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EL-SABAGH, M., ABDEL AZIZ, M., EL-BANNA, H., ABDEL-RASHEED, K. (2017). EFFICACY OF SOME BIOLOGICAL AND CHEMICAL INSECTICIDES ON THE COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.). Egyptian Journal of Agricultural Research, 95(4), 1531-1542. doi: 10.21608/ejar.2017.151532
MARWA M. EL-SABAGH; MOHAMED F. ABDEL AZIZ; HEBA M. EL-BANNA; KHALED G. ABDEL-RASHEED. "EFFICACY OF SOME BIOLOGICAL AND CHEMICAL INSECTICIDES ON THE COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.)". Egyptian Journal of Agricultural Research, 95, 4, 2017, 1531-1542. doi: 10.21608/ejar.2017.151532
EL-SABAGH, M., ABDEL AZIZ, M., EL-BANNA, H., ABDEL-RASHEED, K. (2017). 'EFFICACY OF SOME BIOLOGICAL AND CHEMICAL INSECTICIDES ON THE COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.)', Egyptian Journal of Agricultural Research, 95(4), pp. 1531-1542. doi: 10.21608/ejar.2017.151532
EL-SABAGH, M., ABDEL AZIZ, M., EL-BANNA, H., ABDEL-RASHEED, K. EFFICACY OF SOME BIOLOGICAL AND CHEMICAL INSECTICIDES ON THE COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.). Egyptian Journal of Agricultural Research, 2017; 95(4): 1531-1542. doi: 10.21608/ejar.2017.151532

EFFICACY OF SOME BIOLOGICAL AND CHEMICAL INSECTICIDES ON THE COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.)

Article 3, Volume 95, Issue 4, December 2017, Page 1531-1542  XML PDF (931.72 K)
Document Type: Original Article
DOI: 10.21608/ejar.2017.151532
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Authors
MARWA M. EL-SABAGH1; MOHAMED F. ABDEL AZIZ1; HEBA M. EL-BANNA1; KHALED G. ABDEL-RASHEED2
1Plant Protection Research Institute, ARC, Dokki, Giza, Egypt
2Central Laboratory of Organic Agriculture (CLOA), , Agricultural Research Center, Giza, Egypt.
Abstract
he present study aimed to evaluate the effect of Emamectin benzoate and Bacillus thuringiensis as bioinsecticides as well as the organophosphorus compound, chlorpyrifos on the 2nd and 4th instar larvae of S. littoralis under laboratory conditions. The results showed a decrease in both larval and pupal duration after larvae treatment. Results also showed a decrease in the pupation and the adult emergence percentage compared to the control. Moreover, adult longevity of male and female moths was affected. In addition, mean number of eggs laid and hatched /female as a result of treatment was reduced. Results showed also that the treatment with tested compounds presented and biochemical components impact on the activity of certain enzymes, e.g. total carbohydrates, total proteins, digestive enzymes, Acetylcholinesterase (AChE) and Glutathione S-transferase (GST).
Keywords
Cotton leaf worm; Spodoptera littoralis; Bacillus thuringiensis var. kurstaki; Emamectin benzoate; organophosphorus; chlorpyrifos and activity of certain enzymes
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