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SVU-International Journal of Agricultural Sciences
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Volume Volume 3 (2020)
Volume Volume 2 (2020)
Issue Issue 2
Issue Issue 1
Volume Volume 1 (2019)
Ahmed, R., Mohanny, K., Mohamed, G., Allam, R. (2020). Evaluation of some pesticides against the tomato borer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under laboratory conditions. SVU-International Journal of Agricultural Sciences, 2(1), 13-20. doi: 10.21608/svuijas.2020.68313
R.A. Ahmed; K. M. Mohanny; G. S. Mohamed; R. O. H. Allam. "Evaluation of some pesticides against the tomato borer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under laboratory conditions". SVU-International Journal of Agricultural Sciences, 2, 1, 2020, 13-20. doi: 10.21608/svuijas.2020.68313
Ahmed, R., Mohanny, K., Mohamed, G., Allam, R. (2020). 'Evaluation of some pesticides against the tomato borer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under laboratory conditions', SVU-International Journal of Agricultural Sciences, 2(1), pp. 13-20. doi: 10.21608/svuijas.2020.68313
Ahmed, R., Mohanny, K., Mohamed, G., Allam, R. Evaluation of some pesticides against the tomato borer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under laboratory conditions. SVU-International Journal of Agricultural Sciences, 2020; 2(1): 13-20. doi: 10.21608/svuijas.2020.68313

Evaluation of some pesticides against the tomato borer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under laboratory conditions

Article 2, Volume 2, Issue 1, Winter and Spring 2020, Page 13-20  XML PDF (677.22 K)
Document Type: Original Article
DOI: 10.21608/svuijas.2020.68313
Authors
R.A. Ahmed email 1; K. M. Mohannyorcid 1; G. S. Mohamedorcid 2; R. O. H. Allam1
1Plant Protection Department, Faculty of Agriculture, South Valley University, Qena 83523, Egypt
2Plant Protection Department, Faculty of Agriculture, South Valley University
Abstract
The tomato borer, Tuta absoluta (Meyrick) is considered a devastating pest, particularly to the tomato Lycopersicon esculentum. The present study was carried out to determine the efficacy of five pesticides namely, indoxacarb, (abamectin+ thiamethoxam), emamectin benzoate, fipronil and imidacloprid against the 3rd larval instar of T. absoluta under laboratory conditions using the Leaf-dip method. The tested pesticides could be descendingly arranged as follows: emamectin benzoate, fipronil, (abamectin + thiamethoxam), indoxacarb and imidacloprid. The corresponding LC50 values after 72 h. were 0.07, 0.22, 0.28, 0.59 and 2.67 ppm, while LC90 values were 0.56, 3.25, 1.99, 4.69 and 30.29 ppm, respectively. It is clear that emamectin benzoate was the most toxic compound, whereas imidacloprid was the least toxic one. Results indicated that emamectin benzoate can be used as a good element in integrated management program to this pest.
Keywords
Abamectin; Fipronil; Emamectin benzoate; Indoxacarb; Tomato; Tuta absoluta
Main Subjects
Plant protection
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