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Effects of media and plant growth regulators on the germination of somatic embryos of Angelica tree(Aralia elata Seem.) was studied for the mass production of Angelica tree through tissue culture. MS medium was found to be the most effective for the germination of somatic embryos(65% germination rat...

Effects of media and plant growth regulators on the germination of somatic embryos of Angelica tree(Aralia elata Seem.) was studied for the mass production of Angelica tree through tissue culture. MS medium was found to be the most effective for the germination of somatic embryos(65% germination rate), Among the MS medium, the medium containing 25% less inorganic salts and 1% less sucrose was found to be the most effective. Gelling agent with 0.2-0.3% gelrite promoted the germination of somatic embryo$(65{\sim}70%)$ and caused good growth of shoots and roots. 0.1 mg/l of BA and kinetin treatment caused $65{\sim}70%$ germination rate of somatic embryos and good growth of shoots and roots, and resulted in high percentage of dry matter. 1mg/l or 5 mg/l treatment of putrescine, and 10 mg/l treatment of spermidine caused 90% germination rate of somatic embryos and good growth of plant organs, and inhibited vitrification of regenerated plants.