rhiab heev yuav tsum tsis txhob loj hlob tam sim ntawd tom qab kho foliar thiab feem ntau tuag tom qab 2-4 lub lis piam. Selectivity yog vim qhov sib txawv metabolic tus nqi ntawm cov nroj tsuag; resistant nroj tsuag metabolize nws sai dua cov nroj tsuag rhiab heev.
Lub synthesis thiab tshuaj ntsuam ntawm imidazolinone tebchaw pib nyob rau hauv 1975. Nyob rau hauv 1982, M. Los et al. thawj zaug tshaj tawm hom tshuaj tua kab mob no. Xyoo 1983, PL Orwick et al. qhia imazapyr thiab nws cov isopropylammonium ntsev, thaum DL Shaner li al. qhia imazaquin thiab nws cov ntsev ammonium, imazaqin-ammonium. Qhov no ua rau imidazolinone tebchaw ua ib qho chaw ua haujlwm rau kev tsim cov tshuaj tua kab tshiab. Tom qab ntawd, DL Shaner thiab NE Shafer tau tshaj tawm cov tshuaj tua kab mob ntawm imazamethabez-methyl[3], thiab T. Malefyt li al. qhia txog kev ua tshuaj ntsuab ntawm imazethapyr thiab nws cov ntsev ammonium. Xim thiab tsos: Dawb rau tawm -dawb hmoov
Specifications: 99% min.
CAS Nr .: 81335-77-5
Cov mis mos molecular: C32H24O3S
Molecular Luj: 488.6

Xa kev nug

Khoom Taw qhia

Yam khoom	Index
Imazethapyr pawg feem /%	Ntau dua lossis sib npaug li 97.0%
Poob ntawm ziab /%	Tsawg dua lossis sib npaug li 0.5%
Loj feem ntawm insoluble sodium hydroxide /%	Tsawg dua lossis sib npaug li 0.3%
pH ntau	2.5-4.5
Thaum lub sij hawm ib txwm tsim, cov teeb meem insoluble ntawm sodium hydroxide yuav tsum tau ntsuas tsawg kawg ib zaug txhua peb lub hlis.

Siv

5-Ethyl-2-(4-isopropyl-4-methyl-5-oxo-1H-Imidazolin-2-yl) nicotinic acid selective pre- thiab posterbic acid inhibitors synthesis. Absorbed los ntawm cov hauv paus hniav thiab nplooj, thiab translocated nyob rau hauv lub xylem thiab phloem, nws accumulates nyob rau hauv cov nroj tsuag meristems, cuam tshuam lub biosynthesis ntawm valine, leucine, thiab isoleucine, puas proteins, thiab thaum kawg ua rau cov nroj tsuag tuag. Cov ntawv thov suav nrog kev sib sau ua ntej-sowing av, kev kho mob ua ntej tshwm sim, thiab daim ntawv thov tom qab tshwm sim ntxov. Nws tswj ntau cov nyom thiab broadleaf weeds. Soybeans ua siab ntev, thiab qhov kev thov dav dav yog 140-280 g / hm², txawm hais tias qee cov ntaub ntawv qhia txog kev kho av ntawm 75-100 g / hm² rau cov taum teb. Nws kuj tseem qhia txog kev xaiv rau lwm cov qoob loo legume, nrog rau daim ntawv thov tus nqi ntawm 36-140 g / hm². Ib koob tshuaj ntawm 36-142 g / hm², txawm hais tias siv los ntawm kev sib xyaw av lossis daim ntawv thov tom qab tshwm sim ntxov, muaj txiaj ntsig zoo hauv kev tswj cov dichroic sorghum, sedge, amaranth, thiab datura. Ib koob tshuaj ntawm 100-125 g / hm², siv los ntawm cov av sib tov ua ntej sowing los yog kev kho mob ua ntej, muab kev tswj zoo ntawm barnyard nyom, millet, ntsuab foxtail, velvetleaf, retroflexus, thiab lambsquarters. Rau kev kho mob tom qab tshwm sim los tswj cov nyom txhua xyoo thiab cov nplooj dav dav, yuav tsum tau noj ntau npaum li 200-250 g / hm².

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