Xov xwm khoom
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Ib tug dav-spectrum fungicide uas tuaj yeem tiv thaiv thiab kho ntau dua 100 kab mob - pyraclostrobin
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 zog pw ua ke, txhim kho qoob loo kev nyuaj siab tiv thaiv ...Nyeem ntxiv -
Dab tsi yog gibberellin ua?koj puas paub?
Gibberellins tau pom thawj zaug los ntawm cov kws tshawb fawb Nyij Pooj thaum lawv tab tom kawm nplej "bakanae kab mob".Lawv tshawb pom tias yog vim li cas vim li cas cov qoob loo uas muaj kab mob bakanae loj hlob elongated thiab yellowed yog vim cov tshuaj secreted los ntawm gibberellins.Tom qab ntawd, som ...Nyeem ntxiv -
Kev kuaj mob thiab tswj cov txiv lws suav grey nplooj (xim av)
Grey nplooj chaw tseem hu ua sesame nplooj chaw los ntawm cov neeg ua liaj ua teb zaub hauv kev tsim khoom.Nws feem ntau ua rau cov nplooj puas tsuaj, thiab hauv cov xwm txheej hnyav, cov petioles kuj puas.Nyob rau hauv thaum ntxov theem ntawm tus kab mob, nplooj yog them nrog me me lub teeb xim av dots.Cov kab mob yog dej-soaked thiab irregula ...Nyeem ntxiv -
Ob leeg yog fungicides, qhov txawv ntawm mancozeb thiab carbendazim yog dab tsi?Dab tsi yog nws siv hauv kev loj hlob paj?
Mancozeb yog ib qho tshuaj tiv thaiv fungicide uas nquag siv hauv kev ua liaj ua teb.Nws yog ib tug complex ntawm maneb thiab mancozeb.Vim nws txoj kev ua kom tsis muaj menyuam ntau, kev tiv thaiv rau cov tshuaj tua kab mob tsis yooj yim rau kev txhim kho, thiab kev tswj xyuas tau zoo dua li lwm cov tshuaj fungicides ntawm tib hom.Thiab...Nyeem ntxiv -
Nco ntsoov xyuam xim rau cov no thaum siv azoxystrobin!
Azoxystrobin muaj broad bactericidal spectrum.Ntxiv rau EC, nws yog soluble hauv ntau cov kuab tshuaj xws li methanol thiab acetonitrile.Nws muaj kev ua haujlwm zoo tiv thaiv yuav luag tag nrho cov kab mob pathogenic ntawm lub nceeg vaj fungal.Txawm li cas los xij, txawm tias nws muaj ntau qhov zoo, nws tsim nyog hais tias thaum siv lub ...Nyeem ntxiv -
Triazole fungicides xws li Difenoconazole, Hexaconazole thiab Tebuconazole yog siv yam xyuam xim thiab muaj txiaj ntsig zoo li no.
Triazole fungicides xws li Difenoconazole, Hexaconazole, thiab Tebuconazole feem ntau siv fungicides hauv kev ua liaj ua teb.Lawv muaj cov yam ntxwv ntawm qhov dav dav, kev ua haujlwm siab, thiab tsis muaj tshuaj lom, thiab muaj kev tswj xyuas zoo rau ntau yam kab mob qoob loo.Txawm li cas los xij, koj xav tau t ...Nyeem ntxiv -
Dab tsi Kab Tsuag Thiab Kab Mob Yuav Tau Matrine, Ib Tug Tshuaj Botanical Insecticide, Tswj?
Matrine yog ib hom botanical fungicide.Nws yog muab rho tawm los ntawm cov hauv paus hniav, stems, nplooj thiab txiv hmab txiv ntoo ntawm Sophora flavescens.Cov tshuaj kuj muaj lwm lub npe hu ua matrine thiab aphids.Cov tshuaj no tsis tshua muaj tshuaj lom, tsis tshua muaj residue, ib puag ncig tus phooj ywg, thiab tuaj yeem siv rau tshuaj yej, luam yeeb thiab lwm yam nroj tsuag.Matrin...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm glyphosate thiab glufosinate-ammonium?Vim li cas ho tsis tuaj yeem siv glyphosate hauv vaj txiv hmab txiv ntoo?
Tsuas muaj ib lo lus txawv ntawm glyphosate thiab glufosinate-ammonium.Txawm li cas los xij, ntau tus tswv lag luam tawm tswv yim thiab cov phooj ywg ua liaj ua teb tseem tsis paub meej txog ob "cov kwv tij" no thiab tsis tuaj yeem paub qhov txawv ntawm lawv zoo.Yog li dab tsi yog qhov txawv?Glyphosate thiab glufo...Nyeem ntxiv -
Qhov sib txawv ntawm Cypermethrin, Beta- Cypermethrin thiab Alpha-cypermethrin
Pyrethroid tshuaj tua kab muaj zog chiral yam ntxwv thiab feem ntau muaj ntau yam chiral enantiomers.Txawm hais tias cov enantiomers muaj tib lub cev thiab cov khoom siv tshuaj lom neeg, lawv nthuav tawm tag nrho cov tshuaj tua kab sib txawv thiab cov khoom lom hauv vivo.Toxicity thiab ...Nyeem ntxiv -
Diquat siv thev naus laus zis: tshuaj tua kab zoo + kev siv raug = cov txiaj ntsig zoo!
1. Taw qhia rau Diquat Diquat yog qhov thib peb nrov biocidal herbicide nyob hauv lub ntiaj teb tom qab glyphosate thiab paraquat.Diquat yog bipyridyl herbicide.Vim hais tias nws muaj bromine atom nyob rau hauv lub bipyridine system, nws muaj tej yam systemic zog, tab sis yuav tsis ua mob rau cov qoob loo.Nws tuaj yeem ...Nyeem ntxiv -
Difenoconazole, tiv thaiv thiab kho 6 kab mob qoob loo, muaj txiaj ntsig zoo thiab siv tau yooj yim
Difenoconazole yog ib qho zoo heev, muaj kev nyab xeeb, tsis muaj tshuaj lom, broad-spectrum fungicide uas tuaj yeem nqus tau los ntawm cov nroj tsuag thiab muaj zog nkag mus.Nws kuj yog ib qho khoom kub ntawm cov fungicides.1. Cov yam ntxwv (1) Kev ua haujlwm zoo, dav bactericidal spectrum.Fenoconazole...Nyeem ntxiv -
Qhov txawv ntawm tebuconazole thiab hexaconazole yog dab tsi?Yuav xaiv li cas thaum siv nws?
Kawm txog tebuconazole thiab hexaconazole Los ntawm kev pom ntawm kev faib tshuaj tua kab, tebuconazole thiab hexaconazole yog ob qho tib si triazole fungicides.Lawv ob leeg ua tiav cov nyhuv ntawm kev tua cov kab mob los ntawm inhibiting cov synthesis ntawm ergosterol nyob rau hauv fungi, thiab muaj ib tug certa ...Nyeem ntxiv
