Gibberellik Acid CAS 77-06-5
Gibberellik acid yog qhov zooPlant Loj hlob Regulator, yogdawb crystalline hmoov.Nws tuaj yeem soluble hauv cawv, acetone, ethyl acetate, sodium bicarbonate tov thiab pH6.2 phosphate tsis, nyuaj rau yaj hauv dej thiab ether.Gibberellic acid tuaj yeem siv tau zoo hauv cov tshuaj pleev ib ce.Nws tuaj yeem txhawb cov qoob loo loj hlob, paub tab ntxov, txhim kho zoo thiab nce yield.Siv nyob rau hauv cov khoom ntawm daim tawv nqaij yuav inhibit zus tau tej cov melanin, kom cov tawv nqaij xim nevus me ntsis xws li freckles whitening thiab whitening ntawm daim tawv nqaij.
Kev siv
1. Txhawb kev tsim cov txiv hmab txiv ntoo los yog txiv hmab txiv ntoo tsis muaj noob. Thaum lub sij hawm flowering lub sij hawm ntawm cucumbers, tshuaj tsuag ib 50-100mg / kg tov ib zaug los txhawb fruiting thiab yield nce. Tom qab 7-10 hnub ntawm grape flowering, Rose scented txiv hmab txiv ntoo yog sprayed nrog 200-500mg / kg kua ib zaug los txhawb kev tsim ntawm seedless txiv hmab txiv ntoo.
2. Txhawb kev noj zaub mov zoo ntawm celery. Txau nplooj nrog 50-100mg / kg tshuaj ib zaug 2 lub lis piam ua ntej sau qoob; Txau spinach nplooj 1-2 zaug 3 lub lis piam ua ntej sau tuaj yeem ua rau cov qia thiab nplooj.
3. So dormancy thiab txhawb nqa sprouting ntawm qos yaj ywm. Soak lub tubers hauv 0.5-1mg / kg tov rau 30 feeb ua ntej sowing; Soaking barley noob nrog 1mg / kg ntawm cov tshuaj tov ua ntej sowing yuav txhawb germination.
4. Los tiv thaiv kev laus thiab kev txuag cov teebmeem: Soak lub hauv paus ntawm qej sprouts nrog 50mg / kg tov rau 10-30 feeb, tsuag cov txiv hmab txiv ntoo nrog 5-15mg / kg tov ib zaug thaum lub sij hawm ntsuab txiv hmab txiv ntoo theem ntawm citrus, tsau cov txiv hmab txiv ntoo nrog 10mg / kg tov tom qab txiv tsawb sau, thiab tshuaj tsuag cov txiv hmab txiv ntoo nrog 10-50mg / kg tov ua ntej dib thiab watermelon sau, tag nrho cov uas muaj peev xwm muaj ib tug preservation. nyhuv.
5. Thaum lub sij hawm vernalization ntawm flowering chrysanthemums, txau nplooj nrog 1000mg / kg ntawm cov tshuaj tov, thiab thaum lub sij hawm lub paj theem ntawm Cyclamen persicum, tshuaj tsuag paj nrog 1-5mg / kg ntawm tshuaj tov yuav txhawb flowering.
6. Kev txhim kho cov noob qoob loo ntawm Hybrid nplej ntau lawm feem ntau pib thaum tus poj niam niam txiv yog 15% nqe lus, thiab nws tau kho nrog 25-55mg / kg kua tshuaj tsuag rau 1-3 zaug ntawm qhov kawg ntawm 25% nqe lus. Ua ntej siv qis concentration, ces siv siab concentration.
Cov kev ceev faj
1. Gibberellic acid muaj cov dej solubility tsawg. Ua ntej siv, yaj nws nrog ib qho me me ntawm cawv los yog Baijiu, thiab tom qab ntawd ntxiv dej kom dilute nws mus rau qhov xav tau concentration.
2. Cov qoob loo kho nrog gibberellic acid muaj qhov nce ntxiv hauv cov noob tsis muaj menyuam, yog li nws tsis pom zoo siv tshuaj tua kab hauv thaj teb.