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Histological Observation of Developmental Somatic Embryos of Eleutherococcus sessiliflorus
Abdullah Mohammad Shohael,Rafiul Islam,Eun-Joo Hahn,Kee-Yoeup Paek 한국원예학회 2006 Horticulture, Environment, and Biotechnology Vol.47 No.1
Calli were initiated from leaf explants of Eleutherococcus sessiliflorus cultured on Murashige and Skoog (MS) medium supplemented with 1.0 ㎎ㆍL?¹ 2,4-dichlorophenoxyacetic acid. Somatic embryos were induced in MS medium without plant growth regulators. The cells from friable embryogenic calli were converted to proembryogenic masses and started divisions, which resulted in the formation of the meristemic cells. The meristemic cells continued division to develop into globular, then heart, torpedo, and finally cotyledonary structures. These embryos contained well-defined root and shoot meristemetic zones and developed into plantlets. Embryogenic calli, non-embryogenic calli and their different developmental stages were histologically observed and described. Histological studies confirmed that developed embryos from leaf explants were somatic embryos, which passed through all the stages of normal embryo development.
Histological Observation of Developmental Somatic Embryos of Eleutherococcus sesssiliflorus
Abdullah Mohammad Shohael,백기엽,한은주,Rafiul Islam 한국원예학회 2006 Horticulture, Environment, and Biotechnology Vol.47 No.1
Calli were initiated from leaf explants of Eleutherococcus sessiliflorus cultured on Murashige and Skoog (MS) medium supplemented with 1.0 mgL1 2,4-dichlorophenoxyacetic acid. Somatic embryos were induced in MS medium without plant growth regulators. The cells from friable embryogenic calli were converted to proembryogenic masses and started divisions, which resulted in the formation of the meristemic cells. The meristemic cells continued division to develop into globular, then heart, torpedo, and finally cotyledonary structures. These embryos contained well-defined root and shoot meristemetic zones and developed into plantlets. Embryogenic calli, non-embryogenic calli and their different developmental stages were histologically observed and described. Histological studies confirmed that developed embryos from leaf explants were somatic embryos, which passed through all the stages of normal embryo development.