2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Heart rot yog hais txog ib hom fungus uas tawm tsam cov ntoo loj thiab ua rau rot nyob hauv nruab nrab ntawm cov ntoo thiab cov ceg. Cov fungus puas, tom qab ntawd rhuav tshem, tsob ntoo ntawm cov khoom tsim thiab, nyob rau lub sijhawm, ua rau muaj kev nyab xeeb. Kev puas tsuaj tuaj yeem pom los ntawm sab nraud ntawm tsob ntoo, tab sis koj tuaj yeem pom cov ntoo muaj kab mob los ntawm cov txiv hmab txiv ntoo ntawm lub cev sab nraud.
Tus Kab Mob Ntshav Qab Zib yog dab tsi?
Txhua tsob ntoo tawv tawv yog cov kab mob ntawm cov kab mob hu ua kab mob plawv. Cov fungi, tshwj xeeb tshaj yog Polyporus thiab Fomes spp., ua rau "heartwood" nyob rau hauv nruab nrab ntawm cov ntoo 'trunks los yog ceg ntoo kom lwj.
Dab tsi ua rau lub siab lwj?
Cov kab mob ua rau lub plawv rot nyob rau hauv cov ntoo tuaj yeem tua yuav luag txhua tsob ntoo, tab sis cov ntoo qub, tsis muaj zog thiab ntxhov siab feem ntau raug mob. Cov fungi rhuav tshem tsob ntoo cellulose thiab hemicellulose thiab qee zaum nws lignin, ua rau tsob ntoo feem ntau poob.
Thaum xub thawj, tej zaum koj yuav tsis tuaj yeem qhia tau tias tsob ntoo puas muaj kab mob hauv lub plawv, vim tias txhua qhov kev lwj yog nyob rau sab hauv. Txawm li cas los xij, yog tias koj tuaj yeem pom hauv lub cev vim muaj kev txiav lossis raug mob rau cov tawv ntoo, koj tuaj yeem pom thaj tsam rotted.
Qee yamntawm lub plawv rot nyob rau hauv cov ntoo ua rau fruiting lub cev uas zoo li nceb tsim nyob rau sab nraum ntoo. Cov qauv no yog hu ua conks lossis brackets. Saib rau lawv ib ncig ntawm qhov txhab ntawm tsob ntoo tawv ntoo los yog ib ncig ntawm lub hauv paus cag. Qee qhov yog txhua xyoo thiab tsuas yog tshwm sim nrog thawj los nag; lwm tus ntxiv txheej tshiab txhua xyoo.
Bacterial Heart Rot
Cov kab mob uas ua rau lub plawv rot tsob ntoo muaj feem ntau faib ua peb hom: xim av rot, dawb rot thiab mos rot.
- Brown rot feem ntau yog qhov hnyav tshaj plaws thiab ua rau cov ntoo lwj ua kom qhuav thiab tawg mus rau hauv cubes.
- rot dawb tsis tshua hnyav, thiab cov ntoo rotted zoo li ntub thiab spongy.
- Ntsuab rot yog tshwm sim los ntawm cov fungus thiab kab mob, thiab ua rau ib tug mob hu ua kab mob plawv rot.
Kab mob plawv rot hlob qeeb heev thiab ua rau muaj kev puas tsuaj tsawg tshaj plaws hauv cov ntoo. Txawm hais tias lawv ua rau lwj hauv cellulose, hemicellulose, thiab lignin hauv cov ntoo cuam tshuam, qhov kev lwj tsis kis sai lossis deb.
Pom zoo:
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