Identifikasi Penyakit yang Disebabkan oleh Virus pada Tanaman Pepaya (Carica papaya L.) di Malang, Jawa Timur

Authors

  • Fery Abdul Choliq Universitas Brawijaya
  • Tutung Hadi Astono Universitas Brawijaya
  • Istiqomah Istiqomah Universitas Islam Darul 'Ulum Lamongan
  • Miladiyatul Fauziyah Universitas Brawijaya

DOI:

https://doi.org/10.21111/agrotech.v4i2.2442

Keywords:

Pepaya, Potyvirus, PRSV

Abstract

Abstract : Papaya ringspot merupakan penyakit baru pada tanaman pepaya di Indonesia yang disebabkan  oleh patogen Papaya ringspot virus (PRSV). Tujuan dari penelitian ini yaitu untuk mengetahui virus penyebab penyakit pada tanaman pepaya di Malang. Penelitian ini dilaksanakan di Laboratorium Virologi, Jurusan Hama dan Penyakit Tumbuhan, Fakultas Pertanian, Universitas Brawijaya dan rumah kaca di Desa Karangwidoro, Kecamatan Dau, Kabupaten Malang. Metode penelitian yang digunakan yaitu metode deskriptif  untuk mengetahui jenis virus pada tanaman pepaya. Hasil penelitian menunjukkan gejala pada tanaman pepaya di lapang yaitu mosaik dan klorosis pada lamina daun serta adanya bercak cincin atau ringspot pada permukaan buah. Hasil penularan pada tanaman indikator Chenopodium amaranticolor dan Chenopodium quinoa menghasilkan gejala lesio lokal nekrosis. Berdasarkan hasil identifikasi menggunakan TEM morfologi partikel virus tergolong kelompok Potyvirus, berbentuk filament flexuous dengan ukuran sekitar 800-900 nm x 12 nm. Virus yang diuji mempunyai kisaran inang tanaman dari famili Caricaceae dan dua jenis tanaman dari famili Cucurbitaceae yaitu Cucumis sativus dan Cucumis melo L. Berdasarkan hasil pengujian sifat fisik virus diketahui nilai Dilution End-Point (DEP), Thermal Inactivation Point (TIP), dan Longevity In Vitro (LIV) virus yang diuji yaitu 10-5-10-6, 65oC, dan 24-48 jam pada suhu ruang. Berdasarkan nilai tersebut dapat disimpulkan virus yang menginfeksi tanaman pepaya di Malang termasuk dalam famili Potyvirus yaitu Papaya ringspot virus (PRSV).

Author Biographies

Fery Abdul Choliq, Universitas Brawijaya

Jurusan Hama dan Penyakit Tumbuhan, Fakultas Pertanian, Universitas Brawijaya

Tutung Hadi Astono, Universitas Brawijaya

Jurusan Hama dan Penyakit Tumbuhan, Fakultas Pertanian, Universitas Brawijaya

Istiqomah Istiqomah, Universitas Islam Darul 'Ulum Lamongan

Program Studi Agroteknologi Universitas Islam Darul ‘Ulum Lamongan

Miladiyatul Fauziyah, Universitas Brawijaya

Jurusan Hama dan Penyakit Tumbuhan, Fakultas Pertanian, Universitas Brawijaya

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Published

2018-12-29

How to Cite

Choliq, F. A., Astono, T. H., Istiqomah, I., & Fauziyah, M. (2018). Identifikasi Penyakit yang Disebabkan oleh Virus pada Tanaman Pepaya (Carica papaya L.) di Malang, Jawa Timur. Gontor Agrotech Science Journal, 4(2), 87–105. https://doi.org/10.21111/agrotech.v4i2.2442

Issue

Vol. 4 No. 2 (2018): December 2018

Section

Articles

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