Fibrous paus system: cov yam ntxwv nta thiab zog

Lub hauv paus ntawm cov nroj tsuag lub cev ua ib qho tseem ceeb functions. Lub ntsiab ntawm lawv - kho nyob rau hauv cov av, ib co kab thiab nqa dej nrog cov tshuaj yaj nyob rau hauv nws, raws li tau zoo raws li vegetative hais tawm. Lub feasibility ntawm cov dab yog txuam nrog rau ntau yam ntxwv nta ntawm lub hauv paus systems.

Yuav ua li cas yog lub hauv paus?

Lub hauv paus ntawm ib tsob nroj hu ua underground hloov khoom nruab nrog. Txawm tias pom lawm nws tshwj xeeb ntau yam - ua tsis taus pa, uas yog tau nqus noo noo nyob rau hauv cov huab cua. Nyob rau cov qauv nta ntawm ntau hom ntawm cov hauv paus hniav: lub ntsiab, sab thiab accessory.

Thawj cov nroj tsuag yeej tib yam nkaus. Los ntawm nws ncaim sab hauv paus hniav. Feem ntau, ib tug ntau ntawm lawv, ua tsaug rau nce absorptive deg hauv cheeb tsam. Cov hauv paus hniav uas loj hlob los ntawm escaping, hu ua clauses.

Hom ntawm cov hauv paus hniav tshuab

Tab sis rau tag nrho cov ntau yam ntawm underground hloov khoom nruab nrog khiav dej num ntawm ib hom ntawm tsob nroj kab mob yog tsis txaus. Yog li ntawd, lawv cov chav rau ntawv ob hom ntawm cov hauv paus hniav tshuab. Cov tub ntxhais muaj lub ntsiab thiab sab. Nws lub ntsiab kom zoo dua yog hais tias cov nroj tsuag los ntawm cov tub ntxhais system yuav tau txais cov dej los ntawm sib sib zog nqus nyob rau hauv lub hauv av.

Fibrous paus system tsim xwb adventitious keeb kwm, uas ntev los ntawm cov saum toj no-av qhov chaw ntawm cov nroj tsuag - txoj kev khiav. Lawv loj hlob ib tug loj beam, feem ntau ntawm lawv muaj tib lub ntev.

Fibrous paus system raug rau cov neeg sawv cev ntawm tsev neeg ntawm cereals (poÅ), dos, Liliaceae. Tag nrho cov ntawm lawv mus rau lub chav kawm ntawv ntawm monocotyledons.

Fibrous paus system

Ntawm cov dicotyledonous underground hloov khoom nruab nrog ntawm no hom muaj ib tug plantain. Fibrous paus system muaj rau ib tug hloov txoj kev khiav. Ib qho piv txwv ntawm qhov no yuav pab raws li ib tug pos nphuab hwj txwv los yog rhizomes ntawm ferns.

Fibrous paus system yog muaj peev xwm mus txeem mus rau hauv cov av ntawm ib tug deb ntawm ob meters. Nws muaj nws yog muaj zog txaus hlob nyob rau hauv dav.

Txij thaum pib ntawm lub ntsiab hauv paus ntawm qhov system pib loj hlob tuaj. Txawm li cas los, nws tsis ntev tuag tawm thiab yog hloov los ntawm adventitious steblerodnye hom.

Length fibrous paus system txawv. Nyob rau hauv lub zoo feem ntau ntawm cereals nws nce mus txog peb meters thiab pob kws - txog li kaum. Nyob rau hauv ib co ntawm cov feem ntau nqi cov neeg sawv cev ntawm monocots - nplej thiab rye - lub ib thooj ntawm cov adventitious keeb kwm loj hlob depths ntawm mus txog ob peb kaum ntawm centimeters. Yog li ntawd, cov nroj tsuag yog heev nkag siab tsis muaj noo noo.

Tab sis lub fibrous paus system thiab muaj ntau yam zoo. Ua nyob rau hauv ib tug ntiav qhov tob, nws npog ib tug loj npaum li cas cheeb tsam ntawm cov zaub mov. Piv txwv li, tag nrho cov qhov ntev ntawm tag nrho cov hauv paus hniav ntawm cov nplej yog hais txog 20 km.

Nroj tsuag nrog fibrous paus system

Yog hais tias lub drought yog qhov phem tshaj yeeb ncuab ntawm grasses thiab cov hauv paus hniav, cov nroj tsuag thiab noo ntuj aav nws yog tsis txaus ntshai. Tom qab tag nrho, lawv, on qhov tsis tooj, raug kev txom nyem los ntawm ib tug overabundance ntawm cov dej. Nws yuav ua rau lwj, uas yuav inevitably ua rau kev puas tsuaj ntawm cov nroj tsuag. Uas yog vim li cas lawv muaj ib tug xov tooj uas tseem ceeb heev cov cuab yeej rau txoj kev loj hlob nyob rau hauv no tej cheeb tsam. Qhov yoojyim ntau nplooj hniav, thiab nyias daim tawv. Ntawm kev tseem ceeb yog cov qauv ntawm cov underground lub cev ntawm cov teb chaws sov nroj tsuag. Ib tug loj tus naj npawb ntawm nto adventitious keeb kwm muab ceev ceev haum ntawm ib tug txaus tus nqi ntawm noo noo. Los ntawm no upward dej tam sim no yog txhab khoom mus rau nplooj uas muab transpiration txheej txheem - dej evaporation ntawm tus nto ntawm lub phaj.

Fibrous paus system yog cov yam ntxwv ntawm cov nroj tsuag uas muaj ib tug teeb. Lawv noog dej nrog yaj as-ham. Tulip, Lily, Leeks, cov qij siv rau lawv raws li lub zeem cia. Nws yuav pab lawv kom ciaj sia lub unfavorable lub sij hawm.

Kev hloov kho thiab lawv cov functions

Lub fibrous paus system feem ntau tshwm sim kho. Nyob rau hauv no hais txog, muaj ntxiv zog. Piv txwv li, adventitious keeb kwm Dahlia, Chistyakov thiab Sweet qos Sweet qos, uas yog ib tug nrov qoob loo nyob rau hauv teb chaws sov lub teb chaws, yog nyeem tas thiab tsim tubers. Lawv tsis tsuas yog lub khw as-ham thiab dej, tab sis kuj koom nyob rau hauv vegetative hais tawm. Huab cua hauv paus hniav ntawm orchids kuj clauses. Lawv yog cov tau nqus noo noo los ntawm cov huab cua.

Fibrous paus system raug rau cov hmab. Nrog nws, nws clings mus them nyiaj yug thiab hlob upwards, nqa cov nplooj mus rau lub teeb. Ib txhia teb chaws sov nroj tsuag tsim adventitious keeb kwm ncaj qha rau ntawm lub yeej thiab ceg. Loj hlob rau lub ntiaj teb, lawv mus ua khoom rau ntau lub mom. Qhov no ntaus ib yam li, thiab pob kws. Txij li thaum adventitious keeb kwm feem ntau coj txoj hauj lwm ntawm qhov chaw thiab yog tsis muaj peev xwm kom cov nroj tsuag nyob rau hauv cov av, qhov no muaj nuj nqi yog ua los ntawm ib yam ntawm cov thaub qab.

Yog li, fibrous paus system yog raug ntawm ntau cov nroj tsuag thiab muab cov tseem ceeb tshaj plaws zog ntawm txoj kev loj hlob, kev noj haus thiab tu tub tu kiv.