Dab tsi ua rau noob germination - Kawm Txog Germination Factors For Seeds

Cov txheej txheem:

Dab tsi ua rau noob germination - Kawm Txog Germination Factors For Seeds
Dab tsi ua rau noob germination - Kawm Txog Germination Factors For Seeds

Video: Dab tsi ua rau noob germination - Kawm Txog Germination Factors For Seeds

Video: Dab tsi ua rau noob germination - Kawm Txog Germination Factors For Seeds
Video: 3 yam uas ua rau peb swb dab yog dab tsi tiag 2024, Kaum ib hlis
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Kev cog qoob loo yog qhov tseem ceeb rau qhov peb ua li cov neeg ua teb. Txawm hais tias pib cov nroj tsuag los ntawm cov noob los yog siv hloov pauv, germination yuav tsum tshwm sim rau lub vaj kom muaj nyob. Tab sis ntau ntawm peb siv cov txheej txheem no kom pom zoo thiab tsis nkag siab tag nrho cov yam cuam tshuam rau kev loj hlob ntawm cov noob. Los ntawm kev kawm paub ntau ntxiv txog cov txheej txheem thiab cov noob xav tau dab tsi, koj tuaj yeem tau txais txiaj ntsig zoo hauv lub vaj.

Dab tsi ua rau noob germination?

Cov txheej txheem ntawm germination yog thaum lub noob tawm ntawm dormancy, lub sij hawm uas nws cov metabolism hauv qeeb heev. Germination pib nrog imbibition, ib lo lus loj rau noj hauv dej. Nov yog lub ntsiab lus tseem ceeb los pib lub sijhawm sawv ntawm dormancy.

Raws li cov noob siv dej, nws loj dua thiab tsim cov enzymes. Cov enzymes yog cov proteins uas txhawb kev ua haujlwm metabolic hauv cov noob. Lawv rhuav tshem cov endosperm, uas yog cov noob khaws cov zaub mov, muab lub zog.

Cov noob loj hlob, thiab lub radicle, lossis thawj theem ntawm cov cag, tawm ntawm cov noob. Thaum kawg, thawj me me tua tawm los ntawm cov noob nrog cotyledons, thawj ob nplooj, thiab photosynthesis tuaj yeem pib.

Germination Factors rauSeeds

Txhim kho cov noob germination yuav tsum sib txawv nyob ntawm seb hom nroj tsuag. Tab sis lawv feem ntau suav nrog dej, huab cua, kub, thiab qhov kawg nkag mus rau lub teeb. Nws pab kom paub txog cov kev xav tau tshwj xeeb rau cov nroj tsuag uas koj tab tom ua haujlwm txhawm rau txhim kho germination. Poob deb dhau ntawm qhov yuav tsum tau ua thiab koj yuav tsis tau txais cov noob tawg, lossis tsuas yog ib feem xwb.

  • noo noo. Ntawm txhua yam uas txiav txim siab cov noob germination, dej yog thawj thiab tseem ceeb tshaj plaws. Yog tsis muaj dej nws tsis tuaj yeem tshwm sim thiab cov noob yuav nyob twj ywm. Tab sis dej ntau dhau thiab cov noob yuav lwj. Av yuav tsum moist tab sis tsis so. Kev tso dej yog qhov tseem ceeb.
  • Oxygen. Cov noob xav tau kev nkag mus rau oxygen, uas yog ib qho laj thawj vim li cas cov av ntub dej tsis zoo. Nws thaiv qhov kev nkag no. Cov av yuav tsum muaj qhov nruab nrab zoo nkauj, tsis ntim dhau los yog lub teeb dhau, thiaj li muab cov pa oxygen rau cov noob qoob loo.
  • Muaj ntau yam kev ntsuas kub rau cov noob nyob ntawm hom. Piv txwv li, koj cov noob txiv lws suav yuav tsum nyob nruab nrab ntawm 70 thiab 95 degrees Fahrenheit (21 thiab 35 C.) thiaj li yuav germinate, tab sis spinach noob tsuas germinate ntawm 45 thiab 75 degrees F. (7 thiab 24 C.).
  • Av tob. Av qhov tob kuj txawv, nyob ntawm seb cov noob loj npaum li cas. Ib lub noob muaj lub zog khaws cia, thiab yog tias nws siv tag nrho ua ntej cov cotyledons ncav cuag qhov chaw thiab nkag tau rau lub teeb, cov noob yuav poob. Cov noob loj dua xav tau qhov tob ntxiv kom tau txais cag. Cov pob ntawv cov noob yuav muab cov lus qhia tob.

Kev nkag siab ntawm noob germinationcov kev cai yog ib qho tseem ceeb rau kev loj hlob ntawm cov nroj tsuag zoo los ntawm cov noob. Paub tias koj cov noob xav tau dab tsi ua ntej koj pib yog li koj yuav tau txais feem pua ntawm cov yub thiab loj hlob mus rau hauv cov noob.

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