KEANEKARAGAMAN KUTUDAUN (HEMIPTERA:APHIDIDAE) PADA BEBERAPA SENTRA PRODUKSI SAYURAN DI SUMATERA BARAT

Marito, Cahyani (2016) KEANEKARAGAMAN KUTUDAUN (HEMIPTERA:APHIDIDAE) PADA BEBERAPA SENTRA PRODUKSI SAYURAN DI SUMATERA BARAT. Diploma thesis, Universitas Andalas.

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Abstract

KEANEKARAGAMAN KUTUDAUN (HEMIPTERA:APHIDIDAE) PADA BEBERAPA SENTRA PRODUKSI SAYURAN DI SUMATERA BARAT Abstrak Kutudaun merupakan hama penting pada tanaman pertanian. Hama ini dapat menyebabkan kerusakan tanaman secara langsung dan sebagai vektor penyakit virus tanaman. Penelitian ini bertujuan untuk mempelajari keanekaragaman kutudaun pada beberapa sentra produksi sayuran di Sumatera Barat. Sampel diambil di tiga Kabupaten yaitu Kabupaten Agam, Tanah Datar dan Solok. Metode pengambilan sampel yang digunakan adalah koleksi langsung dengan tangan. Data keanekaragaman, kemerataan dan dominansi spesies dianalisis berturut-turut menggunakan indeks Shannon-Wienner, pielou, dan indeks nilai penting. Penelitian ini telah mengkoleksi 5.327 individu kutudaun yang terdiri dari 12 spesies. Keanekaragaman dan kemerataan spesies tertinggi terdapat pada pertanaman sayuran di Nagari Simpang Tanjung Nan IV (Solok) dan Padang Luar (Agam) yaitu berturut-turut 1,66 dan 0,78. Dari 12 spesies kutudaun yang ditemukan, Aphis gossypii adalah spesies yang dominan dengan indeks nilai penting 0,70. Kata kunci : Keanekaragaman, Kutudaun, Aphididae, Pertanaman sayuran DIVERSITY OF APHIDS (HEMIPTERA:APHIDIDAE) ON SOME VEGETABLE PRODUCTION CENTERS IN WEST SUMATERA Abstract Aphids are important pests in agricultural crops. These pests can cause demage to the plant directly and become vectors of plant viral deseases. Objective of the research were to study diversity of aphids on some vegetable production centers in West Sumatera. The samples were taken in Agam, Tanah Datar and solok districts. Collection method of insect was used by hand picking. The data of diversity, evenness and dominant species were analyzed using Shannon-Wiener, Pielou, and important value index. These research collected 5.327 individuals of Aphids which consisted of 12 species. The highest species diversity and evenness at vegetable ecosystems were found in Simpang Tanjung Nan IV (Solok) and Padang Luar (Agam) respectively. Aphis gossypii was dominant species of 12 spesies were collected in this study. Keywords: Diversity, Aphids, Aphididae, Vegetables

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