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Articles by Chaitali Sen
Total Records ( 2 ) for Chaitali Sen
  Sananda Mondal , R.P. Singh , Chaitali Sen and Bandana Bose
  The regeneration protocol was developed from dehusked and sterilized seeds of rice variety Swarna (MTU 7029) to study callus induction, callus growth rate and regeneration potentiality. Different ranges of 2,4-D (1-4 mg L-1) and combinations of 6-Benzyl Aminopurine (BAP) (2-4 mg L-1) and α-Naphthalene Acetic Acid (NAA) (1 mg L-1) were used for callus induction, somatic embryo formation and plantlets regeneration respectively. Ninty six percent callus induction efficacy was found with 4 mg L-1 2,4-D. Whereas the high frequency of plantlets regenerated from embryogenic calli were observed in the combination of 4 mg L-1 BAP and 1 mg L-1 NAA; the embryogenic calli obtained from 2 mg L-1 2,4-D concentration performed better in this media (4 mg L-1 BAP and 1 mg L-1 NAA) than the other three used concentrations of 2,4-D. Physiological potentiality of 45 days old calli in terms of fresh and dry weights and proline content were showed a positive correlation. However, 4 mg L-1 2,4-D in medium showed low regeneration capacity of calli.
  Chaitali Sen and R.P. Singh
  The objective of the present study was to determine the effect of genotype and culture media in anther culture of boro rice hybrids. Anthers from three f1 hybrids of boroxhigh yielding indica rice varieties GautamxBPT 5204, Krishna HansaxNDR 359 and IR64xNDR 359 were cultured on modified SK media and modified N6 media. Modified SK media was found to be more suitable for callus formation in all the f1 hybrids. The cross GautamxBPT 5204 showed maximum callus induction frequency followed by Krishna HansaxNDR 359. Only the cross of Krishna HansaxNDR 359 was responsive to green plant regeneration while IR64xNDR359 and GautamxBPT 5204 resulted in only albino plants. Anther culture response is influenced by the genotype and media composition in indica rice hybrids.
 
 
 
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