TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).
Kady,, M., Negm, S., Saleh, A., Hamada, M. (2007). TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).. EKB Journal Management System, 32(4), 3123-3132. doi: 10.21608/jppp.2007.219502
M. I. Kady,; Salaw. E. Negm; A. A. Saleh; M. S. Hamada. "TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).". EKB Journal Management System, 32, 4, 2007, 3123-3132. doi: 10.21608/jppp.2007.219502
Kady,, M., Negm, S., Saleh, A., Hamada, M. (2007). 'TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).', EKB Journal Management System, 32(4), pp. 3123-3132. doi: 10.21608/jppp.2007.219502
Kady,, M., Negm, S., Saleh, A., Hamada, M. TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).. EKB Journal Management System, 2007; 32(4): 3123-3132. doi: 10.21608/jppp.2007.219502

TOXICITY AND BIOCHEMICAL IMPACTS OF SEVERAL INSECTICIDES AND THIER MIXTURES ON THE 4TH INSTAR LARVAE OF COTTON LEAFWORM Spodoptera Littoralis (BIOSD).

Journal of Plant Protection and Pathology
Article 12, Volume 32, Issue 4, April 2007, Page 3123-3132  XML PDF (681.68 K)
Document Type: Original Article
DOI: 10.21608/jppp.2007.219502
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Authors
M. I. Kady,; Salaw. E. Negm; A. A. Saleh; M. S. Hamada
Mansoura University Faculty of Agriculture Pesticides Department
Abstract
The objective of this research was to evaluate the toxicity of new type of insecticides mixtures (insecticide + insecticide + synergist) to 4th instar larvae of cotton leafworm spodoptera littoralis in addition to study the effect of this mixtures and their individual insecticides on some biochemical enzymes activites in hemolymph in 4th instar larvae. Toxicological Results revealed that cordon plus was the most effective insecticides mixture with LC50 (11.04 ppm) followed by lambada 5%, encore and pulmic. While chlorpyrifos was the most effective individual insecticide against 4th instar larvae of cotton leafworm S. littoralis with LC50 (46.17 ppm) followed by fenitrothion, diazinon and lambada 2.5%. Biochemical results revealed that all the tested insecticides increased the activity of aliphatic esterase except chlorpyrifos and there was appositive correlation between the concentration used and the activities. All the tested insecticides decreased (α-E), all the tested insecticides increased (ß -E) .Also all the tested insecticides and insecticides mixtures increased acid phosphatases and alkaline phosphates activities when larvae treated with LC12.5 or LC25, in comparison with control. All the tested compound decreased (GOT /AST) and (GPT /ALT)activites in hemolymph of 4th instar larvae of S. littoralis
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