Lub Plawv-leaved Aster

Cov txheej txheem:

Video: Lub Plawv-leaved Aster

Video: Lub Plawv-leaved Aster
Video: 40 🌹🌷Best Winter flowering plants. Aster & Cineneria plants growing through seeds. 2024, Plaub Hlis Ntuj
Lub Plawv-leaved Aster
Lub Plawv-leaved Aster
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Aster cordifolia (lat. Aster cordifolius) - ib ntawm cov neeg sawv cev tsawg dua ntawm cov genus Astra, koom nrog tsev neeg Compositae, lossis Astrovye. Nws tau qhia rau hauv kab lis kev cai rov qab rau xyoo 1759, tab sis tseem tsis tshua muaj siv hauv kev ua paj zoo nkauj. Nws muaj ntau qhov nthuav thiab tseem ceeb ntau yam rau kev ua paj ntoo. Pom ib txwm nyob rau sab hnub tuaj North America.

Yam ntxwv ntawm kab lis kev cai

Aster cordifolia yog sawv cev los ntawm cov nroj tsuag muaj hnub nyoog lossis cov ntoo me me tsis pub tshaj 1.5 m hauv qhov siab. suav nrog rockeries thiab pob zeb vaj. Cov nroj tsuag tau nruab nrog txhim kho, khov kho, ntom ntom, pubescent lossis liab qab, muaj cov ceg tawv heev nrog cov xim liab thiab coj peb hom nplooj. Cov nplooj saum toj yog tag nrho, lanceolate; nruab nrab - sedentary, nqaim; qhov qis dua yog dav ovate, serrated, taw qhia ntawm cov lus qhia, cordate lossis zoo li tus hmuv ntawm lub hauv paus.

Cov paj tau sawv cev los ntawm cov pob tawb uas muaj txoj kab uas hla tsis ntau tshaj 2 cm. Pob tawb suav nrog ntau paj paj paj dawb ntawm paj dawb, ntshav lossis xim xiav (ntxoov sib txawv), thiab paj daj (tubular) paj. Cov pob tawb tau nyob ib puag ncig los ntawm cov ntaub qhwv, cov nplooj uas muaj cov kab tawm lossis oblong. Qhov tshwj xeeb ntawm daim ntawv qhwv yog qhov muaj cov lus qhia nias. Aster flowering tau pom nyob rau lub caij ntuj sov lig - thaum pib lub caij nplooj zeeg. Ntev ntev, mob siab rau paj.

Cov tsiaj yog cov yam ntxwv tiv taus te, cov nroj tsuag hauv qab daus npog tuaj yeem tiv taus te daus -40C. Aster cordate muaj ntau yam ntxim nyiam. Ntawm lawv peb tuaj yeem hais txog "Qhov Zoo Tshaj" ntau yam. Nws yog tus yam ntxwv ntawm cov ntoo uas muaj hnub nyoog ntev nrog cov nplooj ntoo tsis tu ncua thiab cov paj nrog lavender-xiav reed (paj me me). Silver Spray ntau yam tsis zoo dua. Nws yog nto moo rau ib nrab pawg txog li 150 cm hauv qhov siab, saum toj no uas pob tawb nrog cov paj zoo nkauj lilac reed flaunt. Ob hom yog photophilous, yooj yim zam qhov ntxoov ntxoo ib nrab, tiv taus kom qhuav, thiab tsis xav tau rau cov av.

Kev saib xyuas tshwj xeeb

Tsis muaj ib yam dab tsi tseem ceeb hauv kev saib xyuas rau aster-leaved aster. Kev saib xyuas cov nroj tsuag suav nrog cov txheej txheem txheej txheem, uas yog, ywg dej, txiav nyom, pub zaub mov, thiab tiv thaiv kab tsuag thiab kab mob. Pom tias hom tsiaj ntawm genus aster yog tsob ntoo uas muaj dej noo, tsis muaj dej noo tuaj yeem ua rau tsob ntoo puas tsuaj lossis ua rau cov nplooj daj tuaj ntxov thiab ua kom qhuav, uas ua rau pom qhov zoo nkauj ntawm cov ntoo ib nrab. Ib qho ntxiv, qhov tsis muaj dej cuam tshuam rau tus naj npawb ntawm inflorescences lossis lawv cov yam ntxwv zoo, lawv dhau los ua me me thiab tau tsim ua me me.

Lub aster siab tseem xav tau kev pub noj kom zoo. Phosphate chiv tshwj xeeb tshaj yog zoo rau kev loj hlob thiab kev loj hlob ntawm cov nroj tsuag. Nws raug nquahu kom nqa ob daim tiab ib lub caij. Thawj qhov cuam tshuam nrog kev siv cov chiv ua ntxhia (nyob rau lub caij nplooj ntoo hlav thaum ntxov), qhov thib ob - phosphorus thiab potassium chiv (thaum lub sijhawm tsim cov paj). Kev pub mis thib peb tsis raug txwv, nws tau ua thaum lub caij nplooj zeeg nrog kev pab ntawm cov chiv ntxhia ntxhia. Hauv ib qho chaw, aster-leaved aster tuaj yeem loj hlob, tsis yog tus nqi ntawm kev dai kom zoo nkauj, txog li 4-5 xyoos, yav tom ntej nws xav tau kev faib. Los ntawm txoj kev, kev faib tawm yog ib txoj hauv kev feem ntau ntawm kev tsim dua tshiab ntawm cov neeg sawv cev ntawm cov genus Astra.

Pom zoo: