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Your Position :Home->Past Journals Catalog->2012年49 No.6

The suitability of Chilo suppressalis reared on artificial diet,seedings of transgenic Bt rice and nontransgenic rice
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Key Words:Chilo suppressalis,artificial feed,transgenic bt rice,nontrsansgenic rice,life-history indexes
Abstract:      The effect of rearing of the 1st to 5th instar larvae of the rice stem borer,Chilo suppressalis (Walker),onartificial diet,seedlings of transgenic Bt rice with pure cry1Ab ( cv. KMD),and the parentlinenontransgenic rice ( cv.XSD11),were assessed and compared. The results showed that the nymphs at lower instar stages had high mortality.Moreover,transgenic Bt rice was highly resistant to all instar larvae,especially the younger instar individuals. Moreover,there were no significant differences in the duration of the pupal or adult stages,fecundity and molting rates of larvaereared on XSD11 and the artificial feed. Furthermore,the pupal weight as larvae fed on the artificial diet was significantlyhigher than that as fed on nontransgenic rice,and larvae fed the artificial diet displayed a positive relationship betweenpupal weight and rearing time. Compared to nontransgenic rice,artificial feeds were more beneficial and advantageous forthe differentiation of C. suppressalis females.
 
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