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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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Morfologi dan Morfometri Nematoda Sista Kentang (Globodera spp.) Asal Dataran Tinggi Dieng, Jawa Tengah Auliya Selamet; Supramana Supramana; Meity Suradji Sinaga; Ali Nurmansyah; Kikin Hamzah Mutaqin
Jurnal Fitopatologi Indonesia Vol 15 No 2 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

The Morphology and Morphometry of Potato Cyst Nematodes (Globodera spp.) from Dataran Tinggi Dieng, Central JavaIn Indonesia, the potato cyst nematode (PCN) was first reported in 2003, at potato plantation in Batu, East Java. Golden cyst (Globodera rostochiensis) was detected in Bandung, West Java; Banjarnegara, Central Java; Batu, East Java; and Gowa, South Sulawesi, whereas the pale cyst (G. pallida) has been reported at limited distribution in Dataran Tinggi Dieng (Central Java). The aim of this research was to identify the Globodera species of Dataran Tinggi Dieng based on morphological and morphometrical methods. Soil samples were collected from Dieng plateau at 30 selected potato plantations ranging from 1 100 – 2 100 m above sea level. The identification of PCN was done by observing the morphological and morphometrical key characters of cysts and second juveniles (J2). Two species of Globodera, that are G. rostochiensis and G. pallida, were identified from soil samples. The key characters of G. pallida including distinct forward projection of J2 stylet knob, granek’s ratio value less than 3, and number of cuticular ridges between vulval basin and anus are less than 12 were identified. There were 25 specimens that having granek’s ratio less than 3, and 10 specimens having cuticular ridges number less than 12. G. rostochiensis which has the shape of a stylet knob protrudes posteriorly and the value of the granek’s ratio greater than 3.5 was identified in 30 specimens.

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.

Insidensi Virus dan Cendawan pada Biji dan Umbi Bawang Merah Ana Septiana Saputri; Efi Toding Tondok; Sri Hendrastuti Hidayat
Jurnal Fitopatologi Indonesia Vol 14 No 6 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Incidence of Viruses and Fungi on True Shallot Seed and Shallot Bulb Shallot is an important vegetable in Indonesia. Shallot farmers generally use bulbs as planting material even though there is an option to use true shallot seed (TSS). One important criteria for a good seed quality as planting material is pathogen free. Research was conducted to detect and identify viruses and fungi from TSS and shallot seed bulbs cultivars Bima, Bauji, Thailand, and Tuk-Tuk. Virus detection was carried out by DIBA (dot immunobinding assay) method using specific antiserum to OYDV, SLV, SYSV, and GCLV. Detection and identification of fungi was carried out by blotter test method and polymerase chain reaction. Infection of OYDV, GCLV, SYSV, and SLV were only detected in shallot bulbs with infection rates ranging from 66% to 100%. Four species of fungi were detected in TSS and bulbs, i.e. Aspergillus niger, A.flavus, F. solani, and Rhizopus sp; whereas F.oxysporum was only found in bulbs. All isolates of F. oxysporum was pathogenic and cause disease incidence up to 55%. Pathogenic isolate of F. oxysporum had 100% homology to those isolate from China and USA on the spesies level and 91.2% to those isolate from India and USA to the forma spesies level.

Simulasi Sebaran Penyakit Blas Pada Tanaman Padi Menggunakan Model Spatial Multi Criteria Evaluation: Studi Kasus Kabupaten Karawang dan Purwakarta Busyairi Latiful Ashar; Ali Nurmansyah; Widodo Widodo
Jurnal Fitopatologi Indonesia Vol 15 No 2 (2019)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Dispersal Simulation of Rice Blast Disease Using Spatial Multi Criteria Evalution Model: Case Study In District of Karawang and PurwakartaRice blast is caused by Pyricularia oryzae. The potential epidemic of this disease can be spatially simulated using the MCA (Multi Criteria Analysis) method based on geographical characteristics, cultivation practices, and eviromental condition. A software that can be used for MCA is SMCE (Spatial Multi Criteria Evaluation). This study was aimed to predict the spatial dispersal of blast disease using SMCE model, and identify the factors that supports the epidemic. The study was conducted in February - August 2018 in Karawang and Purwakarta District. The research methods include observing the severity of blast disease, cultivation practices and environmental conditions, and analyzing SMCE. The SMCE analysis uses rice crop maps from the Sistem Monitoring Pertanaman Padi (Simotandi), which consists of grouping factors, standardizing factors, and weighting factors. The SMCE results are a simulation map of blast disease dispersal which is then compiled with predictions of its severity. Accuracy of prediction results was evaluated by MAPE (Mean Absolute Percentage Error) based on observational data on actual disease severity. The prediction results for Karawang and Purwakarta showed means of accuration 78.16% and 73.95% respectively. In general, factors that have a strong influence on the development of blast disease include altitude, distance from source of the epidemic, history of disease in the fields, number of spores (inoculum) trapped, irrigation quality, application of herbicides, soil nutrient (N, P, K) contents and the level of soil acidity.

Pengaruh Beberapa Khamir Antagonis terhadap Penyakit Antraknosa dan Umur Simpan pada Buah Mangga Riana Jumawati; Roedhy Poerwanto; Suryo Wiyono; Ketty Suketi
Jurnal Fitopatologi Indonesia Vol 14 No 5 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Effect of Various Yeasts Antagonists on Anthracnose Disease and the Shelf Life of MangoPostharvest decay on mango may occur due to physiological damage and/or postharvest disease especially anthracnose. This postharvest decay may decrease the quality of mango fruit. The use of antagonists yeast as biocontrol agent is an alternative control measure for postharvest diseases of fruits. This study aimed to screen yeast species as biological control agents and in the same time delaying the maturity of fruits to extend its shelf life. Six isolates of yeasts were evaluated, namely Cryptococcus albidus, Cryptococcus terreus, Aureobasidium pullulans, Rhodotorula minuta, Candida tropicalis, Pseoudozyma hubeiensis); fungicides treatment using azoksistrobin was applied for comparative treatment. The study was conducted at two temperature conditions, namely room temperature and 15 ° C. It was evidenced that C. albidus, A. pullulans, and C. tropicalis were effective to control anthracnose disease on mango under both temperatures. Furthermore, C. tropicalis and A. pullulans were able to extend manggo shelf life for 21 days at room temperature and for 54 days at 15 °C, respectively.

Pertumbuhan dan Perkembangan Bibit Akor yang Diinokulasi Bakteri Patogen Terbawa Benih Tati Suharti; Triwidodo Arwiyanto; Tri Joko
Jurnal Fitopatologi Indonesia Vol 14 No 5 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Growth and Development of Inoculated in Northern Black Wattle Seedling with Seed Borne Bacterial PathogensNorthern black wattle (Acacia auriculiformis) is a fast growing species that has multipurpose benefits such as pulpwood, solid wood, firewood, charcoal and pellet. Seed-borne bacterial pathogens were reported to reduce seed germination and seedling growth. The objective of this study was to evaluate effect of seed borne bacterial pathogen of A. auriculiformis on seed germination and 12 weeks-old seedling growth. Bacterial seed inoculation was performed by soaking the seed into respective bacterial suspension for 2 hours. The tested bacteria were Acinetobacter sp., Alcaligenes faecalis, Burkholderia cepacia complex, Escherichia hermannii, Paenochrobactrum sp., Pseudomonas stutzeri, Ralstonia sp., and Salmonella bongori. The results showed that all tested bacteria could reduce seed germination, but those does not affect seedling growth significantly. All tested bacteria excluding Acinetobacter sp. could inhibit seedling growth and development.

Keragaman Cendawan Pascapanen pada Umbi Bawang Merah Varietas Bima Brebes Okky Setyawati Dharmaputra; Sri Listiyowati; Ira Zahara Nurwulansari
Jurnal Fitopatologi Indonesia Vol 14 No 5 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Diversity of Postharvest Fungi on Shallot Bulbs Variety Bima BrebesIn Indonesia, shallot (Allium ascalonicum) is horticultural main commodity after hot pepper. Significant yield losses can be caused by postharvest fungi infection. Research on the diversity of postharvest fungi on shallot bulbs has been conducted in some countries, unfortunately little is done in Indonesia. The study was aimed to obtain information on the diversity of postharvest fungi infecting shallot bulbs variety Bima Brebes from several traditional markets in Bogor City. Shallot bulbs were collected in January and February 2016. The study consisted of fungal isolation from shallot bulbs, fungal pathogenicity test, and identification of pathogenic fungi based on morphological and molecular characteristics. Morphology identification was based on the color of fungal colony, growth pattern, as well as somatic and reproduction structures. Several species of pathogenic fungi were successfully identified from shallot bulbs i.e. Alternaria alternata, Aspergillus niger, Colletotrichum gloeosporioides species complex, Fusarium fujikuroi species complex, F. oxysporum, F. solani, Penicillium citrinum and P. pinophilum. Among these fungi, the highest pathogenicity was shown by C. gloeosporioides species complex.

Cover Jurnal Fitopatologi Vol. 14 No. 5, September 2018 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol 14 No 5 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

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DOI: http://dx.doi.org/10.14692/jfi.14.5.i

Trichoderma dan Gliocladium untuk Mengendalikan Penyakit Busuk Akar Fusarium pada Bibit Kelapa Sawit Siti Juariyah; Efi Toding Tondok; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol 14 No 6 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Trichoderma and Gliocladium for Controling Fusarium Root Rot Disease of Oil Palm SeedlingsFusarium spp. have been reported as the causal agent of common spear rot and crown rot diseases on oil palm. An effective strategy to control these diseases is not available yet. This research was aimed to find biocontrol agents for effective control of crown rot disease on oil palm seedlings caused by Fusarium spp. The experiment consisted of 3 parts i.e. pathogenicity test of 3 isolates of Fusarium, identification and in vitro test of biocontrol agents, and in planta test of biocontrol agents against Fusarium spp. In vitro test was done through dual culture test and test for volatile compound produced by the biocontrol agents. In planta test was conducted through inoculation of Fusarium spp. into oil palm seedlings growing on medium containing selected biocontrol agents i.e. Trichoderma harzianum, T. virens, T. inhamatum, and Gliocladium fimbriatum. In vitro test showed that Gliocladium fimbriatum 1 and 2 were inhibited effectively the growth of Fusarium spp. on the dual culture test, whereas T. harzianum Gadingrejo 2 was inhibited effectively the growth of Fusarium spp. on volatile compound test. The application of biocontrol agents was effective to protect oil palm seedlings from Fusarium spp. infection.

Page 23 of 42 | Total Record : 412

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