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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 5 Documents

Search results for , issue "Vol 10 No 1 (2014)" : 5 Documents clear

Pengendalian Penyakit Busuk Pangkal Batang Kelapa Sawit secara Kultur Teknis Hari Priwiratama; Agus Eko Prasetyo; Agus Susanto
Jurnal Fitopatologi Indonesia Vol 10 No 1 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Effort to manage basal stem rot disease (BSR) caused by Ganoderma boninense could be conducted through several cultural practice approaches. Four series of field experiments was conducted to observe the effectiveness of cultural practice methods for controlling the epidemic of basal stem rot due to G. boninense. Sanitation trial consisted of three treatments i.e root sanitation with big hole planting system, big hole without root sanitation, and standard replanting system as comparison. Hole in hole and standard planting system were compared in the hole in hole trial. Digging and mounding trial was conducted in four treatments, i.e. digging and mounding with teer and Trichoderma, digging and mounding with Trichoderma, mounding with Trichoderma, and infected palm without any treatment as comparison. Meanwhile, a 4 m × 4 m trench was used in the isolation trench trial. Annual observation was conducted to determine the disease incidence of BSR in each trial. Results showed that all methods could prevent palms from G. boninense infection in the early stage of oil palm development. Proper root sanitation delayed G. boninense infection until 2 years after treatment (YAT), hole in hole planting system was able to suppress disease incidence up to 7 YAT, digging and mounding was useful to prolong the life of the infected palms up to 3 YAT, meanwhile the use of isolation trench was demonstrated to prevent G. boninense infection to neighboring palms up to 2 YAT.

Pengelolaan Penyakit Kuning pada Tanaman Lada oleh Petani di Wilayah Bangka Abdul Munif; Ita Sulistiawati
Jurnal Fitopatologi Indonesia Vol 10 No 1 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Yellow disease caused by plant-parasitic nematodes are still a major problem on pepper production area in Bangka region. Significant yield losses occurred due to yellow disease. The objective of this research was to survey the yellow disease incidence and to study farmer’s knowledge, attitude and practices on the management of yellow disease of black pepper in Bangka district, Central Bangka and South Bangka. This study consisted of a survey of the incidence of yellow disease in the field and interviews to the farmers. The result showed that the yellow disease had infected nearly all of black pepper fields in the areas with incidence of as much as 20–60%. Almost all of the respondents reported that the yellow disease was the major disease of black pepper in Bangka region. Farmers’ level of knowledge about the causal of disease, symptoms, ecology and control methods of the yellow disease are still very limited. Various control measures have been done by farmers to combat the disease, especially by removing and burning the infected plants or by application of lime. A few farmers did not even controlling the disease. Pesticides have been used by a few farmers to control the yellow disease, but the application of pesticide does not in line with integrated pest management principles.

Sensitivitas Metode Serologi dan Polymerase Chain Reaction untuk Mendeteksi Bean Common Mosaic Potyvirus pada Kacang Panjang Sherli Anggraini; Sri Hendrastuti Hidayat
Jurnal Fitopatologi Indonesia Vol 10 No 1 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Mosaic disease in yard long bean is caused by Bean common mosaic potyvirus (BCMV) and has been reported to affect yield. Common method to detect infection of BCMV involves serological assay and polymerase chain reaction (PCR). The aims of this research is to assess the sensitivity of three methods, i.e. Indirect Enzym-Linked Immunosorbent Assay (I-ELISA), Dot Immunobinding Assay (DIBA), and reverse transcription (RT)-PCR as detection method for BCMV infection in yard long bean. Sensitivity level of the methods was evaluated by diluting plant extract and antisera for I-ELISA and DIBA, and cDNA as template in RT-PCR. Virus isolate from Cirebon was maintained in yard long bean in screenhouse and used for the assessment. Absorbance value of ELISA showed that dilution end point for I-ELISA was reached at 10-3 and 10-2 of plant extract and antisera dilution, respectively. Positive infection was still detected using DIBA when the plant extract was diluted up to 10-5 based on development of color intensity on nitrocellulose membrane. Specific viral DNA fragment was still amplified when cDNA was diluted up to 10-4, indicated higher sensitivity level of RT-PCR method.

Penapisan dan Identifikasi Bakteri Agens Biokontrol Penyakit Layu Fusarium Hasil Isolasi dari Rizosfer Pisang Dwi Agustiyani; Achirul Nditasari; Nur Laili; Sarjiya Antonius
Jurnal Fitopatologi Indonesia Vol 10 No 1 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Banana wilt disease caused by Fusarium oxysporum f.sp.cubense is considered as one of the most destructive diseases on banana plants in the tropical region. Biological control agents (BCA’s) have become a promising solution to overcome this disease. The objective of this study was to find potential BCA’s for wilt disease of banana plants. Bacteria and actinomycetes were isolated from banana’s rhizosphere in Lampung and Cianjur. As much as 64 actinomycetes and 142 bacteria isolates were obtained. Antagonistic test against F. oxysporum f. sp. cubense of those isolates showed that 21 bacteria and 10 actinomycete isolates have abilities to inhibit F. oxysporum f. sp. cubense. Actinomycetes showed relatively higher inhibition against F. oxysporum f. sp. cubense compared to bacteria. Isolates which have positive antagonistic activities against F. oxysporum f. sp. cubense were then tested for their protease, chitinase, and selulase activities qualitatively on specific medium. All actinomycetes which were tested had chitinase enzyme activities, while only 5 bacterial isolates had chitinase activities. On the other hand, 13 bacterial isolates showed protease activities and only 1 actinomycete showed protease activity. Two bacterial isolates (L.II.4.ND and L.A.I-5.DW) and 3 actinomycetes (L.A.I.DW, L.3.1.DW and Ci.I.A5.DW) which showed high inhibition against F. oxysporum f. sp. cubense and lyses enzymes activities were identified based on 16S rRNA genes. Analysis based on GenBank data, those isolates have 99% homology to Klebsiella pneumonia (L.II.4.ND), Burkholderia sp. (L.A.I-5.DW), Streptomyces sp. (L.A.I.DW), Streptomyces sp. (L.3.1.DW) and Streptomyces sp. (Ci.I.A5.DW).

Trichoderma spp. dan Penicillium spp. dari Tanah Rizosfer Lahan Rawa Lebak dalam Menginduksi Ketahanan Tanaman Cabai Terhadap Serangan Penyakit Rebah Kecambah Ahmad Muslim; Syahri Syahri; Harman Hamidson; Abdullah Salim
Jurnal Fitopatologi Indonesia Vol 10 No 1 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Soil microbes associated with rhizosphere are important for promoting plant growth and inducing resistance to diseases. The research was conducted to study the ability of Trichoderma spp. and Penicillium spp. isolated from rhizosphere in lowland swampy area for controlling damping-off disease caused by Rhizoctonia solani Khun. Trichoderma spp. and Penicillium spp. were cultured in bran, corn meal, and rice straw containing media and applied as inoculum to 2-weeks old seedlings. Application of two fungi isolates effectively induced resistance of chili plants to damping-off disease. Trichoderma spp. and Penicillium spp. were significantly reduced disease incidence by 61.5–100% to 46.2–100%, respectively and disease severity by 50–100% and 30–95.9%, respectively. This experiment showed the potential of Trichoderma spp. and Penicillium spp. as biocontrol agents to control damping-off disease on chili.

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