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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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Evaluasi Trichoderma dalam Mengendalikan Penyakit Rebah Kecambah Tanaman Cabai Ahmad Muslim; Komar Palimanan; Harman Hamidson; Abdullah Salim; Nirwati Anwar
Jurnal Fitopatologi Indonesia Vol 10 No 3 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Damping-off disease is commonly occurred in chili pepper field and always caused significant effect on chili production. This experiment was conducted to determine the ability of 14 isolates of Trichoderma isolated from lowland swampy area in South Sumatera against damping-off disease. The result showed that treatment of Trichoderma significantly inhibited damping-off disease caused by Rhizoctonia solani. Treatment of Trichoderma effectively reduced the percentage of pre-emergence damping-off, post-emergence damping-off, and disease severity by 51.8–100%, 80–100%, and 51.90–96.96%, respectively. The treatment was also capable to increase percentage of height and fresh weight of chili pepper seedling, i.e. 45.45–64.37% and 37.78–81.19%, respectively.

Interaksi antara Bakteri Endofit dan Bakteri Perakaran Pemacu Pertumbuhan Tanaman dalam Menekan Penyakit Layu Bakteri pada Tomat Abdjad Asih Nawangsih; Fitri Fatma Wardani
Jurnal Fitopatologi Indonesia Vol 10 No 5 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

One of the factors affected production of tomato is the incidence of bacterial wilt disease caused by Ralstonia solanacearum. An alternative control to manage the disease which is environmentally friendly is the use of biocontrol agents. Application of endophytic bacteria (Staphylococcus epidermidis BC4) and plant growth promoting rhizobacteria (Pseudomonas fluorescens RH4003 and Bacillus subtilis AB89) as biocontrol of tomato bacterial wilt was expected to be an alternative method. The objective of this study is to evaluate the interaction among endophytic bacteria and PGPR to suppress the development of bacterial wilt disease (R. solanacearum) and promoting the growth of tomato. Bacterial treatment which caused the highest suppression on disease incidence was single application of P. fluorescens RH4003. Disease index caused by S. epidermidis BC4 and P. fluorescens RH4003 applied individually was up to 41.18 dan 45.88%, respectively. Interaction between the endophytic bacteria and both of the PGPRs were antagonistic.

Efisiensi Tular Benih Squash mosaic virus pada Cucurbitaceae Susanti Mugi Lestari; Endang Nurhayati
Jurnal Fitopatologi Indonesia Vol 10 No 3 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Infection of viruses on Cucurbitaceae may cause high yield and economic losses. Squash mosaic virus is a seed borne virus and among the most important virus infecting Cucurbitaceae. The aims of these research was to detect infection of several viruses on Cucurbitaceae and to examine seed transmission efficiency of SqMV. Detection of Cucumber mosaic virus (CMV), Squash mosaic virus (SqMV), Watermelon mosaic virus-2 (WMV-2), Zucchini yellow mosaic virus (ZYMV), and Tobacco ringspot virus (TRSV) from field samples and seeds was conducted using Indirect-ELISA method. Infection of CMV, SqMV and ZYMV was detected from field samples. Seed transmission of SqMV on commercial seeds of bottle gourd, watermelon, zucchini, cabocha, cucumber, and melon was 13, 13, 33, 73, 100, and 100%, respectively. Seed transmission of ZYMV was only occurred on bottle gourd and zucchini, i.e. 13.3% and 26.67%, respectively. Infection of SqMV through F2 seed was determined from cucumber, bottle gourd, and melon, i.e. 93, 100, and 100%, respectively. Therefore, the status of SqMV as quarantine pest should be evaluated since SqMV was already found in West Java.

Pengendalian Penyakit Busuk Buah Phytophthora pada Kakao dengan Cendawan Endofit Trichoderma asperellum Andi Akbar Hakkar; Ade Rosmana; Muhammad Danial Rahim
Jurnal Fitopatologi Indonesia Vol 10 No 5 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

The Phytophthora pod rot (PPR) caused by Phytophthora palmivora is one of important diseases affecting the decrease of cacao productivity. The use of endophytic Trichoderma have a big potential for controlling this disease. The rate of PPR incidence in twelve weeks after three times application by spraying of ART-4/G.J.S 09-1559 isolate of Trichoderma asperellum with concentration of 1 g L-1, 2 g L-1, 4 g L-1 was 5.4%, 5.3%, and 3.7%, respectively per week; while the rate of PPR incidence on control was 8.4% per week. Apparently healthy pods pretreated with above concentrations of T. asperellum in field showed 30, 0, and 0% infested by PPR on its surface, respectively after one week incubation in laboratory, compared to a 90% of surface infestation by PPR on control. After 12 week of inoculation, T. asperellum was recovered from pod tissue. This data demonstrated the potential of T. asperellum as bio control agent of PPR disease on cacao.

Identifikasi Carmovirus pada Tanaman Anyelir melalui Teknik Reverse Transcription-Polymerase Chain Reaction dan Analisis Sikuen Nukleotida Rizki Haerunisa; Erniawati Diningsih; Gede Suastika
Jurnal Fitopatologi Indonesia Vol 10 No 3 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Mottle disease of carnation (Dianthus caryophyllus) was observed in cultivation areas in Cianjur and Bandung, West Java. This study aimed to identify the virus causing leaf mottling on carnation using reverse transcription-polymerase chain reaction (RT-PCR) method and nucleotide sequence analysis. Fragment DNA of 1000 bp was successfully amplified using specific primers for coat protein of Carmovirus (BC57/BC58). Direct sequencing was proceeded using PCR products. Nucleotide sequence analysis confirmed the infection of Carnation mottle virus (CarMV) from leaves showing mottle symptom. Furthermore, phylogenetic analysis showed that CarMV isolates from Indonesia have close relationship with those from Brazil, Israel, Iran, India, Netherland, and Spain.

Identifikasi Penyebab Penyakit Busuk Pangkal Batang pada Jeruk Eka Retnosari; Julinda Bendalina Dengga Henuk; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol 10 No 3 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

One major disease of citrus is basal stem rot which may cause significant constraint on citrus production in Indonesia. Research was initiated to identify the causal agent of basal stem rot disease from 11 citrus growing areas in Indonesia. Identification of fungal pathogens was based on macroscopic and microscopic observation of morphological characters. Koch Postulate was conducted to confirm the causal agent of the disease. Two fungal pathogens, Botryodiplodia theobromae, and Phytophthora citrophthora were found associated with basal stem rot disease. B. theobromaewere isolated from all plant samples, whereas P. citrophthorawas only isolated on samples from Soe (East Nusa Tenggara). Characteristic symptoms of basal stem rot disease was developed on plants inoculated with B. theobromae and P. citrophthora; this confirmed that two fungal isolates was the causal agent of basal stem rot disease.

KOMUNIKASI SINGKAT: Penyakit Keriting Pada Tanaman Pepaya Di Bogor Maria Ulfa Putri Yoeshinda; Widodo Widodo
Jurnal Fitopatologi Indonesia Vol 10 No 3 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Papaya is widely grown and consumed in Indonesia as a favorite fruit. Since 2011, a new disease was reported in Bogor, i.e. leaf curl disease caused by Cladosporium cladosporioides.Therefore, a survey was conducted in Bogor to determine the status of leaf curl disease of papaya and to identify some agricultural practices that may affect disease development. Based on field observation conducted in Bogor, subdistricts Rancabungur and Sukaraja, it was evidenced that leaf curl disease has been widely spread, with disease incidence reached 87 % and 96%, respectively and disease severity in both areas reached 24–28%. Although disease severity was not different, disease incidence was generally lower in papaya field cultivating var. Caliporan (medium type fruit)or in monoculture cropping system compared to those cultivating var. Bangkok (large type fruit) or multiple cropping system. Other cultivated practices did not seem to cause significant effect on disease incidence and severity.

Pengendalian Penyakit Busuk Pangkal Batang Lada dengan Ekstrak Pinang, Gambir, Sirih, dan Kapur Sirih Dedek Kusvianti; Widodo Widodo; Djoko Prijono
Jurnal Fitopatologi Indonesia Vol 10 No 4 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Pepper is an important commodity in Indonesia due to its export value. Infection of Phytophthora capsici causing stem rot disease is very critical for the production of pepper plants. Research was conducted to evaluate the efficiency of extracts of areca, gambir, betle, and lime paste for controlling stem rot disease. In vitro and in vivo experiments was designed to evaluate 2 factors, i.e. type and concentration of extracts. In vitro experiment was conducted by growing 4 day old and 5 mm in diameter of P. capsici isolate on V8 media containing the extracts tested. In vivo experiment was done by dipping pepper leaves on the extracts, followed by dropping zoospores of P. capsici on underneath of leaf surface. Mixture of 4 extracts (areca + gambir + betel + lime paste) of 0.005% and 0.01%; and areca extract of 0.04% was able to inhibit the growth of P. capsici colonies effectively in vitro. Similarly, mixture of 4 extracts of 0.01% effectively suppressed disease severity in vivo with equal effect with those of propineb fungicide of 0.2%.

Respons Lima Varietas Kacang Panjang terhadap Bean common mosaic virus Harwan Susetio; Sri Hendrastuti Hidayat
Jurnal Fitopatologi Indonesia Vol 10 No 4 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Incidence of yellow mosaic disease on yard long bean occurred widely in some areas in West and Central Java in 2008–2009. The causal agent of this disease is Bean common mosaic virus (BCMV) which can be transmitted through seed and aphids. Research was conducted to determine response of five varieties of yard long bean (Vigna sinensis), i.e. Parade, New Jaliteng, Long Silk, Super Sainan, and Pilar to BCMV infection. Yard long bean plants was inoculated by BCMV mechanically, followed by observation of disease incidence and severity, incubation period, flowering time, and yield. All five varieties of yard long bean showed susceptible response to BCMV infection. Incubation period was 6–16 days, disease incidence was 90–100%, and disease severity was 49.1–69.7%. BCMV infection caused severe symptoms of leaf malformation and plant stunting. Flowering time was delayed 2–5 days on infected plants and yield was decreased up to 46.6%. Breeding program to develop resistance varieties to BCMV is necessary.

Perkembangan Penyakit Hawar Daun Bakteri pada Tiga Varietas Padi Sawah yang Diinokulasi pada Beberapa Fase Pertumbuhan Andi Khaeruni; Muhammad Taufik; Teguh Wijayanto; Eko Aprianto Johan
Jurnal Fitopatologi Indonesia Vol 10 No 4 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Bacterial leaf blight is an important disease of rice plant and could damage up to 50%. This study aimed to evaluate development of the bacterial leaf blight disease on three rice varieties which inoculated at various growth stage. The results of this study showed that IR64 variety which inoculated at seedling stage has shortest incubation period as well as disease severity i.e. 4.25 day after inoculation and 90%, respectively, while Cisantana variety which inoculated at generative stage showed the lowest of disease severity (< 40%). The highest number of panicles obtained on without inoculation treatment i.e an average of 10 panicles. Therefore growth stage and rice variety influenced to bacterial leaf blight disease development, the younger the plant infected, the faster the progression of the bacterial leaf disease. IR64 variety is highly susceptible to bacterial leaf blight disease.

Page 8 of 42 | Total Record : 412

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