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Articles by Mst. Nahida Laiju
Total Records ( 2 ) for Mst. Nahida Laiju
  Mst. Nahida Laiju , G. Kabir , M.J. Islam , , M. Hasanuzzaman and M.S. Rahman
  The present study was conducted for karyomorphological investigation in 15 lines of two species of Hordeum. All the lines showed a diploid chromosome number of 14. Differences were observed regarding chromosome length, total chromatin length (TCL), type etc. among the 15 entries. The longest (11.06 μm) chromosomes were observed in BTON-10 while the shortest (4.23 μm) in BEL-4 and BEL-36 of Hordeum vulgare. Extra large chromosomes were found in BEL-4 (1 pair) and BTON-10 (5 pairs) of H. vulgare. Large type chromosomes were found in BHV-105, BTON-10 and conquest of H. vulgare. Medium type and relatively short type chromosomes were absent in BEL-36, BHV-1 and BTON-10 of H. vulgare, respectively. More metacentric chromosomes (7 pairs) were found in BHV-1 of H. vulgare. Maximum chromatin length (70.21 μm) was also found in BTON-10 and minimum (40.96 μm) in BEL-36 of H. vulgare. Maximum (47.76%) and minimum (39.88%) total fractional percentage (TF %) were found in BHV-1 and API-19 of H. vulgare, respectively. Each line has a specific chromosomal morphology which might be responsible for the variations of Hordeum species.
  Mst. Nahida Laiju , M.J. Islam , M. Hasanuzzaman , M.A.S. Mondol and G. Kabir
  Patterns of morphological variation in Hordeum species were determined by metroglyph analysis which revealed apparently four clusters comprising more than one line out of 15 studied. Cluster I was comprised of Centinella and Conquest of H. vulgare. Cluster II was comprised of single line of H. nudum and four lines (API-19, BEL-34, BEL-72 and BTON-10) of H. vulgare. Cluster III and IV were consisted of BEL-4, BTYN-8 and BTYN-37 and BEL-16, BHV-1, BHV-91, BHV-95 and BHV-105 of H. vulgare respectively. These clusters showed distinct graduation for breadth of flag leaves i.e., low (cluster I), relatively low (cluster III), intermediate (cluster II) and high (cluster IV). The ray`s pattern for 11 morphological characters on the glyph among the clusters revealed a marked variation for the presence or absence of rays.
 
 
 
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