Controlling Dogwood Blight: Kawm Txog Dogwood Ntoo Blight Thiab Nws Tswj

2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55

Dogwood ntoo zoo nkauj, iconic landscaping ntoo uas los ntawm hav zoov understory. Txawm hais tias lawv yog qhov zoo rau kev ntxiv ntau qhov txwv tsis pub, lawv muaj qee qhov teeb meem loj uas tuaj yeem ua rau lub siab tsis zoo ntawm koj lub vaj. Nws tsis yog xov xwm zoo thaum tsob ntoo mob, tshwj xeeb tshaj yog thaum nws yog koj tsob ntoo dogwood zoo nkauj. Dogwood ntoo blight, piv txwv li, yog cov kab mob fungal ntawm cov ntoo dogwood uas tuaj yeem hloov cov khoom muaj txiaj ntsig zoo rau hauv kev puas tsuaj loj. Nyeem ntxiv kom paub txog cov ntoo dogwood blight thiab koj tuaj yeem ua dab tsi los pab koj cov nroj tsuag hla lub sijhawm nyuaj no.

Dogwood Anthracnose Information

Dogwood blight, tseem hu ua dogwood anthracnose rau cov kab mob fungal uas ua rau tus kab mob, yog qhov teeb meem tshiab. Nws ntseeg tau tias tau pib nyob rau sab qaum teb ntawm Tebchaws Meskas txog 25 xyoo dhau los, tab sis tau kis mus rau sab qab teb txij li ntawd los.

Cov tsos mob thaum ntxov zoo ib yam li cov kab mob ntawm nplooj, nrog ntshav ciam teb me ntsis ntub dej tshwm ntawm nplooj, tshwj xeeb tshaj yog nyob ib ncig ntawm cov npoo. Thaum tus kab mob kis mus rau nplooj petioles thiab twigs, txawm li cas los xij, nws yuav pom tseeb dua. Cov nplooj uas txuas rau thaj chaw muaj kab mob no yuav shrivel thiab tig dub. Hauv kab mob siab heev, qis duacov ceg yuav tuag, cov kab mob tuaj yeem tsim ntawm cov ceg, thiab cov pob txha pob txha yuav nce ntxiv.

Control Dogwood Blight

Dogwood blight tswj yog qhov nyuaj, tab sis yog tias koj ntes nws ntxov, koj tuaj yeem txuag tsob ntoo los ntawm kev txiav tawm tag nrho cov ntaub so ntswg. Qhov ntawd txhais tau hais tias tag nrho cov nplooj, tag nrho cov twigs, thiab tag nrho cov ceg uas qhia tias muaj kab mob yuav tsum tau muab tshem tawm thiab rhuav tshem tam sim ntawd. Cov ntoo me tuaj yeem txuag tau nrog cov tshuaj tua kab mob fungicide txhua 10 mus rau 14 hnub kom ntev li ntev tau cov huab cua txias.

Tiv thaiv dogwood blight yog qhov cuab yeej zoo tshaj plaws uas koj tau txais los ua kom koj cov ntoo cog ntoo noj qab haus huv. Khaws koj cov ntoo kom zoo watered thiab fertilized yog thawj kab ntawm kev tiv thaiv, ob mus rau plaub nti (5-10 cm.) ntawm mulch kis thoob plaws hauv paus cheeb tsam yuav pab tswj cov av noo. Tshem tawm cov khoom siv qis, nthuav tawm cov ceg tsis muaj zog, thiab txiav cov dej ntas nthe dej hauv lub caij nplooj zeeg yuav tsim cov tshuaj tsis muaj txiaj ntsig rau cov kab mob.

Yog tias koj tau poob tsob ntoo rau dogwood blight, xav txog kev hloov nws nrog Oriental dogwood (Cornus kousa). Nws muaj lub siab ntev rau anthracnose. Dawb dogwoods zoo li tsis tshua muaj kev kis tus kab mob dua li lawv cov paj yeeb. Tseem muaj cov cultivars tshiab ntawm Appalachian dogwood series uas yog bred los ua anthracnose resistant. Txawm koj ua li cas los xij, tsis txhob hloov tsob ntoo dogwood rau hauv toj roob hauv pes - vim qhov no yog pes tsawg tus kab mob pib.