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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/1054

Title: Decision making on the control of the European grape berry moth Lobesia botrana in the "vinhos verdes" region, in the northwest of Portugal
Other Titles: Modele pour le control du vers de la grappe Lobesia botrana a la region de "vinhos verdes" dans le nord-ouest du Portugal
Toma de decisiones sobre el control de la polilla del racimo de la vid Lobesia botrana en la region de "vinhos verdes" al noroeste de Portugal
Authors: Mexia, António
St Aubyn, A.
Aguiar, A.
Keywords: lobesia botrana
integrated pest management
grapevine
decision making
Portugal
Issue Date: Mar-2008
Publisher: CERVIM
Citation: International Congress on Mountain and Steep Slope Viticulture, 2 nd, Galicia, March 2008
Abstract: A conceptual model is proposed as a decision tool for control of European grape moth Lobesia botrana Denis & Scchiffermuller (Lepidoptera; Tortricidae) in the "vinhos verdes" region in the northwest of Portugal. The aim is to use simple methods of estimating the pest population so the farmers can make future decisions earlier in the season and avoid the effects of a third generation. A dochotomous decision tree was used to structure the alternative choices by each farmer. For the tree L. botrana generations, generation by generation, the most user friendly and adapted estimates were selected. The model can be formatted in an Excell algorithm and can be easily copied for use in the entire region. With further information on the susceptibility of different grape variety to L. botrana - this model should be adaptable for progressive elaboration and refinement. By using local observations and decision thresholds the model can be extended to other regions
URI: http://hdl.handle.net/10400.5/1054
Appears in Collections:SPI - Comunicações em Actas de Conferências

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