Dab tsi yog lub noob, rhizome, tuber

Cov txheej txheem:

Dab tsi yog lub noob, rhizome, tuber
Dab tsi yog lub noob, rhizome, tuber

Video: Dab tsi yog lub noob, rhizome, tuber

Video: Dab tsi yog lub noob, rhizome, tuber
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Plaub Hlis Ntuj
Anonim

Hom kab mob twg koj paub? Cov nroj tsuag puas tuaj yeem rov tsim dua siv qhov no los yog ib feem ntawm cov ntaub ntawv, yuav ua li cas hloov cov nroj tsuag nrog ib tug branched los yog complex paus system? Cov lus nug no thiab ntau ntxiv yuav tau tham hauv kab lus.

Qhov saum toj-hauv av ntawm ntau dua 75% ntawm cov nroj tsuag tuag txhua xyoo. Nyob rau hauv lub Upper fertile av txheej, lub hauv paus system tseem nyob rau hauv nws thawj los yog hloov daim ntawv. Los ntawm cov hauv paus hniav zoo tib yam (aerial) xws li tshuab yog me ntsis txawv. Hauv daim ntawv hloov kho, cov tua zoo li tubers, qhov muag teev thiab rhizomes.

Rhizomes

Rhizomes tuaj yeem pom hauv nettles, couch nyom, iris, lilies ntawm hav, houseplant aspirida.

Khawb ib tsob ntoo tawm hauv av, koj tuaj yeem hloov nws qhov qis kawg nrog lub hauv paus. Lub rhizome txawv nyob rau hauv uas, raws li nrog rau saum toj kawg nkaus tua, nws tsim apical thiab axillary buds, membranous nplai. Adventitious keeb kwm tawm ntawm lub rhizome nws tus kheej, cov tub ntxhais hluas saum toj no-hauv av tua muaj zog los ntawm buds. Thaum lub sij hawm cov txheej txheem no, tshuaj deposited los ntawm cov nroj tsuag "nyob rau hauv cia" txij li thaum lub caij nplooj zeeg yog siv.

Dos yog dab tsi
Dos yog dab tsi

Qhov tseem ceeb! Yog ib feem me me ntawm rhizomecog nyob rau hauv av raws li ib tug tshiab nroj tsuag, nws yuav noj paus thiab sai sai no muaj peev xwm mus ua hauj lwm ntawm nws tus kheej. Qee cov nroj tsuag ornamental rov tsim dua los ntawm kev faib cov rhizome rau ntau qhov chaw.

tubers

Ib tsob nroj me me los ntawm tubers. Ib tug neeg sawv cev yog qos yaj ywm. Lub tuber yog apical thickening ntawm stolon. Lawv internodes luv luv, tsis muaj chlorophyll, tab sis tig ntsuab nyob rau hauv lub teeb txaus. Tej zaum koj yuav pom tias ntawm txhua lub tuber (hauv kev nyuaj siab me) muaj 2-3 buds.

Qhov muag teev thiab rhizomes
Qhov muag teev thiab rhizomes

Qhov tseem ceeb! Nco ntsoov tias muaj ntau lub qhov muag nyob rau hauv ib feem ntawm cov qos yaj ywm, uas yog suav hais tias yog lub apical. Sab nraud yog lub hauv paus uas lub tuber txuas nrog stolon.

Tom qab saib qee yam ntawm cov yam ntxwv ntawm cov qos yaj ywm thiab cov yam ntxwv ntawm cov qos yaj ywm, nws tsis yooj yim los txiav txim siab seb lub tuber yog dab tsi. Nov yog kev hloov pauv hauv av.

Lub xub ntiag ntawm tuberous hauv paus system yog tus cwj pwm los ntawm: Corydalis, cog qoob loo Jerusalem artichoke.

bulbs

Nyob hauv qab ntawm lub dos noob yog hauv qab, uas zoo li ib tug ca qia. Hloov cov nplooj hauv qab yog nplai. Outwardly, lawv qhuav thiab piv nrog daim tawv nqaij ntawm ib tsob nroj, nyob rau hauv lawv yog fleshy thiab muaj kua. Lawv khaws dej, suab thaj thiab cov as-ham. Muaj cov kab mob ntawm lub raum nyob rau hauv qab, uas yog muab zais rau hauv cov scaly sinuses. Yog li dab tsi yog dos? Yog tias koj kawm cov yam ntxwv, nws pom tseeb tias lub teeb yog hloov kho.

Nco nws hauv vaj,koj tuaj yeem pom sai npaum li cas cov nroj tsuag yuav germinate, tsim ib tug fibrous hauv paus system nyob rau hauv qab ntawm lub hauv qab. Qee zaum cov tub ntxhais hluas dos loj hlob los ntawm ob lub raum, uas tau txais lub npe maj mam - "cov menyuam yaus". Txhua lub qhov muag teev yav tom ntej muab cov nroj tsuag nyias nyias.

teeb nws
teeb nws

dos yog dab tsi, tau kawg. Nws tseem tsuas yog qhia meej tias qhov tsim ntawm qhov muag teev yog tus cwj pwm los ntawm: dos, lilies, tulips, narcissus, qus goose dos. Tag nrho cov nroj tsuag no yog perennial.

Tam sim no koj paub nyob rau hauv cov ntsiab lus dav dav seb hom kab hauv av yog dab tsi thiab nws yooj yim npaum li cas kom paub qhov txawv ntawm lawv cov tsos.

Pom zoo: