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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 4 (2014)" : 5 Documents clear

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.

Serangan Tribolium castaneum pada Beras di Penyimpanan dan Pengaruhnya terhadap Serangan Cendawan dan Susut Bobot Okky Setyawati Dharmaputra; Hariyadi Halid; Sunjaya Sunjaya
Jurnal Fitopatologi Indonesia Vol 10 No 4 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Tribolium castaneum is an important insect pest of stored milled rice in Indonesia. The effect of T. castaneum on fungal infection of stored milled rice was investigated together with moisture content and weight loss. Milled rice were placed in glass jars (250 g/jar) and infested with 5, 10, and 20 pairs of T. castaneum. As control, the jars contained only milled rice. Three replications were made for each treatment (including the control). The jars were stored in storage room for 1, 2, and 3 months. Moisture contents (based on wet weight) of milled rice were determined using the oven method. Fungi were isolated and enumerated using dilution plating, followed by pour plate method on Dichloran 18% Glycerol Agar (DG18). Weight loss (based on dry weight) was determined after 3 months of storage.The results showed, that the population of adult T. castaneum increased with the increase in the number of pairs of infested T. castaneum and storage duration. The moisture contents of milled rice were relatively constant during storage. It was assumed, that the moisture contents were more influenced by the environmental conditions rather than the occurrence of T. castaneum. Nineteen fungal species were isolated Aspergillus flavus and Penicillium citrinum were the dominant fungal species. Total fungal population decreased after 2 and 3 months of storage, with the increase in the number of pairs of infested T. castaneum. Weight loss increased with the increase in the number of pairs of infested T. castaneum. Based on weight loss of milled rice, the best storage duration was found when the number of pairs of T. castaneum was five pairs, the duration of storage was 1, 2 or 3 months of storage.

Aplikasi Trichoderma koningii dan Pseudomonas berfluoresensi untuk Pengendalian Penyakit Cabai di Minahasa, Sulawesi Utara Johanna Maartje Paath; Max Ratulangi
Jurnal Fitopatologi Indonesia Vol 10 No 4 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Major diseases on chili in Minahasa are bacterial wilt, anthracnose, and mosaic caused by virus infection. The objectives of this research were to evaluate the effectiveness of two microbes, Trichoderma koningii and fluorescent Pseudomonas, as biocontrol agents for major diseases of chili. Field experiment was conducted in Toure Village, Tompaso Baru, District of Minahasa. The treatments used were without biocontrol agents, T. koningii, fluorescent Pseudomanas, combination of T. koningii and fluorescent Pseudomanas. The results indicated that application of T. koningii, fluorescent Pseudomonas, and combination of the two biocontrol agents were only successfully suppressed incidence of bacterial wilt, but not of anthracnose nor mosaic diseases. Combination of the two biocontrol agents were able to improve yield of chili.

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