Department of Entomology, Punjab Agricultural University, Ludhiana.
Two experiments on the control of aphids on seed crop of radish were conducted at village Kanganwal (Ludhiana). Five granular soil systemic insecticides viz; aldicarb at 0.5 to 3.0 kg, disulfoton 0.5 to 2.5 kg, phorate at 1.0 to 3.0 kg and fensulfothion and carbofuran each at 0.75 to 2.0 kg ai./ha were tried. Aldicarb, disulfoton and phorate at 1.0 kg, 2.5 kg and 2.0 kg ai./ha, respectively proved highly effective.
