[SKRIPSI] Keberadaan Penyakit CVPD (Citrus Vein Phloem Degeneration) Pada Tanaman Jeruk Siam (Citrus nobilis) Di Kecamatan Malangke Barat, Kabupaten Luwu Utara, Sulawesi Selatan

Keberadaan Penyakit CVPD (Citrus Vein Phloem Degeneration) Pada Tanaman Jeruk Siam (Citrus nobilis) Di Kecamatan Malangke Barat, Kabupaten Luwu Utara, Sulawesi Selatan


REFI HENDRYANI PRIDA

G0111 71 030


Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian

Universitas Hasanudddin


ABSTRAK

REFI HENDRYANI PRIDA (G011 171 030) “Keberadaan Penyakit CVPD (Citrus Vein Phloem Degeneration) Pada Tanaman Jeruk Siam (Citrus nobilis) Di Kecamatan Malangke Barat, Kabupaten Luwu Utara, Sulawesi Selatan” (di bawah bimbingan TUTIK KUSWINANTI dan ADE ROSMANA)

CVPD (Citrus Vein Phloem Degeneration) disebabkan oleh bakteri Liberibacter asiaticus. Penyakit ini menjadi ancaman usahatani jeruk siam dan dapat menyebabkan kehancuran sentra produksi jeruk. Penelitian ini bertujuan untuk mengetahui keberadaan penyakit CVPD (Citrus Vein Phloem Degeneration) pada tanaman jeruk siam (Citrus nobilis) di Kecamatan Malangke Barat, Kabupaten Luwu Utara, Sulawesi Selatan. Penelitian dilaksanakan di desa Pengkajoang dan desa Waelawi, Kecamatan malangke Barat, Kabupaten Luwu Utara dan di Laboratorium Penyakit Tanaman, Departemen Ilmu Hama dan Penyakit Tanaman, Fakultas Pertanian, Universitas Hasanuddin. Penelitian berlangsung dari bulan September dan Desember 2020. Jenis penelitian ini adalah kuantitatif yang terdiri dari penentuan lokasi survei, kondisi umum lokasi survei, penentuan jenis penyakit, pengamatan gejala penyakit dan deteksi patogen penyebab CVPD (Citrus Vein Phloem Degeneration) dengan Uji Akumulasi Pati. Hasil penelitian menunjukkan bahwa jeruk siam di desa Waelawi memiliki kejadian CVPD yaitu 35% dan tingkat keparahan CVPD yaitu 83% lebih tinggi dibandingkan di desa Pengkajoang dengan kejadian CVPD yaitu 17% dan tingkat keparahan 54%. Uji akumulasi pati pada gejala berat CVPD menunjukkan warna yang lebih intens pada jaringan urat daun jeruk dibandingkan dengan gejala CVPD ringan.

Kata Kunci : Citrus Vein Phloem Degeneration, Jeruk siam, Liberibacter asiaticus, insidensi penyakit, intensitas penyakit.


ABSTRACT

REFI HENDRYANI PRIDA (G011 171 030) “The Presence of CVPD (Citrus Vein Phloem Degeneration) on Siamese Citrus (Citrus nobilis) in West Malangke District, North Luwu Regency, South Sulawesi "(Supervised by TUTIK KUSWINANTI and ADE ROSMANA)

CVPD (Citrus Vein Phloem Degeneration) caused by the bacterium Liberibacter asiaticus belong to the major diseade on citrus plantation especially on siamese citrus that cause seriously destruction of citrus production centers. This disease is a threat to siomase citrus farming and can cause the destruction of citrus production centers. This study aims to determine the disease incidence and disease intencity of CVPD (Citrus Vein Phloem Degeneration) in siamese citrus (Citrus nobilis) in West Malangke District, North Luwu Regency, South Sulawesi, from September-Desember 2020. This type of research is quantitative consisting of determining the survey of location, the general condition of the location survey, determining the type of disease, observing the symptoms of the disease by detection using starch accumulation Test. The result showed that siamese citrus in Waelawi village had higher in CVPD incidence 35% and CVPD severity 83% than in Pengkajoang village with CVPD incidence 17% and CVPD severity 54% . Starch accumulation test on CVPD heavy symptom showed the more intencity coloured in vein tissue of citrus leaves than the mild CVPD symptom.

Keywords: Citrus Vein Phloem Degeneration, Siamese orange, Liberibacter asiaticus, incindence, intencity.


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