Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.)
A., E., I., A., S., E., A., H., R., F., K., B. (2012). Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.). EKB Journal Management System, 3(1), 27-35. doi: 10.21608/eajbsd.2012.14143
El-Banna A. A.; Abd El-Kareem S. M. I.; El-Akad, A. S.; Hussein M. A.; Fahmy A. R.; Bekheit H. K.. "Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.)". EKB Journal Management System, 3, 1, 2012, 27-35. doi: 10.21608/eajbsd.2012.14143
A., E., I., A., S., E., A., H., R., F., K., B. (2012). 'Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.)', EKB Journal Management System, 3(1), pp. 27-35. doi: 10.21608/eajbsd.2012.14143
A., E., I., A., S., E., A., H., R., F., K., B. Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.). EKB Journal Management System, 2012; 3(1): 27-35. doi: 10.21608/eajbsd.2012.14143

Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.)

Egyptian Academic Journal of Biological Sciences, D. Histology & Histochemistry
Article 3, Volume 3, Issue 1, December 2012, Page 27-35  XML PDF (2.04 MB)
Document Type: Original Article
DOI: 10.21608/eajbsd.2012.14143
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Authors
El-Banna A. A.1; Abd El-Kareem S. M. I.2; El-Akad, A. S.3; Hussein M. A.3; Fahmy A. R.3; Bekheit H. K.2
1Dept. of Entomology, Faculty of Science, Ain Shams University, Cairo
2Plant Protection Research Institute, Dokki, Giza.
3Dept. of Entomology, Faculty of Science, Ain Shams University, Cairo.
Abstract
Histopathological studies were conducted on the larvae of the cotton leafworm, Spodoptera littoralis (Boisd.) using the commercial product Profect® (a mixture of Bacillus thuringiensis var. kurstaki and S. littoralis NPV). Treatment of the 4th instar larvae with the bioinsecticide revealed many ultrastructural alterations in the midgut of the 6th instar larva. This mixture formula proved to be effective against the midgut epithelial cells and induced the marker of cell death. Accordingly, utilization of this biocontrol agent for controlling the cotton leafworm provides a promising alternative to conventional insecticides.
Keywords
bioinsecticides; Cotton leafworm; Ultrastructure; histopathology
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