I-Gibberellins yafunyanwa okokuqala ngoososayensi baseJapan xa babefunda irayisi "isifo se-bakanae".Baye bafumanisa ukuba isizathu sokuba izityalo zerayisi ezigula sisifo se-bakanae zikhule zibe nde kwaye zibe tyheli kungenxa yezinto ezikhutshelwe yigibberellins.Kamva, abanye abaphandi bahlukanisa le nto esebenzayo kwi-filtrate ye-Gibberella culture medium, ichonge ubume bayo beekhemikhali, kwaye bayibiza ngokuba yi-gibberellin.Ukuza kuthi ga ngoku, i-136 gibberellins enezakhiwo zeekhemikhali ezicacileyo ziye zachongwa kwaye zabizwa ngokuba yi-GA1, GA2, GA3, njl njl. ngokulandelelana kwexesha.Zimbalwa kuphela i-Gibberellic acids kwizityalo ezineempembelelo ze-physiological ekulawuleni ukukhula kwezityalo, ezifana ne-GA1, GA3, GA4, GA7, njl.

Ummandla wokukhula ngokukhawuleza kwezityalo yindawo ephambili yokwenziwa kwe-gibberellins.IiGibberellins zisebenza kufutshane emva kokuba zenziwe.Umxholo we-gibberellin kakhulu uya kuchaphazela isivuno kunye nomgangatho wezityalo.Namhlanje, ezininzi "i-anti-gibberellin" i-retardants yokukhula kwezityalo ziye zaphuhliswa ngokusekelwe kwiimpawu zokwenza i-gibberellins, ngokukodwa kubandakanywa: i-chlormequat, i-mepifenidium, i-paclobutrazol, i-uniconazole, njl.

  

Imisebenzi ephambili yegibberellins yile:
1. Ukukhuthaza ukuhluma kwembewu: I-Gibberellin inokwaphula ngokufanelekileyo imeko yokulala yembewu yezityalo, iibhubhu, i-buds, njl. kwaye ikhuthaze ukuhluma.
2. Ukulawulwa kobude bezityalo kunye nobukhulu bomzimba: I-Gibberellin ayikwazi nje ukukhuthaza ukukhula kweeseli zesityalo kodwa iphinde ikhuthaze ukuhlukana kweeseli, ngaloo ndlela ilawula ukuphakama kwesityalo kunye nobukhulu bomzimba.
3. Khuthaza ukudubula kwezityalo: Unyango nge-gibberellins lunokubangela ukuba izityalo ezineminyaka emibini zingakhange zihlanjululwe kubushushu obuphantsi (ezifana neradish, ikhaphetshu yaseTshayina, iminqathe, njl. njl.) ukuba ziqhakaze kulo nyaka.Kwezinye izityalo ezinokuqhakaza phantsi kweentsuku ezinde, i-gibberellin inokuthi ithathe indawo yendima yeentsuku ezinde ukuze iqhakaze phantsi kweentsuku ezimfutshane.
4. I-Gibberellin inokuphinda ikhuthaze ukukhula kweziqhamo zezityalo, ukwandisa izinga lokumisela iziqhamo okanye ukwenza iziqhamo ezingenazimbewu.
5. I-Gibberellins nayo inefuthe ekuphuhlisweni kweentyatyambo kunye nokuzimisela ngokwesondo.Kwizityalo ze-dioecious, ukuba ziphathwa nge-gibberellin, umlinganiselo weentyantyambo zesilisa uya kwanda;kwizityalo zasetyhini zezityalo ze-dioecious, ukuba ziphathwa nge-Gibberellic acid, iintyatyambo zesilisa zinokunyanzelwa.

Ukulumkela
(1) Xa i-gibberellin isetyenziswe njenge-ejenti yokumisela iziqhamo, kufuneka isetyenziswe phantsi kweemeko zamanzi aneleyo kunye nesichumisi;xa isetyenziswe njengomgqugquzeli wokukhula, kufuneka isetyenziswe ngokubambisana ne-foliar fertilizer ukuze ilungele ngakumbi ukubunjwa kwezithole ezomeleleyo.
(2) I-Gibberellin kulula ukubola xa ibonakaliswe kwi-alkali.Kuphephe ukuxubana nezinto zealkaline xa uzisebenzisa.
(3) Ngenxa yokuba i-gibberellin inomdla ekukhanyeni kunye nobushushu, imithombo yokushisa kufuneka igwenywe xa uyisebenzisa, kwaye isisombululo kufuneka silungiswe kwaye sisetyenziswe ngokukhawuleza.
(4) Emva kokunyanga kwe-gibberellin, inani lembewu engenanzala liyanda, ngoko akufanele lisetyenziswe kwiindawo zokulima.