2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Cucurbit powdery mildew yog kab mob fungal nrog ob peb tus neeg ua txhaum. Nws cuam tshuam rau txhua hom cucurbit, tab sis tsis tshua muaj nyob rau hauv melons thiab cucumbers. Cov yam ntxwv dawb, hmoov pwm zoo nkauj yooj yim rau pom, tab sis kev tswj hwm thiab kev tiv thaiv tus kab mob yuav tsum tau ua ob peb kauj ruam.
About Powdery Mildew on Cucurbits
Powdery mildew uas kis kab mob cucurbit yog tshwm sim los ntawm ib qho ntawm ob hom fungal: feem ntau Erysiphe cichoracearum thiab tsawg dua Sphaerotheca fuliginea. Txawm hais tias txhua yam ntawm cucurbit tuaj yeem raug rau cov kab mob no, feem ntau ntawm cov dib thiab cov txiv ntoo tam sim no tiv taus.
Tsis zoo li qee lwm hom kab mob fungal ntawm cov nroj tsuag, powdery mildew tsis xav tau dej sawv. Cov xwm txheej zoo tshaj plaws rau kev kis kab mob yog qhov nruab nrab-siab thiab kub ntawm 68 txog 80 degrees Fahrenheit (20 txog 27 Celsius). Tus kab mob no kuj muaj ntau dua thaum nplooj ntoo tuab thiab lub teeb me me nkag mus rau hauv nplooj.
Cucurbits nrog powdery mildew tuaj yeem txheeb xyuas los ntawm cov hmoov dawb ntawm nplooj thiab stems. Tus kab mob yuav pib ntawm nplooj uas muaj ntxoov ntxoo thiab ntawm nplooj laus, yog li xyuas cov no rau cov tsos mob ua ntej ntawm mildew. Qee zaum, koj tuaj yeem pom cov hmoov ntawm cov txiv hmab txiv ntoo thaum lawv loj hlob.
PowderCucurbit Mildew Control Methods
Hauv kev lag luam loj hlob, tus kab mob no tau paub tias txo cov qoob loo nce txog 50 feem pua. Muaj cov kauj ruam uas koj tuaj yeem ua kom tsis txhob muaj kev puas tsuaj zoo li no hauv koj lub vaj yog li koj tsis tas yuav txi ib nrab koj cov dib, taub dag, squash, thiab melons.
Pib nrog ntau yam resistant yog tias koj tuaj yeem pom lawv. Melons thiab cucumbers uas tiv thaiv powdery mildew yog ib txwm txaus. Muab koj cov nroj tsuag tawm kom txaus los tiv thaiv cov nplooj los ntawm kev ntxoov ntxoo thiab ua rau muaj kab mob. Qhov sib nrug tseem yuav ua kom cov av ib puag ncig cov nroj tsuag qis dua.
Khaws koj lub vaj kom huv si los ntawm kev tshem tawm cov khib nyiab thiab cov nroj tsuag uas tuaj yeem kis tau cov kab mob. Kev cog qoob loo tsis pab tswj tus kab mob no vim cov fungus tsis muaj sia nyob hauv av.
Fungicides los tswj cucurbit powdery mildew feem ntau tsis tsim nyog rau cov neeg ua teb hauv tsev. Tab sis, yog tias koj muaj tus kab mob phem, nrhiav cov tshuaj tsim nyog ntawm koj lub chaw zov me nyuam hauv zos lossis chaw ua haujlwm txuas ntxiv. Txhawm rau tswj cov kab mob pwm, cov no feem ntau siv thaum ntxov los kho thiab tiv thaiv kev kis tus kab mob ntxiv.
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