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Kutulutsidwa kwaposachedwa kwambiri pamsika - Msika wa fungicide
Kutentha kumangokhazikika pamitundu ingapo monga ukadaulo wa pyraclostrobin ndiukadaulo wa azoxystrobin. Triazole ili pamlingo wochepa, koma bromine ikukwera pang'onopang'ono. Mtengo wazinthu za triazole ndi wokhazikika, koma kufunikira ndi kofooka: ukadaulo wa Difenoconazole umadziwika pafupifupi 172, ...Werengani zambiri -
Kusanthula Mwachidule kwa Metsulfron methyl
Metsulfron methyl, mankhwala ophera tirigu ogwira mtima kwambiri opangidwa ndi DuPont koyambirira kwa zaka za m'ma 1980, ndi a sulfonamides ndipo alibe poizoni wochepa kwa anthu ndi nyama. Amagwiritsidwa ntchito kwambiri polimbana ndi udzu wambiri, ndipo amatha kuwononga udzu wina wa gramineous. Itha kuteteza ndikuwongolera bwino ...Werengani zambiri -
Kuopsa kwa Anthrax ndi njira zake zopewera
Anthrax ndi matenda oyamba ndi mafangasi akamabzala phwetekere, zomwe zimawononga kwambiri. Ngati sichiyendetsedwa munthawi yake, imayambitsa kufa kwa tomato. Choncho, alimi onse ayenera kusamala kuchokera mmera, kuthirira, ndiye kupopera mbewu mankhwalawa mpaka fruiting nthawi. Anthrax imawononga kwambiri ...Werengani zambiri -
Herbicidal zotsatira za fenflumezone
Oxentrazone ndiye mankhwala oyamba a herbicide a benzoylpyrazolone omwe adapezeka ndikupangidwa ndi BASF, osamva glyphosate, triazines, acetolactate synthase (AIS) inhibitors ndi acetyl-CoA carboxylase (ACCase) inhibitors ali ndi mphamvu yowongolera namsongole. Ndi mankhwala a herbicide omwe atha kumera pambuyo pomera ...Werengani zambiri -
Low Poizoni, mkulu wogwira herbicide -Mesosulfuron-methyl
Chiyambi cha mankhwala ndi mawonekedwe a ntchito Ndi m'gulu la sulfonylurea lamankhwala ochita bwino kwambiri a herbicides. Imagwira ntchito poletsa acetolactate synthase, yomwe imatengedwa ndi mizu ya udzu ndi masamba, ndikuyendetsa muzomera kuti iletse kukula kwa namsongole kenako kufa. Amatengeka kwambiri ndi...Werengani zambiri -
Kugwiritsa Ntchito Msika ndi Makhalidwe a Dimethalin
Kuyerekezera Dimethalin ndi Competitors Dimethylpentyl ndi dinitroaniline herbicide. Iwo makamaka odzipereka ndi kumera udzu masamba ndi pamodzi ndi microtubule mapuloteni mu zomera ziletsa mitosis wa zomera maselo, chifukwa mu imfa ya namsongole. Amagwiritsidwa ntchito kwambiri m'makina ambiri ...Werengani zambiri -
Fluopicolide , picarbutrazox, dimethomorph… ndani angakhale wamphamvu kwambiri popewa ndi kuwongolera matenda a oomycete?
Matenda a oomycete amapezeka m'mbewu za vwende monga nkhaka, mbewu za solanaceous monga tomato ndi tsabola, ndi mbewu zamasamba za cruciferous monga kabichi waku China. choipitsa, biringanya phwetekere choipitsa thonje, masamba Phytophthora Pythium mizu zowola ndi tsinde zowola, etc. Chifukwa cha kuchuluka kwa dothi...Werengani zambiri -
Mankhwala otetezedwa kumunda wa mpunga cyhalofop-butyl - akuyembekezeka kuwonetsa mphamvu zake ngati kupopera koletsa ntchentche
Cyhalofop-butyl ndi ndondomeko ya herbicide yopangidwa ndi Dow AgroSciences, yomwe inayambika ku Asia mu 1995. Cyhalofop-butyl ili ndi chitetezo chapamwamba komanso mphamvu yabwino yolamulira, ndipo yakhala ikukondedwa kwambiri ndi msika kuyambira pamene idakhazikitsidwa. Pakadali pano, msika wa Cyhalofop-butyl ukufalikira padziko lonse lapansi ...Werengani zambiri -
Ndi mankhwala ophera tizilombo ati omwe amagwiritsidwa ntchito polimbana ndi tizirombo ta chimanga?
Bole la chimanga: Udzu umaphwanyidwa ndi kubwezeretsedwa kumunda kuti uchepetse kuchuluka kwa magwero a tizilombo; akuluakulu omwe amapita kukazizira kwambiri amagwidwa ndi nyali zowononga tizilombo pamodzi ndi zokopa panthawi yophukira; Kumapeto kwa masamba a mtima, tsinani mankhwala ophera tizilombo monga Bacillus ...Werengani zambiri -
Nchiyani chimapangitsa masamba kugubuduka?
1. Kuthirira kwachilala kwa nthawi yayitali Ngati nthaka yauma kwambiri kumayambiriro, ndipo madzi achuluka mwadzidzidzi pambuyo pake, kutuluka kwa masamba kudzakhala koletsedwa, ndipo masamba amabwerera mmbuyo pamene akuwonekera. mkhalidwe wodzitetezera, ndipo masamba adzagudubuzika...Werengani zambiri -
Zima zikubwera! Ndiloleni ndikuuzeni mtundu wa mankhwala ophera tizilombo kwambiri-Sodium Pimaric Acid
Chiyambi cha Sodium Pimaric Acid ndi mankhwala ophera tizilombo amphamvu amchere opangidwa kuchokera ku zinthu zachilengedwe za rosin ndi soda phulusa kapena caustic soda. Cuticle ndi waxy wosanjikiza zimakhala ndi dzimbiri zamphamvu, zomwe zimatha kuchotsa mwachangu cuticle ndi waxy wosanjikiza pamwamba pa tizirombo tambirimbiri monga sikelo ...Werengani zambiri -
Chifukwa chiyani tsitsi limatuluka? Kodi mumadziwa?
Zomwe zimayambitsa masamba 1. Kutentha kwakukulu, chilala ndi kusowa kwa madzi Ngati mbewu zikukumana ndi kutentha kwakukulu (kutentha kumapitirira madigiri 35) ndi nyengo yowuma panthawi ya kukula ndipo sikungathe kudzaza madzi panthawi yake, masamba amagudubuza. Pa nthawi ya kukula, chifukwa ...Werengani zambiri
