Ulmus glabra - tsob ntoo nrog ib tug Lavxias teb sab ntsuj plig

Ulmus glabra (duab paub meej tias nws) - ib tug heev zoo nkauj tsob ntoo, loj thiab lush ntoo uas yog feem ntau pom nyob rau hauv peb chaw ua si. Cog nws, tsis tsuas ib lub zuj zus, tab sis kuj nyob rau hauv kab. Elm tshwj xeeb tshaj yog zoo zoo nyob rau hauv malls, nrog rau chunky ntoo qhib, linden los yog tsis tseem ceeb stout maple. Nws muaj lwm lub npe: Elm liab qab pob zeb elm. Zaum hais tias lub birthplace ntawm tsob ntoo yog cov Lavxias teb sab thiab lub Scandinavian ceg av qab teb.

Sab nrauv nta

Thaum lub qhov siab ntawm Ulmus glabra yuav ncav cuag 40 meters. Cora muaj ib tug tus. Muaj ob tug xim: gray los yog xim av. Cov ceg yog feem ntau xim av nyob rau hauv cov xim, thiab cov nplooj sib sib zog nqus tsaus ntsuab xim ib tug loj thiab tuab yas. Nyob rau hauv nws cov tuab ntxoov ntxoo txias txawm nyob rau ib tug kub tshav ntuj hnub. Cov nplooj mus txog ib tug ntev ntawm 17 centimeters, lawv yog tshwj xeeb tshaj yog zoo nkauj nyob rau hauv lub caij nplooj zeeg thaum nws yuav siv sij hawm ib tug txawv tshaj plaw golden xim. Lub paj Bloom nyob rau hauv caij nplooj ntoos hlav. Brown los yog liab doog xim ua rau lawv tsuas charming. Flowering kav rau ib lub lim tiam, tiam sis yeej tsis tsawg tshaj li plaub hnub. Ib tug txawv feature ntawm lub elm yog xam hais tias paj yeej ib txwm tshwm sim ua ntej lub nplooj. Cov txiv hmab txiv ntoo ntawm nws - me me ntsuab krylatiki.

Zoo txoj kev loj hlob tej yam kev mob

Ulmus glabra yog suav tias yog ntawm cov ntoo centenarians, tej zaum yuav muaj 400 xyoo. Heev ceev nws yog loj hlob, tab sis xav tau ib puag ncig tej yam kev mob. Qhov tseem ceeb tshaj kev mob rau nws sau qoob yog lub xub ntiag ntawm loosened fertile av, txaus noo noo thiab zoo teeb pom kev zoo. Tab sis, cuaj kaum, tsob ntoo yog zoo heev rau lub nroog qhov chaw ua si, vim hais tias sai sai adapts mus rau tej yam kev mob ntawm lub neej rau nroog, es roj kuj. Elm muaj zog thiab muaj peev xwm mas heev txias.

Tej lub sij hawm, nws yog tsim nyog los ua trimming tsim lub crown. Lub tsuas loj disadvantage yog ib qho yooj yim mus Ulmus glabra Dutch kab mob. Ib tug pathogens ntawm tus kab mob yog scolytus elm. Yog li ntawd, elm, nyob rau hauv kev phem ntawm lub natural lub siab tawv thiab noble kuj, qhov yuav tsum tau rau tib neeg tiv thaiv tawm tsam cov teeb meem kab nyob rau hauv daim ntawv ntawm cov ntau yam tiv thaiv kev ntsuas.

hniav ntaub ntawv

Propagated los ntawm cov noob ntawm ib tug ntoo uas siv. Lawv cog sai li sai tau tom qab maturation. Zus seedlings yuav transplanted.

Ulmus glabra muaj ib tug xov tooj ntawm cov hniav rho. Lawv nyob ntawm seb feem nyob rau hauv lub cev ntawm lub crown. Nyob rau qhov no vim faib:

• pyramidal;
• quaj;
• ntsias.

Los ntawm hom ntawm lamina nram qab no ntaub ntawv paub qhov txawv: horned, curly, macrophylla. Cov xim ntawm cov nplooj: ntshav, tsaus liab doog thiab xim daj.

Ulmus glabra Pendula

Qhov no zoo nkauj tsos rau 5 meters nyob rau hauv qhov siab nrog ib tug crown txoj kab uas hla ntawm txog 10 m. Quaj densely branched ceg nrog lub hnub nyoog lowered mus rau hauv av. Tsob ntoo blossoms nyob rau hauv Tej zaum, tab sis lub paj yog me me thiab tsis dhau flashy. Nplooj yog ntxhib thiab muaj ib tug tsaus ntsuab xim, lawv anisoplural thiab nyob rau luv luv stalks. Nyob rau fertile xau ntawm xoob sai heev. Photophilous tsob nroj dej ntsuab. Yooj yim tolerates pruning. Mas siv rau ib landings. Tab sis muaj ib txhia siab koj muaj peev xwm tsim tawm ntawm nws zoo nkauj arches los yog lub tsev ntaub.