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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 6 Documents

Search results for , issue "Vol 15 No 1 (2019)" : 6 Documents clear

Cucumber mosaic virus pada Tanaman Lada di Yogyakarta dan Bangka Belitung Emerensiana - Uge; sri sulandari; sedyo - hartono; susamto - somowiyarjo
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Cucumber mosaic virus on Black Pepper in Yogyakarta and Bangka BelitungPepper (Piper nigrum) is spice crop which has been cultivated a long time ago in Indonesia. Stunting is one of disease on pepper caused by cucumber mosaic virus (CMV). The research aimed to diagnose the biological, morphological and nucleaic acid characters of CMV on pepper in Yogyakarta and Bangka Belitung. CMV infection on pepper in both area (Putat dan Kleben village, Yogyakarta and Air Buluh village, Bangka Belitung) showed typical symptoms such as mosaic, narrow leaves and stunting. The disease incidence and disease severity of stunting disease are varies. The virus able to transmitted by cutting, grafting and mechanically on Nicotiana tabacum and Chenopodium amaranticolor. However, it was unable to transmitted mechanically on pepper and by Aphis gossypii. The virus particles were isometric with diameter size 28-30 nm. RT-PCR using coat protein partial gene primer successfully amplified a DNA with size ± 500 bp from all three samples. The homology of nucleotide between three isolates was 98-97%, while the highest homology of those three strains CMV from Yogyakarta and Bangka Belitung was 98% against strains from China in Brassica chinensis. Three strains CMV from pepper were in the same group, and separated from CMV pepper lines from Indonesia and other CMV isolates.

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.

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.

Aktivitas Metabolit Sekunder Cendawan Endofit terhadap Colletotrichum acutatum pada Cabai Merah Nur Alfi Saryanah; Suryo Wiyono; Dadang Dadang
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Activity of Fungal Endophyte Secondary Metabolites against Colletotrichum acutatum on Chili PepperColletotrichum acutatum is one of anthracnose causal agents on chili pepper that has been reported to be predominant species in a some regions of Java Island. Secondary metabolites of endophytic fungi have been reported to have a potency as antifungal agents against plant pathogen. However, its antifungal activity against C. acutatum has not been reported yet. This study was aimed to evaluate the antifungal activity of fungal endophyte secondary metabolite against C. acutatum at in vitro and in vivo assay. In vitro assay was conducted to evaluate antifungal activity of fungal endophyte CBR1D14 isolate culture filtrate (FCBR) and mycelia extract (MCBR) in inhibiting conidial germination of C. acutatum. The results of in vitro assay showed that ethyl acetate extract of FCBR (EA FCBR) had the highest activity in inhibiting C. acutatum conidial germination. Methanol fraction from the partition of EA FCBR (FM FCBR) and from the partition of MCBR ethyl acetate extract (FM MCBR) showed the ability in inhibiting C. acutatum conidial germination. In vivo assay to chili pepper fruit showed that the treatment of FM FCBR (IC95 609.9 µg mL-1) and FM MCBR (IC95 1178.27 µg mL-1) decreased anthracnose disease incidence and lesion diameter. The efficacy rate of FM FCBR and FM MCBR treatments against anthracnose was 36.72 and 48.68%, respectively. Bioautography test was done on silica gel thin layer chromatogram. Methanol fraction of FCBR and MCBR were separated into 3 bioautographic spots respectively (Rf 0.04, 0.07, 0.7 for FM FCBR and Rf 0.06, 0.52, 0.7 for FM MCBR).

Identifikasi Infraspesifik Fusarium oxysporum asal Subtrat Nonpisang dan Kemampuan Pindah Inangnya ke Tanaman Pisang Gayuh Rahayu; Widodo Widodo; Ni Putu Winda Mahasari
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Infra-specific Identification of Fusarium oxysporum from Nonbanana Substrates and Its Ability to Move Hosts to Banana PlantsFusarium oxysporum has various life style, i.e. saprobe, endophyte and pathogen. Plant pathogenic F. oxysporum are divided into many forma specialis (f. sp.) depending on the host, for instance F. oxysporum f. sp. cubense (Foc), a causal agent of Panama disease of banana. The study aimed to determine the infraspecific identity of F. oxysporum from non-banana host and evaluate its ability to jump banana plants. Infraspecific identity was determined through a molecular approach using 3 specific primers to recognize TR4 race (TR4 F/R, TR4 F/R1, and FocSc-1/ FocSc-2), while the host’s transfer ability was tested on 2 banana cultivars namely cv. Ambon and Tanduk. Thirteen strain studied i.e IPBCC 88,012, IPBCC 07,528, IPBCC 07,561, IPBCC 08,562, IPBCC 08,568, IPBCC 10.674, IPBCC 14.1236, IPBCC 14.1237, IPBCC 14.1238 and IPBCC 14.1239 were TR4 Foc; IPBCC 07,338 and IPBCC 14.1242 are race Foc 4. The pathogenicity test of Foc IPBCC 88,012, 07,328, 08,561, 10,674 and 14.1236 derived from cucumbers, soil, agarwood sapwood, insect nests and quinine tree endophytes showed that these strains were able to move to banana plant. This shows that Foc may not host-specific and the infaspecific term forma specialis is therefore debatable.

Cover Jurnal Fitopatologi Vol. 15 No. 1, Januari 2019 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol 15 No 1 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Editorial ini berisi cover depan, halaman redaksi dan cover belakang Jurnal Fitopatologi Indonesia, Volume 15, No. 1, Januari 2019.

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