Somatic embryogenesis in cotyledons of Picea abies is enhanced by an adventitious bud-inducing treatment

Somatic embryos were obtained from young, isolated cotyledons of Picea abies. A bud-inductive treatment for one week before transfer to a callus induction medium, resulted in a tenfold increase in the percentage of cotyledons in which embryonic tissues could be induced. The degree of expression of s...

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