Effect of Beauveria bassiana on Galleria mellonella L. (Lepidoptera: Pyralidae) and Its Parasitoid Trichogramma cacoeciae
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Tarih
2020
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Beauveria bassiana, which is used for this experiment in order to determine the effects on Galleria mellonella and its parasitoidTrichogramma cacoeciae, is a naturally occurring pathogens and have been used to control insect pest. The conidia of the fungi germinateon the surface of the insect host, penetrate through the cuticle, spread in the hemolymph, and then resulting in the death of the host.105, 106, 107 and 108 conidia/mL were applied to the last instar of G. mellonella by injecting the suspensions. Mortality of G. mellonellalarvae, effects of B. bassiana on emergency of G. mellonella eggs and parasitization were investigated. To determine the effect of B.bassiana on T. cacoeciae, 108 conidia/mL were applied to the G. mellonella eggs. No mortality was observed in 105 and 106 conidia/mL ofB. bassiana injected group, whereas death larvae was determined in 107 and 108 conidia/mL injected groups. Prevalence of black spotswithin the integument increased day by day. Hatchability of G. mellonella eggs were significantly decreased when B. bassiana appliedto the G. mellonella eggs. No statistical difference was observed in the parasitizing and hatching rates of Galleria mellonella eggs byTrichogramma cacoeciae adult females.The biosafety of B. bassiana against T. cacoeciae was determined by monitoring the parasitization and emergence ratio. It was detectedB. bassiana was safe to this egg parasitoid. However, there is a significant effect on mortality of G. mellonella larvae and hatchability ofG. mellonella eggs.
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Karaelmas Fen ve Mühendislik Dergisi
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Cilt
10
Sayı
2
