Tuam Tshoj 3-Indoleacetic Acid (IAA) Hoobkas thiab cov chaw muag khoom

3-Indoleacetic Acid (IAA)

piav qhia luv luv:

3-Indoleacetic acid (IAA) yog ib hom tshuaj endogenous auxin ubiquitous hauv cov nroj tsuag, uas yog cov khoom sib xyaw indole. Nws yog cov organic. Cov khoom ntshiab yog xim tsis muaj kob daj los yog siv lead ua hmoov. Tig mus rau xim sawv thaum raug lub teeb. Nws yog yooj yim soluble hauv meej ethanol, ethyl acetate, dichloroethane, thiab soluble hauv ether thiab acetone. Insoluble hauv benzene, toluene, roj av thiab chloroform. 3-Indoleacetic acid muaj cov khoom sib txawv rau kev cog kev loj hlob, thiab cov khoom sib txawv ntawm cov nroj tsuag muaj cov rhiab sib txawv rau nws.

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Khoom Nthuav dav

Cov khoom lag luam

CAS TSIS.	87-51-4	Molecular Luj	175.19
Molecular	C10H9NO2	Tsos	Dawb siv lead ua hmoov
Kev huv siab	99.0% min.	Melting Point	166-168 ºC
Qhov chaw nyob ntawm Ignition	0.08% max.	Poob Rau Kom Qhuav	0.5% max.

Daim Ntawv Thov / Siv / Muaj nuj nqi

3-Indoleacetic acid yog ib hom ntoo cog. Auxin muaj ntau lub zog ntawm lub cev, uas cuam tshuam txog nws qhov kev mob siab. Qhov tsis tshua muaj siab tuaj yeem txhawb kev loj hlob, thiab qhov kev kub siab yuav thaiv txoj kev loj hlob txawm tias tua cov nroj tsuag. Qhov cov nyhuv inhibitory cuam tshuam txog seb nws tuaj yeem tsim qhov tsim ntawm ethylene. Lub cev ua haujlwm ntawm auxin tshwm sim rau ntawm ob theem. Ntawm qib cellular, auxin tuaj yeem txhawb nqa qhov kev faib tawm ntawm cambium hlwb; txhawb nqa lub elongation ntawm ceg thiab inhibit qhov kev loj hlob ntawm cov hauv paus hniav; txhawb txoj kev sib txawv ntawm xylem thiab phloem hlwb, txhawb kev txiav cov hauv paus hniav, thiab tswj cov morphology ntawm callus. Ntawm cov kabmob thiab tag nrho cov nroj tsuag theem, auxin ua haujlwm los ntawm cov yub mus rau txiv hmab txiv ntoo ripening. Auxin tswj lub teeb liab lub teeb liab inhibition ntawm hypocotyl elongation hauv yub; thaum nws hloov mus rau qhov tsis tau ntawm tua, nws ua rau ceg geotropism; thaum nws hloov mus rau qhov backlight sab ntawm tua, nws tsim ceg phototropism; 3-Indoleacetic acid ua rau muaj qhov ua kom zoo apical thiab qeeb ntawm cov nplooj hnub nyoog laus zuj zus. Auxin txhawb nqa paj, txi txiv parthenocarpic kev loj hlob txiv hmab txiv ntoo, thiab qeeb cov txiv hmab txiv ntoo kom loj hlob.