A method for using monthly average temperatures in phenology models for grapevine (Vitis vinifera L.)
Visualitza/Obre
Autor/a
Marcos-Matamoros, Raül
Basile, Boris
Mataffo, Alessandro
Scognamiglio, Pasquale
Prieto, Henar
Mancha, Luis
Cabral, Inés
Queiroz, Jorge
Valente, Joana
Alves, Fernando
Gonzalez-Reviriego, Nube
Hernandez-Barrera, Sara
Data de publicació
2022-11-21ISSN
2494-1271
Resum
In recent years, there have been increasing efforts to link phenology models with seasonal climate predictions in so-called Decision Support Systems (DSS) to tailor crop management strategies. However, temporal discrepancies between phenology models with temperature data gathered on a daily basis and seasonal forecasting systems providing predictability on monthly scales have limited their use. In this work, we present a novel methodology to use monthly average temperature data in phenology models. Briefly stated, we modelled the timing of the appearance of specific grapevine phenological phases using monthly average temperatures. To do so, we computed the cumulative thermal time (Sf) and the number of effective days per month (effd). The effd is the number of days in a month on which temperatures would be above the minimum value for development (Tb). The calculation of effd is obtained from a normal probability distribution function derived from historical weather records. We tested the methodology on four experimental plots located in different European countries with contrasting weather conditions and for four different grapevine cultivars. The root mean square deviation (RMSD) ranged from 4 to 7 days for all the phenological phases considered, at all the different sites, and for all the cultivars. Furthermore, the bias of observed vs predicted comparisons was not significantly different when using either monthly mean or daily temperature values to model phenology. This new methodology, therefore, provides an easy and robust way to incorporate monthly temperature data into grapevine phenology models.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
634 - Horticultura. Viticultura
Pàgines
10
Publicat per
International Viticulture and Enology Society (IVES)
Publicat a
OENO One
Citació
Garcia-Tejera, Omar, Raül Marcos-Matamoros, Boris Basile, Alessandro Mataffo, Pasquale Scognamiglio, Henar Prieto, and Luis Mancha et al. 2022. "A Method For Using Monthly Average Temperatures In Phenology Models For Grapevine (≪I≫Vitis Vinifera≪/I≫ L.)". OENO One 56 (4): 173-182. doi:10.20870/oeno-one.2022.56.4.5401.
Número de l'acord de la subvenció
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTA2015-00089-C02-02/ES/Optimización del riego deficitario en viñas sometidas al forzado de la producción para la mejora de la calidad del vino frente al cambio climático/
EC/H2020/730253/EU/Vineyards´ Integrated Smart Climate Application/VISCA
MICIU/Programa Estatal de I+D+I orientada a los retos de la sociedad/PCI2019-103621/ES/Análisis multisectorial de los impactos del cambio climático y de uso de suelo sobre polinizadores, biodiversidad y rendimiento de los cultivos/ /
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/FJCI-2017-34086/ES/ /
EC/H2020/776467/EU/Turning climate-related information into added value for traditional MEDiterranean Grape, OLive and Durum wheat foods systems/MED-GOLD
Programa
Ús Eficient de l'Aigua en Agricultura
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