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Articles by M. Khalekuzzaman
Total Records ( 3 ) for M. Khalekuzzaman
  M.Z. Rahman , M.H. Rahman , M.E. Haque , M.H. Kabir , S.L. Naher , K.M.K.B. Ferdaus , A.K.M. Nazmul Huda , M.S. Imran and M. Khalekuzzaman
  An experiment was conducted to find out a suitable banana (Ranginsagar and Sabari) based intercrop combination of potato and mustard in the research field of Institute of Biological Science of Rajshahi University, Rajshahi-6205, during Rabi season of 2003-2004. Average over the two years, it revealed that the highest yield of banana was observed in Ranginsagar + potato (64.72 t ha-1) and the lowest in sole mustard (1.92 t ha-1). Combinations of Ranginsagar + potato intercropping showed better performance than other combination and sole crop in respect of gross return (Tk. 735219 ha-1), net return (Tk. 359794 ha-1) and benefit cost ratio (1.95). The highest land equivalent ratio (LER) was 1.82 in Ranginsagar + Potato followed by Sabari + potato (1.79) and the lowest in Sabari + mustard (1.60). The economic return was more in intercropping than all sole crops.
  M.E. Haque , M.Z. Rahman , M. Faruk Hossen , M.M. Pervin , M.H. Kabir , K.M.K.B. Ferdaus , Luthfunnesa Bari , C.M. Zakaria , Pervez Hassan and M. Khalekuzzaman
  The aim of the present study was to investigate the antimicrobial and cytotoxic activities of five newly synthesized ferrocene based complexes [Mn(FcCOO)2, A], [Co(FcCOO)2, B], [Ni(FcCOO)2, C], [Cu(FcCOO)2, D] and [Zn(FcCOO)2, E]. The maximum antibacterial (at the concentration 100 μg disc-1) and antifungal (at the concentration 200 μg disc-1) activities were shown by the manganese complex A followed by cobalt complex B. The minimum activites were shown by Zink complex E. The minimum inhibitory concentration of the complexes was determined against four pathogenic bacteria Bacillus subtilis, Bacillus megaterinum, Escherichia coli and Shigella shiga and the values of complex A were found between 16-32 μg mL-1. Brine shirmp lethality bioassay was carried out and all the complexes also showed cytotoxic effect compared with the standard bleomycin (0.41 μg mL-1).
  M. Khalekuzzaman , M.F. Alam and M. Nuruzzaman
  Averrhoa carambola Linn. was micropropagated from nodal explants through axillary branching on MS medium supplemented with benzyladenine (BA) and Kinetin, Maximum numbers of shoots per explant were obtained on MS medium supplemented with 1.0 mg L-1 each of BA and Kinetin. Subculturing of regenerated shoots in MS medium having low concentration of BA (0.1 mg L-1) stimulates shoot elongation. Regenerated shoots were rooted by treating them with auxins and best root induction (70%) was observed in half-strength MS medium supplemented with 0.5 mg L-1 indole-3-butyic acid (lBA). Rooted plantlets were successfully established in soil.
 
 
 
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