2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cotyledon yog ib lub genus uas suav nrog ntau yam ntawm perennial shrubby nplooj thiab qia succulentsib txwm nyob rau yav qab teb Africa thiab Arabian ceg av qab teb. Cotyledon succulents feem ntau muaj tubular txiv kab ntxwv los yog salmon liab paj nrog curled petal tswv yim uas tawg thaum lub caij ntuj sov.
Koj saib xyuas cov cotyledons li cas?
Cotyledons xav tau dawb-draining av sib tov thiab ntau hnub ci. Lawv ua siab ntev rau qhov txias, tsis muaj Frost-dawb thaum lub caij ntuj no yog tias khaws cia qhuav. Qee qhov xav tau pruning kom muaj lub ntsej muag zoo nkauj. Cotyledons yuav tsum khaws cia rau hauv qhov chaw tshav ntuj.
YKoj cog Cotyledon succulents li cas?
Cotyledon loj hlob zoo tshaj plaws nyob rau hauv ib nrab mus rau tag nrho lub hnub, nyob ntawm hom. Thaum loj hlob nyob rau hauv tsev, lawv vam meej nyob rau hauv ci, indirect teeb. Lub qhov rais sab qab teb, sab hnub tuaj, lossis sab hnub poob yuav haum rau ntau hom Cotyledon zoo. Txawm hais tias Cotyledon txaus siab rau lub hnub, lawv yuav tsum tsis txhob muab tso rau hauv lub hnub tag nrho yam tsis muaj sij hawm los hloov.
cotyledons loj npaum li cas?
Cotyledons yog cov nroj tsuag me me rau nruab nrab qhov loj me mus txog 2 meters. Tag nrho cov muaj succulent nplooj thiab thickened stems. Cotyledons lub npe los ntawm thawj ob nplooj uas ib tug dicotyledonous cog noob muaj tom qab germination. Qhov ntawd tshwm sim raws li cov nplooj loj loj uas sib npaug.
Puas yog cotyledons lom?
Kev cog qoob loo thiab siv. Feem ntau cov nroj tsuag hauv genus, thiab cov uas tau siv los suav nrog hauv genus Cotyledon,muaj tshuaj lom, txawm txaus ntshai li ntawd. Qee qhov tau cuam tshuam txog kev poob ntawm cov tshis, npua thiab nqaij qaib. Txawm li cas los xij, ntau hom tau ntev tau siv los ua tshuaj.
Pom zoo:
Puas muaj ib cotyledon lossis nplooj nplooj?
hom kab nrog ib cotyledon hu ua monocotyledonous ("monocots"). Cov nroj tsuag nrog ob nplooj embryonic hu ua dicotyledonous ("dicots"). Nyob rau hauv cov ntaub ntawv ntawm dicot seedlings uas nws cotyledons yog photosynthetic, lub cotyledons yog functionally zoo li nplooj.
Nyob hauv cov nyom ib cotyledon loj hu ua?
Nyob hauv tsev neeg nyom, cotyledon hu ua Scutellum. Yuav ua li cas yog ib cotyledon ntawm ib tug nyom embryo? hom kab nrog ib cotyledon hu ua monocotyledonous ("monocots"). Cov nroj tsuag nrog ob nplooj embryonic hu ua dicotyledonous ("
Tuaj yeem pom cov cotyledon nyob qhov twg?
Ib cotyledon yog ib feem tseem ceeb ntawm lub embryo nyob rau hauv cov noob ntawm cov nroj tsuag. Thaum germination, lub cotyledon feem ntau dhau los ua embryonic thawj nplooj ntawm ib tug yub. Tus naj npawb ntawm cov cotyledons tam sim no yog ib yam ntxwv siv los ntawm botanists los faib cov paj ntoo (angiosperms).
Leej twg yuav hais tau cotyledon?
Ntawm no yog 4 lub tswv yim uas yuav pab tau koj ua tiav koj cov lus hais ntawm 'cotyledon': Luag 'cotyledon' cia rau hauv suab: [KOT] + [UH] + [LEE] + [DUHN] - hais kom nrov nrov thiab exaggerate lub suab kom txog thaum koj tuaj yeem tsim lawv.
Cotyledon ua dab tsi?
Cotyledon, noob nplooj nyob rau hauv lub embryo ntawm ib tug noob. Cotyledons pab muab khoom noj khoom haus ib tsob nroj embryo yuav tsum tau germinate thiab tsim los ua ib tug photosynthetic kab mob thiab tej zaum lawv tus kheej yog ib qhov chaw ntawm kev noj haus reserves los yog tej zaum yuav pab lub embryo nyob rau hauv metabolizing khoom noj khoom haus khaws cia rau lwm qhov hauv cov noob.
