Protocol of Somatic Embryogenesis of Pinus nigra Arn.

Institute of Plant Genetics and Biotechnology, Slovak Academy of Sciences, Akademicka 2, P.O. Box 39 A, SK-950 07 Nitra 1, Slovak Republic. E-mail: nrgrtesa@savba.sk; 2 Lab. Fisiologia Vegetal,Dpto. Biologia de Organismos y Sistemas, Universidad de Oviedo. c/ Catedratico Rodrigo Uria s/n 33071 Oviedo, Spain.E-mail: rrodri@correo.uniovi.es ; 3 Instituto de Biotecnologia de Asturias, Oviedo, Spain ; Institute for Biological Research, Belgrade