Lub larch yog ib tug raug conifer thiab tseem nws kuj muaj ob peb peculiarities. Muaj ntau surprise nyob rau hauv nws uas tsis yog ib txwm pom tseeb ntawm thawj glance. Pib nrog cov paj yeeb yuj thiab xaus nrog cov ntoo nyuaj tshaj plaws hauv tsev neeg conifer.
Dab tsi yog cov yam ntxwv tseem ceeb ntawm larch?
Lub larch (Larix) yog ib tug deciduous conifer uas tshwm sim nyob rau hauv 10 mus rau 20 hom. Cov yam ntxwv tshwj xeeb yog lawv cov conical loj hlob nrog qhov siab ntawm 30-50 m, lub neej ntev ntawm 200-800 xyoo, tso cov koob rau lub caij nplooj zeeg, paj yeeb yuj thiab tawv, huab cua-resistant ntoo.
Npe thiab hom
Lub larches, bot. Larix, yog ib qho txawv ntawm cov nroj tsuag los ntawm tsev neeg ntoo thuv. Nyob ntawm qhov chaw, cov genus suav nrog 10 txog 20 hom. Cov neeg nto moo tshaj plaws hauv lub tebchaws no yog:
- European larch - Larix decidua
- Siberian larch - Larix sibirica
- Japanese larch - Larix kaempferi
Tsim thiab faib
European larch yog ib txwm nyob rau peb thiab muaj nws qhov chaw faib khoom loj hauv Central European siab toj siab. Lub hauv paus chiv keeb ntawm ob hom tuaj yeem pom los ntawm lawv cov npe. Tam sim no lawv tau los ua ib haiv neeg rau peb thiab yog ib qho tsim, txawm tias me me, ib feem ntawm cov neeg ntoo.
Kev loj hlob thiab hnub nyoog
Peb hom larch uas tau hais los saum toj no txawv me ntsis hauv kev loj hlob thiab hnub nyoog. Cov no yog cov ntsiab lus tseem ceeb:
- Loj hlob qhov siab 30 txog 50 m
- Hnub nyoog: 200-400 xyoo
- qee zaum kuj 600-800 xyoo
- slender, conical crown
- nrog hnub nyoog nws yuav nthuav ntau
- hluas nkauj tawv tawv thiab grey
- tom qab tuab, flaky thiab reddish xim av
- Hlub hauv paus system ntawm tob thiab ntiav cov hauv paus hniav
koob
Larch yog ib qho ntawm ob hom ntoo coniferous uas tso lawv cov koob thaum lub caij nplooj zeeg. Vim li no thiaj tseem hu ua tsob ntoo deciduous.
- 20 - 40 koob, teem rau hauv rosettes hauv pawg
- koob yog nqaim, flattened thiab blunt
- thawj lub teeb ntsuab, tom qab tsaus ntsuab
- soft thiab pliable
- Length: 10-30 mm
Floos
Lub larch yuav siv sij hawm 15 mus rau 40 xyoo ua ntej nws tsim paj thawj zaug. Txawm nyob rau lub sij hawm tom qab, tsob ntoo ib txwm blooms ob peb xyoos sib nrug. Lub sijhawm paj yog Lub Peb Hlis txog Lub Tsib Hlis.
- txiv neej paj yog daj-kub thiab qe-zoo li tus
- lawv nyob nruab nrab ntawm 5 txog 10 mm ntev
- poj niam paj yog ovate thiab me ntsis elongated
- 10 mus rau 20 mm ntev thiab sawv ntsug
- lawv liab liab, tig ntsuab rau lub caij nplooj zeeg
txiv hmab txiv ntoo thiab noob
Tom qab flowering, cov noob xav tau ib xyoos kom paub tab thiab sprout. Cov txiv ntoo lawv tus kheej nyob ntawm tsob ntoo li 10 xyoo.
- 4 hli ntev noob nrog tis
- cov cones yog xim av thiab qe-puab
- Length yog 2.5 txog 4 cm
- Dav yog 1.5 txog 2 cm
Propagation
Larch yog propagated ntawm noob los yog cuttings kwv yees li 30 cm ntev.
Qhov yuav tsum tau muaj
Lub larch yog hardy down mus rau -40 ° C thiab muaj sia nyob txawm tias lub caij ntuj no khov. Nws yuav tsum muaj cov xwm txheej hauv qab no:
- Sun to partial ntxoov
- loamy, moist, acidic rau me ntsis alkaline av
- muab chaw txaus rau cov cag muaj zog
Kab mob thiab kab tsuag
- Grey larch npauj
- Larch Crab
- Grey nees
- Larch degeneration
- Larch Shake
Usage
Larch ntoo yog tsob ntoo zoo. Ntoo yog tawv thiab huab cua-resistant. Nws yog haum rau ob qho tib si load-bearing lug thiab sab nraum zoov siv.
Larch feem ntau sawv ua ib tsob ntoo zoo nkauj nyob hauv cov tiaj ua si thiab vaj.
Toxicity
Larch tsis lom. Cov tub ntxhais hluas tua tuaj yeem npaj ua tshuaj yej. Lub larch kuj muaj cov khoom xyaw kho uas siv rau hauv ntau cov tshuaj npaj.
