Vol. 6, Issue 3 (2018)
Dissipation pattern of Emamectin benzoate in/on brinjal fruits
Author(s): B Vinothkumar, R Kaviya and PV Shibani
Abstract: A supervised field trial was conducted to study the dissipation of emamectin benzoate at Naraseepuram village, Thondamuthur, Coimbatore, on the brinjal variety CO 2, during January – March, 2018. The samples were collected up to 15 days after pesticide application along with control and processed by modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method. The final estimation of residues was carried out on Ultra High Performance Liquid Chromatography (UHPLC) with diode array detector. The mean initial deposit after two spraying of emamectin benzoate @ 10 g a.i ha-1 and 20 g a.i ha-1 in/on brinjal fruit were 0.359 and 0.550 μg g-1, respectively. More than 80 per cent of emamectin benzoate residues got dissipated on 3 days after treatment. The residues persisted up to 3 and 5 days after treatment and further dissipated to Below Detectable Limit (BDL < 0.05 μg g-1) on 5 and 7 days after treatment at @ 10 g a.i ha-1 and 20 g a.i ha-1, respectively. Dissipation of emamectin benzoate followed first order reaction kinetics and the calculated half life was 1.53 and 1.57 days, respectively for 10 g a.i ha-1 and 20 g a.i ha-1.
Pages: 2630-2634 | 513 Views 121 Downloads
download (8009KB)
How to cite this article:
B Vinothkumar, R Kaviya, PV Shibani. Dissipation pattern of Emamectin benzoate in/on brinjal fruits. Int J Chem Stud 2018;6(3):2630-2634.
