Crocidolomia pavonana is the main pest of Brassicaceae family. Barringtonia asiatica, Melia azedarach and Annona muricata are plants that have a potency for insect pest control. Their insecticidal activities include poisoning, antifeeding and inhibiting the growth of larvae. This study aimed to determine insecticidal activities of seed extracts of B. asiatica, M. azedarach and A. muricata and their mixtures against C. pavonana F.. Experiment was carried out in the Laboratory of Pesticide and Application Techniques, Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran from August to November 2014. The experiment was arranged in a completely randomized desain (CRD) with 13 treatments and 3 replications. The treatments were the seed extract of B. asiatica, M. azedarach, A. muricata and their mixtures (1:1) at the concentrations of 0.1%, 0.5% and a control treatment. The results showed that the mixture of B. asiatica and A. muricata extract was effective to control C. pavonana larvae. At the concentration of 0.1%, it caused 100% larval mortality at 3 days after application. It had also antifeedant activity. It seems there is a synergistic effects between B. asiatica and A. muricata extract. Therefore, seed extracts of B. asiatica, M. azedarach, A. muricata and their mixtures have a potency to control C. pavonana larvae. Keywords: Annona muricata, Barringtonia asiatica, Melia azedarach, Crocidolomia pavonana, extract mixture, mortality.
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