Pyraclostrobin yog methoxyacrylate fungicide nrog cov qauv pyrazole tsim los ntawm BASF hauv lub teb chaws Yelemees xyoo 1993. Nws tau siv rau ntau tshaj 100 cov qoob loo.Nws muaj ntau yam kab mob bactericidal, ntau hom kab mob, thiab tiv thaiv kab mob.Nws muaj kev sib deev muaj zog, txhim kho cov qoob loo kev ntxhov siab, txhawb kev cog qoob loo, tiv thaiv kev laus thiab lwm yam haujlwm.

1. Mechanism ntawm kev ua.
Pyraclostrobin yog ib qho mitochondrial respiration inhibitor.Nws inhibits mitochondrial ua pa los ntawm kev tiv thaiv electron hloov ntawm cytochrome b thiab C1, ua rau mitochondria tsis tuaj yeem tsim thiab muab lub zog (ATP) xav tau rau cov cell metabolism, thaum kawg ua rau cell tuag.tuag.
Pyraclostrobin muaj lub peev xwm muaj zog los tiv thaiv kev loj hlob ntawm cov kab mob pathogenic spores, muaj cov tshuaj tua kab mob tseem ceeb tiv thaiv yuav luag txhua cov nroj tsuag kab mob fungi (Ascomycetes, Basidiomycetes, Oomycetes thiab Deuteromycetes), thiab muaj kev tiv thaiv thiab nws muaj kev kho mob thiab muaj kev nkag mus zoo thiab cov teebmeem.Nws tuaj yeem siv tau los ntawm kev txau ntawm stems thiab nplooj, siv tshuaj tua kab rau ntawm qhov chaw dej, thiab kho cov noob.Kuj xaiv heev.Nws muaj kev nyab xeeb rau cov qoob loo, tib neeg, tsiaj txhu thiab cov kab mob uas muaj txiaj ntsig, thiab tsis muaj kuab paug rau ib puag ncig.Thaum kawg, nws cov kev ua haujlwm hauv cov nroj tsuag muaj zog, uas tuaj yeem txhim kho cov qoob loo physiological zog thiab txhim kho cov qoob loo kev ntxhov siab.

2. Kev tiv thaiv thiab tswj cov khoom thiab cov yam ntxwv
(1) Broad-spectrum sterilization: Broad-spectrum sterilization pyraclostrobin tuaj yeem siv rau ntau yam qoob loo xws li nplej, txiv laum huab xeeb, nplej, zaub, txiv hmab txiv ntoo, luam yeeb, tshuaj yej ntoo, ornamental nroj tsuag, nyom, thiab lwm yam. xeb, powdery mildew, downy mildew, blight, anthracnose, scab, xim av, damping tawm thiab lwm yam kab mob tshwm sim los ntawm Ascomycetes, Basidiomycetes, Deuteromycetes thiab Oomycetes fungi.Nws muaj txiaj ntsig zoo tiv thaiv kab mob khaub thuas mildew, downy mildew, txiv tsawb scab, nplooj ntoos, txiv hmab txiv ntoo downy mildew, anthracnose, powdery mildew, ntxov blight, lig blight, powdery mildew thiab nplooj blight ntawm txiv lws suav thiab qos yaj ywm.Tiv thaiv thiab tswj cov nyhuv.
(2) Kev sib xyaw ua ke ntawm kev tiv thaiv thiab kev kho mob: Nws muaj kev tiv thaiv thiab kho cov teebmeem, thiab muaj kev nkag mus zoo thiab kev ua haujlwm zoo.Nws tuaj yeem siv los ntawm qia thiab nplooj txau, daim ntawv thov dej saum npoo, kho cov noob, thiab lwm yam.
(3) Kev saib xyuas kev noj qab haus huv ntawm tsob nroj: Ntxiv nrog rau nws cov txiaj ntsig ncaj qha rau cov kab mob pathogenic, pyraclostrobin, uas tiv taus kev ntxhov siab thiab nce ntau lawm, kuj tuaj yeem ua rau muaj kev hloov pauv ntawm lub cev hauv ntau cov qoob loo, tshwj xeeb tshaj yog cereals.Piv txwv li, nws tuaj yeem txhim kho kev ua haujlwm ntawm nitrate (nitrification) reductase, yog li txhim kho cov qoob loo.Nitrogen uptake thaum lub sij hawm loj hlob sai.Nyob rau tib lub sijhawm, nws tuaj yeem txo cov ethylene biosynthesis, yog li ncua cov qoob loo senescence.Thaum cov qoob loo raug tawm tsam los ntawm cov kab mob, nws tuaj yeem ua kom cov proteins uas tsis muaj zog, uas muaj cov txiaj ntsig zoo ib yam li cov synthesis ntawm cov protein tiv thaiv los ntawm cov qoob loo tus kheej salicylic acid synthesis. .Txawm hais tias cov nroj tsuag tsis muaj kab mob, pyraclostrobin tuaj yeem ua rau cov qoob loo nce ntxiv los ntawm kev tswj cov kab mob thib ob thiab txo kev ntxhov siab los ntawm cov kab mob abiotic.