Salama., Z., Ebied., A., Ahmad., H., El sheikh., T. (2007). BIOCHEMICAL STUDIES OF Bacillus thuringiensis AND Spinosad ON THE CARBOHYDRATES HYDROLYZING ENZYMES AND PHOSPHATASE ENZYMES OF COTTON LEAF WORM, Spodoptera littoralis WITH SPECIAL COMPARISON OF PYRETHROID COMPOUND. test, 32(7), 5679-5686. doi: 10.21608/jppp.2007.219705
Z. A. Salama.; A. A. Ebied.; H. A. Ahmad.; T. A. El sheikh.. "BIOCHEMICAL STUDIES OF Bacillus thuringiensis AND Spinosad ON THE CARBOHYDRATES HYDROLYZING ENZYMES AND PHOSPHATASE ENZYMES OF COTTON LEAF WORM, Spodoptera littoralis WITH SPECIAL COMPARISON OF PYRETHROID COMPOUND". test, 32, 7, 2007, 5679-5686. doi: 10.21608/jppp.2007.219705
Salama., Z., Ebied., A., Ahmad., H., El sheikh., T. (2007). 'BIOCHEMICAL STUDIES OF Bacillus thuringiensis AND Spinosad ON THE CARBOHYDRATES HYDROLYZING ENZYMES AND PHOSPHATASE ENZYMES OF COTTON LEAF WORM, Spodoptera littoralis WITH SPECIAL COMPARISON OF PYRETHROID COMPOUND', test, 32(7), pp. 5679-5686. doi: 10.21608/jppp.2007.219705
Salama., Z., Ebied., A., Ahmad., H., El sheikh., T. BIOCHEMICAL STUDIES OF Bacillus thuringiensis AND Spinosad ON THE CARBOHYDRATES HYDROLYZING ENZYMES AND PHOSPHATASE ENZYMES OF COTTON LEAF WORM, Spodoptera littoralis WITH SPECIAL COMPARISON OF PYRETHROID COMPOUND. test, 2007; 32(7): 5679-5686. doi: 10.21608/jppp.2007.219705

BIOCHEMICAL STUDIES OF Bacillus thuringiensis AND Spinosad ON THE CARBOHYDRATES HYDROLYZING ENZYMES AND PHOSPHATASE ENZYMES OF COTTON LEAF WORM, Spodoptera littoralis WITH SPECIAL COMPARISON OF PYRETHROID COMPOUND

Journal of Plant Protection and Pathology
Article 6, Volume 32, Issue 7, July 2007, Pages 5679-5686    PDF (442.8 K)
Document Type: Original Article
DOI: 10.21608/jppp.2007.219705
Authors
Z. A. Salama.; A. A. Ebied.; H. A. Ahmad.; T. A. El sheikh.
Faculty of Science Mansoura University
Abstract
This investigation Show the effect of the three tested compounds on the activity of Haemolymph acid and alkaline phosphatase of 5th instar larvae of S. littoralis treated as 4th instar larvae with the LC50 levels of Spinosad, B. thuringiensis and Cypermethrin. The results indicated that the acid phosphatase activity was insignificantly increased by about 2.55% more than the control in case of treatment with B. thuringiensis. On the other hand, Spinosad and Cypermethrin insignificantly decreased the activity of acid phosphatase.The application of the three tested materials to the 4th instar larvae of s. littoralis had changed the carbohydrate hydrolyzing enzymes as indicated that there was a large significant increase in amylase activity   of 5th instar larvae of S. littoralis in case of Spinosad treatment; and treatment with Cypermethrin significantly decreased the amylase activity, whereas treatment with B. thuringiensis significantly decreased in compared to control. Invertase activity was significantly decreased in case of all tested compound treatments compared to control. Trehalase activity was significantly decreased, compared to control for Spinosad treatments. Whereas, Cypermethrin and B. thuringiensis treatment insignificantly decreased trehalase activity compared to control.
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