Evaluation of infestation by Lobesia botrana (Dennis et Schiffermüller) (Lepidoptera, Tortricidae) and its relation to territorial differences and cultivar susceptibility

Haralabos Tsolakis, Ernesto Ragusa, Elisabetta Gennuso

Research output: Contribution to conferenceOther

Abstract

A three year study (2008-2010) was carried out in two organically managed vineyards inwestern Sicily to verify both the influence of different cultivars and microclimatic conditions on grapemoth infestation and on mould infections of grapes. Observations were done on two autochthonouscultivars (Inzolia and Catarratto) and four international ones (Chardonnay, Cabernet Sauvignon, Syrahand Merlot). Results showed a different degree of infested grapes among the different cultivars in bothfarms but also a different level of infestation between the two farms for the same cultivar. Chardonnaywas the most infested cultivar by the grape moth larvae, while Merlot was the less infested one.Botrytis cinerea was almost absent on the majority of the cultivars, while the sour bunch rot wasalways present. This disease was sometimes present on all infested grapes. On the other hand,Aspergillus was present at very low levels on the majority of the cultivars.
Original languageEnglish
Pages203-210
Number of pages8
Publication statusPublished - 2013

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