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INDONESIA
Jurnal Fitopatologi Indonesia
Published by Institut Pertanian Bogor
ISSN : 02157950     EISSN : 23392479     DOI : -
Core Subject : Health,
Medicine & Pharmacology
Jurnal Fitopatologi Indonesia (JFI) is an official publication owned by the Indonesian Phytopathology Society (Perhimpunan Fitopatologi Indonesia). In 2010, JFI management was given to PFI Komda Bogor. Since then, JFI has been published 6 times (January, March, May, July, September, and November).
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 19 No 4 (2023): Juli 2023" : 5 Documents clear
Variasi Morfologi dan Karakteristik Molekuler Isolat Phytophthora palmivora dari Beberapa Area Pertanaman Kakao serta Virulensinya Pada Kakao Klon Sulawesi 2 Kuswinanti, Tutik; Patandjengi, Baharuddin; Melina; Hardina, Nur
Jurnal Fitopatologi Indonesia Vol 19 No 4 (2023): Juli 2023
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.19.4.145-155

Abstract

Morphological characterization of Phytophthora isolates commonly was done on the basis of the colony and hyphal swelling characteristics, form, and shape of chlamydospore, sporangia as well as oogonia and antheridia. Molecular characterization was conducted using specific primer pairs Pal1 s and Pal2a for Phytophthora palmivora and universal primer ITS4 and ITS5 followed by sequencing of isolates. The virulence of Phytophthora palmivora isolates was tested on a cocoa pod of the Sulawesi2 clone. A total of 21 Phytophthora isolates were collected from Palopo, Gowa, and Pinrang Districts. Based on colony morphology and microscopic features i.e. chlamydospore, sporangium, and its papilla form, all isolates indicated Phytophthora palmivora. Molecular identification using a specific primer showed that all ten representative group isolates had the same band in size of 650 bp, whereas using universal ITS4 and ITS5 primers, all isolates generated one band in the size of 900bp. The sequencing result showed, that all isolates were placed in the group P. palmivora. The virulence of P. palmivora isolates on the Sulawesi2 clone revealed a varying degree of virulence, from less virulent to highly virulent. All isolates from Pinrang were classified as highly virulent because induced necrotic in more than 50% of the tested cocoa pod.
Detection of Fusarium wilt on Local Bananas in Pandeglang Nani, Maryani; Harahap, Elmira Oktaria Raihan; Khastini, Rida Oktorida; Ahmad, Fajarudin
Jurnal Fitopatologi Indonesia Vol 19 No 4 (2023): Juli 2023
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.19.4.133-144

Abstract

Pandemi layu fusarium pisang atau Panama disease, yang disebabkan oleh tropical race 4 (TR4), menjadi ancaman budi daya pisang baik industri maupun skala kecil. Di Indonesia, layu fusarium menyerang varietas ekspor pisang Cavendish dan varietas lokal populer seperti Pisang Raja, Kepok, dan Barangan. Meskipun demikian, TR4 masih belum banyak diketahui keberadaannya pada pisang-pisang lokal di berbagai wilayah Indonesia. Penelitian ini bertujuan mendeteksi TR4 pada pisang-pisang lokal Pandeglang, yang merupakan wilayah terbesar penghasil pisang di Provinsi Banten. Survey dilakukan di sembilan lokasi yang tersebar di lima kecamatan: Banjar, Cadasari, Jiput, Labuan, dan Menes. Total 13 aksesi pisang lokal menunjukkan gejala internal dan eksternal layu fusarium. Sampel pseudostem bergejala ditumbuhkan pada medium agar-agar dekstrosa kentang. Kultur spora tunggal digunakan untuk identifikasi dan isolasi DNA. Berdasarkan karakter mikroskopisnya, 27 galur Fusarium yang terdiri atas 3 komplek species berhasil diidentifikasi yaitu F. cugenangense, F. foetens dan F. oxysporum (Fusarium oxysporum species complex; FOSC), F. equiseti dan F. incarnatum (Fusarium incarnatum-equiseti species complex) dan F. solani (Fusarium solani species complex atau Neocosmospora). Deteksi molekuler duplex PCR menggunakan primer translation elongation factor-1α (Tef-1α) dan primer specific TR4, memberikan hasil positif hanya pada galur-galur yang merupakan TR4, anggota dari FOSC. Penelitian ini memperkaya pengetahuan keberadan TR4 pada daerah yang belum teridentifikasi dan potensi ancaman TR4 yang menyerang pisang-pisang lokal di Pandeglang. Analisis molekuler lebih lanjut menggunakan sikuen gen penanda atau whole genome sequencing dapat memberikan pengetahuan akan diversitas genetik Fusarium asal Pandeglang sehingga metode penanganan yang tepat dapat dilakukan.
Keragaman Rhizomikrobiom Bawang Merah dan Penekanan Penyakit Moler dengan Perlakuan Bacillus spp. dan Trichoderma asperellum Sundari, Dini; Wibowo, Arif; Joko, Tri; Widiastuti, Ani; Pustika, Arlyna Budi
Jurnal Fitopatologi Indonesia Vol 19 No 4 (2023): Juli 2023
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.19.4.156-165

Abstract

Twisted disease (Fusarium spp.) is an endemic disease that reduces shallot production in the coastal land area of Samas, Bantul, Yogyakarta. The application of Bacillus spp. can suppress the twisted disease by secreting secondary metabolites and enhancing soil suppressiveness. This study aimed to determine the effectiveness of adding spraying Bacillus spp. on the disease incidence, production of shallots, and their effect on the diversity of rhizomicrobiome by culture microbe approaches. Bacillus spp. with a density 108 cfu mL-1, Trichoderma asperellum 106 cfu mL-1 was applied by spraying to the shallot. Fungicide chlorothalonil, propiconazole, and prochloraz were used to control the disease. The diversity of rhizobacteria and fungi was analyzed using the ribosomal intergenic spacer analysis (RISA) method. Based on the analysis result, the addition of spraying B. velezensis B-27, combination B. velezensis B-27 and B. cereus RC76, and T. asperellum was unable to enhance the suppression of twisted disease, but it was able to enhance the production of shallot bulbs reaching 7.10, 7.80, and 8.43 ton ha-1. Furthermore, the result revealed the diversity of the rhizomicrobiome, spraying Bacillus sp. showed 39% differences in bacterial diversity with control while T. asperellum caused 43% difference in the diversity. Spraying Bacillus spp. has not been able to suppress the incidence of twisted diseases compared to control. However, the similar disease incidence on a spraying Bacillus spp. and control showed a higher production until 70% compared to control. This result showed that the addition of spraying Bacillus spp. able to increase the tolerance of shallot plants toward twisted disease.
Resistance of Six Lines from Farmers against Bacterial Leaf Blight (Xanthomonas oryzae pv. oryzae) Suryaningsih, Andika Septiana; Triwidodo, Hermanu; Wiyono, Suryo
Jurnal Fitopatologi Indonesia Vol 19 No 4 (2023): Juli 2023
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.19.4.176-181

Abstract

Resistance of Six Lines from Farmers against Bacterial Leaf Blight (Xanthomonas oryzae pv. oryzae) Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae is a disease that detrimental to rice production in Indonesia. One effort to control the disease is to use BLB resistant varieties. This study aims to evaluate the development of bacterial leaf blight on six lines (TCIPB202101, TCIPB202102, TCIPB202103, TCIPB202104, TCIPB202105, and TCIPB202106) and two control varieties (Ciherang and Inpari 30). Green house experiment was conducted in Cikabayan Dramaga using artificial inoculation. The study was conducted by observing the incubation period, lesion length and disease intensity at 7 and 14 days after inoculation (DAI). The results showed that all the lines tested were resistant to BLB and had better resistance compared to the control varieties. The TCIPB202105 and TCIPB202106 lines had the best resistance response with an average disease intensity below 1%. Meanwhile, the TCIPB202101 and TCIPB202102 lines had the highest percentage of disease intensity although they are still considered as moderately resistant category.
Cover Jurnal Fitopatologi Vol. 19 No. 4, Juli 2023 Editors Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol 19 No 4 (2023): Juli 2023
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.19.4.i

Abstract

This editorial contains the front cover, editorial page, and back cover of the Jurnal Fitopatologi Indonesia Vol. 19 No. 4, July 2023

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