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Articles by N. Khatun
Total Records ( 2 ) for N. Khatun
  Sharmin Shahnewaz , M.A. Bari , N.A. Siddique , N. Khatun , M.H. Rahman and M.E. Haque
  Anthers of three rice cultivars having late uninucleate microspores were studied for induction of haploid rice plants. Anthers were cultured on Z2 medium supplemented with various combinations and concentrations of auxins and kinetin (cytokinin). The best callusing from cultured anthers obtained in 2 medium containing 2,4-D 2 mg l-1, NAA 2.5 mg l-1 and kin 0.5 mg l-1. For regeneration of haploid plantlets anther derived calli were transferred to modified MS medium enriched with kin 1 mg l-1, NAA 1 mg l-1, BAP 1.0 ml l-1 and incubated at 25±1OC in light. BRRI Dhan-29 produced both green and albino plants while BR-3 produced green plants only. Green plantlets obtained from BRRI Dhan-29 were examined and found to be 69.2% haploid plants.
  S. Huda , N.A. Siddique , N. Khatun , M.H. Rahman and M. Morshed
  Regeneration of multiple shoots via callus induction and organogenesis was achieved from cotyledon explants of chickpea (Cicer arietinum L.). Callus induction and shoot regeneration at various frequencies were observed using different concentrations and combinations of growth regulators. Highest percentage (95) of callus formation was observed on MS+ 3.0 mg l–1 2, 4-D+3.0 mg l–1 BAP. The maximum percentage (40) of shoot bud formation was obtained on MS medium fortified with 2.0 mg l–1 BAP and 0.5 mg l–1 NAA with number of shoots per callus was 2.50. The regenerated shoots developed highest percentage (77) roots on ½ MS basal medium containing 1.0 mg l–1 IBA. Regenerated plants were successfully established in soil after acclimatization. Maximum survivability after 4 weeks of transplantation was achieved in 21 days old rooted shoots on garden soil.
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