Abstract
The cork oak is an evergreen tree species typical of Mediterranean forests. It grows in dense stands but also in low density, in the savanna-like system called “dehesa” in Spain and “montado” in Portugal. The most characteristic production of Quercus suber is cork, although acorn crops are also important for feeding pigs of the Iberian race. The products obtained from the species justify the accomplishment of genetic improvement programs. Current strategies of forest tree breeding emphasize on the use of vegetative propagation to rapidly capture all the potential of selected individuals and establish them in plantations, performing Multi-Varietal Forestry . Somatic embryogenesis is one of the enabling technologies to carry out that strategy. Our protocol for cloning adult cork oak trees by somatic embryogenesis is robust enough to capture any genotype, and currently it is adequate to produce the limited number of plants needed to establish clonal test. However for large-scale profitable clonal propagation, the scaling-up of plant production using culture in liquid medium has to be developed. Herein we describe step-wise protocols to perform the production of somatic embryos obtained from selected Quercus suber trees using culture systems based on liquid medium.
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Funds were provided by The Spanish National R&D Program, projects AGL2010-22292-C03-01 and AGL2013-47400-C4-1-R.
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Ruiz-Galea, M. et al. (2018). Cork Oak Quercus suber L. Embryogenic Liquid Cultures. In: Jain, S., Gupta, P. (eds) Step Wise Protocols for Somatic Embryogenesis of Important Woody Plants. Forestry Sciences, vol 84. Springer, Cham. https://doi.org/10.1007/978-3-319-89483-6_18
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DOI: https://doi.org/10.1007/978-3-319-89483-6_18
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