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The effects of different indole-3-butyric acid (IBA) concentrations, two light regimes of in vitro rooting and acclimatization of in vitro teak (Tectona grandis L.f) plantlets


Citation

Ab Shukor, Nor Aini and Goh, B. L. and R., Mohd Ridzuan (2009) The effects of different indole-3-butyric acid (IBA) concentrations, two light regimes of in vitro rooting and acclimatization of in vitro teak (Tectona grandis L.f) plantlets. African Journal of Biotechnology, 8 (22). art. no. 898BFBA13809. pp. 6158-6161. ISSN 1684–5315

Abstract / Synopsis

Effects of different indole-3-butyric (IBA) concentrations (0, 0.5, 1.0, 2.0, 3.0 and 5.0 mg/l), two light regimes of in vitro rooting and acclimatization on in vitro teak (Tectona grandis L.f) were investigated. Shoots incubated in the light produced higher mean number of roots (2.0) and mean root length of 15.0 and 4.5 mm when supplemented with low IBA concentrations of 0.5 and 1.0 mg/l, respectively. Conversely, when shoots were incubated in the dark, higher mean number of roots (8.0 and 3.0) and mean root lengths (14.0 and 8.8 mm) were produced when supplemented with higher IBA concentrations of 2.0 and 3.0 mg/l, respectively. IBA was found necessary for root induction and growth in light and dark where 2.0 mg/l was optimum as it recorded high mean number of root (6.0 and 8.0) with mean root lengths of 11.8 and 14.0 mm, respectively. High survival percentage of 80% was recorded for those plantlets raised in "jiffy-7" but survival reduced to 40% when grown in the autoclaved soil after one week.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Forestry
Institute of Tropical Forestry and Forest Products
Publisher: Academic Journals
Keywords: Acclimatization; In vitro rooting; Indole-3-butyric acid; Light regime; Teak (Tectona grandis) plantlets
Depositing User: Norhazura Hamzah
Date Deposited: 07 May 2010 12:30
Last Modified: 09 Nov 2017 14:17
URI: http://psasir.upm.edu.my/id/eprint/6012
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