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Copyright (c) 2020 Ramadhan Taufika, Siti Sumarmi, Setyo Andi Nugroho ABSTRACT: Spodoptera litura (Lepidoptera: Noctuidae) larvae is polyphagous insects that populations cause damage to many kinds of plantations, horticulture, and food, so it needed control technique. One way to control the environmentally friendly population of S. litura larvae is to use botanical insecticide was the mixed extract of Annona squamosa leaves and Curcuma domestica rhizome (the mixed of experimental extracts). The aim of the research was to know the sublethal effect of the mixed of experimental extract mixture against S. litura larvae, namely the duration of larvae and pupae stage, pupae weight, morphology and viability of the imago, and the ability of the female imago to lay eggs to produce results. The test was carried out by the method of feed dip into the mixed of experimental extracts. Data on pupae weight were analyzed with ANOVA, then continue by Duncan test with significance level of 5% using the SPSS 21 program. The results showed the mixed of experimental extracts could be extended the larval and pupal stadia, pupal weight reduction, the wings of adults were not fully developed, adult size reduction, and also adults were unable to produced eggs. The results of this research can then be further tested on a greenhouse and analysis of a mixture of test extracts to know the bioactive composition collected as a botanical insecticide.

Efek subletal campuran ekstrak daun srikaya (Annona squamosa L.) dan rimpang kunyit (Curcuma domestica Val.) terhadap larva Spodoptera litura F.