.

Problems

 

Technical aspects
The project clearly proved the importance of closing the nets in time, i.e. the latest with onset of fruit colour change. Moreover, the project also showed, that using only lateral netting is critical for successful management of D. suzukii.
With regard to the technical implementation, particular problems were revealed and improvements were undertaken: how to achieve a tight ground connection of the lateral nets; to use sandbags instead of rough stones as weights for the ground fixation in order to avoid damages to the net due to friction; how to safely close and connect net parts; how to avoid chafe marks using buffers, how to improve the entrance areas so that quick opening and closing of the net is possible.

 

For more details refer to:
Augel, C.; Boehnke, B.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Saltzmann, J.; Eberhardt, G.; Vogt, H.; Köppler, K. (2020): Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017 – 2019. In: Foerdergemeinschaft Oekologischer Obstbau e.V. (FOEKO) (Hrsg.): Proceedings of the 19th International Conference on Organic Fruit-Growing: from February 17th to February 19th, 2020 at the University of Hohenheim/Germany, 166-169.

https://www.ecofruit.net/wp-content/uploads/2020/04/31_Augel_166-169.pdf

Boehnke, B.; Köppler, K.; Augel, C.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Vogt, H. (2018). Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017. In: Foerdergemeinschaft Oekologischer Obstbau e.V. - FOEKO [Hrsg.]: EcoFruit: 18th International Conference on Organic Fruit-Growing; Proceedings to the Conference, 19.02. - 21.02.2018 at Hohenheim/Germany, 268-271.

https://www.ecofruit.net/2018/54_Boehnke_268-271.pdf

Boehnke, B.; Köppler, K.; Augel, C.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Vogt, H. (2019): Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017. In: Linder, C.; Fountain, M.; Prodorutti, D. (Hrsg.): Working Group "Integrated Protection of Fruit Crops", Subgroup "Soft Fruits": Proceedings of the 9th Workshop on Integrated Soft Fruit Production at à Riga (Latvia), 5-7 September 2018 (IOBC WPRS Bulletin 144), Darmstadt, 78-84

and

Annual Reports (in German)

Ergebnisbericht 2017 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Ergebnisbericht 2018 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Ergebnisbericht 2019 Demonstrationsvorhaben "Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Ergebnisbericht 2020 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

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