Effects of sublethal dosage of chlorantraniliprole on function of parasitism and detoxifying enzymes activity in Trichogramma chilonis Ishii
In order to clarify the effects of sublethal dosage of chlorantraniliprole on function of parasitism and detoxifying enzyme activity in Trichogramma chilonis,the growth development and parasitism of T.chilonis treated with sublethal dosage of chlorantraniliprole were observed and the detoxifying enzymes activity were determined by using ELISA method in the laboratory.The results showed that the emergence rate of offspring decreased from 91.59%to 84.49%and the developmental duration was shortened from 11.19 to 9.92 days.The number of parasitized eggs and parasitism rate decreased to vary degrees,with the parasitism rates were ranging from 26.67%to 38.00%.The activity of P450 and GST in treated T.chilonis were significantly higher than control,with an increase of 19.23%and 33.75%,respectively.Chlorantraniliprole had an inducing effect on P450 and GST,which may be involved in the metabolic detoxification of chlorantraniliprole in T.chilonis.
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