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IDIDAS : References: Use of gamma irradiation and inert gases in the sterilization of Ceratitis capitata (Wiedemann, 1824) (Diptera-Tephritidae) with the objective of using the sterile insect technique

Title

 Use of gamma irradiation and inert gases in the sterilization of Ceratitis capitata (Wiedemann, 1824) (Diptera-Tephritidae) with the objective of using the sterile insect technique

Year

1983

Source

M.Sc. Report, Nov 1983, 63 p, Tese (M.Sc.). Brazil

Abstract

The sterilization of Ceratitis capitata (Wied., 1824) (Dip. Tephritidae) using gamma irradiation (γ) was studied under laboratory conditions at Center for Nuclear Energy in Agriculture (CENA), Piracicaba, Sao Paulo, Brazil. Living conditions for Med fly are optimum in this country and its biological cycle is completed in less than 30 days. There is a large number of varying host fruits for larvae development, which makes this pest very harmful, especially to citrus crops. The sterile insect technique (SIT) is a type of physical control of pests, which does not cause any harm to other insects. Pupae with different ages were initially submitted to 0, 30, 40, 50, 60, 70, 80 and 90 Gy doses. Sterility was determined from fertility of eggs resulting from crosses of irradiated male x normal female and normal male x irradiated female. Later, pupae with 72 + - 12 hrs before emergence were submitted to 70 and 90 Gy doses with carbon dioxide, nitrogen and oxygen fluxes. The sterilizing dose for the males was 90 Gy. Activity, of irradiated with and without gas lux and normal male, was evaluated with an activity-meter, and the dose least harmful to their behaviour was found to be 90 Gy with nitrogen flux. (Author). Orig. Title: Uso da radiacao gama e gases inertes na esterilizacao de Ceratitis capitata (Wiedemann, 1824) (Diptera-Tephritidae) com vistas a aplicacao da tecnica do inseto esteril.

Authors

Almeida, M.S.-P. de

Keywords

CERATITIS CAPITATA, COBALT 60, FRACTIONATED IRRADIATION, INERT ATMOSPHERE, INTERNAL CONVERSION RADIOISOTO, NITROGEN, STERILE MALE TECHNIQUE, SYNERGISM, RADIOISOTOPES

Attachments

Content Type: Item
Created at 20/08/2013 20:13 by Abdeljelil Bakri
Last modified at 20/08/2013 20:13 by Abdeljelil Bakri