After very short time since its introduction, the Asian brown marmorated stink bug (BMSB) Halyomorpha halys has caused considerable damage to crops, with crop losses up to 80% among the orchards of the province of Modena in the summer of 2015. Given the high harmfulness and polyphagy, the concern is strong throughout the regional agriculture. This plan is characterized by a holistic approach that considers the applicative aspects of the biological cycle and agroecology of this invasive alien pest to provide to farmers and technicians effective and reliable tools for field monitoring and to develop sustainable and innovative management strategies, limiting to a minimum the use of chemical products. In particular, the investigation on the life cycle will provide a support service for drawing up the integrated production bulletins and, together with the field survey, they will be used to validate and transfer in the regional forecasting system a phenological model system developed by American researchers with whom e collaboration is ongoing. As for the field monitoring, the comparison between different types of traps and aggregation pheromones baits, will allow to identify the optimal and most effective combination for the definition of the economic damage /action thresholds. Thanks to the agro-ecological investigations on spatiotemporal dynamics and ecological preferences (both in terms of plant species and of overwintering sites) information on the role of hedges and borders will be obtained. These are functional for the application in the field of strategies involving a reduction of the treated areas (eg. IPM-CPR, with treatments only on the edge of the orchard), and will be useful in the medium and long term for targeted management of the various components of the agricultural landscape, functional to the reduction of attacks by this pest. Thanks to the activities related to the definition of control strategies, that include laboratory tests, semi-field and field trials, that will take into account the biological and agro-ecological surveys, effective solutions will be detected, that are compatible with the Integrated Production Guidelines, thus providing farmers innovative and alternative technical tools (eg. IPM-CPR, combined use of anti-hail / anti-insect nets) to protect crops from this emerging pest, trying to limit as far as possible the negative effects witnessed in other countries (eg. USA). The potential of native predators naturally present in the regional agro-ecosystems will also be elucidated, to verify to what extent they can play a role as natural enemies of BMSB. Finally, the activities aimed at verifying the effects on the wine sector will provide a support tool, with indications of damage/action thresholds, in order to prevent cases of commercial damage and /or image for the possible interference of BMSB on the production of grape and on wine quality.
|Titolo:||Tecniche di monitoraggio e strategie innovative per il controllo della Cimice asiatica (Halyomorpha halys)|
|Autore/i:||Lara, Maistrello; Grazia, Tommasini|
|Data di pubblicazione:||2016|
|Tipologia||Partecipazione a progetti di ricerca|
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