1. Txhawb nqa elongation thiab kev loj hlob ntawm stems
Qhov tseem ceeb tshaj plaws ntawm gibberellin ntawm cov nroj tsuag yog los txhawb lub elongation ntawm stems, thiaj li hais tias qhov siab ntawm cov nroj tsuag nce ho, tshwj xeeb tshaj yog nyob rau elongation ntawm paj stems. Gibberellin tsis hloov tus naj npawb ntawm internodes, tab sis txhawb lub elongation ntawm cov nroj tsuag hlwb thiab txhawb kev faib cell. Ib yam li lub caj dab giraffe ntev heev, tab sis nws lub ncauj tsev menyuam vertebrae muaj tib tus naj npawb ntawm ncauj tsev menyuam vertebrae li peb tib neeg, tsuas yog xya, tab sis txhua lub ncauj tsev menyuam vertebrae ntev heev.
2. Txhawb cov nplooj loj hlob
Gibberellin tsis tsuas yog txhawb nqa qia elongation, tab sis kuj txhawb cov nplooj loj hlob thiab nthuav, thiab txawm hloov nplooj nplooj. Gibberellin tsis zoo tswj cov txheej txheem ntawm nplooj ntoo, piv txwv li, kev tswj hwm ntawm gibberellin theem ua rau txiv lws suav tsuas yog loj hlob ib nplooj nrog cov npoo du, thaum lub sij hawm txau ntawm gibberellin nyob rau theem saum toj kawg nkaus ntawm cov nplooj ntawv luam yeeb muaj feem cuam tshuam rau qhov qhib ntawm parietal nplooj nyob rau theem tom qab. Nws tuaj yeem txhawb nqa qhov ncab thiab smoothing ntawm cov nplooj ntawv luam yeeb sab saum toj, txo cov wrinkles, thiab ua kom qhov dav ntawm nplooj ntawv luam yeeb sab saum toj, thiaj li txhawb kev nce ntawm cov qoob loo.
3. Txhim kho kev ua haujlwm zoo
Gibberellin tseem koom nrog hauv cov txheej txheem ntawm kev cog qoob loo rau ntau yam kev ntxhov siab abiotic. Piv txwv li, nyob rau hauv ib puag ncig kev ntxhov siab xws li tsis tshua muaj kub, siab salinity, drought thiab hyperosmosis, cov nroj tsuag tuaj yeem hloov mus rau ib puag ncig sab nraud los ntawm kev ua kom lawv txoj kev loj hlob qeeb los ntawm kev txo qis gibberellin, thiab hloov pauv, cov nroj tsuag tseem yuav tsim kev khiav tawm los ntawm kev nce ntawm gibberellin, yog li ntawd. raws li kev tshem tawm ib puag ncig kev ntxhov siab xws li dej nyab.
4. Txhawb germination thiab so dormancy
Cov noob ntawm lettuce, haus luam yeeb thiab begonia, uas tsuas muaj peev xwm germinate nyob rau hauv lub xub ntiag ntawm lub teeb, hu ua lub teeb-xav tau lub noob. Kho cov noob uas xav tau lub teeb nrog gibberellin tuaj yeem tawg hauv qhov tsaus ntuj. Ntawm qhov tsis sib xws, rau cov noob uas tawg hauv qhov tsaus ntuj, nws yooj yim rau germinate nyob rau hauv lub teeb pom kev zoo tom qab siv gibberellin, xws li ginseng soaked nyob rau hauv 20ppm gibberellin rau 15 feeb, uas tuaj yeem tshwm sim 2 hnub ua ntej, thiab cov germination tus nqi kuj tseem ceeb heev. nce.
Gibberellin muaj qee yam cuam tshuam rau kev tso tawm dormancy, thiab lub luag haujlwm tseem ceeb yog gibberellin tuaj yeem cuam tshuam qhov degradation ntawm plasmodesmata callosum, uas yog lub teeb liab ntawm intercellular dormancy thiab tso tawm signaling, thiaj li hais tias cov khoom taw qhia yog thauj mus rau apical meristem, yog li ntawd. relieving dormancy. Los ntawm kev pom kev lom neeg, kev kho mob gibberellin tuaj yeem ua rau redox metabolic enzymes thiab lub zog metabolism thaum ntxov, thiab txo qis dormancy ntxov. Cov piv txwv pom tseeb tshaj plaws ntawm cov nyhuv ntawm gibberellin ntawm kev txo qis dormancy yog rhuav tshem cov dormancy ntawm qos tubers.
5. Hloov cov kev xav tau ntawm cov nroj tsuag rau lub teeb, tsis kub, thiab lwm yam
Nyob rau hnub luv luv ntawm tsawg dua 10 ~ 12 teev, cov nroj tsuag ntev ntev tuaj yeem nyob hauv kev loj hlob thiab tsis tuaj yeem tig mus rau theem kev loj hlob. Kev kho cov nroj tsuag ntev ntev hauv hnub luv luv nrog gibberellin tso cai rau lawv tsim stems thiab paj ib txwm. Biennials xws li zaub qhwv, beets, turnips, thiab carrots yuav tsum tau mus txog lub caij ntuj no ntev thiab tau txais qhov kub thiab txias txaus los tsim stems thiab paj thiab dais txiv hmab txiv ntoo hauv xyoo thib ob. Yog hais tias lawv kho nrog gibberellin nyob rau hauv lub xyoo ntawm lawv txoj kev loj hlob yam tsis muaj vernalization ntawm qhov kub thiab txias, nws muaj peev xwm hloov ib feem ntawm cov nyhuv ntawm qhov kub thiab txias thiab pab flowering thiab fruiting.