Dose letal de radiação gama para ovos de Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae), traça do arroz

ABSTRACT

The aim of this experiment was to observe the effects of gamma radiation on rice moth Corcyra cephalonica (STAINTON, 1865) eggs. The doses utilized in this experiment were 0; 25; 50; 75; 100; 125; 150; 175; 200 Gy. The experiment was carried out in a climatic room at 25 ± 2°C and 70 ± 10% R.H. It was observed that lethal dose LD50 and LD100 for eggs from adults reared by artificial diet were 16 and 75 Gy, respectively.

RESUMO

O. experimento teve como objetivo observar os efeitos da radiação gama em ovos da traça do arroz, Corcyra cephalonica (STAINTON, 1865). As doses utilizadas no experimento foram; 0; 25; 50; 75; 100; 125; 150; 175; 200 Gy. O experimento foi conduzido em sala climatizada a 25 ± 2°C e 70 ± 10% de umidade relativa. Observou-se que as doses letais DL50 e DL100 para ovos provenientes de adultos criados em dieta artificial foram respectivamente de 16 e 75 Gy.