2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Koj puas muaj cov kab mob dawb dawb ntawm koj nplooj taub? Koj nyob hauv lub tuam txhab zoo; Yog li kuv ua li cas ua rau cov taub dag nplooj dawb thiab ua li cas koj thiaj li tshem tau cov kab mob pwm ntawm koj lub taub dag? Mus nyeem ntawv kom paub ntau ntxiv txog kev kho cov kab mob powdery mildew ntawm cov taub taub.
Dab tsi ua rau cov taub dag dawb?
Yog vim li cas peb muaj cov kab mob pwm ntawm peb nplooj taub yog vim nws tshwm sim los ntawm nplooj kab mob uas tshwm sim ntau heev. Lub npe yog, qhov tseeb, "powdery mildew" thiab muab rau ib pawg kab mob tshwm sim los ntawm cov kab mob ntsig txog.
Txhua tus muaj tus tswv tsev sib txawv, tab sis lawv txhua tus sib koom ua ke zoo ib yam - greyish-dawb, ntaub pua plag uas tuaj yeem pom ntawm nplooj, stems thiab paj. Tsis zoo li lwm yam kab mob fungal, powdery mildew thrives nyob rau hauv sov tej yam kev mob thiab tsis xav tau noo noo kom loj hlob.
Yuav ua li cas thiaj tshem tau Powdery Mildew ntawm Pumpkins
Thaum cov kab mob mildew ntawm taub taub zoo li tsis kaj siab, xov xwm zoo yog tias mob me me tsis tuag. Hais tias, yog tias tsis kho, tus kab mob yuav kis tau. Powdery mildew thawj zaug tshwm li dawb, powdery me ntsis. Cov pob no maj mam sib kis thiab lub taub taub uas muaj kev cuam tshuam loj heev tuaj yeem muaj qhov txo qis, lub sij hawm loj hlob luv thiab taub taub.nrog me ntsis tsw. Ua ntej kawm txog kev kho cov kab mob powdery mildew ntawm taub dag, nws yog ib lub tswv yim zoo kom kawm me ntsis txog nws lub neej voj voog.
Nyob rau lub caij nplooj ntoos hlav, fungi pib tsim spores, uas tau tawg mus rau saum huab cua. Thaum lawv hu rau tus tswv tsev tsim nyog thiab cov xwm txheej tsim nyog, lawv kis tau rau cov nroj tsuag. Cov pob dawb thawj zaug txuas ntxiv nthuav dav thiab koom nrog thaum tus kab mob kis mus ntxiv. Cov fungus overwinters ntawm cov khib nyiab thiab tom qab ntawd thaum huab cua sov tshaj 60 degrees F. (16 C.), lub voj voog pib dua.
Txawm hais tias hmoov mildew tsis xav tau dej kom tawg, cov av noo siab yog qhov tseem ceeb. High humidity fosters spores tsim. Kub ntawm 60-80 F. (15-26 C.), ntxoov ntxoo, thiab cov av noo siab yog cov xwm txheej zoo rau cov pwm pwm.
Yog tias cov kab mob pwm ntawm cov taub dag zoo li tsawg, tshem cov nplooj, txiv hmab txiv ntoo, lossis paj ntoo. Nyob ntawm seb thaum twg tus kab mob tau teeb tsa, qhov no yuav muab sijhawm txaus rau cov nroj tsuag kom ua tiav nws cov taub dag. Yog hais tias tej yam kev mob tseem zoo rau kev loj hlob ntawm powdery mildew, nws yuav zoo li rov tshwm sim dua.
Cucurbits, zoo li taub dag, yog qhov ua tau rau tus kab mob no. Cog lawv nyob rau hauv lub hnub tag nrho, tso cai rau huab cua zoo, thiab tsis txhob tshaj chiv los sim thiab thwart tus kab mob. Siv cov chiv tso tawm qeeb. Nws zoo li lawv yuav xav tau daim ntawv thov ntawm fungicide, txawm li cas los xij.
Fungicides poob rau hauv pawg tiv thaiv, tshem tawm lossis ob qho tib si. Muaj ob cov roj uas ua haujlwm zoo tshaj plaws raws li kev tshem tawm tab sis muaj qee qhov kev tiv thaiv zoo ib yam - roj neemthiab jojoba roj. Lwm hom roj horticultural kuj tseem siv tau thiab. Tsis txhob tsuag li 2 lub lis piam ntawm cov tshuaj tsuag sulfur lossis thaum kub siab tshaj 90 degrees F. (32 C.).
Sulfur tau siv ntau pua xyoo los tswj cov kab mob mildew hauv taub taub thiab lwm yam cucurbits tab sis yuav tsum tau siv ua ntej cov tsos mob tshwm sim. Tsis txhob siv tshuaj sulfur thaum nws nyob ze lossis tshaj 90 degrees F. (32 C.) nyob rau hauv 2 lub lis piam ntawm cov tshuaj tsuag roj.
Kawg, koj tuaj yeem sim tshuaj tua kab mob lom (Serenade), uas muaj cov kab mob muaj txiaj ntsig zoo uas rhuav tshem cov kab mob fungal. Nws tsis muaj tshuaj lom rau tib neeg thiab tsiaj txhu thiab tua cov kab mob mildew, tab sis tsis zoo li roj lossis sulfur.
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