n African Entomology - Evaluation of bioactivity of some plant species against Fabricius (Noctuidae : Lepidoptera)




Experiments on feeding inhibition and toxicity of ethanolic extracts of and were conducted against showed significantly higher feeding inhibition against fifth instar larvae at 5 % concentration than either or . The calculated EC50 value of extract was found to be 0.83 % and 1.01 % for fourth and fifth instar larvae, respectively. also caused considerable larval mortality after 24 h, which increased to 94 % after 72 h, while and showed growth inhibition.


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