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The effect of different indole-3-butyric acid (IBA) concentration, 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, Boon Ling and R., Ridzuan (2009) The effect of different indole-3-butyric acid (IBA) concentration, two light regimes of in vitro rooting and acclimatization of in vitro teak (Tectona grandis L.f) plantlets. African Journal of Biotechnology, 8 (22). pp. 6158-6161. ISSN 1684–5315

Abstract

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: Teak; Tectona grandis plantlets; Indole-3-butyric acid; Light regime; In vitro rooting; Acclimatization
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 25 Aug 2015 07:54
Last Modified: 25 Aug 2015 08:36
URI: http://psasir.upm.edu.my/id/eprint/17078
Statistic Details: View Download Statistic

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