Interaction of Gamma Radiation and Fumigation on Confused Flour Beetles13

Cogburn, Robert R.; Gillenwater, Hagen B.

doi:10.1093/jee/65.1.245

Cited by 6 publications

(5 citation statements)

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“…This finding is paralleled by that obtained by Vashkov and Poleshchuck (1966) on Musca Domestica; Rush and Ware (1969) on Pectinophora gossypiella; and, Cogburn and Gillenwater (1972) on Tribolium confusum. Combination of methyl bromide fumigation and irradiation dosages within the projected commercial range (20-50 krad) were generally more effective than either treatment applied alone whether irradiation preceded or followed insecticidal treatment.…”

Section: Resultssupporting

confidence: 80%

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

Abdel-Salam

Nakhlah

1987

Int. J. Trop. Insect Sci.

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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.

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Section: Resultssupporting

confidence: 80%

“…The cost of irradiating commodities is higher than Spiers, 1972;Cogburn and Gillenwater 1972; Moffitt that of treating them by currently used chemical and White, 1972; Kinkade and Erdman, 1973; Bhatia control methods. Means of reducing this cost are and Sethi, 1980 andSaxena andBhatia, 1981) have being investigated.…”

Section: Introductionmentioning

confidence: 99%

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

Abdel-Salam

Nakhlah

1987

Int. J. Trop. Insect Sci.

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“…Similar results was obtained in the study by Cogburn et al (1971) using infra-red and gamma radiation to control S. cerealella. According to Cogburn and Speirs (1972) and Cogburn and Gillenwater (1972), using gamma radiation along with fumigation decreased pest multiplication and progeny production of malathion resistant populations of T. castaneum. When irradiated before malathion treatment there was better control of the susceptible strain of T. castaneum.…”

Section: Irradiationmentioning

confidence: 99%

Effects of developmental stage, cold acclimation and diet on the cold tolerance of three species of Cryptolestes (Coleoptera: Laemophloeidae)

Ganesan

Fields

Jayas

et al. 2021

Journal of Stored Products Research

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“…However, exposure to the fumigants did not change sensitivity to ionizing radiation when it was administered after fumigation 19 . Phosphine was unique as gamma irradiation did not affect subsequent sensitivity to phosphine fumigation 20 , despite the fact that phosphine resistant individuals of R. dominica are more tolerant of ionizing radiation compared to their susceptible counterparts 21 .…”

Section: Introductionmentioning

confidence: 99%

Attenuation of radiation toxicity by the phosphine resistance factor dihydrolipoamide dehydrogenase (DLD)

Alzahrani

Ebert

2019

Sci Rep

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Phosphine gas is an excellent fumigant for disinfesting stored grain of insect pests, but heavy reliance on phosphine has led to resistance in grain pests that threatens its efficacy. Phosphine-resistance was previously reported to be mediated by the enzyme DLD. Here we explore the relationship between phosphine toxicity and genotoxic treatments with the goal of understanding how phosphine works. Specifically, we utilized mutant lines either sensitive or resistant to phosphine, gamma irradiation or UV exposure. The phosphine-resistance mutation in the enzyme of energy metabolism, dihydrolipoamide dehydrogenase exhibited cross-resistance to UV and ionizing radiation. Two radiation-sensitive mutants that are defective in DNA repair as well as a mutant that is defective in the activation of the DAF-16 stress response transcription factor all exhibit sensitivity to phosphine that exceeds the sensitivity of the wild type control. A radiation resistance mutation in cep- 1, the p53 orthologue, that is deficient in double strand break repair of DNA and is also deficient in apoptosis causes radiation-resistance results but sensitivity toward phosphine.

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Interaction of Gamma Radiation and Fumigation on Confused Flour Beetles13

Cited by 6 publications

References 0 publications

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

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

Effects of developmental stage, cold acclimation and diet on the cold tolerance of three species of Cryptolestes (Coleoptera: Laemophloeidae)

Attenuation of radiation toxicity by the phosphine resistance factor dihydrolipoamide dehydrogenase (DLD)

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