Application of Thidiazuron in the Micropropagation of Fagaceae

  • Ma del Carmen San José
  • Ma Teresa Martínez
  • Ma José Cernadas
  • Raquel Montenegro
  • Elena Corredoira
Chapter

Abstract

The Fagaceae family consists of 7 genera and around 1000 species of trees and bushes that are mainly distributed in temperate and warm areas of the northern hemisphere, although few cross the equator in Southeast Asia. In terms of forestry, members of the Fagaceae are of most importance in forests in the temperate regions of the northern hemisphere, a dominance shared with the conifers that replace this family in cold areas and mountain tops. The genera Quercus (oaks and holm oaks), Fagus (beeches), and Castanea (chestnut) are commercially important sources of timber; Castanea and Quercus (holm oaks) also provide fruits that are used as human food and as animal feed. Many of these trees are also of ornamental value, mainly due to their attractive color of their leaves in autumn.

The majority of these species are difficult to propagate, particularly when the trees reach their adult stage. Biotechnology techniques, such as in vitro tissue culture, would therefore be of great use for their propagation and conservation. These techniques involve the use of growth regulators, especially cytokinins, among which is included thidiazuron (TDZ). This cytokinin has been used to stimulate the development of axillary buds and, mainly, for the induction of adventitious buds and in very few cases in somatic embryogenesis processes. This review presents a summary of the various studies in which TDZ has been used in the micropropagation of diverse species of the family Fagaceae.

Keywords

Castanea Fagaceae Fagus Micropropagation Quercus Thidiazuron 

Notes

Acknowledgments

To all the members who, during all these years, have been part of the Biotechnology and Forest Improvement Group, having contributed in one way or another to the success of the micropropagation of these species. These works have been partially funded with different projects from CICYT, MINECO, and Xunta de Galicia (Spain).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Ma del Carmen San José
    • 1
  • Ma Teresa Martínez
    • 1
  • Ma José Cernadas
    • 1
  • Raquel Montenegro
    • 1
  • Elena Corredoira
    • 1
  1. 1.Instituto de Investigaciones Agrobiológicas de Galicia, CSICSantiago de CompostelaSpain

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