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Inventarisasi Predator Serangga Hama Tanaman Padi Sawah di Desa Paya Rahat Kecamatan Banda Mulia Kabupaten Aceh Tamiang

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  • 2017, Seminar Nasional Multidisiplin Ilmu
  • Heviyanti, Maria
  • Mulyani, Cut

Abstract

Musuh alami adalah organisme di alam yang dapat membunuh serangga, melemahkan serangga, sehingga dapat mengakibatkan kematian pada serangga, dan mengurangi fase reproduktif dari serangga. Salah satu musuh alami penting di pertanaman padi sawah adalah predator. Predator Adalah binatang (serangga, laba-laba dan binatang lain) yang memburu, memakan atau menghisap cairan tubuh binatang lain sehingga menyebabkan kematian. Penelitian ini bertujuan untuk mengetahui jenis dan populasi predator hama tanaman padi sawah di Desa Paya Rahat, Kecamatan Banda Mulia, Kabupaten Aceh Tamiang. Penelitian dilaksanakan menggunakan metode survei pada fase vegetative pertanaman padi sawah. Pengambilan sampel dilakukan dengan metode diagonal yaitu menetapkan lima sub-plot yaitu pada bagian sudut dan bagian tengah pada lokasi pengambilan sampel. Pengambilan sampel dilakukan dengan menggunakan sweep net yang diayunkan di atas tanaman padi. Serangga yang terjaring segera dimasukkan ke dalam “killing bottle” yang berisi alkohol 70 %. Identifikasi jenis serangga predator dilakukan di Laboratorium Agroteknologi, Universitas Samudra. Hasil penelitian ditemukan 85 ekor predator serangga hama padi dari 7 family yaitu Coccinelidae, Gryllidae, Gerridae, Coenagrionidae, Lycosidae, Staphylinidae, dan Tetragnathidae. Populasi tertinggi adalah spesies Tetragnatha maxillosa dengan populasi rata-rata 50.59%, dan populasi terendah adalah spesies Paederus sp. dengan populasi rata-rata 2.35%. Nilai indeks keragaman (H’) predator pada fase vegetative pertanaman padi adalah 0.76 dan termasuk dalam kategori rendah, sedangkan kelimpahan tertinggi predator serangga hama padi family Tetragnathidae yaitu sebesar 30%

Suggested Citation

  • 2017, Seminar Nasional Multidisiplin Ilmu & Heviyanti, Maria & Mulyani, Cut, 2017. "Inventarisasi Predator Serangga Hama Tanaman Padi Sawah di Desa Paya Rahat Kecamatan Banda Mulia Kabupaten Aceh Tamiang," INA-Rxiv qbr7j, Center for Open Science.
  • Handle: RePEc:osf:inarxi:qbr7j
    DOI: 10.31219/osf.io/qbr7j
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