Concentrations C. sprocera D. alba Total Control 20.4a 18.93a 19.67a 20 % 12.3b 13.33b 12.8b 40 % 9.5bc 3.5ef 9.1c 60 % 2f 2.8ef 6.67c 80 % 7.33cde 10.8bc 6.47c 100% 4.53def 8.8bcd 2.4d Total 9.33a 9.69a

Table 3: Means comparisons for Infestation/Spoilage of grains at different concentration of C. sprocera and D. alba leaf extracts caused by Tribolium castaneum