Ntchito za Gibberellic Acid (GA3)

Gibberellic acid (GA3) imatha kulimbikitsa kumera kwa mbewu, kukula kwa mbewu, kuphukira koyambirira ndi kubereka zipatso. Amagwiritsidwa ntchito kwambiri muzomera zosiyanasiyana zazakudya, ndipo amagwiritsidwanso ntchito kwambiri m'zamasamba. Ili ndi mphamvu yolimbikitsira kwambiri pakupanga ndi mtundu wa mbewu ndi ndiwo zamasamba.

1.Physiological ntchito za gibberellic acid (GA3)
gibberellic acid (GA3) ndiwothandiza kwambiri polimbikitsa kukula kwa mbewu.

Ikhoza kulimbikitsa kukula kwa maselo a zomera, kutalika kwa tsinde, kukula kwa masamba, kufulumizitsa kukula ndi chitukuko, kupangitsa mbewu kukhwima msanga, ndi kuonjezera zokolola kapena kusintha bwino; imatha kusokoneza kugona komanso kulimbikitsa kumera;
kuchepetsa kukhetsa, onjezerani kuchuluka kwa zipatso kapena kupanga zipatso zopanda zipatso. Mbewu ndi zipatso; Zitha kusinthanso kugonana ndi chiŵerengero cha zomera zina, ndi kuchititsa kuti zomera zina za biennial zimaphuka chaka chomwecho.

(1) gibberellic acid (GA3) ndi kugawanika kwa maselo ndi tsinde ndi masamba elongation

gibberellic acid (GA3) imatha kulimbikitsa kufalikira kwa ma internode, ndipo zotsatira zake ndizofunika kwambiri kuposa auxin, koma kuchuluka kwa ma internode sikusintha.
Kuwonjezeka kwautali wa internode kumachitika chifukwa cha kutalika kwa ma cell ndi kugawanika kwa ma cell.

Gibberellic acid (GA3) imathanso kukulitsa tsinde la zosinthika zazing'ono kapena zomera zazing'ono, kuzilola kuti zifike kutalika kwa kukula bwino.
Kwa zosinthika zazing'ono monga chimanga, tirigu, nandolo, chithandizo cha 1mg/kg gibberellic acid (GA3) chimatha kukulitsa kutalika kwa internode ndikufikira kutalika kwanthawi zonse.

Izi zikuwonetsanso kuti chifukwa chachikulu chomwe masinthidwe amfupiwa amafupikitsa ndi Missing gibberellic acid (GA3).
Gibberellic acid (GA3) amagwiritsidwanso ntchito kulimbikitsa kutalika kwa mapesi a zipatso za mphesa, kuwamasula, ndi kupewa matenda a mafangasi. Nthawi zambiri amapoperapo kawiri, kamodzi pa nthawi ya maluwa komanso nthawi yophukira zipatso.

(2) gibberellic acid (GA3) ndi kumera kwa mbewu
gibberellic acid (GA3) imatha kuthyola mbewu, mizu, ma tubers ndi masamba ndikulimbikitsa kumera.

Mwachitsanzo, 0.5 ~ 1mg/kg gibberellic acid (GA3) imatha kuswa kugona kwa mbatata.

(3) gibberellic acid (GA3) ndi maluwa
Zotsatira za gibberellic acid (GA3) pa maluwa a zomera ndizovuta, ndipo zotsatira zake zenizeni zimasiyana malinga ndi mtundu wa zomera, njira yogwiritsira ntchito, mtundu ndi kuchuluka kwa gibberellic acid (GA3).

Zomera zina zimafunika kukhala ndi nyengo yotentha komanso masana ambiri asanatuluke. Chithandizo cha gibberellic acid (GA3) chimatha kusintha kutentha pang'ono kapena usana wautali kuti apange maluwa, monga radish, kabichi, beet, letesi ndi zomera zina zomwe zimapanga zaka ziwiri.

(4) gibberellic acid (GA3) ndi kusiyana kwa kugonana
Zotsatira za gibberellins pa kusiyanitsa kugonana kwa zomera za monoecious zimasiyana mitundu ndi mitundu. gibberellic acid (GA3) ali ndi mphamvu yolimbikitsa akazi pa chimanga cha gramineous.

Kuchiza ndi gibberellic acid (GA3) pa magawo osiyanasiyana a kukula kwa ma inflorescence a chimanga kungapangitse ngayaye kukhala chachikazi kapena maluwa achimuna kukhala osabala motsatana. Mu mavwende, gibberellic acid (GA3) imatha kulimbikitsa kusiyanitsa kwa maluwa achimuna, pomwe mu vwende owawa ndi mitundu ina ya luffa, gibberellin imatha kulimbikitsa kusiyanitsa kwa maluwa achikazi.

Chithandizo cha gibberellic acid (GA3) chingapangitse parthenocarpy ndikupanga zipatso zopanda mbewu mu mphesa, sitiroberi, ma apricots, mapeyala, tomato, ndi zina zambiri.

(5) gibberellic acid (GA3) ndi chitukuko cha zipatso
Gibberellic acid (GA3) ndi imodzi mwa mahomoni ofunikira pakukula kwa zipatso. Ikhoza kulimbikitsa kaphatikizidwe ndi katulutsidwe wa hydrolase ndi hydrolyze yosungirako zinthu monga wowuma ndi mapuloteni kukula zipatso. gibberellic acid (GA3) imathanso kuchedwetsa kucha kwa zipatso ndikuwongolera nthawi yoperekera zipatso ndi ndiwo zamasamba. Kuphatikiza apo, gibberellic acid (GA3) imatha kulimbikitsa parthenocarpy muzomera zosiyanasiyana komanso imatha kulimbikitsa kukhazikitsa zipatso.

2.Kugwiritsira ntchito gibberellic acid (GA3) popanga
(1) gibberellic acid (GA3) imalimbikitsa kukula, kukhwima koyambirira, ndikuwonjezera zokolola

Masamba ambiri obiriwira amatha kufulumizitsa kukula ndikuchulukitsa zokolola atathandizidwa ndi gibberellic acid (GA3). Selari amapopera mankhwala 30 ~ 50mg/kg gibberellic acid (GA3) njira pafupifupi theka la mwezi mutakolola.

Zokolola zidzawonjezeka ndi 25%, ndipo zimayambira ndi masamba zidzakulitsidwa. Ipezeka pamsika kwa masiku 5-6 m'mawa. Sipinachi, thumba la abusa, chrysanthemum, leeks, letesi, etc. akhoza kupopera mankhwala ndi 1. 5 ~ 20mg /kg gibberellic acid (GA3) madzi, ndipo zokolola zowonjezera zotsatira ndizofunika kwambiri.

Kwa bowa wodyedwa monga bowa, pamene primordium imapangidwa, kuviika chipika cha zinthu ndi 400mg/kg madzi amatha kulimbikitsa kukulitsa thupi la fruiting.
Pamasamba a soya ndi nyemba zazing'ono, kupopera mbewu mankhwalawa ndi madzi a 20 ~ 500mg/kg kumathandizira kukhwima koyambirira ndikuchulukitsa zokolola. Kwa ma leeks, mbewu ikafika kutalika kwa 10cm kapena patatha masiku atatu mutakolola, thirirani madzi a 20mg/kg kuti muwonjeze zokolola ndi 15%.


(2) gibberellic acid (GA3) imaphwanya dormancy ndikulimbikitsa kumera
The vegetative ziwalo za mbatata ndi ena masamba mbewu ndi matalala nthawi, amene amakhudza kubalana.

Dulani zidutswa za mbatata ziyenera kuthandizidwa ndi 5 ~ 10mg /kg madzi kwa 15min, kapena zidutswa zonse za mbatata ziyenera kuthandizidwa ndi 5 ~ 15mg /kg madzi kwa 15min. Kwa njere monga nandolo, njere ndi nyemba zobiriwira, kuziyika mu madzi a 2.5 mg/kg kwa maola 24 kumalimbikitsa kumera, ndipo zotsatira zake zimaonekeratu.

Kugwiritsa ntchito 200 mg/kg gibberellic acid (GA3) kunyowetsa njere pa kutentha kwa madigiri 30 mpaka 40 kwa maola 24 musanamere kungathe kuthetsa kuuma kwa letesi.

Mu sitiroberi wowonjezera kutentha amalimbikitsidwa kulima ndi kulima pang'onopang'ono, wowonjezera kutentha akatenthedwa kwa masiku atatu, ndiye kuti, pamene maluwa opitilira 30% akuwonekera, tsitsani 5 ml ya 5 ~ 10 mg/kg gibberellic acid. GA3) yankho pa chomera chilichonse, kuyang'ana pamasamba apakatikati, kuti apange inflorescences yapamwamba Maluwa, imalimbikitsa kukula, ndikukhwima koyambirira.

(3) gibberellic acid (GA3) imalimbikitsa kukula kwa zipatso
Kwa masamba a vwende, kupopera mbewu mankhwalawa ndi madzi a 2 ~ 3 mg/kg kamodzi pa nthawi ya vwende kungathandize kukula kwa mavwende aang'ono, koma osapopera masamba kuti asachulukitse maluwa achimuna.

Kwa tomato, tsitsani maluwa ndi 25 ~ 35mg/kg pa nthawi ya maluwa kuti mulimbikitse kukhazikika kwa zipatso ndi kupewa zipatso zopanda kanthu. Biringanya, 25 ~ 35mg/kg pa nthawi ya maluwa, uzani kamodzi kuti mulimbikitse kukula kwa zipatso ndikuwonjezera zokolola.

Pa tsabola, ikani 20 ~ 40mg/kg kamodzi pa nthawi ya maluwa kuti mulimbikitse kukhazikika kwa zipatso ndi kuonjezera zokolola.

Pa mavwende, thirirani 20mg/kg kamodzi pa maluwa pa nthawi ya maluwa kuti mulimbikitse kukhazikika kwa zipatso ndi kuchulukitsa zokolola, kapena thirirani kamodzi pa mavwende aang’ono pa nthawi ya mavwende aang’ono kuti akule bwino ndi kuonjezera zokolola.

(4) gibberellic acid (GA3) amawonjezera nthawi yosungirako
Kwa mavwende, kupopera mbewu mankhwalawa ndi madzi a 2.5~3.5mg/kg musanakolole kungatalikitse nthawi yosungira.

Kupopera zipatso za nthochi ndi madzi a 50 ~ 60mg/kg musanakolole kumapangitsa kuti zipatsozo zikhale zotalika. Jujube, longan, etc. amathanso kuchedwetsa kukalamba ndikuwonjezera nthawi yosungira ndi gibberellic acid (GA3).

(5) gibberellic acid (GA3) amasintha chiŵerengero cha maluwa aamuna ndi aakazi ndikuwonjezera zokolola zambewu
Pogwiritsa ntchito nkhaka yaikazi popanga mbeu, kupopera mbewu mankhwalawa 50-100mg/kg madzi pamene mbande zili ndi masamba enieni 2-6 kungathe kupangitsa kuti nkhaka yaikazi ikhale yodula, kutulutsa mungu wokwanira, ndikuwonjezera zokolola.

(6) gibberellic acid (GA3) imalimbikitsa maluwa a tsinde ndikuwongolera kuswana kwa mitundu yabwino.

Gibberellic acid (GA3) imatha kuyambitsa kumera kwamasamba amasiku atali. Kupopera mbewu mankhwalawa kapena madontho okulirapo okhala ndi 50 ~ 500 mg/kg wa gibberellic acid (GA3) amatha kupanga kaloti, kabichi, radish, udzu winawake, kabichi waku China, ndi zina zambiri. Bolt m'masiku ochepa musanadye.


(7) gibberellic acid (GA3) amachepetsa kuvulaza komwe kumachitika chifukwa cha mahomoni ena
Pambuyo pa masamba awonongeka ndi mankhwala osokoneza bongo, chithandizo cha 2.5 ~ 5mg /kg gibberellic acid (GA3) chikhoza kuthetsa kuwonongeka kwa paclobutrazol ndi chlormequat;

mankhwala ndi 2mg/kg njira akhoza kuthetsa kuwonongeka chifukwa ethylene.

Kuwonongeka kwa phwetekere chifukwa chogwiritsa ntchito kwambiri anti-kugwa wothandizira kumatha kuthetsedwa ndi 20mg/kg gibberellic acid (GA3).