Insects (2017) 8 (4 - 129)

Federico Tacoli, Nicola Mori, Alberto Pozzebon, Elena Cargnus, Sarah Da Vià, Pietro Zandigiacomo, Carlo Duso and Francesco Pavan (2017)
Control of Scaphoideus titanus with natural products in organic vineyards
Insects 8 (4 - 129)
Abstract: The leafhopper Scaphoideus titanus is the vector of ' Candidatus Phytoplasma vitis', the causal agent of Flavescence dorée (FD) a key disease for European viticulture. In organic vineyards, the control of S. titanus relies mostly on the use of pyrethrins that have suboptimal efficacy. During 2016, three field trials were conducted to evaluate the efficacy of kaolin, orange oil, insecticidal soap and spinosad against S. titanus nymphs, in comparison with pyrethrins. The activity of kaolin was evaluated also in the laboratory. In all field trials, kaolin had an efficacy against nymphs comparable to pyrethrins, while the other products were not effective. Laboratory results confirmed that kaolin increased nymph mortality. In organic vineyards, kaolin and pyrethrins are valuable tools in the management of FD. Nevertheless, their efficacy is lower compared to that of the synthetic insecticides used in conventional viticulture. Therefore, further research should be conducted in order to identify alternatives to synthetic insecticides for S. titanus control in the context of organic viticulture.
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Database assignments for author(s): Nicola Mori, Carlo Duso, Alberto Pozzebon, Pietro Zandigiacomo, Elena Cargnus, Francesco Pavan

Research topic(s) for pests/diseases/weeds:
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Scaphoideus titanus	Grapevine (Vitis)	Italy