Low-cost media for in vitro conservation of turmeric (Curcuma longa L.) and genetic stability assessment using RAPD markers

Up to 73% decrease in cost of media for plant regeneration and in vitro conservation was achieved in Curcuma longa cv Prathibha by using inexpensive carbon source and gelling agent. Laboratory reagent-grade sucrose was replaced by locally available commercial sugar (market sugar or sugar cubes) as c...

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Bibliographic Details
Published in:In vitro cellular & developmental biology. Plant 2007-01, Vol.43 (1), p.51-58
Main Authors: Tyagi, Rishi K., Agrawal, Anuradha, Mahalakshmi, C., Hussain, Zakir, Tyagi, Husnara
Format: Article
Language:English
Subjects:
adverse effects
agar
Cane sugar
Carbon
Carbon dioxide
Cell culture
Cubes
Curcuma
Curcuma longa
DNA
Flowers & plants
gelation
Genetic stability
in vitro regeneration
Indian culture
Isabgol
Isubgol
Low-cost tissue culture media
Matric potential
MICROPROPAGATION
Osmotic potential
Plant reproduction
Plantlets
Plants
Psyllium husk
random amplified polymorphic DNA technique
shoots
sucrose
Sugar
Sugars
Tissue engineering
Turmeric
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Summary:Up to 73% decrease in cost of media for plant regeneration and in vitro conservation was achieved in Curcuma longa cv Prathibha by using inexpensive carbon source and gelling agent. Laboratory reagent-grade sucrose was replaced by locally available commercial sugar (market sugar or sugar cubes) as carbon source and bacteriological grade agar by isabgol (also named isubgol) as gelling agent. No adverse effects on shoot regeneration and conservation on isabgol-gelled low-cost media were observed as compared to that on agar-gelled control medium (CM). Some 33–56% cultures of C. longa survived up to 12 mo. on isabgol-gelled medium in comparison to only 16% on CM. Genetic stability of 12-month-old in vitro-conserved plants was assessed using 25 random amplified polymorphic DNA (RAPD) primers; no significant variation was observed in RAPD profiles of mother plants and in vitro-conserved plantlets on CM and low-cost media.
ISSN:1054-5476
1475-2689
DOI:10.1007/s11627-006-9000-y