Effect of Sulfur Dioxide as a Part of Volatile Organic Compounds (VOCs) of Lecanicillium fungi on Western Flower Thrips and Green Peach Aphid

Previously, using an MS7-200 quadrupole mass spectrometer developed by the Institute for Analytical Instrumentation, sulfur dioxide was detected in volatile organic compounds (VOCs) released into the air by entomopathogenic fungi (EPF) of the genus Lecanicillium . In this work, we assessed the effec...

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Bibliographic Details
Published in:Russian agricultural sciences 2023, Vol.49 (Suppl 1), p.S113-S117
Main Authors: Mitina, G. V., Stepanycheva, E. A., Titov, Yu. A., Choglokova, A. A., Cherepanova, M. A., Kuzmin, A. G.
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Entomopathogenic fungi
Experimental Articles
Fecundity
Females
Fertility
Flowers
Frankliniella occidentalis
Fungi
Instrumentation
Lecanicillium
Life Sciences
Mortality
Myzus persicae
Organic compounds
Plant Biochemistry
Quadrupoles
Sulfur
Sulfur dioxide
VOCs
Volatile organic compounds
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Summary:Previously, using an MS7-200 quadrupole mass spectrometer developed by the Institute for Analytical Instrumentation, sulfur dioxide was detected in volatile organic compounds (VOCs) released into the air by entomopathogenic fungi (EPF) of the genus Lecanicillium . In this work, we assessed the effect of this compound on such dangerous phytophages as the western flower thrips Frankliniella occidentalis and the green peach aphid Myzus persicae at low doses corresponding to the sulfur dioxide content of VOCs above the growing fungal mycelium. It was found that sulfur dioxide did not have a negative effect on females of the F. occidentalis thrips and their fertility when sulfur dioxide was introduced into vials at a concentration of 9 and 17 ppm and kept for 2 h. At a dose of 33 ppm, sulfur dioxide caused a 10% mortality of female thrips after 2 h and 15.4% mortality after 1 day, while a decrease in female fertility by 36% was observed. Sulfur dioxide at concentrations of 17–33 ppm was nontoxic to females of green peach aphids after 2 h. Aphid mortality of 26% was observed after 2 days at sulfur dioxide concentrations of 33 ppm, with a 22% reduction in fecundity. At a dose of 23 ppm, sulfur dioxide reduced aphid fertility most significantly, by 30%. The data obtained indicate the influence of sulfur dioxide contained in fungal VOCs on the behavioral reactions of phytophages.
ISSN:1068-3674
1934-8037
DOI:10.3103/S1068367423070145