Nrog nws cov nplooj golden, cov elm golden nyiam txhua tus neeg mloog. Hmoov tsis zoo, tsob ntoo deciduous kuj raug rau cov kab mob thiab kab tsuag. Ntau tus beetles nyiam ua zes nyob rau hauv nplooj ntawm golden elm. Tsis txhob hnov qab yog Dutch elm kab mob, uas tau nce zuj zus nyob rau hauv xyoo tas los no thiab yog hem kom tsis muaj zog rau cov pej xeem ntawm cov ntoo elm. Koj tuaj yeem nrhiav kev tiv thaiv koj cov elm golden ntawm kab mob hauv kab lus hauv qab no.
Dab tsi kab mob thiab kab tsuag hem golden elms thiab koj yuav tiv tau lawv li cas?
Cov kab mob thiab kab tsuag feem ntau cuam tshuam rau cov elms golden muaj xws li Dutch elm kab mob (ua los ntawm cov kab mob fungal), elm bark beetles, gall mites thiab voles. Rau kev tiv thaiv thiab kev kho mob, pruning ntawm cuam tshuam ceg, roj tinctures, rapeseed roj, paraffin, hlau mesh los yog tshwj xeeb tshuaj tsuag yog pom zoo.
Tus kab mob Dutch elm
Tus kab mob Dutch elm yog suav tias yog kab mob hnyav tshaj plaws uas tsob ntoo elm tuaj yeem raug kev txom nyem los ntawm. Nws tsis yog qhov txawv ntawm cov fungus ua rau tsob ntoo tuag tag. Hmoov zoo, cov elm golden yog ib yam ntawm cov elm tsis tshua muaj kab mob rau cov kab mob fungal.
Thawj cim
- deformed thiab xim av nplooj nyob rau hauv lub crown
- Txawm li cas los xij, nplooj tsis poob
- Ntxhais golden elm qhuav tawm
- lub elm kub tuag
Tshuaj
Prune rov qab tag nrho cov ceg ntoo cuam tshuam ntawm thawj cov tsos mob ntawm Dutch elm kab mob. Yog hais tias tus kab mob no mus deb heev, tsob ntoo yuav tsum inevitably raug poob.
Pests
Cov kab ntau tshaj plaws ntawm cov elm yog
- lub elm bark beetle
- Gall mites los yog elm gall aphid
- Voles
cov ceg qhuav, qhov hauv cov tawv ntoo lossis kab laug sab web zoo li xov ntawm cov ceg yog cov cim tseem ceeb ntawm kab tsuag kab.
Nkauj tawm tshiab
Ntsuab elm kab beetle yog kab kab uas txaus ntshai tshaj plaws ntawm cov kub elm. Tsis muaj qhov xav tsis thoob, vim nws kis tus kab mob fungus lub luag haujlwm rau Dutch elm kab mob. Nws tuaj yeem muab tso rau hauv davhlau nrog ib qho tshwj xeeb roj tincture. Txawm li cas los xij, nws tsuas yog pom lub caij nplooj ntoo hlav tom ntej seb qhov kev ntsuas tau ua tiav. Nws muaj kev nyab xeeb dua rau radically txiav rov qab cov ceg cuam tshuam. Koj yuav tsum tsis txhob coj lub ntsej muag ntawm tsob ntoo mus rau hauv tus account, tab sis theej tshem tag nrho cov kab mob.
Gall mites and the elm gall aphid
Thickening ntawm nplooj qhia gall mites. Cov kab tsuag tsis nyiam cov roj rapeseed lossis paraffin txhua. Koj tseem tuaj yeem tau txais ntau yam tshuaj tsuag los ntawm cov khw muag khoom tshwj xeeb
Voles
Koj tuaj yeem paub meej cov voles los ntawm qhov hollow tunnels hauv av ze ntawm lub cev. Lawv ua puas lub golden elm los ntawm kev noj cov hauv paus hniav thiab yog li txwv tsis pub cov dej. Raws li kev tiv thaiv kev tiv thaiv, tso cov hlau mesh hauv cov av thaum cog cov elm golden.
