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Article

In Vitro Activity of Several Essential Oils Extracted from Aromatic Plants against Ascosphaera apis

1
Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy
2
Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Patrick Butaye
Vet. Sci. 2021, 8(5), 80; https://doi.org/10.3390/vetsci8050080
Received: 21 March 2021 / Revised: 20 April 2021 / Accepted: 6 May 2021 / Published: 10 May 2021
(This article belongs to the Special Issue Challenges and Advances in Bee Health and Diseases)
The use of natural substances such as essentials oils against bee pathogens is of great interest as an alternative to traditional methods based on synthetic compounds like antibiotics and fungicides, in order to minimize the risk of having toxic residues in hive products and to prevent the development of resistance phenomena. This study evaluated the inhibitory, fungicidal and sporicidal activity of ten essential oils extracted from aromatic plants against Ascosphaera apis, the etiological agent of chalkbrood, an invasive honey bee mycosis. The most effective essential oils were Thymus herba-barona, Thymus capitatus and Cinnamomum zeylanicum, which showed values of minimum fungicidal concentration and minimum sporicidal concentration ranging from 200 to 400 ppm. Carvacrol was the main component of Thymus capitatus and Thymus herba-barona oils, whereas cinnamic aldehyde prevailed in Cinnamomum zeylanicum oil. Further in-apiary studies will allow the evaluation of side effects on bees and residues in hive products. View Full-Text
Keywords: chalkbrood; honey bee diseases; biological control; aromatic plants chalkbrood; honey bee diseases; biological control; aromatic plants
MDPI and ACS Style

Pusceddu, M.; Floris, I.; Mangia, N.P.; Angioni, A.; Satta, A. In Vitro Activity of Several Essential Oils Extracted from Aromatic Plants against Ascosphaera apis. Vet. Sci. 2021, 8, 80. https://doi.org/10.3390/vetsci8050080

AMA Style

Pusceddu M, Floris I, Mangia NP, Angioni A, Satta A. In Vitro Activity of Several Essential Oils Extracted from Aromatic Plants against Ascosphaera apis. Veterinary Sciences. 2021; 8(5):80. https://doi.org/10.3390/vetsci8050080

Chicago/Turabian Style

Pusceddu, Michelina, Ignazio Floris, Nicoletta P. Mangia, Alberto Angioni, and Alberto Satta. 2021. "In Vitro Activity of Several Essential Oils Extracted from Aromatic Plants against Ascosphaera apis" Veterinary Sciences 8, no. 5: 80. https://doi.org/10.3390/vetsci8050080

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