The present invention relates to a method for culturing a somatic embryo, comprising the steps of: obtaining a cotyledon explant of a seed embryo by cutting the collected sprout seeds; inducing a somatic embryo by dipping the cotyledon embryoid on a somatic embryo induction medium; The present invention relates to a silent propagation method of a spruce tree, comprising the step of germinating a somatic embryo to produce shoots and roots. According to the silent propagation method of the present invention, clonal seedlings of spruce can be produced within a short time, The same method can also be applied to the new variety breeding of the spruce tree.
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