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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. 8 No. 1 (2012)" : 5 Documents clear

Pengaruh Empat Galur Bakteri Pemacu Pertumbuhan Tanaman dan Waktu Inokulasi Virus terhadap Keparahan Penyakit Daun Keriting Kuning Cabai Hari Priwiratama; Sri Hendrastuti Hidayat; Widodo .
Jurnal Fitopatologi Indonesia Vol. 8 No. 1 (2012)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Plant growth-promoting rhizobacteria (PGPR) has effectively reduced infection of pathogens. Bacillus polimixa BG25, B. subtilis SB3, Pseudomonas fluorescens PG01, P. fluorescens S32, and their combinations were used as seed treatment. Bemisia tabaci (Hemiptera: Aleyrodidae) was used to inoculate Geminivirus at 3, 5, and 6 weeks after planting. Seeds without any bacteria treatment were used as controlled plant. Treatment of PGPR and time of inoculation were significantly effect disease intensity, but not incubation period. Late infection of Geminivirus reduced disease intensity. Based on measurement of plant height, number of branch, and flowers it was concluded that some bacterial treatments was significantly effect plant growth. Key words: Bemisia tabaci, Geminivirus, PGPR, plant growth promoting rhizobacteria

Isolasi dan Identifikasi Secara Molekuler Ganoderma spp. yang Berasosiasi dengan Penyakit Busuk Pangkal Batang di Kelapa Sawit Maria Indah Purnamasari; Cahya Prihatna; Agustin Wydia Gunawan; Antonius Suwanto
Jurnal Fitopatologi Indonesia Vol. 8 No. 1 (2012)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

A number of Ganoderma spp. isolates was isolated from oil palms attacked by basal stem rot (BSR) disease in Padang and Pontianak plantations. Genetic polymorphism of these isolates was analyzed based on the internal transcribed spacer (ITS) sequence of ribosomal DNA region. In addition, a restriction fragment length polymorphism (RFLP) analysis was also performed to determine the association of the isolates with BSR disease. The isolated Ganoderma spp. showed high DNA polymorphism and there was no obvious genetic clustering of isolates that may correspond to their geographical position in Padang and Pontianak. This indicated that exchange of DNA between Ganoderma spp. infecting oil palm is not uncommon. This can be explained by the heterothallic nature of Ganoderma spp. in which DNA recombination occurs during sexual reproduction between different thalli. RFLP analysis showed that ITS fragments from all Ganoderma spp. isolates were digested with restriction enzymes MluI and SacI. This indicated that the anoderma spp. isolates were specific for oil palm and thus associated with the BSR.Key words: basal stem rot, Ganoderma spp., internal transcribed spacer, oil palm

Identifikasi Meloidogyne Penyebab Penyakit Umbi Bercabang pada Wortel di Dataran Tinggi Dieng Muhamad Taher; Supramana .; Gede Suastika
Jurnal Fitopatologi Indonesia Vol. 8 No. 1 (2012)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Branched tuber disease is a new problem on carrot cultivation in Indonesia. The disease may reduce the quantity and quality of the tubers and causing significant yield losses. Meloidogyne spp. has been identified as the primary cause of branched or forked disease of carrot in West Java. Similar disease was observed in carrot field in Dieng Plateau, Central Java. The study was conducted at three locations in the Dieng Plateau having different elevation. Nematode species identification was done by observing the perinneal pattern of 150 samples of female nematode and obtained four Meloidogyne species, namely M. arenaria, M. hapla, M. incognita, and M. javanica. All four species were found associated with branched tuber disease in three locations with M. incognita as a dominant species having prevalence levels of 50% to 58%.Key words: branched tuber disease, carrots, Meloidogyne, species identification

Preparasi RNA Virus Mosaik Bergaris dari Tanaman Tebu Menggunakan Metode Tabung PCR Tri Asmira Damayanti; Lilik Koesmihartono Putra
Jurnal Fitopatologi Indonesia Vol. 8 No. 1 (2012)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Sugarcane streak mosaic virus (SCSMV) is a new emerging virus infecting sugarcane in Indonesia. The virus can be found almost in every sugarcane plantations in Java and it was known as sett-borne virus. Attempt to get virus-free seedling meet difficulties due to lacking an easy, and accurate detection method. SCSMV antiserum is not available yet commercially. Nucleic acid detection by RT-PCR also hampered difficulties in releasing RNA virus from sugarcane tissues. Here we reported the simple direct tube method with minor modification as the convenient way to provide total RNA template from infected sugarcane leaf, stalk and sheath for RT-PCR detection of SCSMV.Key words: RNA extraction, RT-PCR, SCSMV, tube PCR

Penyakit Keriting Daun Pepaya yang Disebabkan oleh Cladosporium cladosporioides Widodo .; Suryo Wiyono
Jurnal Fitopatologi Indonesia Vol. 8 No. 1 (2012)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Leaf curling and chlorotic spot on young leaves of papaya type California was observed in Bogor, Kebumen, and Bekasi. Conidium of Cladosporium cladosporioides was found associated with diseased tissue based on microscopic examination. To our knowledge, this is the first report of C. cladosporioides causing papaya leaf curling in Indonesia. Key words: chlorotic, leaf curl disease, papaya disease, scab

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Jawa barat

INDONESIA