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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).

Arjuna Subject : -

Articles 412 Documents

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Kisaran Inang Cowpea mild mottle virus dan Respons Varietas Kedelai Mimi Sutrawati; Sri Hendrastuti Hidayat; Bonny Purnomo Wahyu Soekarno; Ali Nurmansyah; Gede Suastika
Jurnal Fitopatologi Indonesia Vol. 13 No. 6 (2017)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Cowpea mild mottle virus (CPMMV) is one of important virus which infects soybean and become an endemic disease since the first time reported in Java and Sumatra. Research was conducted to study the host range of CPMMV and to evaluate response of new type soybean varieties to CPMMV specific isolate. Host range study of CPMMV CR16 isolate was conducted by sap transmission method to 11 species of indicator plants, whereas evaluation of soybean response involved 10 varieties. The resistance response of soybean variety was based on incubation period, and of either the disease incidence or severity. Virus infection on test plants were confirmed by dot immunobinding assay (DIBA) using specific CPMMV antisera. The CPMMV CR16 isolate was able to infect systemically 8 plant species belongs to Leguminoceae, and Solancaeae; while the virus caused local infection on Amaranthaceae. All plant species infected systemically proved to become sources of inoculum for CPMMV when they used in back inoculation to soybean. Response of soybean varieties to CPMMV CR16 isolate can be categorized into susceptible (Detam 1, Detam 2, Detam 3, Anjasmoro, Wilis), moderated (Detam 4, Malika, Dena 1) and resistant (Argomulyo and Grobogan).

Kloning Gen Transcriptional Activator Protein dan Replication-Associated Protein dari Squash leaf curl China virus Penyebab Penyakit Daun Kuning pada Tanaman Mentimun Ni Nengah Putri Adnyani; I Dewa Made Putra Wiratama; I Gede Rai Maya Temaja; Sari Nurulita; Gede Suastika
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Yellow disease on Cucurbitaceae caused by Squash leaf curl China virus (SLCCNV; Begomovirus) is an important disease in many countries. Typical yellow leaf curl symptoms was found on cucumber in Tabanan, Bali. The objective of this research is to clone Transcriptional Activator Protein (TrAp) and Replication-Associated Protein (Rep) of SLCCNV Indonesian isolate. Universal primer for Begomovirus, i.e. SPG1/SPG2 was used to amplify DNA fragment of Begomovirus which cover the TrAp and Rep gene. The amplicon of ± 912 bp in size was then cloned into pTZ57R/T plasmid vector by TA-cloning method to obtain plasmid recombinant pTZ-SLCCNV. The plasmid recombinant was successfully confirmed by PCR colony and DNA sequencing. The nucleotide sequences analysis of plasmid recombinant showed highest homology (98%) of the corresponding gene to pumpkin isolate of SLCCNV from Malaysia.

Perlakuan Udara Panas untuk Pengendalian Perkecambahan Spora Tilletia indica pada Gandum Nurul Dwi Handayani; Taufan Tanto Setyawan; Salbiah Salbiah; Dono Wahyuno; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Karnal bunt of wheat (Triticum aestivum) caused by Tilletia indica is a major concern in international trade because it can degrade quality significantly, and it is a quarantine pest for Indonesia. Tilletia infected seeds can be the source of fungal inoculum of other areas. The current research was aimed to determine the effectiveness of temperature and exposure time to control Tilletia using air heat treatment without reducing the quality of grain. The experiments were conducted in vitro, initiated by seed testing, including morphology-based detection and identification of Tilletia followed by a viability test of the seed. Air heat treatment was performed by adjusting the oven temperature at 75, 80, 85 °C and 28 °C (control) for 4 and 6 hr exposure time, each with three replications. The results showed that air heat treatment of the wheat at 75 °C for 4 hr was able to suppress teliospores germination of 56.7–61.7%, without denature protein content of the wheat.

Metabolit Bakteri Endofit Asal Tanaman Kacang Tanah sebagai Penghambat Pertumbuhan Aspergillus flavus Nela Zahara; Bonny Poernomo Wahyu Soekarno; Abdul Munif
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

eanut (Arachis hypogeae) is considered as important crop in Indonesia and domestic demands to peanut tend to increase recently. Infection of fungal seedborne, Aspergillus flavus, may downgrade peanut seed quality. Research was conducted to evaluate the application of secondary metabolite produced by endophytic bacteria for controlling A. flavus. The methodologies involved isolation A. flavus and endophytic bacteria from the plant tissue of peanut, hypersensitive test of endophytic bacteria, inhibition test of endophytic bacteria against A. flavus, extraction and examination of secondary metabolite from endophytic bacteria, seed treatment using extracted secondary metabolite, and molecular identification of the bacteria. Based on hypersensitive test, 37 isolates of endophytic bacteria were identified as non pathogenic. Further screening by dual culture test found 3 isolates with high inhibition activity, i.e. BE2B2-1 (71.64%), BE2B2-2 (69.05%), and BE2B2-5 (62.25%). Molecular identification based on nucleotide sequencing of 16S rRNA showed that BE2B2-1, BE2B2-2, and BE2B2-5 were Enterobacter sp., Bacillus sp., and Acinetobacter sp., respectively. Metabolite from Enterobacter sp. has the highest antimicrobial activity (61.70%) against A. flavus in in vitro test, highest infection inhibition (77.22%) in growing-on test, and highest increasing of seed germination rate (4.25%). This finding indicated the potential of secondary metabolites from endophyte bacteria to suppress infestation of A. flavus.

Aktivitas Antagonis Bakteri Endofit Asal Mangrove terhadap Ralstonia solanacearum dan Meloidogyne spp. Muhammad Firdaus Oktafiyanto; Abdul Munif; Kikin Hamzah Mutaqin
Jurnal Fitopatologi Indonesia Vol 14 No 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

The main diseases of tomato caused by wilt bacteria (Ralstonia solanacearum) and root knot nematodes (Meloidogyne spp.) may cause significant yield losses and need to be managed. Recently, biocontrol approach especially using endophytic bacteria has been developed to control plant pathogens. This research was aimed to obtain endophytic bacteria from 2 species of mangrove, which effectively controlled root knot nematode and wilt bacteria. A total of 843 endophytic bacteria were successfully isolated from 2 species of mangroves. The bacteria isolates were further subjected for biosafety assay. The results of the test showed that 403 endophytic bacteria gave negative reaction in hypersensitive and hemolytic tests. Furthermore, 19 isolates effectively suppressed the growth R solanacearum and killed Meloidogyne in in vitro test. Physiological test showed that 14 and 11 isolates of the bacteria were able to produce protease and chitinase, respectively. This research provides a new information that endophytic bacteria from mangrove has a potency as a biocontrol agents.

Mikobiota pada Buah Pisang Kultivar Lampung untuk Pengendalian Hayati Fusarium semitectum Okky Setyawati Dharmaputra; Lisdar Idwan Sudirman; Evarini Anna Ratnaningsih
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Fusarium semitectum is a pathogenic fungus causing fruit rot of banana fruits. Biological control agents have been used as an alternative to control postharvest diseases. The objective of this study was to test antagonistic potential of mycobiota of banana fruits (Musa cuminata cultivar Lampung) against F. semitectum BIO 91055. The tested fungi were isolated from healthy banana cultivar Lampung collected from Gembrong market located in Bogor using serial dilution method, followed by pour plate method. Test of antagonism activity was carried out using dual culture method. Seventeen fungal isolates were isolated, they consisted of 14 filamentous fungal isolates and 3 yeast isolates. Four filamentous fungal isolates inhibited the growth of F. semitectum BIO 91055 more than 70%, they were Aspergillus niger, Cercosporella sp., Plectosphaerella sp., and Trichoderma hamatum. Three isolates (Cercosporella sp., Plectosphaerella sp., and Trichoderma hamatum) did not cause any diseases of banana fruits and they were considered as potential biocontrol agents.

Cover Jurnal Fitopatologi Vol. 14 No. 1, Januari 2018 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (768.228 KB)

DOI: http://dx.doi.org/10.14692/jfi.14.1.i

Deteksi dan Identifikasi Nematoda Aphelenchoides besseyi dari Benih Padi Rizky Mailani Rahman; Abdul Munif; Fitrianingrum Kurniawati
Jurnal Fitopatologi Indonesia Vol. 14 No. 2 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Detection and Identification of Aphelenchoides besseyi from Rice SeedsAphelenchoides besseyi is an important plant parasitic nematode on rice and causes yield loss up to 54%. The nematodes are able to survive for 8 months to 3 years after harvest and can be transmitted through seeds. The research was conducted to determine infestation of A. besseyi on seeds of five rice cultivars, namely Pak Tiwi 1, IR64, Ciherang, IPB 3S, and SL 8 SHS; and to identify A. besseyi by morphological and molecular techniques using polymerase chain reaction (PCR), and nucleotide sequensing. The nematodes were extracted from 5 g seeds of each cultivar by modified Baermann funnel method. Morphological identification was done by observing semipermanent slide of adult nematodes. Molecular identification by PCR used universal primers to amplify ITS rDNA followed by nucleotide sequencing. The result showed that A. besseyi were found on 5 rice cultivars in varies numbers. A. besseyi has specific morphological character, i.e. it has 2–4 mucro (tail tip) arranged in a star shaped that can be distinguished from other species. DNA fragments with approximately 830 bp in length was successfully amplified. Further nucleotide sequence analysis showed that A. besseyi Indonesia (isolate Pak Tiwi 1) had the higest homology level of 98.1% with A. besseyi isolat India Drr Ab 1 and Kolkata, 98.0% with India Hyderabad, 97.8% with China HB, 97.7% with Taiwan HW, and 97.5% with Cina AB11.

Cover Jurnal Fitopatologi Vol. 14 No. 2, Maret 2018 Editor Jurnal Fitopatologi Indonesia
Jurnal Fitopatologi Indonesia Vol. 14 No. 2 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.991 KB)

DOI: https://doi.org/10.14692/jfi.14.2.i

Penyakit Bercak Kuning Ubi Jalar di Bogor, Jawa Barat Anastasya Hondo; Kartika Catur Damaiyanti; Muhammad Fikri Hafizh; Niky Elfa Amanatillah; Tri Asmira Damayanti
Jurnal Fitopatologi Indonesia Vol. 14 No. 2 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Yellow Spot Disease on Sweet Potato in Bogor, West JavaYellow spot symptom on sweet potato red cultivar was observed in Cikarawang and Leweung kolot area, Bogor regency. Symptomatic leaf samples gave positive reaction in serological detection by DIBA method using polyclonal antiserum for Potyvirus. DNA fragment of ± 700 bp in length was successfully amplified by RT-PCR using degenerate primer for cylindrical inclusion gene (CI) of Potyvirus. Further nucleotide sequence analysis indicated high homology to Sweet potato feathery mottle virus (SPFMV). The homology of SPFMV Cikarawang (Crkw) isolate ranging from 89–98% to several isolates from other countries with the highest homology to Japan and Spain isolates. SPFMV Crkw isolate was in the same cluster with the Japan and Spain isolates based on phylogenetic analysis of both nucleotide and amino acid sequences. This is the first report of SPFMV on sweet potato in Bogor, West Java, Indonesia.

Page 21 of 42 | Total Record : 412

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