Video: Cov tshuaj twg ua txhaum cov noob tsis nyob?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Gibberellins ( GAs ) ua txhaum cov noob dormancy thiab txhawb kev cog qoob loo (1, 2), thiab ntau lwm yam tshuaj hormones, suav nrog brassinosteroids , ethylene , thiab cytokinin cov , kuj tau pom tias txhawb cov noob germination (3, 4). Txawm li cas los xij, abscisic acid ( ABA ) yog tib yam tshuaj hormones paub induce thiab tswj cov noob dormancy.
Dhau li ntawm no, yuav ua li cas gibberellins tawg cov noob dormancy?
Gibberellins tau tsim tawm hauv huab hwm coj ntau dua thaum tsob ntoo raug cua txias. Lawv txhawb cov cell elongation, tawg thiab tawg paj, tsis muaj txiv hmab txiv ntoo, thiab noob kev loj hlob Lawv ua qhov kawg ntawm tawg cov noob dormancy thiab ua yeeb yam tshuaj lom neeg.
Ib yam li ntawd, dab tsi yog qhov cuam tshuam rau cov noob dormancy? Txoj kev tshawb no tau hais txog qee qhov noob dormancy Kev rhuav tshem cov txheej txheem, suav nrog ntau qhov sib txawv ntawm gibberellic acid (GA3) thiab potassium nitrate (KNO3), leaching ntev, lub cev scarification nrog rau qee qhov ib puag ncig. yam siv tau rau noob germination xws li ntsev thiab drought stresses, pH thiab noob
Tsis tas li ntawd, dormancy thiab breaking ntawm dormancy yog dab tsi?
Cov " tawg "Ntawm dormancy . Cov noob ntawm ntau hom tsis tuaj yeem tshwm sim tam sim tom qab raug rau cov xwm txheej feem ntau nyiam rau kev cog ntoo tab sis xav tau " tawg "Ntawm dormancy , uas tej zaum yuav txuam nrog kev hloov ntawm cov noob tsho loj los yog nrog lub xeev ntawm lub embryo nws tus kheej.
Yuav ua li cas abscisic acid inhibit noob germination?
Abscisic acid (ABA) reversibly ntes embryo txoj kev loj hlob ntawm lub brink ntawm radicle kev loj hlob pib, inhibiting kev nqus dej uas nrog rau embryo kev loj hlob . Noob uas tau khaws cia nyob twj ywm los ntawm ABA tau ob peb hnub yuav, tom qab tshem cov tshuaj hormone, yoo dej sai thiab txuas ntxiv mus kev loj hlob txheej txheem.
Pom zoo:
Koj tuaj yeem pom cov noob taum nyob qhov twg?
Qhov chaw zoo tshaj plaws kom coj koj lub plawv dhia yog nyob ntawm koj lub dab teg, sab hauv lub luj tshib, ntawm koj lub caj dab lossis saum koj txhais taw, raws li Lub Koom Haum American Heart Association. Koj tuaj yeem nqa koj lub plawv dhia ntawm koj lub puab tais, ntawm koj lub tuam tsev lossis tom qab koj lub hauv caug. Lub plawv dhia ntawm lub caj dab hu ua carotid pulse
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Koj ua li cas cog cov noob tsis muaj noob?
Sau ib lub hub nrog dej sov thiab muab cov noob rau hauv. Tso lawv rau hauv lub thawv rau tsib hnub, lossis kom txog thaum koj pom qee cov noob poob rau hauv qab. Tshem tawm cov sunken, siv tau, noob thiab muab tso rau hauv ib lub colander. Tso cov noob uas tseem tshuav, cov khib nyiab thiab lwm yam khoom siv organic rau hauv cov khib nyiab lossis compost
Dab tsi yog qhov sib txawv ntawm cov tshuaj yuav tshuaj thiab cov lus nug ntawm cov tshuaj hauv khw muag tshuaj?
Cov tshuaj yuav yog cov tshuaj uas xav kom kws kho mob sau tseg kom muab faib tawm. Hauv lub txee, cov tshuaj yog cov tshuaj zoo li Advil lossis Tylenol uas koj tsis xav tau kws kho mob sau tseg los yuav. Qhov sib txawv tseem ceeb ntawm ob yog tias koj yuav tsum muaj daim ntawv yuav tshuaj tshuaj yog tias nws yog tshuaj yuav tshuaj