Hosta Southern Blight Fungus - Kho Ib Tug Hosta Nrog Southern Blight

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

Loj hlob nyob rau hauv ib feem rau tag nrho ntxoov ntxoo, hostas yog ib qho chaw pw heev thiab toj roob hauv pes nroj tsuag. Nrog rau lawv qhov ntau thiab tsawg, xim, thiab cov qauv, nws yog ib qho yooj yim mus nrhiav tau ntau yam uas phim txhua hom xim ornamental. Txawm hais tias tsis tshwj xeeb tshwj xeeb rau lawv cov paj siab siab, hosta foliage yooj yim tsim kom muaj lub zog, lush hauv vaj. Hostas feem ntau yooj yim loj hlob thiab saib xyuas tsis pub dawb, tab sis muaj qee qhov teeb meem uas cov neeg ua liaj ua teb yuav tsum tau them sai sai rau. Ib qho kab mob zoo li no, yav qab teb blight ntawm hosta, tuaj yeem ua rau muaj kev poob siab loj rau cov neeg cog qoob loo.

About Southern Blight on Hostas

blight yav qab teb yog tshwm sim los ntawm ib tug fungus. Tsis txwv rau hosta, tus kab mob fungal no paub los tua ntau yam ntawm cov nroj tsuag vaj. Zoo li ntau cov kab mob fungi, spores kis tau thaum lub caij ntuj sov tshwj xeeb los yog huab cua ntub. Qee zaum, cov kab mob tau nkag mus rau hauv lub vaj los ntawm kev hloov cov kab mob los yog cov kab mob sib kis.

Vim qhov ua rau yav qab teb blight, Sclerotium rolfsii, yog kab mob kab mob, qhov no txhais tau hais tias nws nquag nrhiav cov khoom cog nyob rau qhov twg los pub.

Cov cim ntawm Hosta Southern Blight Fungus

Vim qhov ceev ntawm cov nroj tsuag kis kab mobthiab wilt, yav qab teb blight tuaj yeem ntxhov siab heev rau gardeners. Ib tug hosta nrog yav qab teb blight thawj zaug qhia nws tus kheej nyob rau hauv daim ntawv ntawm yellowing los yog wilting nplooj. Nyob rau hauv ib hnub, tag nrho cov nroj tsuag yuav tuag rov qab, qhia cov cim ntawm rot ntawm lub crown ntawm cov nroj tsuag.

Ntxiv rau, cov neeg cog qoob loo tuaj yeem pom muaj qhov me me, liab, zoo li cov hlaws loj hlob hu ua sclerotia. Txawm hais tias lawv tsis yog cov noob, cov sclerotia yog cov qauv uas cov fungi yuav rov pib loj hlob thiab pib kis hauv lub vaj.

Controlling Hosta Southern Blight

Thaum tsim nyob rau hauv lub vaj, tus kab mob tej zaum yuav nyuaj heev rau tshem tawm. Thaum nws muaj peev xwm siv qee hom fungicide drenches ntawm cov nroj tsuag ornamental, qhov no feem ntau yog siv los tiv thaiv kev ntsuas es tsis yog kev kho mob rau yav qab teb blight ntawm hostas.

Ntxiv mus, cov tshuaj tua kab mob tsis tau qhia rau lub vaj tsev. Kev tshem tawm cov kab mob nroj tsuag ntawm thaj chaw yog qhov tseem ceeb tshaj plaws. Kev qhia txog yav qab teb blight rau hauv lub vaj yuav zam tau los ntawm kev ua kom cov nroj tsuag tsis muaj kab mob los ntawm cov chaw muaj koob npe hauv vaj thiab cov chaw zov me nyuam.