PGR GA3 Gibberellic Acid CAS 77-06-5

Inkcazelo emfutshane:

I-Gibberellic Acid ngumlawuli wokukhula kwezityalo.Inokuphucula ukukhula kwesityalo kunye nezivuno ngokunciphisa ixesha lokulala kwamalungu, njengembewu, ingcambu kunye ne-stem tuber, kunye ne-scaly bulb, iphucula ipesenti yokuntshula, kunye nokukhuthaza ukukhula kweentyatyambo kunye nokukhula kweziqhamo.

Qhagamshelana: Erica Zheng

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Inkcazo

I-Gibberellic acid (GA3) yihomoni enamandla kakhulu i-qhose yezehlo zendalo kwizityalo ezilawula ukukhula kwazo.Inokunceda izityalo ukuba zoyise ukungabikho kwembewu, ikhuthaze ukuntshula kwezityalo kunye nokudubula kwangaphambi kwexesha, ikhuthaze kwaye ikhawuleze ukukhula kwezityalo, ithintele amathontsi eziqhamo, incede ekukhuleni kwesiqhamo esingenambewu, ikhuthaze ukudumba kwezityalo zosuku olude ngexesha elifutshane.I-Gibberellic acid inokuchaphazela ngokukhuselekileyo kwisiqu kunye nokukhula kweengcambu zeziqhamo, imifuno kunye nezityalo zamagqabi.

Inkcazo:

Igama lemveliso	Gibberellic acid / GA3
Elinye Igama	I-PRO-GIBB;KHULULA;I-RYZUPSTRONG;UVEX;(1alpha,2beta,4aalpha,4bbeta,10beta)-2,4a,7-trihydroxy-1-methyl-8-methylenegibb; (1alpha,2beta,4aalpha,4bbeta,10beta)-2,4a,7-Trihydroxy-1-methyl-8-methylgibb-3-ene-1,10-dicarboxylic acid 1,4a-lactone;(1alpha,2beta,4aalpha,4bbeta,10beta)-a-lacton; (3s,3ar,4s,4as,7s,9ar,9br,12s)-7,12-dihydroxy-3-methyl-6-methylene-2-oxoperhyd
Inombolo yeCAS	77-06-5
Ifomula yeemolekyuli	C19H22O6
Ubunzima beFormula	346.37
Imbonakalo	Umgubo wekristale omhlophe
Ukuqulunqwa	90%TC, 40% SP, 20% SP, 20%TA, 10%TA, 4%EC
Izityalo ekujoliswe kuzo	Irayisi eHybrid, irhasi, iidiliya, itumato, icherry, ivatala, iitapile, iletisi, njl.
Ukunyibilika	Kunzima ukunyibilika emanzini, ether, benzene, chloroform, inokunyibilika kwimethanol, ethanol, acetone, njl njl. Inokubola ngokulula xa idibana nealkaline kwaye ibebomvu nzulu xa idibana ne-sufuric acid.
Ubutyhefu	I-Gibberellic acid ikhuselekile ebantwini nakwimfuyo.Idosi yomlomo ebukhali kwiimpuku ezincinci (LD50)> 15000mg/kg
Iphakheji	20kg/bag/drum, 25kg/bag/drum, okanye njengoko ubufuna
Ugcino	Gcina isikhongozeli sivalwe ngokuqinileyo kwindawo eyomileyo nepholileyo.Musa ukuveza ukukhanya kwelanga.
Beka ubomi kwishelufa	Iinyanga ezili-12
I-COA kunye ne-MSDS	Iyafumaneka
Uphawu	SHXLCHEM

Umsebenzi

(I) Ukukhuthaza ukukhula kobude besiqu
I-Gibberellic acid esona siphumo sibalulekileyo somzimba kukukhuthaza ukukhula kwezityalo, ikakhulu inokukhuthaza ukwanda kweeseli.I-Gibberellic acid ikhuthaza ukukhula kwaye inezi mpawu zilandelayo:

I-1.I-Gibberellic acid ijongene nokukhula kwezityalo, ikhuthaza ukukhula kweziqu zezityalo, ngakumbi iintlobo zempembelelo eguqukayo enqabileyo ibonakala ngokukodwa.Kodwa i-gibberellic acid elongation in vitro stem segments akukho nxaxheba ibalulekileyo ekukhuthazeni ukukhula okuncinci kunye ne-IAA kwisityalo sonke, kodwa emva koko kunqunyulwe izikhondo zomzimba zinendima ebalulekileyo ekukhuthazeni.I-asidi ye-Gibberellic ukukhuthaza ukwanda kwezityalo ezinqabileyo kungenxa yemvelaphi ye-gibberellic acid biosynthesis ithintele iintlobo ezincinci, isenza umxholo we-asidi we-gibberellic ube ngaphantsi kuneentlobo eziqhelekileyo ze-sake.
2. Kuba inyathelo ukukhula, gibberellic acid ikakhulu ukukhuthaza ezinye internodes elongation ibe nde, kunokuba kwandiswe inani lamacandelo.
3. Nokuba iphezulu kunogxininiso olungcono kakhulu lwesicelo, nayo ayinakunqanda ukukhula, isabonisa umphumo omkhulu wokunyuswa, ukunyuswa kwe-auxin enogxininiso oluphezulu kwimeko yokukhula kwezityalo kuyahluke kakhulu.
4. Iintlobo zezityalo ezahlukeneyo kunye neentlobo ze-gibberellic acid reaction zihluke kakhulu ekusebenziseni i-gibberellic acid kwimifuno (i-celery, i-lettuce, i-leeks), idlelo, izityalo ezifana neti kunye ne-ramie, zifumana isivuno esikhulu.

(II) Khulisa ukudubula kweentyatyambo

Ezinye izityalo eziphakamileyo ukwahlukana kwamathupha entyatyambo kuchatshazelwa bubude bemini (photoperiod) kunye nefuthe lobushushu.Umzekelo, kwisityalo seminyaka emibini, sifuna inani elithile leentsuku zonyango olubandayo (i-vernalization) ukuba luqhakaze, kodwa alubonakali lukhula, lukhula irosette.Ukuba ezi zityalo ngaphandle kwe-vernalization zisebenzisa i-gibberellic acid, kungekhona ngenkqubo yokushisa ephantsi iyakwazi ukukhupha iintyatyambo, kwaye umphumo uyabonakala.Ukongeza, ingathatha indawo yeentsuku ezinde zokungeniswa kwezityalo zeentyantyambo kwiintsuku ezithile ezinde, kodwa i-gibberellic acid kwizityalo zeentsuku ezimfutshane ukuhlukana kweentyantyambo zentyatyambo ngaphandle kokukhuthaza ukuhlukana kweentyatyambo zezityalo kakade, i-gibberellic acid kwintyatyambo yayo evulekileyo inesiphumo esibalulekileyo sokukhuthaza.Okufana ne-gibberellic acid inokukhuthaza i-stevia, i-cycads kunye ne-Cupressaceae, izityalo zeentyantyambo zeTaxodiaceae.

(III) Ikhefu lokulala

Nge-2 ~ 3μg · g gibberellic acid unyango iitapile ezileleyo ungenza ukuba intshule ngokukhawuleza, nto leyo enokuhlangabezana neemfuno ezikhulayo iitapile izihlandlo eziliqela ngonyaka.Isidingo ukukhanya intshule imbewu kufuneka amaqondo obushushu aphantsi, ezifana imbewu lettuce, icuba, basil, iplamu kunye apile, njl, gibberellic acid inokutshintsha ukukhanya kunye namaqondo obushushu aphantsi ukwaphula dormancy, kungenxa yokuba gibberellic acid kunokubangela α- amylase, ukuhlanganiswa kweeproteases kunye nezinye i-hydrolytic enzymes zivuselela ukuthotywa kwemathiriyeli yokugcina imbewu ekukhuleni kwe-embryo kunye neemfuno zophuhliso.Kwishishini lokuvelisa ibhiya, ngonyango lwe-gibberellic acid ngaphandle kokuntshula imbewu yebhali, inokubangela ukuveliswa kwe-α-amylase, inkqubo ye-saccharification ikhawuleziswe ngexesha lotywala kunye nokusetyenziswa okuphantsi kwehlumela lokuphefumla, ngaloo ndlela kuncitshiswe iindleko.

(IV) Khuthaza ukwahlukana kwamadoda

Kwizityalo zeentyantyambo ze-dioecious zobunzima obufanayo emva konyango nge-gibberellic acid, ukwandisa umlinganiselo weentyatyambo zesilisa;Kwizityalo zasetyhini izityalo ze-dioecious, ezifana nonyango nge-gibberellic acid, zikwamisela indoda.Kule nkalo umphumo we-auxin kunye ne-gibberellic acid kunye ne-ethylene echaseneyo.

(V) Ezinye iimpembelelo zomzimba
I-Gibberellic acid inokomeleza umphumo we-IAA ekuhlanganiseni izondlo kunye nokukhuthaza izityalo ezithile kunye neziqhamo ze-parthenocarpy, ukulibazisa ukuvela kweqabunga.Ukongeza, i-gibberellic acid nayo inokukhuthaza ukuhlukana kweeseli kunye nokwahlula, i-gibberellic acid ukukhuthaza ukwahlukana kweeseli ngenxa yokunciphisa isigaba se-G1 kunye ne-S.Kodwa i-gibberellic acid ithintele ukubunjwa kweengcambu ze-adventitious kodwa yeyiphi i-auxin eyahlukileyo.