Metabolism of phenolic compounds, growth regulators and polyamines in plant tissue cultures, metabolism of phenolic compounds and polyamines in relation to growth and differentiation.
Somatic embryogenesis of conifers (Picea abies, Abies alba, A. cephalonica, A. nordmanniana): induction of embryogenic cultures, maturation, desiccation, and germination of somatic embryos. Endogenous phytohormones during somatic embryogenesis (ABA, IAA, cytokinins, polyamines, ethylene), anatomy of somatic embryos. Cryopreservation of conifer embryogenic cultures.