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      Tingkat Parasitasi dan Spesies Parasitoid Telur Penggerek Batang Padi Kuning (Scirpophaga incertulas) pada Pertanaman Padi di Kabupaten Karawang

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      Date
      2021
      Author
      Add'ha, Farizd
      Anwar, Ruly
      Sartiami, Dewi
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      Abstract
      Produksi padi di Indonesia masih mengalami penurunan signifikan yang disebabkan oleh organisme pengganggu tanaman (OPT), salah satunya adalah penggerek batang padi kuning (PBPK), Scirpophaga incertulas. Pengendalian hama tersebut yang umum dilakukan oleh petani adalah penggunaan insektisida. Aplikasi insektisida apabila dilakukan dengan tidak bijaksana akan berdampak negatif. Oleh karena itu, perlu dilakukan pengendalian hama yang ramah lingkungan sesuai konsep pengendalian hama terpadu (PHT) seperti aplikasi feromon sintetik. Penelitian ini bertujuan mengetahui tingkat parasitasi dan spesies parasitoid telur S. incertulas pada pertanaman padi yang mendapat perlakuan feromon sintetik (Z11-Hexadecenal 33%). Penelitian ini dilakukan di pertanaman padi milik petani di Desa Sukaraja, Kecamatan Rawamerta, dan Desa Sindangmukti, Kecamatan Kutawaluya, Kabupaten Karawang, Jawa Barat mulai dari Februari sampai Juni 2020. Penelitian dilakukan pada lahan 80 ha yang dibagi menjadi beberapa petak lahan. Percobaan dilakukan menggunakan rancangan acak kelompok (RAK) dengan 4 perlakuan dan 5 ulangan. Perlakuan yang digunakan yaitu perlakuan kontrol (pertanaman padi tanpa feromon) dan perlakuan feromon dengan dosis 10 dispenser/ha, 20 dispenser/ha, dan 30 dispenser/ha. Pengambilan kelompok telur dilakukan setiap 2 minggu sebanyak 4 kali. Peubah yang diamati yaitu kemunculan larva PBPK dan imago parasitoid, serta tingkat parasitisasinya. Hasil penelitian ini menunjukkan bahwa penggunaan feromon sintetik dapat memengaruhi tingkat parasitasi kelompok telur pada pengamatan 10 MST dan tingkat parasitasi butir telur pada pengamatan 6 MST, tetapi tidak memengaruhi terhadap jumlah larva PBPK yang menetas, imago parasitoid yang muncul, dan spesies parasitoid yang ditemukan.
       
      The rice production in Indonesia have significant declined due to plant pests and diseases, one of them is yellow rice stem borer (PBPK) Scirpophaga incertulas. Insecticide applications have been commonly used by farmers for controlling this pest. Unwise application of insecticides will have a negative impact. Therefore, integrated pest management (IPM) needs to be carrierd out and one of strategy is synthetic pheromone application. This research aims to determine the type of egg parasitoids and its parasitization level of S. incertulas in paddy field applied by synthetic pheromones (Z11-Hexadecenal 33%). This research was carried out in farmers' rice fields at Sukaraja Village, Rawamerta District, and Sindangmukti Village, Kutawaluya District, Karawang Regency, West Java from February to June 2020. The research was carried out on 80 Ha of land which was divided into several plots of land. The experiment was conducted using a randomized group (RBD) with 4 treatments and 5 replications. The treatments used were control treatment (rice cultivation without using pheromone) and treatment of rice planting with 10 dispenser/ha, 20 dispenser/ha, and 30 dispenser/ha. Eggs were sampled biweekly for 4 times with variables were observed of the appearance of PBPK larvae, parasitoid imago, and parasitization levels. The results of this study indicated that the use of synthetic pheromones affected the parasitization levels of egg group at 10 MST and parasitization levels of egg at 6 MST, but does not affected the number of hatched PBPK larvae, emerge parasitoids adults, and parasitoid species found.
       
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      http://repository.ipb.ac.id/handle/123456789/105339
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