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Protocol for augmented shoot organogenesis in selected variety of soybean [Glycine max L. (Merr.)].
MedLine Citation:
PMID:  23214267     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Development of a reproducible, versatile and efficient in vitro plant regeneration system is highly warranted for Indian soybean varieties for their mass multiplication in view of their commercial significance. Accordingly a protocol for direct shoot organogenesis in soybean variety JS 335 has been developed. Using cotyledonary node explants significant organogenic responses, mean shoot number and shoot length were observed when these were incubated on MS medium supplemented with 0.89 microM Benzyladenine (BA) and 5 microg/L triacontanol (TRIA) where in 9.3 +/- 0.5 shoots were obtained. TRIA at 5 microg/L able to produce 6.8 +/- 0.5 shoot buds in presence of 0.98 microM IBA and 0.89 microM BA. Highest mean shoot buds (14.0 +/- 0.5 and 9.0 +/- 0.5) and mean shoot length (4.6 +/- 0.3 and 10.0 +/- 0.7) were obtained when cotyledonary node and shoot tip explants were cultured on MS medium containing 0.14 microM gibberellic acid (GA3), 0.89 microM BA and 5 microg/L TRIA. Moreover, TRIA supported highest mean root number (6.3 +/- 0.5) and root length (21.5 +/- 0.57 cm). Field survival of in vitro derived plants of TRIA treatment was 70% and the overall growth and seed yield was also significantly better than control plants. This protocol may be used for improving the in vitro regeneration of soybean variety JS 335 for transformation studies.
Authors:
M K Akitha Devi; G Sakthivelu; P Giridhar; G A Ravishankar
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Indian journal of experimental biology     Volume:  50     ISSN:  0019-5189     ISO Abbreviation:  Indian J. Exp. Biol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0233411     Medline TA:  Indian J Exp Biol     Country:  India    
Other Details:
Languages:  eng     Pagination:  729-34     Citation Subset:  IM    
Affiliation:
Plant Cell Biotechnology Department, CSIR-Central Food Technological Research Institute (CFTRI), Mysore 570 020, India.
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