Yuav ua li cas thiaj tshem tau cov kab mob mildew? Kev sib ntaus sib tua

Cov txheej txheem:

Yuav ua li cas thiaj tshem tau cov kab mob mildew? Kev sib ntaus sib tua
Yuav ua li cas thiaj tshem tau cov kab mob mildew? Kev sib ntaus sib tua

Video: Yuav ua li cas thiaj tshem tau cov kab mob mildew? Kev sib ntaus sib tua

Video: Yuav ua li cas thiaj tshem tau cov kab mob mildew? Kev sib ntaus sib tua
Video: koj xav muaj peev nyiaj yuav tsim li cas? peev los qhov twg los? clip no muaj lus teb (05) 2024, Kaum ib hlis
Anonim

Powdery mildew tseem hu ua linen lossis ashtray. Cov kab mob no nyob rau hauv cov nroj tsuag yog tshwm sim los ntawm microscopic fungi belongs rau qeb ntawm erysiphous los yog powdery mildew, nyob rau hauv cov av. Kab lus no yog hais txog yuav ua li cas kho powdery mildew hauv qee hom nroj tsuag.

Symptoms

Ntau cov nroj tsuag raug tus kab mob no, suav nrog roses, cereals thiab cucurbits, txiv duaj, txiv hmab txiv ntoo, gooseberries, qab zib beet, ib co ntoo, tsev thiab vaj paj. Txawm li cas los xij, thaum muaj cov tsos mob tib yam, lawv txhua tus muaj cov kab mob sib txawv. Noj, piv txwv li, American powdery mildew, uas cuam tshuam rau Roses, gooseberries, thiab txiv duaj. Nws tuaj yeem raug hu los ntawm peb lub tsev qiv ntawv sib txawv ib zaug.

Powdery mildew ntawm squash
Powdery mildew ntawm squash

thawj cov tsos mob ntawm cov kab mob nroj tsuag yog cov tsos ntawm lub teeb mycelium txheej rau lawv nrog tee dej. Ua ntej, cov tua thiab nplooj uas nyob ze tshaj plaws hauv av tau kis tus kab mob. Yog tias kev kho tsis tau pib raws sijhawm, tus kab mob yuav nce ntxiv thiab, thaum kawg, yuav npog tag nrho cov nroj tsuag. Yog tias koj saib ze, koj tuaj yeem pomNyob rau thaj chaw cuam tshuam los ntawm cov kab mob, cov kab mob me me, los ntawm cov nroj tsuag ntsuab pib poob nws qhov ntxim nyiam, txij li cov khoom noj khoom haus tsis ncav cuag nws, thiab cov nplooj npog nrog tawg nres cov txheej txheem ntawm photosynthesis.

Ua rau kab mob

Fungi tau qhib rau hauv cov xwm txheej hauv qab no:

  • nrog qhov kub thiab txias tsis tu ncua;
  • nrog qib nitrogen ntau ntxiv hauv ntiaj teb;
  • yog nag dhau heev lawm;
  • ntawm qhov kub ntawm +15… +30 ⁰C thiab huab cua av noo tshaj 60%;
  • tom qab tiv thaiv kev laus pruning;
  • nrog dej tsis tu ncua, piv txwv li thaum cov av qhuav ntau dhau los yog ntub dhau.

Kev kho cov nroj tsuag sab hauv tsev

Paj hauv tsev kuj muaj kab mob fungal. Yog hais tias ib tug dawb txheej tshwm rau ntawm nplooj, nws yog tsim nyog los kho tam sim ntawd nrog ib tug fungicide, nrog rau cov av thiab phab ntsa ntawm lub lauj kaub nyob qhov twg lawv loj hlob. Rau lub hom phiaj no, cov tshuaj xws li Thiovit Jet, Bayleton, Topaz, Hom, Vitaros, Fundazol, Skor thiab Vectra yog haum. Yuav ua li cas thaum lub sijhawm dhau mus? Nyob rau hauv rooj plaub no, koj yuav tsum tshem tawm cov txheej saum toj kawg nkaus ntawm cov av los ntawm lub lauj kaub, qhov twg cov fungal mycelium colonies nyob, thiab hloov mus rau ib qho tshiab, disinfected substrate.

tawm tsam powdery mildew
tawm tsam powdery mildew

Feem ntau, cov kab mob pwm tshwm sim ntawm cov nroj tsuag xws li Saintpaulia, cissus, kalanchoe, sawv, begonia thiab gerbera. Qhov ua rau muaj tus kab mob yog cov av qhuav, noo noo stale huab cua thiab kub sib txawv. Kab mobyog kis los ntawm cov nroj tsuag kab mob mus rau ib qho kev noj qab haus huv thaum lub lauj kaub nyob ze heev, nrog kev pab los ntawm kab los yog cua tam sim no. Txhawm rau tiv thaiv tus kab mob no, koj yuav tsum tau noj cov av ib ntus nrog cov chiv poov tshuaj-phosphorus, nrog rau kev saib xyuas cov nroj tsuag kev huv, dej sib npaug thiab ua kom cua nkag rau thaj chaw ntau zaus.

Tshuaj qoob loos

Powdery mildew ntawm dib tuaj yeem tiv nrog kev siv tshuaj lossis tshuaj pej xeem. Tsis txhob hnov qab tias tsis hais txog ntawm txoj kev tawm tsam, nws yog ib qho tsim nyog los tshem tawm tag nrho cov cuam tshuam ntawm cov nroj tsuag. Koj muaj peev xwm sprinkle cucumbers nrog sulfur hmoov (25 g ib 10 m²). Txau cov nroj tsuag nrog mullein pab tau zoo.

Lwm txoj hauv kev zoo los tawm tsam cov kab mob yog kev daws ntawm colloidal sulfur (tsis pub ntau tshaj 30 g ntawm cov khoom hauv ib thoob dej). Yog tias koj txiav txim siab tshem tawm cov kab mob nrog fungicides, nws yog qhov zoo tshaj plaws los siv cov tshuaj zoo tshaj plaws, xws li Oxyhom lossis Topaz.

Powdery mildew ntawm cucumbers
Powdery mildew ntawm cucumbers

Npaj los tiv thaiv kab mob

Powdery mildew hauv cov nroj tsuag tau kho nrog kev pab ntawm cov tshuaj, uas yog cov tshuaj tua kab mob xws li Bayleton, Topsin-M, Fundazol, Skor, Previkur, Vectra, Thiovit Jet", "Hom", "Tsineb", "Vitaros ", "Hloov", "Kuprozan", "Ftalan", "Fitosporin-M", "Kvadris". Colloidal sulfur, tooj liab sulphate, Bordeaux kua, tooj liab oxychloride, thiab lwm yam tau pov thawj lawv tus kheej zoo.

Tag nrho cov tshuaj no tsuas yog yuav tau ntawm cov khw tshwj xeeb xwb. Siv cov tshuaj tua kab mob tsuas yog raws li cov lus qhia.

Powdery mildew ntawm vaj paj
Powdery mildew ntawm vaj paj

Kev kho mob nrog pej xeem tshuaj

Kev tshem tawm cov kab mob ntawm cov nroj tsuag tuaj yeem ua tsis tau tsuas yog siv tshuaj. Muaj ntau txoj hauv kev zoo los tua cov kab mob mildew, thaum siv cov tshuaj pej xeem nkaus xwb. Nov yog qee qhov ntawm lawv:

  • Qej infusion. Crushed tua thiab cloves ntawm ib tsob nroj uas hnyav 50 g yog poured rau hauv 2 liv dej. Insist rau ob hnub, ces lim. Cov infusion yog siv undiluted.
  • Mustard tov. Lawv yog watered los yog sprayed on nroj tsuag. Txhawm rau npaj nws, koj yuav tsum noj 2 tbsp. l. mustard hmoov thiab dilute nws nyob rau hauv 10 liv dej sov me ntsis.
  • Kefir daws. Nyob rau hauv 10 liv dej, do 1 liter ntawm yogurt los yog fermented kefir. Nrog rau qhov tshwm sim, nws yog ib qho tsim nyog los ua cov nroj tsuag peb zaug, ua ib ntus ntawm ob peb hnub.
  • Tshauv tov. Nws yog npaj los ntawm 10 liv dej, qhov twg tsis muaj ntau tshaj li 1 kg ntawm ntoo tshauv yog tov nyob rau hauv, insisted rau xya hnub. Tom qab ntawd ntws thiab ntxiv 20 g ntawm grated los yog kua xab npum. Cov tshuaj uas tshwm sim yog txau rau cov nroj tsuag ntawm ib ntus ntawm ib hnub.

Downy mildew description

Lub npe scientific rau tus kab mob no yog peronosporosis. Feem ntau, nws cuam tshuam rau cucumbers thiab lwm yam nroj tsuag muaj feem xyuam rau nws: watermelons, taub dag, zucchini thiab melons. Nws tsis yog qhov nyuaj los txheeb xyuas cov zaub ntsuab, vim cov xim daj thiab xim av tshwm rau nws tam sim ntawd.

Pobtuaj yeem kis tau ntawm txhua theem ntawm txoj kev loj hlob thiab txawm tias nws nyob qhov twg: ntawm qhov chaw qhib lossis hauv tsev cog khoom. Txawm hais tias cov fungus tsis cuam tshuam rau cov txiv hmab txiv ntoo, nplooj qhuav thiab lashes ntawm cov nroj tsuag ua rau kom txo tau cov qoob loo. Tsis tas li ntawd, cov zaub yuav tsis pom tseeb hauv qhov tsos thiab saj tsis qab.

downy mildew
downy mildew

Txoj kev sib ntaus

Qhov phem tshaj plaws yog cov fungus kis rau cov noob ntawm cov nroj tsuag, tab sis qhov no tuaj yeem thiab yuav tsum tau tawm tsam. Txoj kev zoo tshaj plaws yog ua lawv ua ntej cog hauv av. Rau qhov no, cov tshuaj "Trichomerdin" yog zoo meej. Siv nws nruj me ntsis raws li cov lus qhia, txwv tsis pub ib qho overdose yuav ua rau deformation ntawm cov noob, thiab tom qab ntawd mus rau qeeb qeeb ntawm kev loj hlob ntawm cov nroj tsuag nws tus kheej. Trichomerdin muab tshuaj txhuam, uas muaj 40% ntawm cov khoom tseem ceeb, kuj tau ua pov thawj nws tus kheej zoo. Nws tsuas yog siv rau ntawm ntu ntawm cov qia thiab nplooj.

Txaus yuav pab tshem cov nroj tsuag ntawm cov kab mob fungal. Rau cov txheej txheem no, cov tshuaj "Planriz" yog siv, uas suav nrog tshuaj ntsuab uas tiv thaiv kab mob ntxiv. Kev kho mob xwm txheej ceev ntawm cov nroj tsuag kuj tau ua nrog kev sib xyaw ua ke ntawm fungicides. Cov no suav nrog tooj liab oxychloride, Ridomil Kub thiab Efal. Cov kev npaj no yog qhov zoo tshaj plaws rau kev siv hauv tsev cog khoom, thiab hauv av qhib, cov kws tshaj lij pom zoo kom txau nrog Acrobat MC sai li sai tau 3-5 nplooj tshwm rau cov nroj tsuag hluas.

Pom zoo: