Extracted <i>Eucalyptus globulus</i> Bark Fiber as a Potential Substrate for <i>Pinus radiata</i> and <i>Quillaja saponaria</i> Germination

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dc.contributor.authorFerrer-Villasmil, Victor
dc.contributor.authorFuentealba, Cecilia
dc.contributor.authorReyes-Contreras, Pablo
dc.contributor.authorRubilar, Rafael
dc.contributor.authorCabrera-Barjas, Gustavo
dc.contributor.authorBravo-Arrepol, Gaston
dc.contributor.authorEscobar-Avello, Danilo
dc.date.accessioned2025-01-20T17:06:33Z
dc.date.available2025-01-20T17:06:33Z
dc.date.issued2024
dc.description.abstractThis study aimed to explore alternative substrates for growing forest species using eucalyptus bark. It evaluated the potential of extracted Eucalyptus globulus fiber bark as a substitute for commercial growing media such as coconut fiber, moss, peat, and compost pine. We determined the physicochemical parameters of the growing media, the germination rate, and the mean fresh and dry weights of seedlings. We used the Munoo-Liisa Vitality Index (MLVI) test to evaluate the phytotoxicity of the bark alone and when mixed with commercial substrates. Generally, the best mixture for seed growth was 75% extracted eucalyptus bark fiber and 25% commercial substrates. In particular, the 75E-25P (peat) mixture is a promising substitute for seedling growth of Pinus radiata, achieving up to 3-times higher MLVI than the control peat alone. For Quillaja saponaria, the best growth substrate was the 50E-50C (coconut fiber) mixture, which had the most significant MLVI values (127%). We added chitosan and alginate-encapsulated fulvic acid phytostimulants to improve the performance of the substrate mixtures. The fulvic acid, encapsulated or not, significantly improved MLVI values in Q. saponaria species and P. radiata in concentrations between 0.05 and 0.1% w/v. This study suggests that mixtures with higher levels of extracted fiber are suitable for growing forest species, thus promoting the application of circular economy principles in forestry.
dc.description.funderANID BASAL
dc.fuente.origenWOS
dc.identifier.doi10.3390/plants13060789
dc.identifier.issn2223-7747
dc.identifier.urihttps://doi.org/10.3390/plants13060789
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/90802
dc.identifier.wosidWOS:001193456300001
dc.issue.numero6
dc.language.isoen
dc.revistaPlants-basel
dc.rightsacceso restringido
dc.subjectsustainable agriculture
dc.subjectsubstrates
dc.subjectfibers
dc.subjectgermination
dc.subjectforestry
dc.subjectwaste management
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods02 Zero Hunger
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa02 Hambre cero
dc.titleExtracted <i>Eucalyptus globulus</i> Bark Fiber as a Potential Substrate for <i>Pinus radiata</i> and <i>Quillaja saponaria</i> Germination
dc.typeartículo
dc.volumen13
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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