EFFECT OF PRECOCENE II ON CERTAIN BIOPHYSIOLOG-ICAL ASPECTS OF THE ADULT FEMALE SCHISTOCERCA GREGARIA FORSKAL.

Document Type : Original Article

Authors

1 Plant protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt

2 Faculty of Agriculture, Cairo University, Giza, Egypt

10.21608/ejar.1993.459025

Abstract

The aim of the current study was to evaluate the effect of pre­cocene II on some biological and biochemical aspects in the adult stage of S. grearia The three doses 100, 200 and 300 ug/g adult were topi­cally applied during the early and late periods of the adult females. During the first three days of the adult life the dose 100 ug re­sulted in 100% mortality particularly when it was administered during the first day. The second dose 200 ug induced 100% sterile adult fe­males. The application of the three doses during the late period of the adult stage (day 4) induced 46.7, 13.3 and 16.7 percentages of mortal­ity after 48h from treatment , respectively . The metabolites protein , carbohydrates, lipids and cholesterol had decreased in the fat body of the survived adult females.

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