Zamgulu Nkhani
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Mankhwala ophera bowa omwe amatha kuteteza ndi kuchiza matenda opitilira 100—pyraclostrobin
Pyraclostrobin ndi methoxyacrylate fungicide yokhala ndi pyrazole yopangidwa ndi BASF ku Germany mu 1993. Yagwiritsidwa ntchito pa mbewu zoposa 100.Ili ndi ma bactericidal spectrum ambiri, ambiri amalimbana ndi tizilombo toyambitsa matenda, komanso chitetezo chokwanira.Imakhala ndi kugonana kolimba, imathandizira kukana kupsinjika kwa mbewu ...Werengani zambiri -
Kodi gibberellin amachita chiyani kwenikweni?Kodi mumadziwa?
Gibberellins adapezeka koyamba ndi asayansi aku Japan pomwe amaphunzira za "matenda a bakanae" a mpunga.Iwo adapeza kuti chifukwa chomwe mbewu za mpunga zodwala matenda a bakanae zidakulirakulira komanso kukhala zachikasu ndizomwe zimatulutsidwa ndi gibberellins.Pambuyo pake, ena ...Werengani zambiri -
Kuzindikira ndi kuwongolera kwa phwetekere imvi tsamba (malo abulauni)
Mawanga a masamba otuwa amatchedwanso mawanga a masamba a sesame ndi alimi amasamba polima.Zimawononga kwambiri masamba, ndipo zikavuta kwambiri, ma petioles amawonongekanso.Kumayambiriro kwa matendawa, masamba amakutidwa ndi timadontho tating'ono tofiirira.Zotupazo ndi zonyowa m'madzi ndipo sizisintha ...Werengani zambiri -
Onsewa ndi mankhwala opha fungicides, pali kusiyana kotani pakati pa mancozeb ndi carbendazim?Kodi amagwiritsidwa ntchito bwanji pokulitsa maluwa?
Mancozeb ndi fungicide yoteteza yomwe imagwiritsidwa ntchito popanga ulimi.Ndi mtundu wa maneb ndi mancozeb.Chifukwa cha kuchuluka kwake kotsekereza, kukana maantibayotiki sikophweka, ndipo kuwongolera kwake ndikwabwinoko kuposa ma fungicides ena amtundu womwewo.Ndipo...Werengani zambiri -
Onetsetsani kuti mumvera izi mukamagwiritsa ntchito azoxystrobin!
Azoxystrobin ili ndi ma bactericidal spectrum.Kuphatikiza pa EC, imasungunuka mu zosungunulira zosiyanasiyana monga methanol ndi acetonitrile.Ili ndi ntchito yabwino yolimbana ndi mabakiteriya onse amtundu wa fungal.Komabe, ngakhale zili ndi zabwino zambiri, ndiyenera kunena kuti mukamagwiritsa ntchito ...Werengani zambiri -
Ma fungicides a Triazole monga Difenoconazole, Hexaconazole ndi Tebuconazole amagwiritsidwa ntchito mosamala komanso moyenera motere.
Ma fungicides a Triazole monga Difenoconazole, Hexaconazole, ndi Tebuconazole amagwiritsidwa ntchito kwambiri popanga ulimi.Iwo ali ndi makhalidwe a sipekitiramu yotakata, dzuwa mkulu, ndi otsika kawopsedwe, ndipo ali ndi zotsatira zabwino ulamuliro pa matenda osiyanasiyana mbewu.Komabe, muyenera ...Werengani zambiri -
Ndi Tizilombo Ndi Matenda Otani Angathetsere, Mankhwala Ophera Tizilombo, Kuwongolera?
Matrine ndi mtundu wa botanical fungicide.Amachokera ku mizu, zimayambira, masamba ndi zipatso za Sophora flavescens.Mankhwalawa alinso ndi mayina ena otchedwa matrine ndi nsabwe za m'masamba.Mankhwalawa ndi otsika poizoni, otsika-zotsalira, okonda zachilengedwe, ndipo angagwiritsidwe ntchito pa tiyi, fodya ndi zomera zina.Matrin...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa glyphosate ndi glufosinate-ammonium?Chifukwa chiyani glyphosate sangagwiritsidwe ntchito m'minda ya zipatso?
Pali kusiyana kwa mawu amodzi okha pakati pa glyphosate ndi glufosinate-ammonium.Komabe, ambiri ogulitsa zipangizo zaulimi ndi anzako a alimi sakudziwa bwino za "abale" awiriwa ndipo sangathe kuwasiyanitsa bwino.Ndiye pali kusiyana kotani?Glyphosate ndi glufo ...Werengani zambiri -
Kusiyana pakati pa Cypermethrin, Beta- Cypermethrin ndi Alpha-cypermethrin
Mankhwala ophera tizilombo a pyrethroid ali ndi mawonekedwe amphamvu a chiral ndipo nthawi zambiri amakhala ndi ma enantiomers angapo.Ngakhale ma enantiomers ali ndi mawonekedwe ofanana ndendende akuthupi ndi makemikolo, amawonetsa zochitika zopha tizirombo komanso zachilengedwe mu vivo.Toxicity ndi en ...Werengani zambiri -
Ukadaulo wogwiritsa ntchito Diquat: mankhwala abwino ophera tizilombo + kugwiritsa ntchito moyenera = zotsatira zabwino!
1. Mau oyamba a Diquat Diquat ndi mankhwala a herbicide achitatu otchuka padziko lonse lapansi pambuyo pa glyphosate ndi paraquat.Diquat ndi bipyridyl herbicide.Chifukwa ili ndi atomu ya bromine mu dongosolo la bipyridine, imakhala ndi zinthu zina zadongosolo, koma sizingawononge mizu ya mbewu.Ikhoza b...Werengani zambiri -
Difenoconazole, imateteza ndi kuchiza matenda 6 a mbewu, ndiyothandiza komanso yosavuta kugwiritsa ntchito
Difenoconazole ndi mankhwala othandiza kwambiri, otetezeka, otsika poyizoni, omwe amatha kuyamwa ndi zomera ndikulowa mwamphamvu.Ndiwotentha kwambiri pakati pa fungicides.1. Makhalidwe (1) Kuwongolera kwadongosolo, kufalikira kwa bactericidal.Fenoconazole ...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa tebuconazole ndi hexaconazole?Kodi kusankha pamene ntchito?
Phunzirani za tebuconazole ndi hexaconazole Malinga ndi magulu a mankhwala, tebuconazole ndi hexaconazole onse ndi triazole fungicides.Onsewa amakwaniritsa zotsatira zakupha tizilombo toyambitsa matenda poletsa kaphatikizidwe ka ergosterol mu bowa, ndipo amakhala ndi certa ...Werengani zambiri
