Indima yeI-IAA 3-indole acetic acid
Isetshenziswa njenge-stimulant yokukhula kwesitshalo kanye ne-reagent yokuhlaziya. I-IAA 3-indole acetic acid nezinye izinto ze-auxin ezifana ne-3-indoleacetaldehyde, i-IAA 3-indole acetic acid kanye ne-ascorbic acid zikhona ngokwemvelo ngokwemvelo. Isandulela se-3-indoleacetic acid ye-biosynthesis ezitshalweni yi-tryptophan. Umsebenzi obalulekile we-auxin usekulawuleni ukukhula kwezitshalo. Akugcini nje ngokukhuthaza ukukhula kodwa futhi kunomphumela wokuvimbela ukukhula nokwakheka kwezitho. I-Auxin ayitholakali kuphela esimweni esikhululekile ngaphakathi kwamaseli ezitshalo, kodwa futhi ingaboshelwa ngokuqinile kuma-macromolecule ebhayoloji nezinye izinhlobo ze-auxin. Kukhona futhi i-auxin engakha amakhompleksi anezinto ezikhethekile, njenge-indole-acetylasparagine, i-indole-acetyl pentose acetate ne-indole-acetylglucose, njll. Lokhu kungase kube uhlobo lokugcinwa kwe-auxin ngaphakathi kwamaseli kanye nendlela yokukhipha ubuthi ukuze kuqedwe ubuthi be-auxin ngokweqile.
Ezingeni lamaselula, i-auxin ingashukumisa ukuhlukaniswa kwamaseli e-cambium; Khuthaza ukwanda kwamangqamuzana egatsha futhi uvimbele ukukhula kwamaseli ezimpande; Thuthukisa ukuhlukaniswa kwamaseli e-xylem ne-phloem, kusiza ukumila kwezimpande, futhi ulawule i-morphogenesis ye-callus.
I-Auxin idlala indima ukusuka kusithombo kuya ekuvuthweni kwesithelo kuwo womabili amazinga wesitho kanye nesitshalo sonke. Ukuvinjelwa kokukhanya okubomvu okubuyiselekayo kwe-auxin ekulawuleni ukunwetshwa kwe-mesocotyl ezitshalweni; Lapho i-indoleacetic acid idlulisela ohlangothini olungezansi lwegatsha, i-geotropy yegatsha iyenzeka. Lapho i-indoleacetic acid idluliselwa ohlangothini olunomthunzi wegatsha, i-phototropism yegatsha iyenzeka. I-Indoleacetic acid ibangela ukubusa okuphezulu; Ukubambezeleka kwe-leaf senescence; I-Auxin efakwe emaqabunga ivimbela ukuchithwa, kuyilapho i-auxin esetshenziswa ekugcineni kwesendlalelo esihlukanisiwe ikhuthaza ukuchithwa. I-Auxin ikhuthaza ukuqhakaza, ikhuthaza ukukhula kwezithelo ezingahlangani nobulili, futhi ibambezele ukuvuthwa kwezithelo.
Indlela yokusebenzisa i-I-IAA 3-indole acetic acid
1. Ukucwiliswa emanzini
(1) Phakathi nesikhathi sokuqhakaza esigcwele sikatamatisi, izimbali zicwiliswa esixazululweni samamiligremu angu-3000 ilitha ngalinye ukuze kutholwe i-parthenogenic fruiting kanye nokumiswa kwezithelo kukatamatisi, zenze izithelo zikatamatisi ezingenambewu futhi zikhulise izinga lokumiswa kwezithelo.
(2) Ukucwiliswa kwezimpande kukhuthaza ukumila kwezitshalo ezifana nama-apula, amapentshisi, amapheya, izithelo ezisawolintshi, amagilebhisi, amakiwi, amasitrobheni, ama-poinsythia, ama-carnations, ama-chrysanthemums, ama-roses, ama-magnolia, ama-rhododendrons, izitshalo zetiye, i-metasequoia glyptostroboides, izimpande kanye nezimpande, ukusheshisa izinga lokuzalana kwezitshalo. Ngokuvamile, i-100-1000mg/L isetshenziselwa ukucwilisa isisekelo sokusika. Ezinhlobonhlobo ezijwayele ukuqothula, kusetshenziswa ukugxila okuphansi. Ezinhlotsheni okungelula ukuzisusa, sebenzisa ukugxila okuphezulu kancane. Isikhathi sokucwiliswa emanzini cishe amahora angu-8 kuya kwangu-24, ngokugxila okuphezulu kanye nesikhathi esifushane sokucwiliswa emanzini.
2. Ukufafaza
Kuma-chrysanthemums (ngaphansi komjikelezo wokukhanya wamahora angu-9), ukufafaza isisombululo esingu-25-400mg/L kanye kungavimbela ukuvela kwezimbali futhi kubambezele ukuqhakaza.
Isikhathi sokuthumela: Jul-07-2025