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Y. Andi Trisyono
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INDONESIA
Jurnal Perlindungan Tanaman Indonesia
Published by Universitas Gadjah Mada
ISSN : 14101637     EISSN : 25484788     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 9, No 2 (2003)" : 8 Documents clear
Pengujian Efektivitas Starter Jamur Beauveria bassiana terhadap Mortalitas Hypothenemus hampei Kusnadi Kusnadi; Yayan Sanjaya
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8226.489 KB) | DOI: 10.22146/jpti.12241

Abstract

An experiment concerning to the production of B. bassiana starter had been conducted to facilitate its use to the farmers. The production of starter was conducted by using maize rice mill as the growing medium of B. bassiana. To examine the effectiveness of the starter, it tested to H. hampei in vitro. The result showed that isolate of B. bassiana from Garut applied at 50 g/ml was the most effective to cause mortality of H. hampei. The percentage H. hampei mortality caused by this trial attained to 76 %.
Pengendalian Penyakit Layu Fusarium pada Pisang dengan Inokulasi Jamur Mikoriza Vesikular Arbuskular pada Bibit Suryanti Suryanti; Arif Wibowo; Christanti Sumardiyono
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (9375.633 KB) | DOI: 10.22146/jpti.12231

Abstract

Fusarium wilt disease caused by Fusarium oxysporum fsp. cubense is the most important and destructive disease on banana. The pathogen is soil-borne and can survive in soil without the occurence of the host. The Vesicular Arbuscular Mychorriza (VAM) is a symbiotic associated fungi and plant roots. The VAM which infected plant can induce the resistance to pathogen. Banana seedlings obtained from tissue culture one free from pathogen. The seedling was inoculated with VAM to induce the resistance to Fusarium wilt disease. The result showed that the seedling inoculated with VAM can reduce diseases intensity of Fusarium wilt on banana.
Peranan Asam Salisilat pada Interaksi Inang-Patogen Penyakit Kudis Ubijalar (Elsinoe batatas) Eko Agus Martanto; Christanti Sumardiyono; Haryono Semangun; Bambang Hadisutrisno
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12243

Abstract

The role of salicylic acid on host-pathogen interactions of sweet potato scab disease (E. batatas) was done by measuring (1) the level of resistance of sweet potato cultivars to scab disease, (2) salicylic acid content in sweet potato leaves before inoculation, 3 days, 6 days, and 9 days after inoculation, and (3) effect of salicylic acid to the germination of E. batatas conidia. The result showed that there were different responses of sweet potato cultivars to pathogens infection. Inoculation with E. batatas isolate from Wonosobo (WO2) showed resistant reaction on Muaratakus, moderate resistant on Cangkuang, moderate susceptible on Malothok, and susceptible on Mlg 12549. Resistant cultivar (Muaratakus) has higher salicylic acid content than moderate resistant (Cangkuang), moderate susceptible (Malothok), and susceptible cultivar (Mlg 12549). Salicylic acid inhibited germination of E. batatas conidia.
Seleksi, Karakterisasi, dan Reaktivitas Antibodi Monoklonal Virus Kerdil Kedelai Sri Sulandari; Y. B. Sumardiyono; Roechan M.
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12233

Abstract

Soybean Stunt Virus (SSV) is a member of Cucumber mosaic virus group that caused soybean stunt disease. The disease is the most important viral disease of soybean in Indonesia. The objective of the study was to obtain SSV monoclonal antibody for detection SSV in both infected seed and plant. Six hybridoma clones were obtained from fusion between spleen cells of BALB/c immunized with Soybean stunt virus and mouse myelome cell lines (NS-1); they were IgG3 type antibodies, and its titres were varied between 1: 1O to 1: 1OO. Using non-recoated I-ELISA method, the homolog antigen (SSV) was well detected but not the heterolog antigens (CMV isolated from banana, tobacco).
Pengaruh Minyak Atsiri Asal Kulit Jeruk Manis dan Besar terhadap Perkembangan Tungau Panonychus citri (Acarina: Tetranychidae) Mizu lstianto; Kasumbogo Untung; Y. Andi Trisyono; Triwibowo Yuwono
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12244

Abstract

P. citri (Acarina: Tetranychidae) is one of the economically important citrus pests in Indonesia. However, the association of this pest with its host is not well understood. The objective of this research was to evaluate the effects of essential oil extracted from sweet orange and pumello fruit peels on the development of P. citri. The research was conducted in the laboratory of IP2TP Tlekung Malang, using a complete random design consisted of six treatments. Fifteen mites were used for each treatment. The treatments were concentrations 10, 20, 40, and 80 ppm of essential oil. Parafin was used as a positive control because it was a diluting solution for the essential oil. The control received no application. The result showed that the main content of essential oil extracted from sweet orange and pumello was limonene. The essential oils prolonged the life cycle and reduced the fecundity of P. citri. The effects of essential oil extracted from pumello were found to be more pronounced than were from sweet orange. These differences might be due to the differences in the composition of the volatile compounds other than limonene.
Respon Kumbang Tribolium castaneum Herbst terhadap Umpan Berbasis Semiokimia Rostaman Rostaman; R. C. Hidayat Soesilohadi; Rurini Retnowati
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12236

Abstract

Monitoring of the red flour beetle (Tribolium castaneum Herbst) population by using semiochemical. based bait is important for supporting integrated pest management program. The baits were formulated succesfully using wheat bran as carrier and vegetable oils such as corn oil, soybean oil and palm oil as kairomone, and 4,8 dimethyl decanal. (DMD) as aggregation pheromone. The beetles responded to all baits both in laboratory and warehouse. The level of attractancy on bait loaded DMD is higher than others. Therefore loading of DMD is obligatory.
Incidence of Banana Bunchy Top Disease in West Java, Indonesia Endang Nurhayati
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12239

Abstract

Banana Bunchy Top Disease (BBTD) is the most economically important virus disease of bananas. The disease is widespread in Asia and South Pacific regions. In Indonesia, it was first reported in 1979 in the regency of Bandung in West Java, and now becoming widespread in several growing areas. A survey on disease incidence was conducted in five main banana growing districts in the provinces of West Java and Banten. BBTD was prevalent in four of five main banana growing districts with disease incidence varied from 0 to 38.6%. Most of the local cultivars grown was infected with various level of intensity. Cultivars Muli, Nangka, Raja, Kepok and Ambon were among the cultivars infected. ELISA confirmed that banana bunchy top virus is the causal pathogen and showed the relative susceptibility of the cultivars. Most of growers was not aware of the disease and tended to keep the infected banana. Some growers cut the infected pseudostem, but did not uproot the stem, allowing the disease to develop into the new plantings.
Effects of Metaldehyde and Niclosamide on the Behavior and Reproductive Capacity of Radix Quadrasi Von Moellendorf (Basommatophora: Lymnaeidae) Bambang Retnoaji
Jurnal Perlindungan Tanaman Indonesia Vol 9, No 2 (2003)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.12230

Abstract

The effects of molluscicides exposure, metaldehyde and niclosamide, on the behavior and reproductive capacity of Radix quadrasi was studied under laboratory conditions. R quadrasi were exposed to different concentration-rates of niclosamide: 0, 0.045, 0.058 and 0.075 mg/L, and of metaldehyde: 0, 100, 112 and 130 mg/L. The symptoms of poisoning of treated snails were observed closely throughout the duration of the experiment. Observations were made three times: at the beginning of treatment (0 hour), 12 hours, and 24 hours after exposure. The surviving R. quadrasi were maintained for one month to determine their reproductive capacity. Results indicated that there was immediate reaction of the snails to molluscicide exposure. Lower concentration-rates of molluscicide triggered water-leaving behavior. Such behavior occurred in all of the low and medium concentration-rates of niclosamide and metaldehyde, as well as in some snails from the control group. By contrast, higher concentration-rates caused almost instantaneous immobility. Niclosamide and metaldehyde also significantly reduced the reproductive capacity of R. quadrasi. The number of egg masses and eggs laid varied with the treatments. However, the incubation period of the treated eggs was not statistically different from the treated ones. This study showed that both niclosamide and metaldehyde significantly affected the behavior and reproductive capacity of the R. quadrasi. Between the two molluscicides used in this experiment, niclosamide was more toxic than metaldehyde.

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