Nyeem cov ntaub ntawv nthuav dav txog kev loj hlob hauv cov lus pom dai elm profile ntawm no. Koj tuaj yeem paub ntau npaum li cas koj tuaj yeem yuav ib lub hanging elm ntawm no. Cog thiab saib xyuas cov lus qhia rau Ulmus glabra 'Pendula' tsim nyog nyeem.
Nyob quaj quaj thiab tu siab li cas?
Lub hanging elm (Ulmus glabra 'Pendula') yog tsob ntoo deciduous uas muaj lub kaus zoo li lub kaus thiab cov ceg ntoo. Nws ncav cuag qhov siab ntawm 3-5 m thiab hardy. Yooj yim rau tu thiab muv-phooj ywg, nws yog tsim los ua ib tsob ntoo dai kom zoo nkauj hauv tsev.
Profile
- Scientific name: Ulmus glabra pendula
- Cultivar of the species: Wych elm (Ulmus glabra)
- Genus: Elms (Ulmus)
- Synonyms: quaj elm, broadleaf elm, kaus elm
- tshwm sim: Europe, Asia, North America
- Growth type: tsob ntoo deciduous
- Txoj kev loj hlob: kaus-puab, dai
- Loj hlob qhov siab: 3m txog 5m
- Nplooj: asymmetrical-ovoid, serrated
- Paj: umbellate
- Fruit: winged nut
- Lub caij ntuj no hardiness: hardy
Growth
Hloov elm yog ib tsob ntoo me me zoo nkauj uas nws lub kaus zoo li lub kaus thiab cov ceg dai ua ib qho chaw xis nyob. Nyob rau hauv lub chaw zov me nyuam, cov graft yog grafted mus rau tus qauv cev ntawm lub zos roob elm (Ulmus glabra). Qhov tshwm sim yog ib tsob ntoo hauv tsev haum rau lub vaj nyob rau hauv ib qho kev quaj ntsuag zoo nkauj. Cov ntaub ntawv tseem ceeb ntawm kev loj hlob zoo li no, uas tsim nyog pom:
- Kev loj hlob: tsob ntoo deciduous deciduous nyob rau hauv mourning daim ntawv los yog pendula daim ntawv.
- Txoj kev loj hlob: ib leeg-stemmed, dav umbrella-shaped crown, trailing sab ceg.
- Growth height: 3 m to 5 m
- Growth width: 6 m to 8 m
- Roots: Sib sib zog nqus cov hauv paus hniav nrog runners.
- Gardenically nthuav cov khoom: yooj yim rau tu, hardy, ruaj khov, muv-phooj ywg, zam txiav, ntxoov ntxoo-casting, kav ntev.
Video: dai elm nyob rau hauv tag nrho nws lub yeeb koob
Leaf
Txoj ntoo thiab bushes nrog cov ceg ntoo poob tsis tuaj yeem sib txawv ntawm ib leeg thaum lub sijhawm tsis muaj nplooj. Nrog cov tua tshiab, kev kwv yees los txog qhov kawg. Elm ntoo feem ntau thiab dai elm tshwj xeeb tuaj yeem lees paub los ntawm cov nplooj ntoo no:
- Leaf shape: luv-stalked, asymmetrical (ib nplooj nplooj loj dua), obovate, taw tes, serrated nplooj ntug.
- nplooj loj: 10 cm mus rau 15 cm ntev, tsis tshua muaj mus txog 20 cm.
- Leaf color: Sab nruab nrab mus rau ntsuab tsaus, qab lub teeb ntsuab.
- Texture: feathery, ntxhib rau saum, plaub hau hauv qab.
- Autumn coloring: golden yellow
- Kev: alternate
Bloom
Nyob rau lub caij nplooj ntoos hlav thaum ntxov muaj ntau yam haujlwm ntawm dai elm crowns vim nws yog lub sijhawm paj. Cov muv qus, bumblebees thiab butterflies sib sau ua ke rau kev sau qoob loo nplua nuj. Txawm tias ua ntej nplooj tawm, paj tsim nrog cov yam ntxwv no:
- Inflorescence: umbel-shaped in clusters.
- Paj xim: xim av-liab
- Plauj lub sij hawm: Peb Hlis Ntuj txog Plaub Hlis
- paj ecology: hermaphrodite
Cov paj ntawm ib tug quaj ntsuag feem ntau tsim paj paj ua khoom noj tseem ceeb rau thawj cov muv qus. Nectar tsuas yog muaj nyob rau hauv qhov me me ntawm lub hauv paus ntawm stamens.
Fruit
Tom qab lub paj tawg paj, lub suab quaj quaj ua rau cov txiv hmab txiv ntoo uas muaj cov yam ntxwv zoo li no:
- Fruit type: winged nut fruit with one noob.
- Txiv hmab txiv ntoo loj: 10 mm txog 25 mm ntev.
- Fruit ripeness: April and May.
Cov noob muaj nyob rau hauv cov txiv hmab txiv ntoo yog lub teeb germinators thiab ib txwm germinators.
Excursus
kab mob Elm tsis tuaj yeem tso tseg
Tau ntau tshaj 100 xyoo, kab mob fungal tau inexorably tua ntau lab tus ntoo elm zoo kawg li. Ascomycetes ntawm genus Ophiostoma ulmi syn. Ceratocystis ulmi ua rau cov tsos mob wilting. Kab mob elm ntoo tuag nyob rau hauv ob mus rau plaub xyoos. Tus kab mob no kis tau los ntawm elm bark beetles (Scolytus), ib tug subspecies ntawm dreaded bark beetles. Lub roob elm (Ulmus glabra) yog qhov raug mob heev. Lub quaking elm (Ulmus leavis) tau ua pov thawj tias muaj kev tiv thaiv zoo heev. Cov kws tshawb fawb tseem tab tom nrhiav nrhiav txoj hauv kev zoo.
Plaub dai elm
Lub sij hawm zoo tshaj plaws los cog cov quaj ntsuag yog lub caij nplooj ntoos hlav. Lub qhov rais thib ob qhib thaum lub caij nplooj zeeg. Koj tuaj yeem yuav ib dai elm ntawm tsob ntoo chaw zov me nyuam raws li kev cog qoob loo sab saum toj ntawm tus qauv pob tw ntawm roob elm. Qhov zoo ntawm cov khoom cog txiav txim siab tus nqi. Lub kaus elm muaj qhov xav tau me ntsis ntawm qhov chaw. Cov lus qhia hauv qab no muab cov ntaub ntawv hais txog cov ntsiab lus tsim nyog paub txog kev cog qoob loo zoo hauv vaj:
Muas dai elm
Tus nqi yuav khoom rau cov nplooj ntoo npaj cog elm Ulmus glabra 'Pendula' ntau ntawm 665 euros thiab 2,750 euros. Cov lus hauv qab no muab kev nkag siab txog tus nqi dav dav raws li kev thaij duab yam tsis muaj kev thov rau cov neeg sawv cev txheeb cais:
| Lub cev ncig | High trunk | Price from |
|---|---|---|
| 8-10 cm | 200-300 cm | 665 Euro |
| 10-12 cm | 200-300 cm | 725 Euro |
| 12-14 cm | 200-300 cm | 845 Euro |
| 14-16 cm | 200-300 cm | 900€ |
| 16-18 cm | 300-400 cm | 950€ |
| 18-20 cm | 300-400 cm | 1,200€ |
| 20-25 cm | 300-400 cm | 1,300€ |
| 25-30 cm | 300-400 cm | 1,650€ |
| 30-35 cm | 300-400 cm | 2,750€ |
Hauv qhov sib piv, koj tuaj yeem yuav Ulmus glabra 'Horizontalis' rau tus nqi ntawm 360 euros thiab 990 euros. Qhov no wych elm cultivar kuj zoo siab nrog cov ceg ntoo, tsim ib txoj kab nqaim thiab loj hlob mus txog 8 meters siab.
Location
Cov no yog qhov chaw zoo tshaj plaws rau dai elm:
- Sun to partial ntxoov.
- Ntsuab mus rau me ntsis moist, nplua nuj thiab xoob-drained vaj av, nyiam calcareous.
Plaub Tips
Yuav kom lub elm quaj kom loj hlob tuaj yeem ntseeg tau, koj yuav tsum paub cov lus qhia cog hauv qab no:
- Lub qhov cog yog ob zaug loj dua lub hauv paus pob.
- Lub qhov av xoob hauv qab tso cai rau cov hauv paus tob kom loj hlob zoo dua.
- Raws li pib chiv, qhov khawb av yog enriched nrog compost thiab horn shavings.
- Ib lub rim yog tsim los ntawm excavation.
- Txoj kev txhawb nqa tiv thaiv cov tub ntxhais hluas quaj elm kom tsis txhob cuam tshuam los ntawm cua kom txog thaum lub hauv paus tau tho tob rau hauv av.
- Cov ntaub qhwv qhib rau hauv lub qhov cog, lub thawv loj yuav tsum tau muab tshem tawm ntawm lub hauv paus pob.
Thov thiav cov av kom ruaj khov, vim cov kab noj hniav cuam tshuam rau hauv paus. Nyob rau hnub cog thiab tom qab ntawd, slurry lub dai elm nrog dej ib txwm tsis ua rau dej nkag. Qhov zoo tshaj plaws, koj txuas cov ntawv txhawb nqa (€ 5.00 ntawm Amazon) thiab tus qauv ntoo nrog lub hose khi uas tsis txiav rau hauv cov tawv ntoo hluas. Thaum kawg, koj tuaj yeem mulch tsob ntoo disc nrog bark mulch.
Nkauj kho siab zim
Txoj hlua dai yog yooj yim heev rau tu. Ib qho Ulmus glabra pendula ua tsaug rau kev muab dej thiab cov khoom noj tsis tu ncua. Qee lub sij hawm pruning yog qhov zoo rau qhov zoo-groomed, densely leafy tsos. Kev nthuav tawm yuav tsum muaj kev paub tshwj xeeb ntawm kev kho tsob ntoo. Thaum nws los txog rau kev quaj ntsuag elm kab mob, kev tsom mus rau Dutch elm kab mob. Koj tuaj yeem nyeem cov lus qhia txog kev saib xyuas zoo tshaj plaws rau kev quaj ntsuag nyob rau saum toj ntawm no:
Pov
- Dej dai elm kom huv si thaum nws qhuav.
- Siv dej ib txwm los ntawm tus kais dej ua dej rau kev txais tos ntxiv cov txiv qaub.
- Tsis txhob tsuag lub kaus mom thiab dai ceg kom tiv thaiv kab mob thiab lwm yam kab mob fungal.
- Txoj mulching tsis tu ncua ua kom cov av noo thiab tsis muaj nroj tsuag ntev.
Fertilize
- Ulmus glabra pendula fertilize nrog compost thiab horn shavings nyob rau lub Peb Hlis thiab Lub Rau Hli.
- Tshuaj chiv rau hauv paus disc, rake thiab dej dua.
- Ntxiv ntxiv: Da dej tsob ntoo disc nrog comfrey manure nyob rau lub caij nplooj zeeg ntxiv dag zog rau lub caij ntuj no hardiness.
Txiav
- Txiav lub dai elm yog tias tsim nyog thaum lub sijhawm tsis muaj nplooj.
- Lub sijhawm zoo tshaj plaws los txiav yog lub caij ntuj no thaum huab cua tsis khov thiab qhuav.
- Tsua lub kaus mom txhua ob txog peb xyoos.
- Tua cov tua tsiaj qus sprouting ntawm tus qauv qia los yog hauv paus disc sai li sai tau.
Propagation
- Propagate dai elm los ntawm copulation.
- Nyob rau lub caij ntuj no, graft ib tug scion mus rau tus qauv qus rootstock.
- Zoo kom paub: tsob ntoo chaw zov me nyuam yuav zoo siab lees txais ib qho kev tsim nyog thiab ua tiav grafting rau koj. Koj tuaj yeem yuav lub roob elm tus qauv ua lub hauv paus grafting txij lub Ib Hlis mus txog rau kev nthuav tawm dai elms ntawm koj tus kheej.
Kab mob thiab kab tsuag
Yeej, lub quaj ntsuag yog ib txwm tiv taus cov kab mob thiab kab tsuag. Txawm li cas los xij, qhov muaj zog tiv taus nce mus txog nws qhov txwv thaum muaj kab mob elm bark beetle. Nyob rau hauv qhov phem tshaj plaws, bark beetle subspecies nqa cov kab mob pathogenic rau Dutch elm kab mob nrog nws. Wilting cov tsos mob nyob rau lub caij ntuj sov tsa lub tswb nrov rau cov neeg nyiam ua liaj ua teb.
Cov tsos mob pom tseeb yog qhov tsaus, lub voj voog tawg thaum koj txiav ib ceg. Nyob rau hauv thaum ntxov theem ntawm infestation, txiav rov qab mus rau noj qab haus huv ntoo yuav cawm tau lub dai elm. Txwv tsis pub, qhov cuam tshuam quaj elm yuav tsum raug tshem tawm.
Ntau yam
Tshaj qhov nrov Ulmus glabra pendula, koj tuaj yeem yuav cov zoo nkauj dai elm ntau yam ntawm cov chaw zov me nyuam:
- Weeping elm 'Horizontalis' (Ulmus glabra): majestic hanging elm, decorating umbrella crown with 3 m to 8 m siab.
- Arbor elm 'Camperdownii': compact, tsawg sprawling dai elm rau cov vaj me me, loj hlob mus txog 6 m, loj hlob dav txog 4.5 m.
- Hanging elm 'Serpentina': Rarity with hanging, bizarrely twisted branch, agent house tree for the front garden and allotment.
FAQ
Nyob rau hauv nruab nrab ntawm lub caij ntuj sov, peb quaj elm muaj xim av, curled nplooj uas poob tawm. Yog vim li cas?
Wilting nyob rau hauv nruab nrab ntawm lub caij loj hlob yog ib tug yam ntxwv tsos mob ntawm Dutch elm kab mob. Nws yog ib qho kab mob fungal uas yog ib qho tseem ceeb tshaj plaws ntawm cov kab mob quaj elm. Cov kab mob feem ntau kis tau los ntawm elm bark beetles (Scolytus). Tus kab mob tuaj yeem kuaj pom tseeb los ntawm kev txiav ib lossis ntau ceg thiab saib ntawm ntu ntu. Cov ascomycetes ua rau tsaus nti, ncig tsis zoo.
Tom qab ib hmos hmo ntuj Frost nyob rau lub Tsib Hlis, kuv cov ntoo elm quaj tseem tshuav cov ceg tawv. Puas yog Dutch elm kab mob?
Lub Tsib Hlis nws tseem ntxov dhau rau tus kab mob Dutch elm txaus ntshai. Raws li txoj cai, tus yam ntxwv wilting cov tsos mob tsis tshwm sim txog thaum lub caij ntuj sov. Raws li koj cov lus qhia, tus quaj elm yuav raug kev puas tsuaj los ntawm Frost. Txiav cov ceg ntoo rov qab mus rau ntoo noj qab haus huv. Frozen tua regenerate nyob rau hauv plaub mus rau rau lub lis piam tom qab pruning. Tua kab mob Dutch elm kab mob tsis zoo lawm.
Txoj kev npaj qhov chaw dai elm yog nyob rau hauv qhov ntxoov ntxoo ntawm tsob ntoo tshauv mus txog 3 teev tsaus ntuj, ces nyob rau hauv tag nrho cov hnub. Puas tau?
Yog hais tias dai elm tsuas tau txais lub hnub tag nrho tom qab 3 teev tsaus ntuj, qhov chaw no yog marginal. Txawm li cas los xij, tus quaj elm tej zaum yuav tuaj nrog cov teeb pom kev tsawg. Cov lus nug tseem ceeb tshaj yog kev cog kev ncua deb ntawm tsob ntoo ntoo tshauv zoo. Weeping elms tsuas tuaj yeem zam kev qhuav dej ib ntus xwb. Nyob rau lub sijhawm ntev, cov av tshiab, moist yog qhov tseem ceeb. Ib qho chaw hauv kev sib tw ncaj qha nrog cov hauv paus hniav ntawm tsob ntoo tshauv tsis pom zoo. Tsis tas li ntawd, cov dej ntws los ntawm cov ntoo tshauv ntoo tuaj yeem ua rau muaj kab mob.
Koj puas tuaj yeem hloov tus menyuam quaj 10 xyoo?
Nyob rau hauv thawj tsib mus rau rau xyoo ntawm kev loj hlob, cov dai elm tau yooj yim tiv nrog kev hloov ntawm qhov chaw. Nrog rau txhua xyoo ntxiv, qhov tshwm sim ntawm kev ua tsis tiav nce. Kev npaj zoo txo qhov kev pheej hmoo. Lub sijhawm zoo tshaj plaws yog thaum lub sijhawm tsis muaj nplooj, qhov zoo tshaj plaws nyob rau lub caij nplooj zeeg. Txiav tawm lub hauv paus pob hla ib cheeb tsam loj thiab muab cov av loj npaum li qhov ua tau nrog koj mus rau qhov chaw tshiab. Lub zog pruning yuav ua rau qhov poob hauv paus loj. Cov dej zoo tiv thaiv kev ntxhov siab thaum lub caij cog qoob loo.
