Mesebetsi ea Gibberellic Acid(GA3)

Gibberellic acid (GA3) e ka khothaletsa ho mela ha peo, kholo ea semela, le lipalesa tsa pele le ho beha litholoana. E sebelisoa haholo lijalong tse fapaneng tsa lijo, 'me e sebelisoa haholo merohong.E na le phello e kholo ea ts'ebetso ea tlhahiso le boleng ba lijalo le meroho.

1.Mesebetsi ea Physiological ea gibberellic acid (GA3)
gibberellic acid (GA3) ke ntho e atlehang haholo e khothalletsang kholo ea semela.

E ka khothaletsa ho lelefatsa lisele tsa semela, ho lelefatsa kutu, ho atolosoa ha makhasi, ho potlakisa kholo le nts'etsopele, ho etsa hore lijalo li hole kapele, le ho eketsa chai kapa ho ntlafatsa boleng; e ka senya boroko 'me ea khothalletsa ho mela;
fokotsa ho tšolloa, ntlafatsa sekhahla sa ho beha litholoana kapa ho theha litholoana tse se nang litholoana. Peo le litholoana; e ka boela ea fetola bong le karo-karolelano ea limela tse ling, 'me ea etsa hore limela tse ling tsa lilemo tse peli li thunye selemong sona seo.

(1) gibberellic acid (GA3) le karohano ea lisele le ho lelefatsa ha kutu le makhasi

gibberellic acid (GA3) e ka susumetsa ho lelefala ha li-internode tsa stems, 'me phello e bohlokoa ho feta auxin, empa palo ea li-internode ha e fetohe.
Keketseho ea bolelele ba internode e bakoa ke ho hola ha lisele le karohano ea lisele.

Gibberellic acid (GA3) e ka boela ea lelefatsa likutu tsa limela tse nyenyane tse fetotsoeng kapa tsa fisioloji, ho li lumella ho fihla bophahamong ba khōlo e tloaelehileng.
Bakeng sa liphetoho tse nyane tse kang poone, koro le lierekisi, kalafo ka 1mg/kg gibberellic acid (GA3) e ka eketsa bolelele ba internode haholo mme ea fihla bophahamo bo tloaelehileng.

Sena se boetse se bontša hore lebaka le ka sehloohong le etsang hore liphetoho tsena tse nyenyane li be khutsuanyane ke Missing gibberellic acid (GA3).
Gibberellic acid (GA3) e boetse e sebelisoa ho khothalletsa ho lelefatsa mahlaka a litholoana tsa morara, ho a lokolla, le ho thibela tšoaetso ea fungal. Hangata e fafatsoa habeli, hang nakong ea lipalesa le hang nakong ea ho beha litholoana.

(2) gibberellic acid (GA3) le ho mela ha peo
gibberellic acid (GA3) e ka senya ka mokhoa o atlehileng ho robala ha lipeo, metso, li-tubers le li-buds le ho khothalletsa ho mela.

Ka mohlala, 0.5 ~ 1mg/kg gibberellic acid (GA3) e ka senya dormancy ea litapole.

(3) gibberellic acid (GA3) le lipalesa
Phello ea gibberellic acid (GA3) ho palesa ea semela e batla e rarahane, 'me phello ea eona ea sebele e fapana ho ea ka mofuta oa semela, mokhoa oa kopo, mofuta le mahloriso a gibberellic acid (GA3).

Limela tse ling li hloka ho ba le nako ea mocheso o tlase le motšehare o molelele pele li thunya. Kalafo ka gibberellic acid (GA3) e ka nka sebaka sa mocheso o tlase kapa motšehare o molelele ho etsa hore li thunye, joalo ka radish, k'habeche, beet, lettuce le limela tse ling tse lilemo tse peli.

(4) gibberellic acid (GA3) le phapang ea thobalano
Litlamorao tsa gibberellins karohano ea thobalano ea limela tse monoecious li fapana ho ea ka mefuta. gibberellic acid (GA3) e na le phello ea ho khothaletsa basali pooneng ea gramineous.

Kalafo ka gibberellic acid (GA3) ka mekhahlelo e fapaneng ea nts'etsopele ea li-inflorescence tse nyane tsa poone li ka etsa hore litjellane li be basali kapa lipalesa tse tona li be nyopa ka ho latellana. Ka mahapu, gibberellic acid (GA3) e ka khothaletsa phapang ea lipalesa tsa banna, ha melon melon e babang le mefuta e meng ea luffa, gibberellin e ka khothaletsa phapang ea lipalesa tsa basali.

Kalafo ka gibberellic acid (GA3) e ka etsa hore parthenocarpy e hlahise litholoana tse se nang peo ka morara, fragole, liapolekose, lipere, tamati, joalo-joalo.

(5) gibberellic acid (GA3) le ntshetsopele ea litholoana
Gibberellic acid (GA3) ke e 'ngoe ea lihomone tse hlokahalang bakeng sa kholo ea litholoana. E ka khothaletsa motsoako le secretion ea hydrolase le lintho tsa polokelo ea hydrolyze joalo ka starch le protheine bakeng sa kholo ea litholoana. gibberellic acid (GA3) le eona e ka liehisa ho butsoa ha litholoana le ho laola phepelo, polokelo le nako ea ho tsamaisa litholoana le meroho. Ho feta moo, gibberellic acid (GA3) e ka hlasimolla parthenocarpy limela tse fapa-fapaneng 'me e ka boela ea khothalletsa ho beha litholoana.

2.Kopo ea gibberellic acid (GA3) tlhahisong
(1) gibberellic acid (GA3) e khothalletsa kholo, kholo ea pele, 'me e eketsa chai

Meroho e mengata ea makhasi a matala e ka potlakisa kholo le ho eketsa chai ka mor'a ho phekoloa ka gibberellic acid (GA3). Celery e fafatsoa ka tharollo ea 30 ~ 50mg/kg gibberellic acid (GA3) hoo e ka bang halofo ea khoeli ka mor'a kotulo.

Kotulo e tla eketseha ka ho feta 25%, 'me stems le makhasi li tla holisoa. E tla fumaneha 'marakeng bakeng sa matsatsi a 5 ~ 6 hoseng. Sepinachi, mokotla oa molisa, chrysanthemum, leeks, lettuce, joalo-joalo li ka fafatsoa ka metsi a 1. 5~20mg/kg gibberellic acid (GA3), mme phello ea keketseho ea lihlahisoa le eona e bohlokoa haholo.

Bakeng sa li-fungus tse jeoang tse kang li-mushroom, ha primordium e thehoa, ho inela boloko ba thepa ka mokelikeli oa 400mg/kg ho ka khothalletsa ho holisoa ha 'mele oa litholoana.
Bakeng sa linaoa tsa soya tsa meroho le linaoa tse nyenyane, ho fafatsa ka metsi a 20~500mg/kg ho ka khothalletsa kholo ea pele le ho eketsa chai. Bakeng sa liliki, ha semela se le bophahamo ba 10cm kapa matsatsi a 3 ka mor'a kotulo, fafatsa ka metsi a 20mg/kg ho eketsa chai ka ho feta 15%.


(2) gibberellic acid (GA3) e senya dormancy mme e khothalletsa ho mela
Litho tsa limela tsa litapole le lipeo tse ling tsa meroho li na le nako ea ho robala, e amang ho ikatisa.

Likotoana tsa litapole tse khaotsoeng li lokela ho phekoloa ka metsi a 5 ~ 10mg / kg bakeng sa 15min, kapa likotoana tsa litapole kaofela li lokela ho phekoloa ka metsi a 5 ~ 15mg / kg bakeng sa 15min. Bakeng sa peo e kang lierekisi tsa lehloa, li-cowpeas le linaoa tse tala, ho li inela mokelikeli oa 2.5 mg/kg ka lihora tse 24 ho ka khothalletsa ho mela, 'me phello e hlakile.

Ho sebelisa 200 mg/kg gibberellic acid (GA3) ho inela peo ka mocheso o phahameng oa likhato tse 30 ho isa ho tse 40 bakeng sa lihora tse 24 pele ho mela ho ka atleha ho senya ho robala ha peo ea lettuce.

Sebakeng sa sethopo sa fragola se khothaletsoa ho lema le ho lengoa ka halofo, kamora hore sethopo se lule se futhumetse matsatsi a 3, ke hore, ha lipalesa tse fetang 30% li hlaha, fafatsa 5 ml ea 5 ~ 10 mg/kg gibberellic acid. GA3) tharollo semeleng se seng le se seng, ho lebisa tlhokomelo makhasi a mantlha, ho etsa li-inflorescences tse holimo Lipalesa pejana, li khothalletsa khōlo, le ho hōla pele.

(3) gibberellic acid (GA3) e khothalletsa kholo ea litholoana
Bakeng sa meroho ea mahapu, ho fafatsa litholoana tse nyenyane ka metsi a 2 ~ 3 mg/kg hanngoe nakong ea lekhapu le lenyenyane ho ka khothalletsa kholo ea mahapu a manyenyane, empa u se ke ua fafatsa makhasi ho qoba ho eketsa palo ea lipalesa tse tona.

Bakeng sa tamati, fafatsa lipalesa ka 25~35mg/kg nakong ea palesa ho khothaletsa boemo ba litholoana le ho thibela litholoana tse sekoti. Eggplant, 25~35mg/kg nakong ea palesa, fafatsa hanngoe ho khothalletsa ho beha litholoana le ho eketsa chai.

Bakeng sa pepere, fafatsa 20 ~ 40mg/kg hang nakong ea lipalesa ho khothalletsa ho beha litholoana le ho eketsa chai.

Bakeng sa lehapu, fafatsa 20mg/kg hanngwe dipaleseng nakong ya lekgathe la dipalesa ho kgothalletsa boemo ba ditholwana le ho eketsa chai, kapa ho fafatsa hang hodima mahapu a manyane nakong ya lekgapu le lenyane ho kgothaletsa kgolo le ho eketsa chai.

(4) gibberellic acid (GA3) e eketsa nako ea polokelo
Bakeng sa mahapu, ho fafatsa litholoana ka metsi a 2.5~3.5mg/kg pele ho kotuloa ho ka eketsa nako ea polokelo.

Ho fafatsa litholoana tsa banana ka metsi a 50 ~ 60mg/kg pele ho kotuloa ho na le phello e itseng ho lelefatsa nako ea polokelo ea litholoana. Jujube, longan, joalo-joalo le tsona li ka lieha ho tsofala le ho atolosa nako ea polokelo ka gibberellic acid (GA3).

(5) gibberellic acid (GA3) e fetola karolelano ea lipalesa tse tona le tse tšehali le ho eketsa chai ea peo
Ho sebelisa lesela la likomkomere tse tšehali bakeng sa tlhahiso ea peo, ho fafatsa metsi a 50-100mg/kg ha lipeo li e-na le makhasi a 'nete a 2-6 ho ka fetola semela sa likomkomere tse tšehali hore e be semela se monoecious, ho tsamaisa peo e feletseng, le ho eketsa chai ea peo.

(6) gibberellic acid (GA3) e khothalletsa ho thunya ha kutu le ho ntlafatsa coefficient ea ho ikatisa ea mefuta e ntlafalitsoeng.

Gibberellic acid (GA3) e ka etsa hore ho be le lipalesa tsa pele tsa meroho ea matsatsi a malelele. Ho fafatsa limela kapa libaka tse holang tse rothang ka 50 ~ 500 mg/kg ea gibberellic acid (GA3) ho ka etsa hore lihoete, k'habeche, radish, celery, k'habeche ea China, joalo-joalo, ho leme lijalo tsa letsatsi bakeng sa lilemo tse peli. Bolt tlas'a maemo a makhutšoane a letsatsi pele ho overwintering.


(7) gibberellic acid (GA3) e imolla kotsi e bakoang ke lihomone tse ling
Ka mor'a hore meroho e senyehe ke ho feta tekano, phekolo ea 2.5 ~ 5mg / kg gibberellic acid (GA3) tharollo e ka imolla tšenyo e bakiloeng ke paclobutrazol le chlormequat;

kalafo ka tharollo ea 2mg/kg e ka imolla tšenyo e bakiloeng ke ethylene.

Tšenyo ea tamati e bakoang ke tšebeliso e feteletseng ea li-anti-falling agents e ka felisoa ka 20mg/kg gibberellic acid (GA3).