Nkauj ntoo kuj mob. Cov nceb tshwj xeeb ua rau muaj teeb meem rau lawv nrog kev ua haujlwm zoo. Cov kab mob fungal tsis yog ib yam uas yuav tsum tau ua nrog. Hauv qhov phem tshaj plaws, nws tuaj yeem ua rau tuag ntawm qhov cuam tshuam boxwood. Rau tus tswv vaj uas xav kom txaus siab rau nws cov ntoo me ntev ntev, nws yog qhov tseem ceeb heev kom paub txog cov kab mob xws li boxwood wilt nyob rau lub sijhawm zoo thiab tom qab ntawd tawm tsam lawv.
Type of disease
Cov ntoo thawv yeej tseem ceeb yuav tsum sib cav nrog ob hom kab mob - wilting thiab tua tuag. Cov wilt tuaj yeem muab faib ua Phytophthora wilt thiab Fusarium buxicola wilt. Txhua tus neeg uas xav tau lossis xav tau los daws cov kab mob boxwood yuav tsum tau ua nrog peb cov kab mob no. Lawv yog cov nyob deb tshaj plaws, thaum lwm tus ua si yuav luag tsis muaj lub luag haujlwm. Dab tsi yog qhov nthuav yog tias peb kab mob boxwood no tshwm sim los ntawm fungi. Cov kab mob fungal feem ntau tshwm sim hauv cov ntoo boxwood. Nws tsuas yog ua tau los ntawm qhov chaw tsis raug lossis kev saib xyuas tsis raug. Txij li cov kab mob fungal yog qhov nyuaj heev rau kev tawm tsam, koj yuav tsum tsis txhob cia nws mus deb thiab tsom mus rau kev tiv thaiv.
Kev tiv thaiv
Kev tiv thaiv zoo dua kev kho. Qhov no kuj siv tau rau boxwoods. Qhov tshwm sim ntawm cov kab mob fungal tuaj yeem txo qis los ntawm tag nrho cov kev ntsuas thiab kev ceev faj. Cov no yog:
- tsis txhob fertilize nrog nitrogen chiv
- muab nyiam rau cov organic chiv xws li compost
- ib txwm dej hauv qab thiab tsis txhob los saum toj
- Tsis txhob tso dej thiab tejzaum tso dej
- Ua kom cov av nplua nuj nyob hauv humus thiab zoo-drained
- Yog pH tus nqi qis dua xya, nco ntsoov ntxiv txiv qaub
Yog tias koj coj cov ntsiab lus no rau hauv tus account thiab siv lawv tsis tu ncua, boxwoods feem ntau npaj tau zoo kom loj hlob thiab vam meej yam tsis muaj teeb meem.
Tip:
Txhua zaus tua cov cuab yeej txiav kom huv si ua ntej thiab tom qab txiav lub thawv ntoo. Thaum txiav nrog cov cuab yeej qias neeg, cov kab mob tuaj yeem tshwm sim tau yooj yim.
Illness pictures
Yog hais tias lub boxwood tau mob txawm tias tag nrho cov kev tiv thaiv kev tiv thaiv, thawj kauj ruam yuav tsum tau ua kom paub tseeb tias tus kab mob yog dab tsi. Raws li twb tau hais lawm, koj tuaj yeem ua tib zoo mloog peb cov kab mob. Txhawm rau kom paub tseeb lawv, koj yuav tsum ua tib zoo saib ntawm cov nroj tsuag cuam tshuam. Nws feem ntau pom cov tsos mob ntawm tus mob lossis kev puas tsuaj uas tso cai rau kev faib tawm kom meej. Yog li ua ntej sib ntaus sib tua, muaj thawj tswj.
Tip:
Cov ntoo thawv yuav tsum tau kuaj xyuas tsis tu ncua rau cov kev hloov ntawm lawv cov tsos. Qhov no yuav pab kom kuaj tau cov kab mob ua ntej.
Boxwood tua tuag
Tua tuag yog qhov ntshai tshaj plaws ntawm tag nrho cov kab mob boxwood. Nws yog ib qho yooj yim kom paub txog vim hais tias txiv kab ntxwv thiab brownish me ntsis rau ntawm nplooj ntsuab. Raws li tus kab mob loj tuaj, cov chaw no sib sau ua ib qho chaw kaw. Kev sib ntaus tsuas yog ua tau nyob rau theem pib. Thaum spores deposits tau tsim nyob rau hauv underside ntawm nplooj thiab tua muaj dub longitudinal kab txaij, nws yog lig dhau lawm thiab tswj yog tsis yooj yim sua. Tom qab ntawd txoj kev daws teeb meem nkaus xwb yog txhawm rau rhuav tshem lub thawv kom sai li sai tau.
Phytophthora wilt
Thaum twg peb tham txog boxwood wilt, nws yuav tsum tau hais tias muaj ntau hom wilt. Phytophthora wilt yog ib qho ntawm feem ntau. Koj tuaj yeem paub lawv los ntawm qhov tseeb tias nplooj tig lub teeb ntsuab thiab curl. Tsis tas li ntawd, tsob ntoo loj hlob tsis zoo los yog tsis muaj ntxiv lawm. Qhov ua rau ntawm no yog cov hauv paus rot tshwm sim los ntawm fungus. Waterlogging feem ntau tso cai rau cov fungus nkag mus.
Fusarium buxicola wilt
Fusarium buxicola wilt yog hom thib ob ntawm wilt ntawm boxwoods. Nws manifests nws tus kheej nyob rau hauv lub fact tias nplooj thiab tua tuag dheev. Feem ntau, qhov ntau lossis tsawg ntawm tsob ntoo raug cuam tshuam, thaum lwm qhov txuas ntxiv mus.
Combat
hais ncaj nraim, sib ntaus cov kab mob fungal zoo li cov tau piav saum toj no tuaj yeem yog qhov nyuaj. Hauv theem siab, tsuas yog siv cov fungicides tshwj xeeb los ntawm cov khw muag khoom tshwj xeeb feem ntau pab. Txawm li cas los xij, nyob rau theem pib mus txog thaum ntxov, kev ntsuas hauv qab no kuj tseem yuav txaus:
- Tshem tawm tag nrho cov nplooj, tua thiab ceg
- muaj zog pruning txoj cai rau hauv ntoo noj qab haus huv
- Hloov cov av saum toj kawg nkaus
Tom qab muaj lub ntsiab lus tshwj xeeb heev. Fungal spores feem ntau pom muaj nyob rau hauv cov av, qhov chaw uas lawv feem ntau muaj cov kev ua neej zoo tagnrho. Yog tias koj tshem tawm ib qho ntawm cov nroj tsuag thaum ntxov, nws yog qhov siv me me yog tias cov fungus tuaj yeem rov nkag mus rau cov nroj tsuag hauv av. Kev tshem tawm ntawm cov av yuav tsum tau ua tib zoo saib xyuas kom tsis txhob raug mob rau cov hauv paus hniav rhiab heev. Hauv cov ntsiab lus no, koj tuaj yeem tshawb xyuas seb puas muaj cov hauv paus rot. Cov av tshiab yuav tsum muaj feem ntau ntawm humus. Cov av tshem tawm, uas tej zaum yuav kis tau nrog cov kab mob fungal, yuav tsum tau muab pov tseg rau hauv cov thoob khib nyiab.
Note:
Cov av uas muaj kab mob los ntawm cov kab mob yuav tsis muab pov tseg rau hauv compost, thiab yuav tsum tsis txhob txiav nplooj, tua thiab ceg. Qhov phom sij loj heev uas cov fungus yuav tua cov nroj tsuag tom ntej.
Ultima Ratio
Yog hais tias tus kab mob no twb nce mus lawm, feem ntau tsis muaj kev cawmdim rau lub boxwood. Txij li thaum nws yuav inevitably tuag, nws yog pom zoo kom tshem tawm tam sim ntawd. Nws yog qhov zoo tshaj plaws nyiam kiag li. Cov hauv paus hniav yuav tsum tau khawb thiab tshem tawm cov txheej saum toj kawg nkaus ntawm cov av. Tag nrho cov khoom uas tshwm sim yog muab pov tseg rau hauv lub thoob khib nyiab los yog tej zaum hlawv. Rau kev nyab xeeb, koj yuav tsum tsis txhob cog lwm lub thawv ntoo hauv thaj tsam cuam tshuam, tab sis siv lwm cov nroj tsuag.
