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Nagah, A., Farid, H., Abdel-Ghani, D., Khalil, M. (2025). EVALUATION OF FIVE ACARICIDES AND THREE ESSENTIAL OILS AGAINST THE TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE) UNDER LABORATORY CONDITIONS. Menoufia Journal of Plant Protection, 10(4), 55-68. doi: 10.21608/mjapam.2025.386037.1047
Asmaa M Nagah; Heba Farid; Doaa M Abdel-Ghani; Maha Khalil. "EVALUATION OF FIVE ACARICIDES AND THREE ESSENTIAL OILS AGAINST THE TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE) UNDER LABORATORY CONDITIONS". Menoufia Journal of Plant Protection, 10, 4, 2025, 55-68. doi: 10.21608/mjapam.2025.386037.1047
Nagah, A., Farid, H., Abdel-Ghani, D., Khalil, M. (2025). 'EVALUATION OF FIVE ACARICIDES AND THREE ESSENTIAL OILS AGAINST THE TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE) UNDER LABORATORY CONDITIONS', Menoufia Journal of Plant Protection, 10(4), pp. 55-68. doi: 10.21608/mjapam.2025.386037.1047
Nagah, A., Farid, H., Abdel-Ghani, D., Khalil, M. EVALUATION OF FIVE ACARICIDES AND THREE ESSENTIAL OILS AGAINST THE TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE) UNDER LABORATORY CONDITIONS. Menoufia Journal of Plant Protection, 2025; 10(4): 55-68. doi: 10.21608/mjapam.2025.386037.1047

EVALUATION OF FIVE ACARICIDES AND THREE ESSENTIAL OILS AGAINST THE TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE) UNDER LABORATORY CONDITIONS

Article 8, Volume 10, Issue 4, May 2025, Page 55-68  XML PDF (622.24 K)
Document Type: Original Article
DOI: 10.21608/mjapam.2025.386037.1047
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Authors
Asmaa M Nagah1; Heba Faridorcid 2; Doaa M Abdel-Ghaniorcid 2; Maha Khalil3
1Plant Protection Department, Faculty of Agriculture, Benha University, Egypt.
2Fruit Trees Mite Research Department, Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
3Plant protection Dept., Faculty of Agriculture, Benha Univ., Egypt.
Abstract
The toxicological effects of five acaricides (Abamectin, Cyflumetofen, Fenpyroximate, Ethoxazole, and Bifenazate) and three essential oils (Neem, Peppermint, and Clove) were evaluated against adult females and immature stages of Tetranychus urticae (Acari: Tetranychidae) under controlled laboratory conditions. The results revealed that synthetic acaricides exhibited superior acute toxicity compared to essential oils at 24 and 48 hours post-treatment. Abamectin consistently showed the highest toxicity across all life stages and time points, with the lowest LC50 values of 0.85 and 0.654 ppm for adult females, and 0.739 and 0.625 ppm for larvae at 24 and 48 hours, respectively, indicating rapid and potent acaricidal action. Both Cyflumetofen and Fenpyroximate showed steep dose-response slopes and enhanced efficacy over time. Essential oils were significantly less effective, with Neem oil being the most potent among them, with LC50 values above 5000 ppm. All treatments exhibited time-dependent increases in toxicity, especially among botanical extracts. These findings suggest that while synthetic acaricides are more effective for rapid mite control, essential oils may contribute to long-term integrated pest management strategies due to their lower toxicity and environmental compatibility. This comparative analysis provides a basis for selecting appropriate agents based on the target stage and required speed of action in T. urticae management programs
Keywords
Tetranychus urticae; acaricides; essential oils; laboratory bioassay; integrated pest management
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