In Quercus suber, cork oak, a Mediterranean forest tree of economic and social interest, rapid production of isogenic lines and clonal propagation of elite genotypes have been achieved by developing in vitro embryogenesis from microspores and zygotic embryos respectively. | Nội dung Text Early markers are present in both embryogenesis pathways from microspores and immature zygotic embryos in cork oak Quercus suber L