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Jurnal Fitopatologi Indonesia

jfiti
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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).

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Articles 412 Documents

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Cover Jurnal Fitopatologi Vol. 14 No. 3, Mei 2018 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol. 14 No. 3 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (733.698 KB)

DOI: http://dx.doi.org/10.14692/jfi.14.3.i

Karakterisasi Molekuler Papaya ringspot virus tipe P pada Tanaman Mentimun di Jawa Listihani Listihani; Tri Asmira Damayanti; Sri Hendrastuti Hidayat; Suryo Wiyono
Jurnal Fitopatologi Indonesia Vol. 14 No. 3 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Moleculer Characterization of Papaya ringspot virus type P on Cucumber in JavaInfection of Papaya ringspot virus (PRSV) on cucumber plants showing mosaic symptom was detected using specific antibody. Further investigation was conducted to determine molecular characters and status of PRSV infecting cucumber in Java. Infection of PRSV was detected from leaf samples collected from the field using dot immunobinding assay (DIBA). Disease frequency caused by PRSV infection reached 81.11%, 95.86%, 91.66%, and 92.3% in East Java, Central Java, Yogyakarta, and West Java, respectively. Characterization of PRSV isolates was conducted by reverse transcription polymerase chain reaction (RT-PCR) using specific primers for PRSV-P and PRSV-W, followed by cloning, and DNA sequencing. DNA fragment of 470 bp was successfully amplified using specific primers for PRSV-P from several samples from Nganjuk, Brebes, Kulon Progo, and Subang; but no amplification was achieved using specific primers for PRSV-W. Nucleotide and amino acid analysis showed high homology among PRSV-P isolates from Nganjuk, Brebes, Kulon Progo, and Subang, i.e. 98.6%-99.7% and 99.3%-100%, respectively. This is an indication of a low genetic variation among PRSV-P from Java. Further phylogenetic analysis indicated that PRSV-P isolate cucumber is in the same cluster with PRSV-P isolate papaya from Bali, Indonesia. This is the first report of PRSV-P infecting cucumber in Indonesia.

Eksplorasi dan Karakterisasi Khamir dan Bakteri sebagai Agens Antagonis terhadap Penyebab Penyakit Blas pada Padi Jauharoh Maknunah; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol. 14 No. 3 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Exploration of Yeasts and Bacteria as Antagonist Agent of Rice Blast PathogenBlast disease (Pyricularia oryzae) is a major disease of rice that causes 61% yield losses. An alternative way to control the disease is applying antagonistic agents, both yeasts and bacteria. This study was aimed to obtain yeast and bacterial isolates that can be used as antagonistic agents to effectively control blast disease. Yeasts and bacteria were isolated from the leaves of Digitaria sp., Panicum sp., and Pennisetum sp.. The isolates of yeasts and bacteria were screened following hypersensitive test on tobacco leaves, direct planting method test on ‘Ciherang’ rice seed, and hemolysis test on blood agar medium. The isolates were also further assayed for their antagonism through dual culture test, volatile compound test, hyperparasitism test, and chitinolytic activity test. Three isolates of yeast, i.e. Cryptococcus sp., Rhodotorula sp., and Candida sp., and two bacterial isolates, i.e. Bacillus sp. and isolate PPY were identified as potential antagonists of P. oryzae.

Deteksi Cepat Fusarium sp. pada Benih Kedelai Menggunakan Metode Spektroskopi Fluoresens Djoko Pujiarto; Bonny Poernomo Wahyu Soekarno; Akhiruddin Maddu
Jurnal Fitopatologi Indonesia Vol. 14 No. 3 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Rapid Detection Method for Fusarium sp. on Soybean Seed Using Fluorescence Spectroscopy MethodSeed borne pathogens play an important role as source of inoculum for disease in the field. Seed health testing is applied in order to prevent risks caused by seed borne pathogen. Fluorescence spectroscopy is a potential technology to be used as detection method for seed borne pathogen. Research was conducted to develop rapid detection protocol for seed borne pathogenic fungus by fluorescence spectroscopy method. The result showed that fluorescence spectroscopy could detect fluorescence emission of metabolite of Fusarium sp. after soybean seeds were incubated for 24 hr. Metabolite of Fusarium sp. produced cyan fluorescent at peak wavelength emission 504 nm when excited to violet light (405 nm). Fusarium sp. displayed typical fluorescence emission spectra which differ from fluorescence emission spectra of growth medium potato dextrose broth (PDB) (502 nm). It was evidenced that fluorescence spectroscopy method can be used to detect pathogenic seed borne fungi.

Identitas Spesies Botrytis pada Tanaman Hortikultura Di Jawa Barat, Indonesia devi ayu komalaningrat; Efi Toding Tondok; widodo widodo
Jurnal Fitopatologi Indonesia Vol 14 No 6 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Identity of Botrytis Species on Horticultural Crops In West Java, IndonesiaBotrytis species are economically important pathogens with a very broad host range including more than 200 horticultural crops. The identity of these fungus found in Indonesia has not been investigated and need to be reconfirmed due to the species variations of Botrytis found worldwide. The aims of this research were to identify Botrytis species infecting crops in West Java based on its morphology and molecular characteristics, as well as its pathogenicity traits. Based on morphological characters, all 25 isolates found were identified as B. cinerea. ITS-based sequences of the 8 isolates showed 96-100% similarity to reported B. cinerea in GenBank. The phylogenetic analysis confirmed that all collected B. cinerea were grouped in the same cluster with Australia, Netherlands, and other Asian region isolates. Pathogenicity tests using strawberry fruits demonstrated that all isolates were pathogenic as indicated by grey mold symptom development; the isolates from orchid showed the highest virulence. This research is the first report confirming Botrytis cinerea identity based on morphology and molecular methods in Indonesia, and also confirmed B. cinerea as the only species of Botrytis found in West Java.

Kanker Batang: Penyakit Baru pada Kopi di Lampung Suryo Wiyono; Andika Septiana Suryaningsih; Ali Wafa; Efi Toding Tondok; Bonjok Istiaji; Hermanu Triwidodo; Widodo Widodo
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Stem Canker: A New Disease of coffee in LampungStem cancer is a new disease that has attacked smallholder coffee plantations in Lampung since 2010. The cause of the disease was unknown. This study aims to describe the symptoms of the disease, the incidence of the disease in the affected plantation, and identify morphologically and molecularly the canker pathogens of the coffee stem canker diseases. All stages of Koch’s postulate were carried out in laboratories and greenhouses. The isolated pathogens were morphologically characterized by colony shape and color as well as the conidia shape and size. Molecular identification was carried out by using a general primer (ITS1 and ITS4) and followed by sequencing. The main symptoms of the disease are stem cancer and dieback, as well as more infecting older plants. Pathogen of the coffee stem canker disease that attacks coffee plants in Lampung has been identified as Fusarium solani which has 99% homology with F. solani KY245947.1.

Sebaran Nematoda Sista Kentang di Wonosobo dan Banjarnegara, Jawa Tengah Dani Sutanta Syafii; Lisnawita Lisnawita; Hasanudin Hasanudin
Jurnal Fitopatologi Indonesia Vol 14 No 4 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Distribution of Potato Cyst Nematode in Wonosobo and Banjarnegara, Central JavaPotato cyst nematode (PCN), Globodera spp., is the primary pathogens that infect potato plants and has been distributed world wide. This study aimed to determine the geographic distribution and species of PCN that infect potato plants in Wonosobo and Banjarnegara, Central Java through a survey, morphological and molecular approaches. Morphological characters were observed among cyst (fenestra diameter, distance from anus to the fenestra, and the Graneks ratio, eggs (length and width of eggs), and the juvenile stage 2 (J2) (length and width of the body, the length and width of the head, the length of the stylet, knob type, as well as the length of the tail). While the molecular identification by polymerase chain reaction is based on the amplification of the internal area transcribed spacers using G. rostochiensis PITSr3 specific primer, G. pallida PITSp4 specific primer and universal nematode primer ITS5. Twelve isolates of PCN, i.e. 5 isolates from Wonosobo and 7 isolates from Banjarnegara were used in this study. The results showed that all isolates were identified as single species, G. rostochiensis.

Potensi Kolonisasi Mikoriza Arbuskular dan Cendawan Endofit dan Kemampuannya dalam Pengendalian Layu Fusarium pada Bawang Merah Mei Lita Fitriani; Suryo Wiyono; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol 15 No 6 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Layu Fusarium merupakan penyakit penting pada bawang merah (Allium cepa var. aggregatum) yang disebabkan oleh Fusarium oxysporum f.sp. cepae. Pada penelitian ini, isolat biokontrol potensial cendawan endofit dan mikoriza diuji kemampuan kolonisasinya secara tunggal dan kombinasi untuk menekan perkembangan penyakit layu Fusarium. Percobaan dilakukan menggunakan rancangan acak lengkap dengan 8 perlakuan dan 5 ulangan. Kemampuan menekan patogen diamati dari persentase kolonisasi agens biokontrol, periode laten penyakit, insidensi penyakit, laju infeksi, dan area under the disease progress curve (AUDPC). Agens biokontrol yang diujikan berhasil bersimbiosis dengan akar tanaman bawang merah. Aplikasi tunggal mikoriza arbuskular paling baik dalam memengaruhi pertumbuhan tanaman dan menekan perkembangan penyakit layu fusarium pada bawang merah dengan periode laten penyakit terpanjang 21 hari dan menurunkan insidensi penyakit hingga 40%.

Cover Jurnal Fitopatologi Vol. 14 No. 4, Mei 2018 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol 14 No 4 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (751.994 KB)

DOI: http://dx.doi.org/10.14692/jfi.14.4.i

Keefektifan Perlakuan Air Panas terhadap Nematoda Ditylenchus destructor pada Umbi Bawang Putih Heri Ahmadi; Supramana Supramana; Mohamad Rahmad Suhartanto
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

The Effectiveness of Hot Water Treatment Against Nematode Ditylenchus destructor on Garlic BulbsThe high importation of garlic increases the risk of entry and spread of Ditylenchus to Indonesia. The hot water treatment (HWT) has the potential to be developed as an effective and safe method for elimination Ditylenchus in garlic. The aim of the current research was to examine effectiveness of HWT application on imported garlic to eliminated Ditylenchus. The research consisted of garlic sampling, nematode identification and determination of population abundance, and HWT. Samples were taken from traditional markets. The range of HWT temperature tested was 41, 43, 45, 47, 49, 51, 53, and 55 °C for 20 minutes and control. Optimization of treatment time was carried out at 49–51 °C for 5, 10, 15, 20, 25, 30 minutes and control. The results showed that based on morphological characters the parasitic nematodes that infect imported garlic from China were D. destructor. Nematode populations are varied in the sample, the highest number was 508 nematodes per 50 g of garlic. Hot water temperature at 41–51 °C did not affect the quality of garlic, and the temperature of 49–55 °C caused 100% nematode mortality. Hot water at 49 °C for 20–30 minutes or 51 °C for 20–25 minutes effectively eliminated Ditylenchus in garlic without affecting the garlic quality. The research confirmed the presence of D. destructor in imported garlic imported from China, so it is recommended to tighten inspection at a port of entry and monitoring its potential spread in Indonesia.

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