Abstract:Pests are one of the constraints in agricultural crops, such as the army worm (Spodoptera exigua), that is considered as one of the most harmful pests in the vegetative phase. In this work, ethanolic leaf extracts of common plants Senna sophera (L.) Roxb., Syzygium cumuni, and Annona squamosa Linn. in Llanera, Nueva Ecija, Philippines were prepared and the phytochemical constituents were detected. Direct spraying of the extracts was done to test the effectiveness of the biopesticides. Results showed that the e… Show more
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