Journal of Biology and Life Science ISSN 2157-6076 2017, Vol. 8, No. 2 20 Enhancement of Somatic Embryogenesis by Mature and Immature Seeds in Wheat (Triticum aestivum L.) Supria Saha Plant Genetic Engineering Lab., Institute of Biological Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh Zohorul Islam Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi-6205, Bangladesh Sadequl Islam Department of Zoology, University of Rajshahi, Rajshahi-6205, Bangladesh Mirza Fida Hassan Plant Genetic Engineering Lab., Institute of Biological Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh Md. Shahadat Hossain Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi-6205, Bangladesh S. M. Shahinul Islam (Corresponding author) Plant Genetic Engineering Lab., Institute of Biological Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh E-mail: shahin_ibsc@ru.ac.bd