Salem, R., Saleh, A., Elgohary, L., Hamada, M. (2024). The Toxicity and Biochemical Activity of Spinosad, Emamectin Benzoate and Dinotefuran on Spodoptera littoralis (Boisd.). Journal of Plant Protection and Pathology, 15(9), 293-297. doi: 10.21608/jppp.2024.317030.1259
Reem R. Salem; A. A. Saleh; L. R. Elgohary; M. S. Hamada. "The Toxicity and Biochemical Activity of Spinosad, Emamectin Benzoate and Dinotefuran on Spodoptera littoralis (Boisd.)". Journal of Plant Protection and Pathology, 15, 9, 2024, 293-297. doi: 10.21608/jppp.2024.317030.1259
Salem, R., Saleh, A., Elgohary, L., Hamada, M. (2024). 'The Toxicity and Biochemical Activity of Spinosad, Emamectin Benzoate and Dinotefuran on Spodoptera littoralis (Boisd.)', Journal of Plant Protection and Pathology, 15(9), pp. 293-297. doi: 10.21608/jppp.2024.317030.1259
Salem, R., Saleh, A., Elgohary, L., Hamada, M. The Toxicity and Biochemical Activity of Spinosad, Emamectin Benzoate and Dinotefuran on Spodoptera littoralis (Boisd.). Journal of Plant Protection and Pathology, 2024; 15(9): 293-297. doi: 10.21608/jppp.2024.317030.1259
The Toxicity and Biochemical Activity of Spinosad, Emamectin Benzoate and Dinotefuran on Spodoptera littoralis (Boisd.)
Pesticides Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
Abstract
The failure of the traditional insecticides to control cotton leafworm Spodoptera littoralis led to severe losses in different crops as a result of resistance development. This study aimed to evaluate the toxicity and biochemical activity of newly emerged insecticides, spinosad, emamectin benzoate and dinotefuran on 4th instar larvae of Spodopteralittoralis. The results clearly illustrated that emamectin benzoate was more toxic than spinosad and dinotefuran according to LC50 values 0.8, 201.7 and 3979.6 ppm, respectively. Additionally, the tested compounds resulted in a significant reduction in Ache activity by 50, 42 and 63.2%, respectively. On the contrary, there was significant increase of α – E by 5.3, 90.9 and 75.2%, β- E by 33.3, 29.7 and 44%, AST by 163.6, 181.8 and 63.6%, ALT by 263.2, 210.5 and 157.89%, ACP by 100, 200 and 200% and ALP activities by 250, 320 and 158%, respectively for the mentioned insecticides in comparing with untreated larvae.
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