Abstract
Fall armyworm is a new pest in Indonesia that is currently of concern because of its widespread attack on corn production areas. FAW infestation in young plants will cause damage up to 90% and even corn plants can die. The study on the control of the fall armyworm (FAW) caused by Spodoptera frugiperda was conducted at the Bajeng Technology Research and Assessment Installation, Gowa, which took place from March-August 2020. The treatments were arranged in a randomized block design with 6 treatments repeated 4 times. The treatments consist of 4 synthetic insecticide treatments derived from 4 active ingredients (emamectin benzoate, spinoteram, carbofuran, chlorantraniliprole + tiamethoxam), one vegetable pesticide (nano pesticide; a.i. citronella, geraniol and citronellol) and one control treatment without pesticides. The treatment application was carried out 2 weeks after planting (WAP) then repeated every 2 weeks until the plants were 8 WAP. The treatment was carried out 2 times in the fegetative phase, 2 times in the generative phase. The plot area of each treatment is 5 x 5 m, the spacing is 70 x 20 cm. The results showed that the most effective insecticide to control FAW was Spinetoram followed by Emamectin Benzoate and Chlorantraniliprole. The average percentage of attacks in the spinetoram treatment was: 24.2% at 4 WAP, then 24.9% at 6 WAP, 29.1% and 37.1% at 10 WAP. The highest average yield was obtained in the insecticide treatment Spinetoram (10.7 t/ha) followed by Emamectin Benzoate (9.3 t/ha) and Chlorantraniliprole (8.9 t/ha), while the lowest yield was obtained in the control treatment (5.2 t/ha).
Published Version
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