Squash With Mildew - Yuav Ua Li Cas Thaum Squash Leaves Muaj Powdery Mildew

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Squash With Mildew - Yuav Ua Li Cas Thaum Squash Leaves Muaj Powdery Mildew
Squash With Mildew - Yuav Ua Li Cas Thaum Squash Leaves Muaj Powdery Mildew

Video: Squash With Mildew - Yuav Ua Li Cas Thaum Squash Leaves Muaj Powdery Mildew

Video: Squash With Mildew - Yuav Ua Li Cas Thaum Squash Leaves Muaj Powdery Mildew
Video: Qhia txog tus neeg pw tsis tsaug zog yuav ua li cas 2024, Hlis ntuj nqeg
Anonim

Peb feem ntau muaj cua daj cua dub zoo tshaj plaws ntawm lub caij ntuj sov huab cua los pab txhawb kev kis mob hnyav ntawm cov kab mob mildew ntawm squash, tshwj xeeb tshaj yog peb butternut thiab spaghetti squash. Lub squash yoojyim nrog mildew tuag rov qab, nthuav tawm cov txiv hmab txiv ntoo rau sunscald ntawm nws cov theem tsim. Nws tsis yog tsis yooj yim rau squash nplooj kom muaj powdery mildew, tab sis txij li thaum nws cuam tshuam cov qoob loo, koj tuaj yeem mus li cas txog kev kho mob powdery mildew hauv squash? Nyeem rau kom paub ntxiv.

Squash with Powdery Mildew

Powdery mildew kis tau sai thiab tuaj yeem taug kev deb. Ntxiv nrog rau cov nroj tsuag squash, nws tuaj yeem cuam tshuam rau ib tus naj npawb ntawm veggies, suav nrog:

  • Artichokes
  • Cucumbers
  • Eggplant
  • Lettuce
  • Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws.

  • Parnips
  • Pas
  • Radishes
  • Tomatoes
  • Turnips

Txawm li cas los xij, muaj ntau hom kab mob pwm uas tawm tsam txhua hom zaub ntsuab. Nyob rau hauv cov ntaub ntawv ntawm cucurbits, muaj peb hom fungal uas ua rau cov kab mob mildew: Podosphaera xanthii, Golovinomyces cucurbitacearum, thiab Golovinomyces orontii.

Txawm li cas los xij koj yuav xav tias, hmoov av mildew ntawm squash tsis tshwm sim thaum lub caij ntub dej. Qhov tseeb, cov dej noo tsis tsim nyog rau txhua qhov los txhawb cov kab mob no, thiab nws nyiam nws kub heev. Yog li ntawd, cov lus hais saum toj no yog " cua daj cua dub zoo meej " yog qhov qhuav qhuav, lub caij ntuj sov kub.

Yog li koj yuav txheeb xyuas cov kab mob mildew hauv squash li cas? Tus kab mob no yog pom tseeb nyob rau hauv tsos. Nws tshwm ntawm cov nplooj laus ua ntej, raws li cov xim liab-xim av. Thaum pib, tus kab mob tsuas tuaj yeem txheeb xyuas tau ntawm lub tshuab ntsuas, tab sis sai sai nws yuav pom meej vim nws kis tau sai heev los tsim cov nplooj dawb, kab mob npog, petioles, thiab stems. Qhov no powdery mycelium ua rau cov nplooj zoo li tau dipped nyob rau hauv talc. Cov nplooj poob lawv cov xim ntsuab tsaus, tig daj daj, ces xim av, thiab thaum kawg shrivel, tawm hauv cov squash raug tshav kub.

Conidia (spores) tau tsim sai sai hauv cov hmoov mycelium thiab txhua qhov cua lossis huab cua txav mus rau cov nroj tsuag uas nyob ib sab thiab nplooj thiab tawm mus rau cov nroj tsuag nyob deb deb. Qhov tseeb, nws tsuas yog siv sijhawm peb mus rau xya hnub txij li pib kis mus rau cov tsos mob tshwm sim. Powdery mildew loj hlob nyob rau hauv ntom cog, ntxoov ntxoo rau qhov tsis tshua muaj teeb pom kev zoo thiab cov av noo txheeb ze. Kev kis kab mob tuaj yeem tshwm sim nyob qhov twg ntawm 50-90 F. (10-32 C.), tab sis nws nyiam sov sov txog li 80 F. (26 C.), tab sis tsis tshaj 100 F. (37 C.). Tsis tas li ntawd, powdery mildew nyob rau hauv cucurbits kis tau vim hais tias tus kab mob overwinters thiab kis mus rau successive tiam ntawm squash.

Powdery Mildew Control

Nrog rau cov cua daj cua dub zoo tshaj plaws ntawm huab cua, peb tsis muaj kev poob siab pab thiab tiv thaiv tus kabmob. Raws li hais saum toj no, tus kab mob overwinters. Xyaum cog qoob loo yuav mus atxoj kev ntev hauv kev tiv thaiv kev sib kis ntawm powdery mildew. Tsis txhob cog cucurbits hauv tib cheeb tsam tsawg kawg yog ob xyoos. Peb tsis tas yuav xyaum ua qoob loo; Kuv cem kuv ib nrab.

Txoj kev tswj xyuas ntxiv rau kev kho cov kab mob mildew hauv squash yog txhawm rau rhuav tshem cov kab mob uas muaj kab mob, qhov chaw cog qoob loo vim tias qhov chaw cog qoob loo yuav kis tau ntau dua, thiab cov nroj tsuag tiv taus ntau yam thaum ua tau. Tsis tas li ntawd, ua kom lub vaj tsis muaj cov nroj tsuag. Powdery mildew tswj kuj tseem yuav tsum tau ua ke nrog kev siv tshuaj tua kab mob raws sijhawm.

Thaum siv cov tshuaj tua kab mob, nws lig dhau rau lawv siv ib zaug thaum cov tsos mob tshwm sim. Cov tshuaj fungicides ua haujlwm los ntawm kev tiv thaiv kab mob ntawm cov nplooj ntoo noj qab haus huv, yog li nrhiav tus kab mob ntxov. Muaj ntau cov kev xaiv organic muaj nrog rau cov tshuaj tua kab mob.

  • Sulfur thiab "Stylet" roj yog cov khoom siv zoo rau kev tswj cov kab mob pwm.
  • Txhim tooj liab fungicides kuj tau pom cov txiaj ntsig hauv kev tswj cov pwm pwm.
  • Neem roj kuj yog ib qho kev tiv thaiv zoo rau kev tswj cov kab mob mildew.

Txhua yam koj xaiv, nco ntsoov qhov tseem ceeb yog daim ntawv thov ntxov, ua ntej tus kab mob tuaj yeem pom thoob plaws hauv nplooj.

Pom zoo: