Cryphonectria Canker Treatment: Kawm Txog Eucalyptus Canker Disease

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Cryphonectria Canker Treatment: Kawm Txog Eucalyptus Canker Disease
Cryphonectria Canker Treatment: Kawm Txog Eucalyptus Canker Disease

Video: Cryphonectria Canker Treatment: Kawm Txog Eucalyptus Canker Disease

Video: Cryphonectria Canker Treatment: Kawm Txog Eucalyptus Canker Disease
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Nyob hauv thaj chaw hauv ntiaj teb uas eucalyptus tau cog qoob loo raws li kab txawv hauv kev cog qoob loo, cov kab mob eucalyptus canker tuaj yeem tuag. Canker ntawm eucalyptus yog tshwm sim los ntawm cov fungus Cryphonectria cubensis, thiab txawm hais tias cov fungus muaj qee zaus pom nyob rau hauv eucalyptus nyob rau hauv teb chaws Australia qhov twg tsob ntoo yog haiv neeg, yog nws tsis suav hais tias yog ib qho teeb meem loj nyob rau ntawd. Txawm li cas los xij, hauv lwm thaj chaw uas tsob ntoo tau cog qoob loo, xws li Brazil thiab Is Nrias teb, kev poob ntawm eucalyptus ntoo nrog canker tuaj yeem ua rau puas tsuaj.

Cov tsos mob ntawm Eucalyptus Canker Disease

Canker ntawm eucalyptus tau pom thawj zaug hauv South Africa xyoo 1988. Eucalyptus kab mob canker tua cov ntoo hluas hauv thawj ob xyoos ntawm lub neej los ntawm girdling stems ntawm lub hauv paus. Cov ntoo girdled wilt thiab nyob rau hauv kub, qhuav summers, feem ntau tuag dheev. Cov uas tsis tuag tam sim ntawd feem ntau muaj cov tawv ntoo tawg thiab o.

Cov tsos mob ntawm eucalyptus ntoo nrog canker yog defoliation tom qab tsim cov cankers, kab mob ntawm cov tawv ntoo thiab cambium. Cov kab mob necrotic no yog tsim los ntawm kev tawg ntawm cov ntaub so ntswg uas tshwm sim los ntawm tus kab mob. Cov kab mob hnyav ua rau tuag ntawm ceg lossis txawmlub crown.

Eucalyptus ntoo tau kis kab mob los ntawm qhov txhab thaum cov kab mob asexual spores tawg los ntawm nag lossis hauv qee thaj tsam cua thiab txhawb nqa los ntawm qhov kub thiab txias. Qhov twg tsob ntoo teb rau cov kab mob canker yog cuam tshuam rau ib puag ncig tej yam kev mob uas ua rau dej los yog kev noj haus kev nyuaj siab thiab defoliation.

Cryphonectria Canker kho

Kev kho mob cryphonectria canker ua tau zoo tshaj plaws suav nrog kev cuam tshuam kev puas tsuaj ntau npaum li sai tau thiab nyob rau hauv rooj plaub ntawm kev raug mob, kev tiv thaiv kev huv ntawm lub qhov txhab.

Ntau ntau yam ntawm eucalyptus yog cov kab mob ntau dua. Cov no suav nrog:

  • Eucalyptus grandis
  • YEucalyptus camaldulensis
  • YEucalyptus salign
  • YEucalyptus tereticornis

Tsis txhob cog cov tsiaj no hauv thaj chaw ntawm eucalyptus ntau lawm ua ke nrog kev nyab xeeb ntawm huab cua sov thiab nag hnyav. E. urophylla zoo li muaj kev kam rau tus kab mob ntau dua thiab yuav yog qhov kev xaiv zoo dua rau cog.

Pom zoo: