2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Kuv hibiscus muaj kab mob dawb, kuv yuav ua li cas? Dawb powdery mildew ntawm hibiscus yog ib qho teeb meem uas feem ntau yuav tsis tua cov nroj tsuag, tab sis cov hmoov hmoov tuaj yeem cuam tshuam los ntawm nws cov lush. Yog tias koj muaj hibiscus nrog powdery mildew, txhua yam tsis ploj. Nyeem rau kom paub ntau ntxiv.
Cov tsos mob ntawm Hibiscus nrog Powdery Mildew
Powdery mildew pib ua pob dawb uas tig grey los yog xim av thaum cov kab mob loj tuaj thiab npog ntau ntawm cov nplooj. Cov fungus ua rau stunted kev loj hlob thiab nyob rau hauv mob hnyav, nplooj yuav wither thiab poob tawm ntawm cov nroj tsuag.
YPowdery Mildew Treatment on Hibiscus
Yog tias hibiscus muaj cov kab mob dawb, nws yog ib qho tseem ceeb kom daws tau qhov teeb meem sai li sai tau; ib zaug qhov teeb meem tau tsim, nws yuav nyuaj rau tswj. Muaj ntau txoj kev kho mob tau, tab sis tshuaj fungicides, uas yog tshuaj lom thiab tsis zoo ib txwm, yuav tsum yog qhov chaw kawg.
Yuav Ua Li Cas Kom Tshem Tawm Cov Kab Mob Powdery Mildew: Cultural Controls
- Ua kom koj cov hibiscus noj qab nyob zoo, vim cov nroj tsuag muaj zog tuaj yeem tiv taus cov kab mob pwm zoo dua li cov nroj tsuag tsis muaj zog.
- Dej koj hibiscus ntawm lub hauv paus ntawm cov nroj tsuag thiab tsis nyob ntawm nplooj. Sawv ntxov yoglub sij hawm zoo tshaj dej vim cov nplooj yuav muaj sij hawm kom qhuav.
- Tsis txhob siv cov chiv nitrogen siab, raws li lush, kev loj hlob tshiab yog qhov muaj kab mob ntau dua. Tsis txhob fertilize hibiscus thaum powdery mildew tshwm sim.
- Nco ntsoov cov nroj tsuag hibiscus tsis muaj neeg coob vim cov kab mob fungal zoo nyob rau hauv sov, ntub dej nrog huab cua tsis zoo. Yog tias cov nroj tsuag muaj neeg coob coob, xav txog kev cog lawv mus rau qhov chaw uas lawv muaj chaw ua pa ntau dua.
- Tsim cuam tshuam kev loj hlob tam sim ntawd. Pov tseg cov kab mob cog kom zoo zoo thiab tsis txhob muab tso rau hauv pawg compost.
Powdery Mildew Treatment on Hibiscus: Fungicide Sprays
- Neem roj– Kev sib xyaw ntawm neem roj thiab dej yog ib qho kev nyab xeeb, organic tov rau powdery mildew. Sib tov cov tshuaj tsuag ntawm tus nqi ntawm 2 tablespoons (15 ml.) neem roj rau 1 nkas loos (4 L.) dej. Siv lub twj tso kua mis los siv cov tshuaj txhua lub lim tiam kom txog thaum cov pwm tsis pom lawm. Qee tus neeg ua teb nyiam ntxiv ib teaspoon ntawm kua tais xab npum rau cov tshuaj neem roj.
- Baking soda– Koj tuaj yeem sim tshuaj tsuag cov organic uas muaj ib teaspoon ntawm ci dej qab zib, ob peb tee roj zaub, thiab ib quart dej. Txau qhov sib tov rau ntawm nplooj uas cuam tshuam.
- cov tshuaj tsuag lag luam– Txawm hais tias muaj ntau cov tshuaj fungicides, ntau tus neeg ua teb nyiam siv cov khoom uas muaj leej faj lossis tooj liab txhua 7 mus rau 14 hnub, lossis raws li kev pom zoo ntawm daim ntawv lo khoom. Fungicides feem ntau siv tau thaum ntxov ntawm lub caij. Thaum powdery mildew tau tsim, fungicides zoo li tsis muaj txiaj ntsig thiab feem ntautsis pom zoo.
Pom zoo:
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Begonias yog cov nyiam tshaj plaws ntawm txhua xyoo paj. Kev saib xyuas rau begonias yog qhov yooj yim zoo nkauj yog tias koj muab cov xwm txheej zoo rau lawv, tab sis saib xyuas cov tsos mob ntawm powdery mildew thiab paub yuav ua li cas tiv thaiv thiab tswj tus kab mob no. Kab lus no yuav pab nrog qhov ntawd
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Koj tuaj yeem tiv thaiv cov kab mob fungal ntawm cov ntoo los ntawm kev siv cov kab lis kev cai zoo tab sis kev kho cov kab mob mildew ntawm cov ntoo kuj ua tau. Nyem rau kab lus hauv qab no yog tias koj xav kawm yuav ua li cas kho ntoo nrog powdery mildew