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ABDEL-KERIM, I., AZAZY, A. (2003). THE RELATIONSHIP BETWEEN ANTIJUVENILE HORMONE (PRECOCENES) AND ENTOMOPATHOGENIC, STEINERNEMA CARPOCAPSAE TO NEMATODES INFECTIVITY AND ENERGY METABOLISM SUPPLY OF SPODOPTERA LITTORALIS (BOISD.).. Egyptian Journal of Agricultural Research, 81(2), 573-580. doi: 10.21608/ejar.2003.276572
IBRAHIM A. ABDEL-KERIM; AHMED M. AZAZY. "THE RELATIONSHIP BETWEEN ANTIJUVENILE HORMONE (PRECOCENES) AND ENTOMOPATHOGENIC, STEINERNEMA CARPOCAPSAE TO NEMATODES INFECTIVITY AND ENERGY METABOLISM SUPPLY OF SPODOPTERA LITTORALIS (BOISD.).". Egyptian Journal of Agricultural Research, 81, 2, 2003, 573-580. doi: 10.21608/ejar.2003.276572
ABDEL-KERIM, I., AZAZY, A. (2003). 'THE RELATIONSHIP BETWEEN ANTIJUVENILE HORMONE (PRECOCENES) AND ENTOMOPATHOGENIC, STEINERNEMA CARPOCAPSAE TO NEMATODES INFECTIVITY AND ENERGY METABOLISM SUPPLY OF SPODOPTERA LITTORALIS (BOISD.).', Egyptian Journal of Agricultural Research, 81(2), pp. 573-580. doi: 10.21608/ejar.2003.276572
ABDEL-KERIM, I., AZAZY, A. THE RELATIONSHIP BETWEEN ANTIJUVENILE HORMONE (PRECOCENES) AND ENTOMOPATHOGENIC, STEINERNEMA CARPOCAPSAE TO NEMATODES INFECTIVITY AND ENERGY METABOLISM SUPPLY OF SPODOPTERA LITTORALIS (BOISD.).. Egyptian Journal of Agricultural Research, 2003; 81(2): 573-580. doi: 10.21608/ejar.2003.276572

THE RELATIONSHIP BETWEEN ANTIJUVENILE HORMONE (PRECOCENES) AND ENTOMOPATHOGENIC, STEINERNEMA CARPOCAPSAE TO NEMATODES INFECTIVITY AND ENERGY METABOLISM SUPPLY OF SPODOPTERA LITTORALIS (BOISD.).

Article 12, Volume 81, Issue 2, July 2003, Page 573-580  XML PDF (2.28 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2003.276572
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Authors
IBRAHIM A. ABDEL-KERIM; AHMED M. AZAZY
Plant protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
Laboratory investigation was carried out on e instar larvae of Spodoptera littoralis tissues which treated with precocenes, insect path­ogenic nematode or precocenes-nematodes complex in order to clarify the infectivity of nematodes, mortality of S. littoralis larvae, the survival rate of nematodes infective juveniles (IJ) and energy consumption of the metabolic pathways, established in reserve materials of S. littoralis lar­vae. The obtained results of nematode-precocene combinations exhibit ed that larvae treated with 40 jig and 25 pg (Ph-N) suffered mortality, reaching to 92% and 157.14%, respectively, compared to precocene treatment atone. This may due to enhanced infection by the nematode. This lethal effect was most probably caused by stressing metabolites, then blocking the process of their role in the self-defense, through me­tabolites targeting. A protein depression of about 81.57% was found in the larvae treated with 40 pg (Pl+N) and of about 74.31% in those treated with with 25 pg (Pl+N) compared to control treatment.
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