الفهرس 
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Abstract
-~r:J.lc prctJc·rlt fjt·L~(i? v1nn cnrri.(-:d out l’oJ.’ !;JJ f.’o1JovJi.Yl,L~
uljnctlvoo; to obtain u proper artificial diet and adequate
tGchnique i.’or laboratory mass rearing the c:otton leafworm,
to otct; loy such diet in a cont inuouo rearing uuing the proposo(
l technique for mass cul turero and to determine the
grov;th responses of the cotton leafworm after being reared
cont.inualJy on this artificial diet for severnl generations
arouml the year. In tho same tim1., to study thG effect of
sex ratio, adult age, intermingle period of both sexes and
the larval density on some biological aspects of this pest.
The following results were obtained.