Assessment of Aegle marmelos Fruit Extracts as Organic Insecticide for Spodoptera exigua on Allium ascolanicum

Allium ascalonicum L. is a commodity household Indonesian consume for daily cooking. However, the constraint on shallot production is attacked by Spodoptera exigua (Hübner, 1808)). So far, farmers have relied a lot on control methods using chemical pesticides, which negatively impact the environment. The fruit of Aegle marmelos L. contains a fatty substance called tannin, one of the compounds with a bitter taste that insects can dislike. This content is why A. marmelos is highly recommended as an organic pesticide. The study assessed the concentration of A. marmelos extracted which was effective in controlling S. exigua. The study was arranged to use a randomized block design, consisting of five treatments of A. marmelos fruit extract concentration, namely: 2 mL L–1 of water (K1); 4 mL L–1 of water (K2); 6 mL L–1 of water (K3); 8 mL L–1 of water (K4); 10 mL L–1 of water (K5) and without A. marmelos treatment (K0). The results showed that a concentration of 4 mL L–1 of water effectively suppresses the development of S. exigua and can increase A. ascalonicum production.

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