Effects of Irradiation Dose on Sterility Induction and Quality Parameters of Drosophila suzukii (Diptera: Drosophilidae)

Drosophilasuzukii(Matsumura, 1931) (Diptera: Drosophilidae) is a widely distributed pest of soft-skinned and stone fruits that is controlled mainly with pesticides. An alternative to the chemical control is the sterile insect technique (SIT), an ecologically friendly method of pest management that c...

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Bibliographic Details
Published in:Journal of economic entomology 2018-04, Vol.111 (2), p.741-746
Main Authors: Krüger, Alexandra Peter, Schlesener, Daniele Cristine Hoffmann, Martins, Liliane Nachtigall, Wollmann, Jutiane, Deprá, Maríndia, Garcia, Flávio Roberto Mello
Format: Article
Language:English
Subjects:
Chemical control
Chemical pest control
Decay
Diptera
Drosophila suzukii
Drosophilidae
Food irradiation
gamma radiation
Gamma rays
HORTICULTURAL ENTOMOLOGY
Insects
Irradiation
Male sterility
Morphometry
Pest control
Pesticides
Pests
quality control
Radiation
Skin
spotted wing Drosophila
sterile insect technique
Sterilized organisms
γ Radiation
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Summary:Drosophilasuzukii(Matsumura, 1931) (Diptera: Drosophilidae) is a widely distributed pest of soft-skinned and stone fruits that is controlled mainly with pesticides. An alternative to the chemical control is the sterile insect technique (SIT), an ecologically friendly method of pest management that could be used against D. suzukii.The objective of the present study was to evaluate the effects of gamma radiation on reproductive sterility, ovarian morphometry, and quality parameters of D. suzukii. Full female sterility was achieved at 75 Gy, while an adequate level of male sterility (99.67%) was obtained at 200 Gy.The ovarian size showed an exponential decay in function of irradiation dose increase.There was no significant influence of irradiation dose on the quality parameters evaluated. Our data suggest that gamma radiation can be recommended to be used in an SIT program for D. suzukii.
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/tox349