MatsayinAcid na IAA mai indole 3-indole acetic
Ana amfani da shi azaman abin ƙarfafa ci gaban shuka da kuma maganin nazari. IAA 3-indole acetic acid da sauran abubuwan auxin kamar 3-indoleacetaldehyde, IAA 3-indole acetic acid da ascorbic acid suna wanzuwa ta halitta a cikin yanayi. Babban abin da ke haifar da 3-indoleacetic acid don biosynthesis a cikin tsire-tsire shine tryptophan. Babban aikin auxin yana cikin daidaita ci gaban tsirrai. Ba wai kawai yana haɓaka girma ba, har ma yana da tasirin hana girma da samuwar gabobi. Auxin ba wai kawai yana wanzuwa a cikin 'yanci a cikin ƙwayoyin shuka ba, har ma yana iya ɗaurewa da macromolecules na halitta da sauran nau'ikan auxin. Akwai kuma auxin waɗanda zasu iya samar da hadaddun abubuwa tare da abubuwa na musamman, kamar indole-acetylasparagine, indole-acetyl pentose acetate da indole-acetylglucose, da sauransu. Wannan na iya zama nau'in ajiyar auxin a cikin ƙwayoyin halitta da kuma hanyar kawar da gubar auxin da yawa.
A matakin ƙwayoyin halitta, auxin na iya ƙarfafa rabuwar ƙwayoyin cambium; Yana ƙarfafa tsawaita ƙwayoyin rassan kuma yana hana haɓakar ƙwayoyin tushe; Yana haɓaka bambance-bambancen ƙwayoyin xylem da phloem, yana sauƙaƙa tushen yankewa, da kuma daidaita yanayin ƙwayoyin callus.
Auxin yana taka rawa daga girma zuwa girman 'ya'yan itace a matakin gabobi da kuma dukkan tsirrai. Hana haske ja mai juyewa na auxin wajen sarrafa tsawaitar mesocotyl a cikin tsirrai; Lokacin da indoleacetic acid ya koma ƙasan reshen, yanayin reshen yana faruwa. Lokacin da aka canza indoleacetic acid zuwa gefen inuwa na reshen, hasken reshe yana faruwa. Indoleacetic acid yana haifar da rinjaye mafi girma; Jinkirin tsufa na ganye; Auxin da aka shafa a ganyen yana hana zubar da jini, yayin da auxin da aka shafa a ƙarshen ƙarshen da aka raba yana inganta zubar da jini. Auxin yana haɓaka fure, yana haifar da ci gaban 'ya'yan itatuwa marasa jinsi ɗaya, kuma yana jinkirta nuna 'ya'yan itace.
Hanyar amfani da na'urarAcid na IAA mai indole 3-indole acetic
1. Jikewa
(1) A lokacin cikakken lokacin furanni na tumatir, ana jiƙa furannin a cikin ruwan magani na miligram 3000 a kowace lita don haifar da 'ya'yan itatuwa da yanayin 'ya'yan itace na tumatir, samar da 'ya'yan tumatir marasa iri da kuma ƙara yawan lokacin da 'ya'yan itacen ke tsirowa.
(2) Jiƙa tushen amfanin gona yana haɓaka tushen amfanin gona kamar apples, peaches, pears, 'ya'yan itatuwa citrus, inabi, kiwis, strawberries, poinsythia, carnations, chrysanthemums, wardi, magnolia, rhododendrons, shuke-shuken shayi, metasequoia glyptostroboides, da poplar, kuma yana haifar da samuwar tushen advadvtive, yana hanzarta saurin haifuwar shuke-shuke. Gabaɗaya, ana amfani da 100-1000mg/L don jiƙa tushen yanke. Ga nau'ikan da ke da saurin tushe, ana amfani da ƙarancin yawan amfani. Ga nau'ikan da ba su da sauƙin shukawa, yi amfani da ƙaramin yawan amfani. Lokacin jiƙa shine kimanin awanni 8 zuwa 24, tare da babban yawan amfani da ɗan gajeren lokacin jiƙawa.
2. Fesawa
Ga chrysanthemums (a ƙarƙashin zagayowar haske na awanni 9), fesa maganin 25-400mg/L sau ɗaya na iya hana bayyanar furannin fure kuma yana jinkirta fure.
Lokacin Saƙo: Yuli-07-2025