Chemical Control of the Leaf Miner Scaptomyza flava Fallen (Diptera: Drosophilidae) and Determination of Acetamipride and Abamectin Residues on Radish Plant

Abstract

Scaptomyza flava (Diptera: Drosophilidae) is a serious pest that attacks Brassicaceae, causing significant production losses. The current study was carried out to evaluate the relative efficiency of deltamethrin 2.5 EC, abamectin 1.8 EC, and acetamiprid 20 SP insecticides. In addition to determining the acetamiprid 20 SP and abamectin1.8 EC residues in the leaves and roots of radish. The mortality score revealed that acetamiprid 20 SP, and abamectin 1.8 EC achieved 87.3% and 72.8% respectively after 72 hours compared to deltamethrin 2.5 EC, which scored 54.42%. The chromatogram outcomes of acetamiprid 20 SP and Abamectin1.8EC demonstrated that the acetamiprid 20 SP residues sharply decreased. They reduced from 1856.8 and 25.9 to 0 mg.L-1 in both leaves and roots respectively after ten days of application. While the Abamectin1.8 EC residue was decreasing from 954.12 to 0 mg.L-1 after ten days. Furthermore, abamectin 1.8 EC residues have not been detected in the radish roots. The overall consequence proposed that both acetamiprid 20 SP and abamectin1.8 EC are highly efficient in the controlling of Scaptomyza flava larva and there are no harmful impacts for both on the edible vegetable.

Keywords

• Abamectin 1.8 EC
• Acetamiprid 2.5 SP
• HPLC
• Radish
• Scaptomyza flava