Brown nplooj ntawm lub boxwood? Ua rau thiab kev daws teeb meem

Cov txheej txheem:

Brown nplooj ntawm lub boxwood? Ua rau thiab kev daws teeb meem
Brown nplooj ntawm lub boxwood? Ua rau thiab kev daws teeb meem
Anonim

Lub thawv nrov, uas muaj ntau yam siv hauv vaj, sai sai tau xim av thiab qhuav nplooj. Qhov no tsis tas yuav yog ib qho kev qhia ntawm tus kab mob fungal txaus ntshai, feem ntau nws tsuas yog sunburn lossis frost puas. Txawm li cas los xij, thaum muaj kab mob fungicidal, ua kom sai yog qhov tseem ceeb heev.

boxwood xim av nplooj
boxwood xim av nplooj

Yuav ua li cas yog cov nplooj ntawm lub boxwood yog xim av?

Cov nplooj daj ntawm cov ntoo tuaj yeem tshwm sim los ntawm tshav ntuj, tsis muaj dej, dej nkag, tsis muaj cov as-ham, tshuaj tua kab lossis kab tsuag. Txhawm rau txhim kho qhov no, tshem tawm qhov ua rau, txiav qhov chaw qhuav thiab txhawb cov nroj tsuag nrog cov chiv chiv xws li horn shavings lossis compost.

Common Causes

Yog tias lub thawv hloov xim av, koj yuav tsum xub nrhiav qhov laj thawj ua ntej yuav ua sai sai (uas tuaj yeem ua rau muaj kev puas tsuaj loj dua). Cov nplooj xim av tuaj yeem muaj ntau yam laj thawj, qee qhov tuaj yeem kho tau sai heev:

  • qhov chaw tsis ncaj ncees: feem ntau tshav ntuj dhau, uas ua rau tshav ntuj
  • Dej tsis txaus: feem ntau tshwm sim thaum lub caij ntuj sov nyob rau hauv tshav ntuj thiab sov qhov chaw, dej tsis tu ncua
  • Waterlogging: thaum cov av nyob tas mus li tsis ntub los yog ntub dej, nws feem ntau nrog cov kab mob fungal
  • Nutrient deficiency: ploj lawm lossis tsis raug cov chiv
  • Cov khoom tiv thaiv tsob nroj: Boxwood reacts rhiab heev rau cov tshuaj, yog li nws yog zoo dua mus ua hauj lwm nrog herbal khoom
  • Pest Infestation: Feem ntau tshwm sim los ntawm kab laug sab mites los yog gall midges

Rau kev kho mob, cov laj thawj yuav tsum tau muab tshem tawm (piv txwv li los ntawm shading, txav, thiab lwm yam) thiab cov cheeb tsam qhuav yuav tsum tau txiav tawm. Horn shavings thiab lwm yam organic chiv xws li compost txhawb cov nroj tsuag hauv kev tsim tshiab, noj qab haus huv tua.

Yuav ua li cas thaum muaj kab mob fungal?

Nws nyuaj dua yog tias muaj cov kab mob fungal xws li cov dreaded tua tuag tom qab nplooj xim av. Hauv cov xwm txheej no, yog tias muaj dab tsi, tsuas yog ua kom nrawm tuaj yeem pab tau, txawm tias muaj kev sib kis me ntsis:

  • muaj zog pruning tob rau hauv ntoo noj qab haus huv
  • Sau tag nrho cov txiav thiab cov nplooj poob thiab muab pov tseg nrog tsev neeg pov tseg
  • Tsis txhob sib tov los yog tawm dag ib ncig
  • Fungal spores tuaj yeem ua rau kis tau ntau xyoo tom qab
  • Tsis txhob cog ntoo boxwood rau ntawm qhov chaw no tau ntau xyoo
  • los yog ua ib lub siab dawb paug hloov
  • Txhua zaus tshuaj tua kab mob ua tib zoo ua ntej thiab tom qab siv

Tip

Koj tuaj yeem tiv thaiv cov teeb meem nrog cov kab mob fungal los ntawm kev cog qoob loo lossis resistant hom thiab ntau yam (xws li Buxus sempervirens 'Arborescens' thiab 'Elegantissima' thiab Buxus microphylla 'Schopes' thiab 'Herrenhausen').

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