Somatic Embryogenesis and Plant Regeneration in Acanthopanax sciadophylloides

概要

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Somatic embryos of Acanthopanax sciadophylloides Franch, et Sav. were differentiated from both zygotic and somatic embryos and calli, and plants were regenerated from these somatic embryos. A zygotic embryo, enclosed within a small portion of the endosperm, was incubated on Murashige and Skoog (MS) media supplemented with various combinations (range 0-10.0 mg/l) of 6-benzylaminopurine (BAP) and 2,4-dichlorophenoxyacetic acid (2,4-D). After 4 months, swelling of the zygotic embryos and callus formation was observed. When the swollen embryos were transferred to MS medium supplemented with 0.5 mg/1 of 2,4-D, somatic embryos were formed in one to two months. After subculture on the same medium, new embryos were differentiated from various parts of the older somatic embryos. The calli were cultured on medium supplemented with 2.0 mg/1 of 2,4-D and BAP for three weeks. Proliferated calli were transferred to medium supplemented with 1.0 mg/l of 2,4-D and BAP. Somatic embryos were differentiated from the calli within one to two months. Somatic embryos were germinated on half-strength MS medium without plant growth regulators and the plantlets were grown in soil.
日本森林学会の論文
1996-02-16