Armyworms (Spodoptera litura) become important pests in Indoensia that eat leaves compared to other pests because they are polyfag. S. litura can reduce productivity even crop failure. Therefore, it is necessary to do research on how to control S. litura effectively and environmentally friendly. This study aims to determine the effectiveness of brotowali extract (Tinospra crispa) as a botanical insecticide and obtain the right concentration of fruit extract, young leaves, and old Brotowali leaves to control the armyworm (litura Spodopter). This study used a Non Factorial Completely Randomized Design (RAL) with 6 treatments of various doses of brotowali extract mixed with cow urine and 4 replications. The results of the study showed that the administration of Brotowali + Urine Cattle extract with high doses (30 ml / jar) was able to increase the speed of death of the armyworm. ABSTRAKUlat grayak (Spodoptera litura) menjadi hama penting di Indonesai, pemakan daun dibanding hama lainnya karena bersifat polyfag. S. litura dapat menurunkan produktivitas bahkan kegagalan panen. Oleh karena itu, perlu dilakukan penelitian mengenai cara mengendalikan S. litura secara efektif dan ramah lingkungan. Penelitian ini bertujuan untuk mengetahui efektivitas ekstrak brotowali (Tinospra crispa) sebagai insektisida botani dan mendapatkan konsentrasi ekstrak buah, daun muda, dan daun tua Brotowali yang tepat untuk mengendalikan ulat grayak (Spodopter litura). Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) Non Faktorial dengan 6 perlakuan berbagai dosis ekstrak brotowali yang dicampur urine sapi dan 4 ulangan . Hasil penelitian adalah menunjukkan bahwa pemberian ekstrak Brotowali + Urine Sapi dengan dosis tinggi (30 ml/toples) mampu meningkatkan kecepatan kematian ulat grayak.
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