Efficacy of different azadirachtin based products in reducing infestation of sorghum seed by Rhyzopertha dominica during storage

Deltamethrin 2.8 E.C @ 0.04 ml/kg seed, Neem Azal T.S. 10000 ppm @1.5 ml/kg seed and Econeem Plus 3000 ppm @ 5.00 ml/kg seed were found equally effective for maintaining insect infestation below Economic Threshold Level (< 0.50%) and higher seed germination than Minimum Seed Certification Standard (MSCS) up to 9 months of storage.