R.K. MEENA, S.R. KUMAWAT AND K.C. KUMAWAT

The neem seed kernel extract (NSKE), mustard oil and Undi leaf extract 10.0 per cent impregnated bags (filled with wheat flour of variety, Raj. 3077) resulted in no of up to 75 days of application. After 75 days of treatment with NSKE 10.0 per cent  impregnated bags only 3.00 – 15.00 per cent adult emerged. This was followed by Undi extract 10.0 per cent (4.00 – 29.33  adult emergence) and mustard oil 10.0 per cent impregnated bags (7.00 – 27.33 adult emergence). After 150 days of  treatment, NSKE 10.00 per cent and 5.0 per cent impregnated bags resulted in significantly low adult emergence over control (untreated). No weight loss was inflicted by T. castaneum in treatment with NSKE 10.0 per cent, Undi leaf extract 10.0 per cent and mustard oil 10.0 per cent impregnated cloth bags revealed nil weight loss upto 75 days of treatment.