Lub sijhawm cov noob germination khaws cia zaub mov yog npaj los ntawm?

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Lub sijhawm cov noob germination khaws cia zaub mov yog npaj los ntawm?
Lub sijhawm cov noob germination khaws cia zaub mov yog npaj los ntawm?

Video: Lub sijhawm cov noob germination khaws cia zaub mov yog npaj los ntawm?

Video: Lub sijhawm cov noob germination khaws cia zaub mov yog npaj los ntawm?
Video: Yog Cheem Tau Lub Sij Hawm Cia. 10/2/2022 2024, Hlis ntuj nqeg
Anonim

Kev piav qhia: Gibberellins induce lub synthesis ntawm ⍺-amylase hauv aleurone hlwb. Lub ⍺-amylase catalyses lub hydrolysis ntawm starch, uas yog cov khoom noj muaj nyob rau hauv ntau cov noob.

Yuav ua li cas thiaj li khaws cia thaum lub caij cog qoob loo?

Kev cog qoob loo sai sai ua raws li kev nthuav tawm cov khoom noj tshwj tseg los ntawm cov noob khaws cov kabmob lossis endosperm, muab lub zog tseem ceeb rau roj kev loj hlob mus txog thaum cov yub dhau los ua photoautotrophic.

Dab tsi pab rau kev thauj cov zaub mov khaws cia thaum lub caij cog qoob loo?

Raws li cov theem pib tsis muaj cov hauv paus hniav, cov noob loj hlob muab khoom noj rau cov nroj tsuag loj hlob los ntawm cov zaub mov khaws cia. Cov khoom noj uas khaws cia no raug thauj mus rau qhov chaw loj hlob nrog kev pab ntawm cog hormoneCov tshuaj cog qoob loo no koom nrog hauv kev pib cog noob.

Yuav ua li cas nce noob germination?

Key Factors in Germination

Peb yam tseem ceeb uas tswj cov noob germination yog moisture, kub, thiab oxygen Lub teeb kuj yog ib qho tseem ceeb ntawm kev cog qoob loo hauv qee hom. Cov dej noo txaus, raws li tau hais los saum no, yog qhov tseem ceeb thaum lub sij hawm germination thiab seedling loj hlob.

Yuav khaws cov zaub mov rau qhov twg?

Ob qhov loj ntawm cov noob hu ua cotyledons. Cotyledons yog khaws cia cov zaub mov uas cov nroj tsuag hluas yuav siv thaum nws loj hlob.

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