EFFECT OF AZADIRACHTIN ON PROTEIN DIGESTION IN THE DESERT LOCUST, SHISTOCERCA GREGA RIA | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 5, Volume 27, Issue 7, July 2002, Page 4983-4988 PDF (710.88 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2002.253925 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| H. A. Eishabrawy; G. Eisayed | ||||
| Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University, Giza, Egypt. | ||||
| Abstract | ||||
| The allelochemical azadirachtin given to the nymphs of S. gregaria inhibits growth without reducing food intake.The growth reducing effect of azadirachtin is independent of antifeedant effect. A decrease in the efficiency of utilization ,of dietary nitrogen was associated with a drastic reduction In the activity of midgut trypsin. It is suggested that this is the cause of the increased costs associated with the reduced rate of growth. This plant defense strategy and that of direct inhibition of herbivore proteinases by allelochemical proteinase inhibitors is discussed. | ||||
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