"TITLE","AUTHORS","SUBJECT","SUBJECT_RELATED","DESCRIPTION","PUBLISHER","AVAILABILITY","RESEARCH_ORG","SPONSORING_ORG","PUBLICATION_COUNTRY","PUBLICATION_DATE","CONTRIBUTING_ORGS","LANGUAGE","RESOURCE_TYPE","TYPE_QUALIFIER","JOURNAL_ISSUE","JOURNAL_VOLUME","RELATION","COVERAGE","FORMAT","IDENTIFIER","REPORT_NUMBER","DOE_CONTRACT_NUMBER","OTHER_IDENTIFIER","DOI","RIGHTS","ENTRY_DATE","OSTI_IDENTIFIER","PURL_URL" "Some effects of gamma radiation in Callosobruchus maculatus (Fabr., 1792) (Coleoptera, Bruchidae); Alguns efeitos da radiacao gama em Callosobruchus maculatus (Fabr., 1792) (Coleoptera, Bruchidae)","Walder, J M.M.","60 APPLIED LIFE SCIENCES; INSECTS; GAMMA RADIATION; LETHAL RADIATION DOSE; BEAMS; COBALT 60; 553003; PEST AND DISEASE CONTROL","","The effect of gamma irradiation from a Cobalt-60 source on Callosobruchus maculatus (Fabr.) was studied in this work. Experiments showed that at a dose-rate of 9820 {+-} 300 rad/hour the LD sub(100) of egg embryos was 2,2 krad, of larvae 3 krad and of pupae 22,8 krad. Total sterilization of adults irradiated of the pupal stage was 5 krad. The sterilizing dose of irradiated adults was 8 krad at a calculated dose-rate of 57.630 {+-} 5000 rad/hour, whereas the LD sub(100) was 330 krad at a dose-rate of 63650 {+-} 1500 rad/hour. It was further verified that the number of eggs laid decreased with the irradiation dose. Longevity tended by increase in the females and diminish in the males as a result of irradiation. (author).","","OSTI; NTIS (US Sales Only); INIS","Sao Paulo Univ., Piracicaba, SP (Brazil). Escola Superior de Agricultura Luiz de Queiroz","","Brazil","1975-12-31","","Portuguese","Thesis/Dissertation","Miscellaneous","","","Other Information: TH: Tese (M.Sc.).Thesis; PBD: 1974","","Medium: X; Size: 74 p.","ON: DE92613552","INIS-BR-2848","","Other: ON: DE92613552; TRN: BR9228244011186","https://doi.org/","","2008-02-12","10111158",""