SYNTHESIS OF SOME ORGANIC COMPOUNDS AND STUDYING THEIR BIOLOGICAL EFFECT ON PINK BOLL WORM

In this application, four synthetic compounds namely: A=3,3-dicyanophenylhydrazone, B=ethyl-3-cyano-1phenyl hydrazone-3-cardoxylate,C=3,5-diamino-4-phenylazo-1h-pyrazole, D=3-amino-5-hydroxy-4phenylazo-1h-pyrazole were tested on neonate larvae of pink-bolCorresponding to the acute toxicity, at LC 50 level the roxicity effect of the four tested chemicals were in descending order as follows:A,C,B and D, compounds. During laral stage, Phenyl pyrazoles caused insignificant prolongation in duration of the larv