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Improvement of growth and root specific flavour compound 2-hydroxy-4-methoxy benzaldehyde of micropropagated plants of Decalepis hamiltonii Wight & Arn., under triacontanol treatment.

Giridhar, P. and Rajasekaran, T. and Ravishankar, G. A. (2005) Improvement of growth and root specific flavour compound 2-hydroxy-4-methoxy benzaldehyde of micropropagated plants of Decalepis hamiltonii Wight & Arn., under triacontanol treatment. Scientia Horticulturae, 106 . pp. 228-236.

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Abstract

Decalepis hamiltonii (swallow root) belongs to Asclepiadaceae and is an endangered shrub. It is generally considered as a tuberous root food mostly in the southern part of India, being a good source of bioactive compounds and flavour compounds with 2-hydroxy-4-methoxy benzaldehyde as the major constituent which resembles vanillin. We improved D. hamiltonii plant growth and yield of tubers with enhanced flavour compound, by using triacontanol (TRIA) soil drenching. Irrespective of the plant source, the interactive difference of the TRIA concentration and TRIA treatment interval showed the marked difference for yield and flavour content. The administration of triacontanol (0.228 mM) soil drenching twice by giving second treatment with a gap of 60 days after initial treatment, showed fast sign of growth and good yield of tubers with enhanced flavour content. The GC–MS profiles of flavour compound 2-hydroxy-4-methoxy benzaldehyde in tubers showed significant improvement over controls (1.5 times more), which could be useful for various commercial applications.

Item Type: Article
Uncontrolled Keywords: Decalepis; Triacontanol; Growth; Tubers; Shoot length
Subjects: 500 Natural Sciences and Mathematics > 10 Plants > 04 Plant Physiology
500 Natural Sciences and Mathematics > 10 Plants > 06 Trees And Shrubs
Divisions: Plant Cell Biotechnology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 15 Feb 2012 05:01
Last Modified: 15 Feb 2012 05:01
URI: http://ir.cftri.com/id/eprint/10633

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