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IJEB Vol.47(03) [March 2009] >

Title: In vitro growth and shoot multiplication in Terminalia bellerica Roxb. under controlled carbon dioxide environment
Authors: Suthar, R K
Rathore, P
Purohit, S D
Keywords: Carbon dioxide enrichment
Medicinal plant
Photoautotrophic multiplication
Issue Date: Mar-2009
Publisher: CSIR
Abstract: The shoot cultures of Terminalia bellerica Roxb. were grown on Murashige and Skoog’s medium containing 1.5 mg l ⁻¹ BAP (6- benzyl aminopurine), and supplemented with or without sucrose (3 %). A range of CO₂ concentrations (0.0, 0.6, 10, 40 g⁻³) was provided in small acrylic chambers by using different concentrations and combinations of NaHCO₃ (sodium bicarbonate), Na₂CO₃ (sodium carbonate), KHCO₃ (potassium bicarbonate) and K₂CO₃ (potassium carbonate). To obtain a CO₂-free environment, a saturated solution of 10 % of KOH (potassium hydroxide) was kept in the chamber. Complete absence of carbon source caused death of shoots within 20 days. Under controlled and enriched CO2, the shoots grew fully photoautotropically on sucrose-free medium. The growth of cultures was better with carbon dioxide (40 g⁻³) than sucrose (3%) in the medium. Maximum number of shoots, number of leaves per cluster, fresh and dry weight and chlorophyll contents were recorded when both sucrose and CO₂ (40 g⁻³) were provided to the culture.
Page(s): 204-209
ISSN: 0019-5189
Source:IJEB Vol.47(03) [March 2009]

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