2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Hypoxylon canker ntawm tsob ntoo tuaj yeem yog ib qho kab mob loj heev. Nws kis tau thiab feem ntau tua cov ntoo uas twb tsis muaj zog lawm los ntawm kev mob tsis zoo, kab mob, lossis kev puas tsuaj. Paub cov cim qhia tuaj yeem pab koj txuag tsob ntoo yog tias tus kab mob tseem tsis tau kis mus rau lub cev.
Hypoxylon Canker Disease yog dab tsi?
Nov yog ib yam kab mob uas tshwm sim los ntawm Hypoxylon canker fungus, tiag tiag yog ib pawg ntawm fungi hom nyob rau hauv Hypoxylon genus. Kab mob los ntawm cov kab mob no ua rau tus kab mob canker, ib qho teeb meem tshwm sim hauv cov ntoo tawv.
Cov kab mob feem ntau yog siv sijhawm ntev, txhais tau hais tias lawv nyiam tua cov ntoo uas twb tsis muaj zog lossis muaj kab mob. Tus kab mob no tsis yog teeb meem loj rau cov ntoo noj qab haus huv. Kev puas tsuaj los ntawm Hypoxylon canker kab mob feem ntau yog dav. Thaum nws nkag mus rau hauv lub cev ntawm tsob ntoo, nws feem ntau tuag.
Hypoxylon fungi kis spores raws li lawv tso rau saum huab cua tom qab huab cua ntub thiab nag. Yog hais tias cov spores tsaws rau lwm tsob ntoo thiab tej yam kev mob nyob twj ywm thiab sov li ob peb hnub, nws yuav kis tau tus ntoo tshiab. Kab mob tshwm sim ntawm qhov txhab thiab tawg hauv daim tawv nqaij.
Identifying Hypoxylon Canker on Trees
Txhua yam ntoo tawv tuaj yeem kis tau los ntawm cov kab mob Hypoxylon. Nroj tsuag uas muaj kev cuam tshuam tshaj plaws tau raug kev nyuaj siab los ntawm cov xwm txheej tsis zoo xws lidrought, cag puas, lossis lwm yam kab mob. Oaks feem ntau yog cov neeg raug mob ntawm tus kab mob no thiab nyob rau hauv Midwest, nws yog tus naj npawb ib ua rau tuag ntxov nyob rau hauv quaking aspens.
Cov tsos mob tseem ceeb ntawm tus kab mob yog qhov muaj cov kab mob ntawm cov ceg thiab pob tw. Lawv feem ntau pom thawj zaug ntawm lub plab, qhov txhab, thiab cov koom haum koom ua ke. Cankers thaum hluas yog du thiab daj, txiv kab ntxwv, los yog xim av xim av. Thaum lawv laus lawm, cov chaw ntawm cov cankers tig grey thiab dawb thiab zoo li blotchy, thaum cov npoo nyob daj lossis txiv kab ntxwv. Cov me nyuam muaj hnub nyoog ob xyoos kuj tseem yuav muaj grey pegs hauv qab tawv.
Cov kab laus tshaj plaws tau lwj ntoo hauv qab, uas feem ntau zoo li dub zoo li nws tau hlawv los ntawm kev hlawv. Tej zaum yuav muaj kab mob ntawm tsob ntoo tho kab thiab qhov los ntawm woodpeckers.
Hauv cov ntoo muaj kab mob, koj tuaj yeem pom cov nplooj me me, nplooj daj, txo qis kev loj hlob hauv cov ceg ntoo, thiab cov ntoo nyias nyias. Kuj tseem tuaj yeem muaj ntau tus ceg ntoo tuag thiab ceg ntoo ntawm tsob ntoo muaj kab mob.
Hypoxylon Canker Control
Qhov zoo tshaj plaws uas koj tuaj yeem ua tau los tswj tus kab mob no yog tiv thaiv nws. Kev kho Hypoxylon canker tam sim no tsis tuaj yeem ua tau, vim tsis muaj cov tshuaj fungicides uas tua cov kab mob. Txhawm rau tiv thaiv, pib nrog ua kom cov ntoo noj qab haus huv. Xyuas kom lawv muaj cov xwm txheej zoo tshaj plaws rau cov av, dej, thiab cov as-ham zoo li tsis muaj kab tsuag thiab lwm yam kab mob.
Yog tias koj twb pom cov kab mob cankers ntawm cov ceg ntoo tab sis tsis yog lub cev, koj tuaj yeem txuag tau nrog pruning. Txiav tawm cov ceg ntoo uas cuam tshuam 8 mus rau 12 ntiv tes (20-30 cm.) hauv qab cov cankers. Tsis tas li ntawd, trimcov ceg ntoo uas pom kev raug mob uas tuaj yeem ua rau kis tau yooj yim.
Ua kom cov kab mob puas tsuaj los ntawm kev hlawv thiab tua cov cuab yeej ua ntej siv dua. Yog tias koj muaj tsob ntoo uas muaj kab mob hauv lub cev, nws yog qhov zoo tshaj kom tshem tawm thiab rhuav tshem tag nrho tsob ntoo kom tsis txhob kis mus rau lwm tus.
Pom zoo:
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