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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/712

Title: Ataques de traça da uva Lobesia botrana em diferentes castas das regiões dos Vinhos Verdes e Douro
Authors: Mexia, António
Aguiar, A.
Carlos, C.
Bastos, M.M.S.M.
Keywords: uva
ensaio biológico
aleloquimicos
grapes
bio-assays
alelochemicals
lobesia botrana
Issue Date: May-2003
Citation: Encontro Nacional de Protecção Integrada, 6º, Castelo Branco, 2003
Abstract: The European grape berry moth Lobesia botrana Denis & Schiffermüller (Lepidoptera: Tortricidae) is responsible for direct losses due to the damage cause to the grapes and indirect losses by allowing access to the grey mould Botrytis cinerea Pers. In some varieties – as Touriga Franca – the attacks are always more intensive than with other varieties. In this work, bio-assays have been performed to test the oviposition’s behaviour of L. botrana female. Three varieties of Vinhos Verdes region – Arinto, Loureiro and Trajadura – and three varieties of Douro region – Barroca, Touriga Franca, Touriga Nacional – have been tested. Only Touriga Franca presented significantly difference being more attractive. The bio-assays partially elucidate field observations and denounce a possible existence of alelochemicals in grapes berries.
URI: http://hdl.handle.net/10400.5/712
Appears in Collections:SPI - Comunicações em Actas de Conferências

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