Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm
Elsebaey, I., Khaled, A., Ahmed, M., Emam, A. (2023). Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm. EKB Journal Management System, 16(2), 169-181. doi: 10.21608/eajbsa.2023.342472
Ibrahim R. A. Elsebaey; Amany S. Khaled; Mohamed A. Ahmed; Ahmed I. Emam. "Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm". EKB Journal Management System, 16, 2, 2023, 169-181. doi: 10.21608/eajbsa.2023.342472
Elsebaey, I., Khaled, A., Ahmed, M., Emam, A. (2023). 'Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm', EKB Journal Management System, 16(2), pp. 169-181. doi: 10.21608/eajbsa.2023.342472
Elsebaey, I., Khaled, A., Ahmed, M., Emam, A. Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm. EKB Journal Management System, 2023; 16(2): 169-181. doi: 10.21608/eajbsa.2023.342472

Field Efficacy of Chlorpyrifos in A Chitosan Nanoformulation Against the Red Palm Weevil.Curculionidae) in Date Palm

Egyptian Academic Journal of Biological Sciences. A, Entomology
Volume 16, Issue 2, June 2023, Page 169-181  XML PDF (641.57 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2023.342472
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Authors
Ibrahim R. A. Elsebaey1; Amany S. Khaled1; Mohamed A. Ahmed2; Ahmed I. Emam3
1Entomology Department, Faculty of Science, Ain Shams University.
2Chemistry Department, Faculty of Science, Ain Shams University.
3Plant Protection Department, Desert Research Center.
Abstract
The current study aims to test a nanoformulation of an approved RPW-controlling active ingredient in order to optimize its delivery to RPW in infested date palms and protect it against premature degradation. This includes evaluating their ability to deliver the encapsulated insecticide active ingredient in a controlled release manner into the aqueous environment. Chitosan-Chlorpyrifos nanoformulation (Ch-Fos NF) was formulated via sonication.  HR-TEM and EDX Mapping were used to characterise the resulting nanoformulation. The toxicity of five distinct dosages of Chitosan-fos NF (50, 100, 150, 200, and 250) against 5th instar RPW larvae was determined via bioassay testing. The observed fatality percentages after 48 hours were 10, 15, 35, 55, and 80, respectively. The nanoformulation was applied on date palm and compared with the active ingredient, the carrier and a control test. The evaluation proved the efficacy of nanoformulation in insecticide delivery. Further study is required regarding phytotoxicity and residual analysis.
Keywords
Chitosan; Chlorpyrifos; Nanoformulation; controlled release; Red Palm Weevil
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