Abstract
In the present study, ethyl acetate extracts of six botanicals were extracted by continuous hot percolation process in Soxhlet apparatus and evaluated to study the antifeedant, insecticidal and the growth and development inhibitory activity on second instar larvae of diamond back moth Plutella xylostella L. The results showed that the Sesbania grandiflora at 5% exhibited maximum antifeedant index (34.27%) followed by Swietenia macrophylla 5% (28.91%). Extracts of these plants were also found to be the most effective against larvae giving 76.67 and 23.33% mortality, respectively. The adult emergence was 23.33 and 26.67%, respectively with these, while developmental period did not reveal any significant differences.
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