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Journal of Agricultural Science and Technology، جلد ۲۷، شماره ۵، صفحات ۱۱۳۷-۱۱۵۴
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عنوان انگلیسی Lethal and Sublethal Effects of Commercial and Nano-Encapsulated Deltamethrin and Matrine against Habrobracon hebetor (Hymenoptera: Braconidae)
چکیده انگلیسی مقاله In this study, deltamethrin and matrine were encapsulated with Polyethylene Glycol (PEG) and Chitosan (Cs), respectively, and their toxicity were investigated against Habrabracon hebetor Say using the contact method. According to the Scanning Electron Microscopy (SEM), spherical nanoparticles for both formulations were observed. The average hydrodynamic nanoparticle diameters for deltamethrin and matrine were 65 and 70.5 nm. The LC50 values were 254.48, 334.90, 760.31 and 1,021 mg L-1 in PEG-encapsulated deltamethrin, commercial deltamethrin, Cs-encapsulated matrine, and commercial matrine, respectively. Exposing to the LC30 of the commercial and nano-encapsulated deltamethrin significantly prolonged the total pre-adult period. Furthermore, the sublethal exposure to the PEG-based nanoformulation of deltamethrin and commercial deltamethrin resulted in significant reduction of the intrinsic rate of natural increase (rm) (0.159 and 0.168 d-1, respectively). The same trend was observed for the Gross Reproductive Rate (GRR), net Reproductive rate (R0), and finite rate of increase (λ) of the parsitoid. Our findings indicate that the negative side effects of commercial and nano-based formulations of deltamethrin on H. hebetor should be considered in IPM programs.
کلیدواژه‌های انگلیسی مقاله Chitosan,Integrated pest management,Nano-insecticides,parasitoid,Polyethylene glycol
نویسندگان مقاله Akram Ahmadi |
Department of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, Islamic Republic of Iran.

Moosa Saber |
Department of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, Islamic Republic of Iran.

Gholamreza Mahdavinia |
Department of Chemistry, Faculty of Basic Science, University of Maragheh, Maragheh, Islamic Republic of Iran.

نشانی اینترنتی https://jast.modares.ac.ir/article_24127_68e1b0f17bca77192096855e7ebfe4d8.pdf
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