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Title: In vitro regeneration of Acacia mangium via organogenesis
Authors: Xie, D.
Hong, Y. 
Keywords: Micropropagation
Issue Date: 2001
Citation: Xie, D., Hong, Y. (2001). In vitro regeneration of Acacia mangium via organogenesis. Plant Cell, Tissue and Organ Culture 66 (3) : 167-173. ScholarBank@NUS Repository.
Abstract: Plant regeneration of Acacia mangium was achieved through organogenesis in callus cultures. Calli were induced from five types of explants (embryo axes and cotyledons of mature zygotic embryos as well as leaflets, petioles and stems of seedlings) of A. mangium on MS (Murashige and Skoog, 1962) basal medium containing 9.05 μM 2,4-dichlorophenoxyacetic acid (2,4-D) and 13.95 μM kinetin (KT). Green or green purple compact nodules containing clusters of meristematic centers were induced in these calli after transfer to MS basal medium containing 1.14-22.75 μM thidiazuron (TDZ) and 1.43-2.86 μM indole-3-acetic acid (IAA). A combination of 4.55 μM TDZ and 1.43 μM IAA promoted the highest percentage of calli to form nodules, in 8-11% of calli derived from cotyledons, embryo axes, leaflets or petiole and in 4% of calli derived from stems. Twenty-two percent of the nodules formed adventitious shoots on MS basal medium containing 0.045 μM TDZ. Shoots were elongated on MS medium containing 0.045 μM TDZ supplemented with 7.22 μM gibberellic acid. The medium containing 10.75 μM NAA and 2.33 μM KT promoted rooting of 10% of the elongated shoots. Plantlets grew up well in the green house.
Source Title: Plant Cell, Tissue and Organ Culture
ISSN: 01676857
DOI: 10.1023/A:1010632619342
Appears in Collections:Staff Publications

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