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Biomass losses caused by Teratosphaeria leaf disease in Eucalyptus globulus short rotation forestry

Abstract: This article presents the results of a study that examines the loss of biomass and energy, per hectare, caused by Teratosphaeria leaf disease (TLD) in Eucalyptus globulus short rotation forestry. The 95 Eucalyptus globulus taxa analyzed are from seeds of open pollinated families of both Spanish and Australian origin. Tree height and diameter were measured and the crown damage index (CDI) assessed at 27 months of age. Taxa that have a certain tolerance to the disease have been identified. The taxon identified as code 283 is the one that shows lower CDI (42%) and with an average volume that exceeded 0.017 m3 at 27 months of age. Biomass losses were determined for each fraction of dry biomass of the tree (leaves, branches, twigs and bark) based on CDI. These losses were translated into terms of energy lost per hectare, depending on the CDI. A comparison was then carried out between the productivity of Eucalyptus globulus exhibiting various levels of TLD severity and poplar and willow clones used for bioenergy in Europe. In our region, the results show that despite the losses of biomass associated with TLD, Eucalyptus globulus remains competitive as long as CDI values are lower than 56%.

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 Autoría: Pérez S., Renedo C., Ortiz A., Ortiz F., Santisteban A.,

 Fuente: Forests 2017, 8(11), 447

Editorial: MDPI AG

 Fecha de publicación: 17/11/2017

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/f8110447

ISSN: 1999-4907