Propiconazole systemic dav daim ntawv thov triazole fungicide
Khoom piav qhia
Propiconazole yog ib hom tshuaj tua kab mob triazole, nws tau siv dav hauv ntau daim ntawv thov.Nws yog siv rau cov nyom cog rau cov noob, nceb, pob kws, nplej qus, txiv laum huab xeeb, almonds, sorghum, oats, pecans, apricots, txiv duaj, nectarines, plums thiab prunes.Ntawm cereals nws tswj cov kab mob tshwm sim los ntawm Erysiphe graminis, Leptosphaeria nodorum, Pseudocerosporella herpotrichoides, Puccinia spp., Pyrenophora teres, Rhynchosporium secalis, thiab Septoria spp.
Propiconazole hom kev ua yog demethylation ntawm C-14 thaum lub sij hawm ergosterol biosynthesis (los ntawm inhibiting cov kev ua ntawm 14a-demethylase raws li cov lus qhia hauv qab no), thiab ua rau tsub zuj zuj ntawm C-14 methyl sterols.Lub biosynthesis ntawm cov ergosterols yog qhov tseem ceeb rau kev tsim cov phab ntsa ntawm tes ntawm cov fungi.Qhov no tsis muaj cov tshuaj sterol ib txwm ua rau qeeb lossis nres qhov kev loj hlob ntawm cov kab mob, tiv thaiv kev kis kab mob ntxiv thiab / lossis kev cuam tshuam ntawm cov ntaub so ntswg.Yog li, propiconazole yog suav tias yog fungistatic lossis kev loj hlob inhibiting es tsis yog fungicidal lossis tua.
Propiconazole kuj yog ib tug muaj zog inhibitor ntawm Brassinosteroids biosynthesis.Brassinosteroids (BRs) yog poly-hydroxylated steroidal cov tshuaj hormones uas muaj txiaj ntsig zoo ntawm ntau cov lus teb rau cov nroj tsuag physiological.Lawv koom nrog hauv kev tswj cov cell elongation thiab division, vascular sib txawv, photomorphogenesis, nplooj lub kaum sab xis inclination, noob germination, stomata txoj kev loj hlob, raws li zoo raws li suppressed nplooj senescence thiab abscission.
Propiconazole (PCZ) yog cov feem ntau siv hauv kev ua liaj ua teb.Triazole fungicides muaj ib nrab lub neej luv dua thiab qis dua bioaccumulation dua li cov tshuaj tua kab organochlorine, tab sis kev puas tsuaj rau cov dej hauv dej yuav tshwm sim los ntawm cov tshuaj tsuag drift lossis ntog tawm tom qab los nag.Lawv tau raug tshaj tawm mus rau kev hloov pauv mus rau theem nrab metabolites hauv cov tsiaj txhu hauv av.
Propiconazole nkag mus rau thaj av ib puag ncig hauv nws txoj haujlwm ua cov tshuaj tua kab mob rau ntau yam qoob loo.Nyob rau hauv thaj av ib puag ncig, propiconazole tau nthuav tawm kom ua rau me ntsis tsis tu ncua.Biotransformation yog ib txoj hauv kev tseem ceeb ntawm kev hloov pauv rau propiconazole, nrog cov khoom hloov pauv loj yog 1,2,4-triazole thiab cov tshuaj hydroxylated ntawm dioxolane moiety.Phototransformation ntawm av lossis hauv huab cua tsis yog qhov tseem ceeb rau kev hloov pauv ntawm propiconazole.Propiconazole zoo nkaus li muaj qhov nruab nrab mus rau qis qis hauv av.Nws muaj peev xwm ncav cuag dej hauv av los ntawm leaching, tshwj xeeb tshaj yog nyob rau hauv cov av uas tsis tshua muaj organic teeb meem.Propiconazole feem ntau kuaj pom nyob rau hauv cov txheej av saum toj kawg nkaus, tab sis cov khoom hloov pauv tau tshawb pom tob dua hauv cov av profile.
