Comparison of different methods of grapevine yield Prediction in the time window Between fruitset and veraison

Fuente Lloreda, Mario de la and Linares Torres, Rubén and Baeza Trujillo, Pilar and Miranda, Carlos and Lissarrague Garcia-Gutierrez, Jose Ramon (2015). Comparison of different methods of grapevine yield Prediction in the time window Between fruitset and veraison. "Journal International Des Sciences de la Vigne Et Du Vin", v. 49 (n. 1); pp. 27-35. ISSN 1151-0285. https://doi.org/10.20870/oeno-one.2015.49.1.96.

Description

Title: Comparison of different methods of grapevine yield Prediction in the time window Between fruitset and veraison
Author/s:
  • Fuente Lloreda, Mario de la
  • Linares Torres, Rubén
  • Baeza Trujillo, Pilar
  • Miranda, Carlos
  • Lissarrague Garcia-Gutierrez, Jose Ramon
Item Type: Article
Título de Revista/Publicación: Journal International Des Sciences de la Vigne Et Du Vin
Date: 2015
ISSN: 1151-0285
Volume: 49
Subjects:
Faculty: E.U.I.T. Agrícolas (UPM)
Department: Producción Agraria
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Aim: To compare grape yield prediction methods to determine which provide the best results in terms of earliness of prediction in the growing season, accuracy and precision. Methods and results: The grape yields predicted by six models ? one for use at fruitset (FS), two for use at veraison (V1 and V2), and three for use during the lag phase (LP40, LP50 and LP60) ? were compared to fieldmeasured yields. Regressions for the yield predicted by each model were constructed. The V1 and V2 models had the highest R2 (0.75) and efficiency index (EF; 0.67-0.71) and the lowest RMSE values (±16-17%, or <0.5 kg per mof row). The FS model had the same or similar R2 (0.58), EF (0.06) and RMSE (±30%, or <0.83 kg per m of row) values as the LP models, but allowed yield predictions to be made one month earlier.

More information

Item ID: 40710
DC Identifier: http://oa.upm.es/40710/
OAI Identifier: oai:oa.upm.es:40710
DOI: 10.20870/oeno-one.2015.49.1.96
Official URL: https://oeno-one.eu/article/view/96
Deposited by: Memoria Investigacion
Deposited on: 30 Jan 2017 13:19
Last Modified: 05 Jun 2019 14:19
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