Cov ntoo dav hlau tiv taus cov kab mob, tab sis cov kab mob fungal yog thiab tseem muaj kev hem thawj. Qee qhov dhau mus sai yam tsis ua rau muaj kev puas tsuaj loj. Lwm tus, txawm li cas los xij, rhuav tsob ntoo kom tuag. Cia peb saib peb cov kab mob fungal ntau tshaj plaws.
Yuav ua li cas cov kab mob fungal tshwm sim ntawm cov ntoo dav hlau?
Cov ntoo dav hlau tuaj yeem cuam tshuam los ntawm cov kab mob fungal xws li nplooj xim av, kab mob massaria thiab dav hlau ntoo canker. Cov no ua rau cov tsos mob xws li xim av, tawv nqaij necrosis thiab nplooj daj. Kev tiv thaiv muaj xws li kev txiav ntoo tsis tu ncua thiab tshem tawm cov kab mob.
Lub dav hlau tsob ntoo yuav tsum tau nrog cov kab mob fungal
- Leaf Tan
- Massaria kab mob
- Sycamore crab
Note:High pruned dav hlau ntoo thiab cov qauv raug kev txom nyem los ntawm drought kev nyuaj siab kuj muaj ntau raug rau powdery mildew, uas tshwm nrog ib tug dawb txheej.
Leaf Tan
Tus kab mob Apiognomonia veneta yog lub luag haujlwm rau tus kab mob no, uas cuam tshuam rau txhua hom ntoo dav hlau, tab sis tshwj xeeb tshaj yog maple-leaved dav hlau ntoo. Nplooj, tawv ntoo thiab tua qhia kev puas tsuaj hauv qab no:
- thawj nplooj qhia cov xim xim av
- cov no muaj qhov tsis sib xws, jagged zoo
- lawv pib ntawm lub hauv paus ntawm nplooj thiab khiav raws cov hlab ntsha loj
- muab nplooj poob ua ntej
- qee zaum cov tub ntxhais hluas tua pib wilt
- Qhov no yog ua raws li cortical necrosis (tuag ntawm qhov cuam tshuam)
Cov tiam tshiab ntawm nplooj feem ntau tseem noj qab nyob zoo, uas yog vim li cas tus kab mob tsis ua rau tsob ntoo tsis muaj zog heev. Tej yam zoo li txawv yog tias nws tawg ob peb xyoos ua ke. Cov kab mob raug txiav tawm thiab muab pov tseg.
Massaria kab mob
Cov ntoo dav hlau nruab nrab hnub nyoog yog cov kab mob fungal ntau dua. Thaum tshav kub kub thiab drought ua si.
- Cov tawv nqaij pib tig liab liab mus rau xim liab
- tuag thaum nws nce qib
- xyoo tom ntej tsaus nti spores tshwm rau ntawm tawv ntoo
- lub dav hlau tsob ntoo poob ntau ceg tawv
- cov nplooj ntoo ntau zuj zus lawm
- tus kab mob ntoo rots
- muaj kev pheej hmoo ntawm kev tshem tawm
Cov kab mob yuav tsum tau muab tshem tawm sai sai kom tsis txhob tawg tawm tsis tu ncua thiab tej zaum yuav ua rau tib neeg raug mob lossis ua rau khoom puas tsuaj.
Tip
Ua tib zoo saib cov ceg siab dua, vim lawv feem ntau tsuas muaj kab mob ntawm ib sab (nyob rau sab sauv). Txoj kev no koj tuaj yeem ntsuas qhov tsim nyog rau lub sijhawm zoo.
Sycamore crab
Tus kab mob, tseem hu ua dav hlau ntoo wilt, xaus tuag tom qab 3-4 xyoos vim nws tswj tsis tau. Txawm li cas los xij, tsob ntoo thiab nws cov hauv paus hniav yuav tsum raug tshem tawm ntawm lub vaj tam sim tom qab pom tus kab mob. Cov tsos mob ntawm tus mob yog:
- daj-xim nplooj ua ntej lub caij nplooj zeeg
- paj sparse foliage dress
- txiav ceg
- dab ntxwg nyoog thiab qhov chaw sunken ntawm daim tawv ntoo
