Volatiles Produced by Yeasts Related to Prunus avium and P. cerasus Fruits and Their Potentials to Modulate the Behaviour of the Pest Rhagoletis cerasi Fruit Flies

Yeast produced semiochemicals are increasingly used in pest management programs, however, little is known on which yeasts populate cherry fruits and no information is available on the volatiles that modify the behaviour of cherry pests including flies. Eighty-two compounds were extracted from the he...

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Bibliographic Details
Published in:Journal of fungi (Basel) 2022-01, Vol.8 (2), p.95
Main Authors: Mozūraitis, Raimondas, Apšegaitė, Violeta, Radžiutė, Sandra, Aleknavičius, Dominykas, Būdienė, Jurga, Stanevičienė, Ramunė, Blažytė-Čereškienė, Laima, Servienė, Elena, Būda, Vincas
Format: Article
Language:English
Subjects:
Acetic acid
Alcohols
attractant
Berries
Butanol
Chromatography
Diptera
Electroantennograms
Esters
Fruits
Habitats
Humidity
Insects
Isopentyl alcohol
Microorganisms
Multidimensional scaling
Pest control
Pests
Propionic acid
Rhagoletis cerasi
Semiochemicals
Taxonomy
Tephritidae
VOCs
Volatile organic compounds
Volatiles
yeasts
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Summary:Yeast produced semiochemicals are increasingly used in pest management programs, however, little is known on which yeasts populate cherry fruits and no information is available on the volatiles that modify the behaviour of cherry pests including flies. Eighty-two compounds were extracted from the headspaces of eleven yeast species associated with sweet and sour cherry fruits by solid phase micro extraction. Esters and alcohols were the most abundant volatiles released by yeasts. The multidimensional scaling analysis revealed that the odour blends emitted by yeasts were species-specific. and yeasts released the most similar volatile blends while and yeasts produced the most different blends. Combined gas chromatographic and electroantennographic detection methods showed that 3-methybutyl acetate, 3-methylbutyl propionate, 2-methyl-1-butanol, and 3-methyl-1-butanol elicited antennal responses of both fruit fly sexes. The two-choice olfactometric tests revealed that flies preferred 3-methylbutyl propionate and 3-methyl-1-butanol but avoided 3-methybutyl acetate. Yeast-produced behaviourally active compounds indicated a potential for use in pest monitoring and control of fruit flies, an economically important pest of cherry fruits.
ISSN:2309-608X
2309-608X
DOI:10.3390/jof8020095