Repellent and Toxicological Impact of Aqueous Extracts of Leaves of Aegle Marmelos and Solanum Torvum Plants against Tribolium Castaneum (Herbst)

Abstract

Pests have been damaging large amount of stored grains. Plants with numerous active substances are used to protect crops. The use of natural products of plant origin slowly faded until recently when use of synthetic pesticides started threatening human health and environmental safety In the present study, leaf extract of Aegle marmelos and Solanum torvum was isolated and tested their insecticidal activity against Tribolium castaneum (Herbst). The results showed that plants including Aegle marmelos and Solanum torvum leaf extracts have a high potency to control the pest due to the presence of phytochemical and bioactive components. The percentage mortality increased with increased time. The percentage mortality of Aegle marmelos is high in 20%concentration at 72 hours (36.6±0.471). The percentage repellency of Aegle marmelos is high in 20% concentration at 72 hours (80±0.471). The percentage mortality of Solanum torvum is high in 20% concentration at 72 hours (30±0) and percentage repellency is high in 20% concentration at 72 hours (73.3±0.471). On the basis of the result of present study these plants can be considered for the pesticide formulation that will be useful to control the pest.