00882nam a2200217 a 450000100060000000300080000600500170001400800410003103500190007204000350009104100080012608200250013410000240015924501770018326000800036030000390044050200860047950400320056565000290059770000380062681583BD-RjUL20230718144518.0230718s2019    bg a|||| m||| 00| 0 eng d  a(BD-RjUL)81583  aBD-RjULbengcBD-RjULdBD-RjUL  aeng  a572.87bISI 2019223  aIslam, Md. Touhidul10aImprovement of Orchid Species Through in Vitro Micropropagation and Induction of Polyploidy by Antimitotic Agents /cMd. Touhidul Islam ;6Supervisor : S. M. Shahinul Islam  aRajshahi :bInstitite of Biological Sciences, University of Rajshahi,c2019  axxi, 191 Leaves :bill, ;c29 cm.   aThesis (Ph. D.) -- Institute of Biological Sciences, University of Rajshahi, 2019  aReferences : Leaves 150-191  2Polyploidy aChromosomes  aIslam, S. M. Shahinul, Supervisor