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Browsing by Author Sabry, Al-kazafy Hassan

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Development and using of some nanopesticide formulations against the conical snail, Cochlicella acuta, and the chocolate banded snail, Massylaea vermiculata

Authors: Sabry, Al-kazafy Hassan; Advisor: -; Participants: Ali, Reham Fathey (2022)

Nanopesticides are considered promising strategy in pest control. So, this strategy became an important new approach in pesticide formulations production. In this study, three traditional pesticide formulations (chlorfenapyr, imidacloprid and indoxacarb) were developed into nanoformulations. The toxicity of these nanoformulations was evaluated against the adults of the conical snail, Cochlicella acuta (Müller, 1774), and the chocolate banded snail, Massylaea vermiculata (Mohamed and Ali, Anim Biol J 2(4):171–180, 2011).

Development of imidacloprid and indoxacarb formulations to nanoformulations and their efficacy against Spodoptera littoralis (Boisd)

Authors: Sabry, Al-kazafy Hassan; Advisor: -; Participants: Salem, Hamdy Abdel-Naby; Metwally, Hala Mohamed (2021)

Indoxacarb and imidacloprid nanoparticles were developed. The size of nanoparticles ranged between 200 and 400 nm. The obtained results showed that the percentage of mortalities in second instar larvae of Egyptian cotton leafworm, Spodoptera littoralis were 95 and 75% in indoxacarb and imidacloprid nanoparticles, respectively. On the other hand, these percentages were 76.7 and 91.7%, respectively, with conventional formulations. In spite of one fifth of pesticide concentrations were used in nanoformulations, the LC50, s in nanoformulations were 2.9 and 15.9 ppm for indoxacarb and imidacloprid, respectively, compared to 34.3 and 66.5 in conventional formulation. The loading capacity in...