Imisebenzi ye-Gibberellic Acid(GA3)

I-Gibberellic acid (GA3) ingakhuthaza ukuhluma kwembewu, ukukhula kwezitshalo, kanye nokuqhakaza kokuqala kanye nokuthela. Isetshenziswa kabanzi ezitshalweni ezihlukene zokudla, futhi isetshenziswa kakhulu emibhideni.Inomphumela obalulekile wokukhushulwa ekukhiqizeni kanye nekhwalithi yezitshalo nemifino.

1.Imisebenzi ye-Physiological ye-gibberellic acid (GA3)
I-gibberellic acid (GA3) iyisithako esikhuthaza ukukhula kwezitshalo.

Ingakhuthaza ukwelulwa kwamangqamuzana ezitshalo, ukunwebeka kwesiqu, ukwanda kwamaqabunga, isheshise ukukhula nokuthuthuka, yenze izitshalo zivuthwe kusenesikhathi, futhi andise isivuno noma ithuthukise ikhwalithi; inganqamula i-dormancy futhi ikhuthaze ukuhluma;
ukunciphisa ukuchithwa, ukuthuthukisa izinga lokumisa izithelo noma ukwakha izithelo ezingenazithelo. Imbewu nezithelo; kungabuye kuguqule ubulili kanye nesilinganiso sezinye izitshalo, futhi kubangele ukuthi izitshalo ezithile ezihlala iminyaka emibili ziqhakaze ngonyaka ofanayo.

(1) i-gibberellic acid (GA3) kanye nokuhlukaniswa kwamaseli kanye nokwelulwa kwesiqu neqabunga

i-gibberellic acid (GA3) ingashukumisa ukwelulwa kweziqu ze-internode, futhi umphumela ubaluleke kakhulu kune-auxin, kodwa inani lama-internode alishintshi.
Ukwanda kobude be-internode kungenxa yokwelulwa kweseli nokuhlukana kwamaseli.

I-Gibberellic acid (GA3) ingaphinda yelule iziqu zezitshalo eziguquguqukayo ezincane noma izitshalo eziphila ngaphansi kwemvelo, izivumele ukuthi zifinyelele ukuphakama kokukhula okuvamile.
Eziguquguqukayo ezincane ezifana nommbila, ukolweni, nophizi, ukwelashwa nge-1mg/kg gibberellic acid (GA3) kungakhuphula kakhulu ubude be-internode futhi kufinyelele ukuphakama okuvamile.

Lokhu futhi kukhombisa ukuthi isizathu esikhulu esenza lezi zinguquko ezincane zibe zimfishane i-Gibberellic acid engekho (GA3).
I-Gibberellic acid (GA3) iphinde isetshenziselwe ukukhuthaza ukukhula kweziqu zezithelo zamagilebhisi, ukuzixegisa, nokuvikela ukungenwa yisikhunta. Ivamise ukufuthwa kabili, kanye ngesikhathi sokuqhakaza kanye nangesikhathi sokutshala isithelo.

(2) i-gibberellic acid (GA3) nokuhluma kwembewu
I-gibberellic acid (GA3) inganqamula ngempumelelo imbewu, izimpande, izilimo eziyizigaxa kanye nama-buds futhi ikhuthaze ukuhluma.

Isibonelo, i-0.5~1mg/kg i-gibberellic acid (GA3) ingaphula i-dormancy yamazambane.

(3) i-gibberellic acid (GA3) nokuqhakaza
Umthelela we-gibberellic acid (GA3) ekuqhakazeni kwezitshalo uyinkimbinkimbi, futhi umphumela wawo wangempela uyahlukahluka kuye ngohlobo lwesitshalo, indlela yokufaka isicelo, uhlobo kanye nokugxila kwe-gibberellic acid (GA3).

Ezinye izitshalo zidinga ukuzwa inkathi yokushisa ephansi kanye nokukhanya okude kwasemini ngaphambi kokuqhakaza. Ukwelashwa nge-gibberellic acid (GA3) kungashintsha izinga lokushisa eliphansi noma ukukhanya kwemini okude ukuze kuqhakaze, njengesithombo, iklabishi, isithombo sebhitrudi, ulethisi nezinye izitshalo ezineminyaka emibili.

(4) i-gibberellic acid (GA3) nokuhlukaniswa ngokocansi
Imiphumela ye-gibberellins ekuhlukaniseni ngokocansi kwezitshalo ze-monoecious iyahlukahluka kuzinhlobo zezinhlobo. i-gibberellic acid (GA3) inomthelela wokukhuthaza abesifazane kummbila we-gramineous.

Ukwelashwa nge-gibberellic acid (GA3) ezigabeni ezihlukene zokukhula kwama-inflorescence amancane ommbila kungenza amatshakaza abe ngabesifazane noma izimbali zesilisa zibe yinyumba ngokulandelana. Kumakhabe, i-gibberellic acid (GA3) ingakhuthaza ukuhlukaniswa kwezimbali zesilisa, kuyilapho ikhabe elibabayo nezinye izinhlobo ze-luffa, i-gibberellin ingakhuthaza ukuhlukaniswa kwezimbali zesifazane.

Ukwelashwa nge-gibberellic acid (GA3) kungenza i-parthenocarpy futhi ikhiqize izithelo ezingenambewu kumagilebhisi, ama-strawberries, amabhilikosi, amapheya, utamatisi, njll.

(5) i-gibberellic acid (GA3) nokuthuthukiswa kwezithelo
I-Gibberellic acid (GA3) ingenye yamahomoni adingekayo ekukhuleni kwezithelo. Ingakhuthaza ukuhlanganiswa kanye nokukhishwa kwe-hydrolase kanye ne-hydrolyze yokugcina izinto ezifana nesitashi namaprotheni ekukhuleni kwezithelo. I-gibberellic acid (GA3) nayo ingabambezela ukuvuthwa kwezithelo futhi ilawule ukunikezwa, ukugcinwa kanye nesikhathi sokuthutha sezithelo nemifino. Ngaphezu kwalokho, i-gibberellic acid (GA3) ingavuselela i-parthenocarpy ezinhlobonhlobo zezitshalo futhi ingakhuthaza nokumiswa kwezithelo.

2.Ukusetshenziswa kwe-gibberellic acid(GA3) ekukhiqizeni
(1) i-gibberellic acid (GA3) ikhuthaza ukukhula, ukuvuthwa kwangaphambi kwesikhathi, futhi ikhulise isivuno

Imifino eminingi enamahlamvu aluhlaza ingasheshisa ukukhula futhi yandise isivuno ngemva kokwelashwa nge-gibberellic acid (GA3). Isilimo esidliwayo esinamagatsha anamanzi sifuthwa ngesixazululo se-30~50mg/kg se-gibberellic acid (GA3) cishe ingxenye yenyanga ngemva kokuvuna.

Isivuno sizokhula ngaphezu kuka-25%, futhi iziqu namaqabunga azokhula. Izotholakala emakethe izinsuku ezingu-5~6 ekuseni. Isipinashi, isikhwama sikamalusi, ichrysanthemum, amaliki, ulethisi, njll. kungafuthwa ngoketshezi oluyi-1. 5~20mg/kg gibberellic acid (GA3), futhi umphumela wokukhulisa isivuno nawo ubaluleke kakhulu.

Kusikhunta esidliwayo njengamakhowe, lapho i-primordium kwakheka, ukucwilisa ibhulokhi lempahla ngoketshezi oluyi-400mg/kg kungakhuthaza ukukhula komzimba othela izithelo.
Kubhontshisi kabhontshisi wemifino kanye nobhontshisi omncane, ukufafaza ngoketshezi oluwu-20~500mg/kg kungakhuthaza ukuvuthwa kwangaphambi kwesikhathi futhi kwandise isivuno. Kumaliki, lapho isitshalo siphakeme ngo-10cm noma ezinsukwini ezi-3 ngemva kokuvuna, fafaza ngoketshezi oluwu-20mg/kg ukuze ukhulise isivuno ngaphezu kuka-15%.


(2) i-gibberellic acid (GA3) iphula i-dormancy futhi ikhuthaze ukuhluma
Izitho zemifino zamazambane kanye nembewu yemifino zinesikhathi sokulala, esithinta ukuzala.

Izingcezu zamazambane ezisikiwe kufanele ziphathwe ngoketshezi lwe-5 ~ 10mg/kg imizuzu engu-15, noma izingcezu zamazambane eziphelele kufanele ziphathwe ngoketshezi lwe-5~15mg/kg lwe-15min. Ezinhlanyelweni ezifana nophizi weqhwa, i-cowpeas, nobhontshisi oluhlaza, ukucwiliswa emanzini angu-2.5 mg/kg amahora angu-24 kungakhuthaza ukuhluma, futhi umphumela usobala.

Ukusebenzisa u-200 mg/kg we-gibberellic acid (GA3) ukucwilisa imbewu ekushiseni okuphezulu okungama-30 kuya ku-40 degrees amahora angu-24 ngaphambi kokuhluma kunganqamula ngempumelelo i-dormancy yembewu ye-lettuce.

Ku-strawberry greenhouse kuthuthukiswe ukutshalwa nokutshalwa kwe-semi-promotion, ngemuva kokuba indawo yokushisa igcinwe ifudumele izinsuku ezintathu, okungukuthi, lapho kuvela ama-flower buds angaphezu kuka-30%, fafaza u-5 ml we-5 ~ 10 mg/kg i-gibberellic acid ( GA3) isixazululo esitshalweni ngasinye, sigxile emaqabunga ayisisekelo, ukwenza ama-inflorescence aphezulu Izimbali ngaphambili, zithuthukisa ukukhula, futhi zivuthwe ngaphambi kwesikhathi.

(3) i-gibberellic acid (GA3) ikhuthaza ukukhula kwezithelo
Emifino ye-melon, ukufafaza izithelo ezisencane ngoketshezi oluyi-2~3 mg/kg kanye ngesikhathi sesiteji se-melon encane kungakhuthaza ukukhula kwamakhabe amancane, kodwa ungafafazi amaqabunga ukuze ugweme ukwandisa inani lezimbali zesilisa.

Kutamatisi, fafaza izimbali ngo-25~35mg//kg ngesikhathi sokuqhakaza ukuze ukhuthaze ukuhlelwa kwezithelo futhi uvimbele izithelo ezingenalutho. Isitshalo seqanda, 25~35mg/kg ngesikhathi sokuqhakaza, fafaza kanye ukuze ukhuthaze ukuhlelwa kwesithelo nokwandisa isivuno.

Kupelepele, fafaza u-20~40mg//kg kanye ngesikhathi sokuqhakaza ukuze ukhuthaze ukuhlelwa kwezithelo nokwandisa isivuno.

Kumakhabe, fafaza u-20mg/kg kanye ezimbalini ngesikhathi sokuqhakaza ukuze ukhuthaze ukuhlelwa kwezithelo nokwandisa isivuno, noma ufafaze kanye kumakhabe amancane ngesikhathi sesigaba se-melon ukuze ukhuthaze ukukhula nokwandisa isivuno.

(4) i-gibberellic acid (GA3) inweba isikhathi sokugcina
Kumakhabe, ukufafaza izithelo ngoketshezi oluyi-2.5~3.5mg/kg ngaphambi kokuvuna kungandisa isikhathi sokugcina.

Ukufafaza izithelo zikabhanana ngoketshezi oluyi-50~60mg/kg ngaphambi kokuvuna kunomphumela othile ekwandiseni isikhathi sokugcina izithelo. I-Jujube, i-longan, njll. futhi ingabambezela ukuguga futhi yandise isikhathi sokugcina nge-gibberellic acid (GA3).

(5) i-gibberellic acid (GA3) ishintsha isilinganiso sezimbali zesilisa nezinsikazi futhi ikhulise isivuno sembewu
Ukusebenzisa umugqa wesifazane wekhukhamba ekukhiqizeni imbewu, ukufafaza uketshezi oluyi-50-100mg/kg lapho izithombo zinamaqabunga eqiniso angama-2-6 kungenza isitshalo sekhukhamba lesifazane sibe isitshalo esine-monoecious, impova ephelele, futhi kwandise isivuno sembewu.

(6) i-gibberellic acid (GA3) ithuthukisa ukuqhakaza kwesiqu futhi ithuthukise i-coefficient yokuzalanisa yezinhlobo ezithuthukisiwe.

I-Gibberellic acid (GA3) ingadala ukuqhakaza kwemifino yezinsuku ezinde. Ukufafaza izitshalo noma izindawo ezikhulayo eziconsayo ngo-50~500 mg//kg we-gibberellic acid (GA3) kungenza izaqathi, iklabishi, isithombo, isilimo esidliwayo esinamagatsha anamanzi, iklabishi laseShayina, njll. kukhule izitshalo zokukhanya kwelanga iminyaka emi-2. Bolt ngaphansi kwezimo zosuku olufushane ngaphambi kobusika.


(7) i-gibberellic acid (GA3) ikhulula ukulimala okubangelwa amanye amahomoni
Ngemuva kokuba imifino yonakaliswe ukudlula ngokweqile, ukwelashwa ngesisombululo se-2.5 ~ 5mg /kg gibberellic acid (GA3) kungakhulula umonakalo obangelwa i-paclobutrazol ne-chlormequat;

ukwelashwa ngesisombululo se-2mg/kg kungakhulula umonakalo owenziwe yi-ethylene.

Ukulimala kukatamatisi okubangelwa ukusetshenziswa ngokweqile kwama-anti-falling agents kungaqedwa nge-20mg/kg gibberellic acid (GA3).