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Use of bioreactor systems in the propagation of forest trees

AuthorsVidal, N.; Sánchez, C.
Issue Date2019
PublisherJohn Wiley & Sons
CitationEngineering in Life Sciences 19: 896- 915 (2019)
AbstractPlant biotechnology can be used to conserve the germplasm of natural forests, and to increase the productivity and sustainability of plantations. Both goals imply working with mature trees, which are often recalcitrant to micropropagation. Conventional in vitro culture uses closed containers and gelled medium with sugar supplementation. Bioreactor culture uses liquid medium and usually incorporates aeration. The increased absorption of nutrients via the liquid medium together with the renewal of the air inside the bioreactors may improve the physiological state of the explants. In this review, we will explore the feasibility of using bioreactors to overcome the recalcitrance of many trees to micropropagation and/or to decrease the cost of large-scale propagation. We will focus on the recent use of bioreactors during the multiplication, rooting (plant conversion in the case of somatic embryos), and acclimation stages of the micropropagation of axillary shoots and somatic embryos of forest trees (including some shrubs of commercial interest), in both temporary and continuous immersion systems. We will discuss the advantages and the main obstacles limiting the widespread implementation of bioreactor systems in woody plant culture, considering published scientific reports and contributions from the business sector.
Publisher version (URL)http://dx.doi.org/10.1002/elsc.201900041
Identifiersdoi: 10.1002/elsc.201900041
issn: 1618-2863
Appears in Collections:(IIAG) Artículos
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