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Articles by Mona B.R. El-Mandarawy
Total Records ( 1 ) for Mona B.R. El-Mandarawy
  Mona B.R. El-Mandarawy and Salwa A. Rizk
  Studies on the effect of substerilizing doses of gamma radiation on the stored product insects Callosobruchus maculatus (Fabricius) and Corcyra cephalonica (Stainton) eggs before parasitization by Trichogramma evanescens Westwood and Trichogrammatoidea bacterae Nagaraja were carried out. C. maculatus and C. cephalonica eggs were exposed to the respect calculated LD25 level 92.48 Gray and 1.39 Gray as substerilizing doses. The percent of parasitization and fecundity differed significantly between the two parasitoid species and the two hosts. They were higher in T. evanescens than in T. bacterae. However, the percent of parasitization and fecundity were insignificantly differed between the irradiated host eggs as compared to the non-irradiated ones. Highest emergence rate was recorded from irradiated and non-irradiated C. cephalonica eggs that parasitized with T. evanescens. Radiation had no effect on the developmental period (days) and adult longevity of the two parasitoids reared from the two hosts.
 
 
 
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