1. In Vitro Plant Regeneration of Zenia Insignis Chun
- Author
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Zhang Deng, Chen Xiao-yang, Zhou Yu-qing, Li Jing-jian, Zhang Meng-jie, and Zhang Jun-jie
- Subjects
0106 biological sciences ,0301 basic medicine ,callus induction ,root induction ,Basal medium ,QH301-705.5 ,Biology ,Zenia insignis ,01 natural sciences ,Zenia insignis Chun ,General Biochemistry, Genetics and Molecular Biology ,03 medical and health sciences ,chemistry.chemical_compound ,Naphthalene acetic acid ,Biology (General) ,Gibberellic acid ,General Immunology and Microbiology ,General Neuroscience ,Regeneration (biology) ,biology.organism_classification ,In vitro ,Communications ,Horticulture ,030104 developmental biology ,chemistry ,Callus ,regeneration ,Shoot ,General Agricultural and Biological Sciences ,010606 plant biology & botany - Abstract
Zenia insignisChun is a large, fast-growing deciduous tree. In this study, we successfully developed a reliable and efficient protocol for the regeneration of fertile plants via callus induction from leaf segments of young Z. insignis seedlings. The best results were obtained with a medium containing 11.00 μM 6-benzyladenine (6-BA), 1.20 μM indole-3-butytric acid (IBA), and 0.45 μM 2,4-dichlorophenoxyacetic acid (2,4-D), which yielded morphogenic callus within 2 weeks at a frequency of 62.23%. We tested the effect of IBA alone and in combination with 6-BA on the bud differentiation response of Z. insignis callus. Shoots differentiated normally when cultured on differentiation medium containing 6.00 μM 6-BA and 1.20 μM IBA. Regenerated buds elongated successfully in medium containing 1.20 μM gibberellic acid (GA3). The elongated shoots were then transferred to Murashige and Skoog basal medium supplemented with various combinations of naphthalene acetic acid (NAA) for root induction; well-developed roots were achieved on MS basal medium supplemented with 0.01 μM NAA at a rooting rate of 89.23%. Rooted plantlets were successfully acclimatised to a greenhouse at a survival rate exceeding 90.00%.
- Published
- 2018