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Título
Failure under stress of grapevine wood: The effects of the cerambycid Xylotrechus arvicola on the biomechanics properties of Vitis vinifera
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Maderas. Ciencia y tecnología
Número de la revista
ahead
Cita Bibliográfica
Rodríguez González, Á.; Casquero Luelmo, P. A.; Carro-Huerga, G.; García González, J.; Álvarez García, S.; Juan Valdés, A. (2020). Failure under stress of grapevine wood: The effects of the cerambycid Xylotrechus arvicola on the biomechanics properties of Vitis vinifera. Maderas. Ciencia y tecnología, , 0-0(ahead), https://doi.org/10.4067/S0718-221X2020005000203
Editorial
Universidad del Bío-Bío. Facultad de Ingeniería. Departamento de Ingeniería en Maderas
Fecha
2020
Resumen
[EN] Xylotrechus arvicola is an insect pest on Vitis vinifera in the main wine-producing regions of Spain. X. arvicola larvae bore inside grapevine wood, which cause structural damages in the plants´ biomechanical properties. Grapevine wood affected and unaffected by larvae, were collected from vineyards. Compression and flexural tests were used to quantify biomechanical wood properties. Affected wood broke more quickly and endured a lower supported force than unaffected wood in both varieties and moisture states. Tempranillo was the most resistant variety on trunks, while Cabernet-Sauvignon was the most resistant variety on branches, where all infested varieties showed a lower rate of bending. Grapevine wood affected by X. arvicola larvae shows an important decrease in its resistance in both moisture states - dry and wet wood - and it is observed due to the faster break in time and a lower supported force. These damages give the affected wood greater sensitivity to external mechanical factors in the vineyards, such as strong winds, harvest weight and the vibration exerted by harvesting machines. The aspect of stress-time curves in all cases follow similar patterns, so in future studies might be possible to stablish relationships between both wet and dry samples and different infestation levels.
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