Hostname: page-component-8448b6f56d-tj2md Total loading time: 0 Render date: 2024-04-24T23:48:25.986Z Has data issue: false hasContentIssue false
  • English
  • Français

Effect of combination treatments of gamma radiation and methyl bromide fumigation on the confused flour beetles, Tribolium confusum Duv.

Published online by Cambridge University Press:  19 September 2011

Kamelia Aly Abdel-Salam  and
Joseph Mitry Nakhlah
Kamelia Aly Abdel-Salam
Affiliation:
Atomic Energy Authority, Nuclear Research Center, Abo-Zaabal, Egypt
Joseph Mitry Nakhlah
Affiliation:
Plant Protection Research Institute, Ministry of Agriculture, Dokki, Egypt
Get access

Abstract

A laboratory study was carried out in Egypt to determine the effect of combining treatments of gamma radiation and methyl bromide fumigation applied to adults of Tribolium confusum (Duv.). An interaction between irradiation and insecticidal treatment was obvious, with additive effects noted at most combination treatments. When the irradiation treatments were applied first and fumigation were accomplished within 24 hr., the intermediate dosage of irradiation (6 krad) afforded the insects some protection against marginally effective dosages of methyl bromide after 14 days. On the contrary, it is evident that a possible synergistic effect of irradiation pretreatment followed by chemical exposure, after 21 days, where all of irradiation dosages used (2-10 krad) enhanced the fumigant effectiveness. On the other hand, when the irradiation dosages were increased from 5-50 krad and followed by fumigant treatments after 7 days, the trend did continue where all combination treatments killed more insects than did either treatment applied alone. Conversely, when fumigation preceded treatment with irradiation the sublethal methyl bromide fumigation also apparently leaves the surviving insects in a debilitated state and became more radiosensitive.

In general, the effects from combination of irradiation and fumigation were more effective than were the effects of either treatment given singly, whether irradiation preceded insecticidal treatment or vice versa.

Résumé

Etudes de laboratoire ont été réalisé en vue de la determination de l'effet combiné de la radiation de gamma et la fumigation de bromide de methyle sur les adultes de T. confusum (Duv). Une interaction entre la radiation et le traitement d'insecticide a e'té remarque, l'effet éditif a été aussi observé pour la majorité des traitements combinés. Si la radiation est effectué d'abord; et la fumigation 24 hrs plus tard, les doses trés réduits de la radiation (2-6 krad) protége les insectes contre l'effet marginale de bromide de methyle aprés 14 jours. D'antre part, si le dosage de la radiation augment de 5 ä 50 krad, suivi par le traitement de fumigant 7 jours aprés, on observe que les traitements combines tuent plus d'insectes que l'application de chaque traitement seul. Par contre, si la fumigation precede l'irradiation, le fumigant rend les insectes survivants plus sensible pour l'effet de la radiation.

Keywords

Gamma radiationfumigationmethyl bromideTribolium confusumcontrolstored product insects
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 8 , Issue 1 , February 1987 , pp. 103 - 106
Copyright
Copyright © ICIPE 1987

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Bhatia, P. and Sethi, G. R. (1980) Combined effects of gamma radiation and insecticidal treatment (direct spray) on the adults of susceptible strains of Tribolium castaneum (Herbst). Indian J. Ent. 42(1), 82–89.Google Scholar
Cogburn, R. R., Brower, J. H. and Tilton, E. W. (1971) Combination of gamma and infra-red radiation for control of angoumois grain moth in wheat. J. Econ. Ent. 64, 923–925.CrossRefGoogle Scholar
Cogburn, R. R., Gillenwater, H. B. (1972) Interaction of gamma radiation and fumigation on confused flour beetles, Tribolium confusum Duv. J. Econ. Ent. 65, 245–248.Google Scholar
Cogburn, R. R. and Spiers, R. D. (1972) Toxicity of malathion to gamma irradiation and non-irradiated adult red flour beetles. J. Econ. Ent. 65, 185–191.Google Scholar
Georghiou, G. P. (1965) Effects of carbamates on housefly fecundity, longevity and food intake. J. Econ. Ent. 58, 58–62.Google Scholar
Kinkade, M. L. and Erdman, H. E. (1973) Confused flour beetles x-ray and or malathion modification of population fitness. J. Econ. Ent. 66, 972–976.Google Scholar
Moffit, H. R. and White, L. D. (1972) Susceptibility of gamma irradiated and un-irradiated codling moth to azinophosmethyl, carbaryl and DDT. J. Econ. Ent. 65, 1908–1910.Google Scholar
Rush, R. and Ware, G. W. (1969) Toxicity of DDT, carbaryl and azinphosmethyl to gamma irradiated pink bollworm moths. J. Econ. Ent. 62, 1124–1125.Google Scholar
Saxena, J. D. and Bhatia, S. K. (1981) Radiosensitivity of a phosphine-resistant strain of Tribolium castaneum (Herbst) and interaction of gamma radiation and fumigation on susceptible strain. J. Nucl. Agric. Biol. 10 (1), 13–14.Google Scholar
Tilton, E. W., Brower, J. H., Brown, G. A. and Kirkpartrick, R. L. (1972) Combination of gamma and micro wave radiation for control of the angoumois grain moth in wheat. J. Econ. Ent. 65, 531–533.Google Scholar
Vashkov, V. I. and Poleshchuck, V. D. (1966) The effect of x-radiation of the insect sensitivity to insecticides. J. Microbiol. Epidemiol. Immunobiol. 43, 9–11.Google Scholar
Whitacare, G. K. and Ware, G. W. (1970) Effects of gamma and x-irradiation on the toxicity of malathion to houseflies. J. Econ. Ent. 63, 424–426.CrossRefGoogle Scholar