Tsuav nws noj qab nyob zoo, nws yuav tsum tau ua haujlwm saib xyuas me ntsis. Tab sis yog tias nws mob, yuav tsum tau ua sai sai. Cov kab mob twg tuaj yeem cuam tshuam rau lub hnub qub magnolia? Koj tuaj yeem paub lawv li cas, lawv tuaj yeem tiv thaiv thiab tiv thaiv li cas?
Cov kab mob dab tsi tuaj yeem cuam tshuam lub hnub qub magnolias thiab yuav kho li cas?
Lub hnub qub magnolias tuaj yeem cuam tshuam los ntawm cov kab mob xws li powdery mildew, nplooj nplooj, kab laug sab thiab txiv hmab txiv ntoo canker. Powdery mildew tshwm li greyish-dawb mus rau daj me ntsis, nplooj nplooj raws li dub, angular me ntsis ntawm nplooj thiab petals. Kev ntsuas pruning, qhov sib nrug, thiab cov khoom noj tuaj yeem pab tiv thaiv thiab kho cov kab mob.
Cov kab mob dab tsi tuaj yeem tshwm sim
Qhov tseeb, lub hnub qub magnolia tsis raug mob heev. Yog hais tias lub site tej yam kev mob yog, nws feem ntau tuav tau zoo. Yog tias koj tsis muaj hmoo, piv txwv li hauv huab cua tsis zoo, powdery mildew thiab nplooj nplooj tuaj yeem cuam tshuam rau cov nroj tsuag. Hauv cov xwm txheej tsis tshua muaj tshwm sim, kab mob qog noj ntshav thiab txiv hmab txiv ntoo tshwm sim.
Mildew ntawm lub hnub qub magnolia
Yog tias koj lub hnub qub magnolia cuam tshuam los ntawm powdery mildew, koj tuaj yeem qhia los ntawm greyish-dawb mus rau yellowish me ntsis ntawm nws nplooj. Qee zaum cov lus qhia tua tau curled. Qhov no yog powdery mildew, qhov twg fungal spores yog qhov teeb meem.
Koj tuaj yeem mus rau ntau txoj hauv kev yog tias koj muaj kab mob mildew. Txawm hais tias koj txiav tawm thaj tsam cuam tshuam ntawm lub hnub qub magnolia (tsis zam qhov radical pruning) los yog koj tsuag qhov cuam tshuam ntawm cov nroj tsuag nrog nettle broth los yog saline daws. Feem ntau, nws raug nquahu kom tsis txhob siv cov tshuaj tua kab mob los tiv thaiv cov kab mob fungal.
Nplooj ntoos ntawm lub hnub qub magnolia
Qhov ua rau ntawm nplooj nplooj yog kab mob hu ua Pseudomonas. Nws nyiam mus tua cov nplooj thiab petals ntawm lub hnub qub magnolia. Ib qho kab mob tuaj yeem pom tau los ntawm cov xim dub, angular es tsis yog puag ncig ntawm nplooj lossis cov paj. Qhov tshwm sim nyob rau theem tom qab. Thaum kawg cov nplooj poob.
Txhawm rau tshem tawm cov kab mob, koj yuav tsum tshem tawm tag nrho cov nroj tsuag nplooj thaum lub caij nplooj zeeg thiab pov tseg kom zoo. Pseudomonas overwinters nyob rau hauv nplooj yuav ua teeb meem dua xyoo tom ntej
Vim li cas lub hnub qub magnolia mob?
Muaj ntau yam laj thawj vim li cas lub hnub qub magnolia cuam tshuam los ntawm cov kab mob. Cov no suav nrog, ntawm lwm tus:
- Hloov rau qhov chaw tsis raug thiab lub sijhawm tsis raug
- Nutrient Deficiency
- too alkaline av pH
- dej tsis txaus
- Stress
- Txoj kev cog deb ntawm lwm cov nroj tsuag me heev
- windless qhov chaw
- Too dense crown
Txhawm rau tiv thaiv qhov no, koj yuav tsum xaiv qhov chaw tsim nyog rau lub hnub qub magnolia txij thaum pib. Ntxiv rau qhov ntxoov ntxoo ib nrab, qhov chaw airy yog qhov tseem ceeb. Lighten lub crown tsis tu ncua kom dej ntawm nplooj tuaj yeem qhuav sai.
Tips & Tricks
Star magnolias yog rhiab heev rau drought. Qhov no ua rau lawv tsis muaj zog thiab ua rau lawv raug mob ntau dua. Tiv thaiv qhov no los ntawm mulching cheeb tsam hauv paus.
