Department of Entomology, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu, India
Online published on 31 October, 2011.
The residue of quinalphos (Ekalux) 20 AF and 25 EC formulations were determined in notton seed and lint. The residue in the lint samples from plots treated with the highest dose varied from below detectable level (BDL) to 0.06 ppm in the first picking and 0.02 to 0.09 ppm in the third picking. At lower doses the residue were BDL. Except in one seed samplp from plots treated with the highest dose of quinalphos 25 EC, the residue were BDL ii all samples of first as well as third pickings.
Residue, cotton, quinalphos, formulation
