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INDONESIA
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Published by Universitas Lampung
ISSN : 14117525     EISSN : 24610399     DOI : -
Core Subject : Agriculture,
Jurnal Hama dan Penyakit Tropika (JHPT Tropika) publishes articles in plant pests, plant pathogens, plant damage caused by those pests and pathogens and or their management in tropical areas. In addition to basic and applied research papers, JHPT Tropika publishes short communication that have not been published. Before being accepted for publication, all manuscripts must be peer reviewed. The journal is published sixmonthly in March and September.
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Articles 521 Documents
Peningkatan Ketahanan Tanaman Pisang Barangan terhadap Blood Disease Bacterium (BDB) dengan Aplikasi Fungi Mikoriza Arbuskular Indigenus . Suswati; Nasir Najril; . Azwana
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 13 No. 1 (2013): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (153.366 KB) | DOI: 10.23960/j.hptt.11396-104

Abstract

Increase resistence of barangan banana blood disease bacterium using Indigenus arbuscular mycorhizae fungi. Blood disease caused by Blood disease bacterium (BDB) is the major cause of production loss of banana in Indonesia. There is currently a lack of information about the application of indigenous Arbuscular mycorrhizal fungi (AMF) to increase the Barangan banana resistance to BDB. A greenhouse experiment was conducted to evaluate the increase resistance Barangan banana to 3 (three) types of AMF (Glomus type-1; Acaulospora type-4 and Glomus fasciculatum) and control (without AMF) with 3 replicates. Barangan banana plantlet were inoculated with 50 g fresh AMF inoculants and at 14 days after acclimating have transplanted to soil contaminated BDB. Observation on the Barangan banana seedlings was done after 5-60 days after application included percentage disease, severity disease, incubation periode, BDB population in rhizosfer and AMF percentage root colonization. The result indicated that AMF increased Barangan banana resistance to BDB. Glomus type-1 and G. fasciculatum increased banana resistance by 100% while Acaulospora type-4 takes 66.67% and control none. The disease severity with Acaulospora tipe-4 is 6% lower than controls (32.6%). The highest suppression level was found in 2 isolates of Glomus application was 100% and was followed Acaulospora type-4 is 81.59%. The low intensity of on FMA indigenous treatment applications related to the incubation period and BDB density in rhizosphere of plant roots. The incubation period in mychorized plants has longer 30 dap than controls (10 dap).
MANIPULASI CAHAYA UNTUK MENURUNKAN KELIMPAHAN NEMATODA PARASIT TUMBUHAN PADA Pembibitan KOPI I Gede Swibawa, Dwisyah Putra, F.X. Susilo, Kurniatun Hairiah & Didik Suprayogo.
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 10 No. 1 (2010): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (125.121 KB) | DOI: 10.23960/j.hptt.11020-28

Abstract

Light manipulation to reduce the plant parasitic nematodes abundance on coffee nursery. Plant parasitic nematode problem on monoculture coffee can be caused not only by the suitable hosts but also by the environmental changes, such as soil water content and soil temperature. A semi-field experiment was conducted in Sumberjaya, West Lampung on May-September 2007 with the aim to study the effect of shading levels and fertilizer levels of coffee nursery on plant parasitic nematodes abundance. The results showed that the shading level treatment on coffee nursery significantly affected the abundance of plant parasitic nematodes but did not affect the free-living nematode abundance. The relationship between the plant parasitic nematode abundance with the shading level is polynomial with the highest nematode abundance (500 individual/300 ml of soil) was under 40% shading level. The increase in shading level indirectly affected the increase in plant parasitic nematode abundance through the increas in of soil water content. Inorganic N, P and K fertilizer at the recommended level for coffee nursery increased the abundance of plant parasitic nematodes from 216 to 282 individual/300 ml of soil. The interaction between the shading level and fertilizer did not significantly affect the plant parasitic nematode abundance.
KOMPATIBILITAS CENDAWAN ENTOMOPATOGEN BEAUVERIA BASSIANA (BALS) VUILL (DEUTEROMYCOTINA: HYPHOMYCETES) DENGAN MINYAK SERAI WANGI . Trizelia; Rusdi Rusli
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 12 No. 1 (2012): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (68.962 KB) | DOI: 10.23960/j.hptt.11278-84

Abstract

Entomopathogenic fungi such as Beauveria bassiana are important natural control agents of many insects and can be potentially used as a bioinsecticide against several pests. Other potential source of bioinsecticide is certain plants such as fragrant lemongrass oil. The in vitro compatibility of the entomopathogenic fungus B. bassiana and fragrant lemongrass oil was evaluated. Fragrant lemongrass oil was tested in three different concentrations (0.1, 0.3 and 0.5%). Fragrant lemongrass oil was diluted in the steril SDAY medium at the different concentrations. Effects of these concentrations on conidia germination, colony growth and sporulation were compared. Fragrant lemongrass oil affected conidial germination, colony growth and sporulation of B. bassiana. Fragrant lemongrass oil was not compatible with the entomopathogenic fungus B. bassiana.
KEMELIMPAHAN DAN KERAGAMAN JENIS PARASITOID HAMA PENGGULUNG DAUN PISANG ERIONOTA THRAX L. DI KABUPATEN LAMPUNG SELATAN Lestari Wibowo; Indriyati .; Purnomo .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 15 No. 1 (2015): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.178 KB) | DOI: 10.23960/j.hptt.11526-32

Abstract

The abundance and diversity of the parasitoid of banana leaf skipper pest (Erionota thrax L.) in South Lampung Regency. This research was conducted to determine the abundance, diversity, and parasitation ability of several parasitoids of the banana skipper or banana leafroller (Erionota thrax) in South Lampung Regency. This research was carried out with a survey method by taking out samples of larvae and pupae of E. thrax in the District of Natar, Jati Agung, and Tanjung Bintang, South Lampung. Results of the survey showed that there were 8 types of parasitoids recovered from larvae or pupae of E. thrax, i.e. Brachymeria lasus (Chalcididae: Hymenoptera), B. thracis (Chalcididae: Hymenoptera), Charops sp. (Ichneumonidae: Hymenoptera), Casinaria sp. (Ichneumonidae: Hymenoptera), Xanthopimpla sp. (Ichneumonidae: Hymenoptera), Cotesia erionotae (Braconidae: Hymenoptera), and two parasitoids Diptera (Tachinidae and Sarcophagidae). The highest abundance of parasitoid was found in Tanjung Bintang with 171 parasitoids (index of diversity (H’) = 1.0256 and index of evenness (E) = 0.5724). In Natar District, the abundance of parasitoid was 63 parasitoids, but it had a greater H’ value (1.4396) and E-value (0.7398). Meanwhile, in Jati Agung District, the abundance of parasitoid was 56 individuals but the value of H’ was also high, which was 1.012 with the value of E of 0.6064. The percentages of parasitation to the larvae and pupae E. thrax were 55.01% (Tanjung Bintang District), 31.68% (Natar District) and 33.34% (Jati Agung District).
PENYEBARAN DAN DETEKSI MOLEKULER VIRUS GEMINI PENYEBAB PENYAKIT KUNING PADA TANAMAN CABAI DI SUMATERA Sudiono, Nur Yasin, Sri Hendrastuti Hidayat dan Purnama Hidayat
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 5 No. 2 (2005): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.07 KB) | DOI: 10.23960/j.hptt.25113-121

Abstract

The distribution and molecular detection of geminivirus pathogen of chilli yellowing disease in Sumatera lsland. The objective of this research was to investigate the spread and to detect geminivirus in Sumatra Island. The method is survey infected of plants in Province of Lampung, South Sumatra, Bengkulu, Jambi, West Sumatra, and North Sumatra was used to detection of geminivirus from collected chilli plants by PCR (polymerase reaction chain) technique. The result showed that based on typical symptoms and molecular detection of collected sample from Lampung, South Sumatera, and North Sumatera were infected by geminivirus. The type symptoms were turning yellowing, curling, and stunting. Occurrence of disease accidents were for Province of Lampung 0 - 100%, South Sumatra 20 - 60%, Bengkulu 0 - 40%, Jambi 0 - 5%, West Sumatra 0 - 5% and North Sumatra 0 – 80%, while sample Province of Jambi and of West Sumtera were not infected by geminivirus based on symptoms and molecular detection.
ENZIM AMILASE SEBAGAI KOMPONEN ANTAGONIS BACILLUS SUBTILIS B315 TERHADAP RALSTONIA SOLANACEARUM KENTANG Nur Prihatiningsih; Heru Adi Djatmiko
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 16 No. 1 (2016): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (142.126 KB) | DOI: 10.23960/j.hptt.11610-16

Abstract

Enzyme amylase as an antagonist component of Bacillus subtilis B315 against potato Ralstonia solanacearum. One of the antagonist mechanism of Bacillus subtilis B315 is that it produced secundary metabolites. Enzyme amylase is produced by B. subtilis B315 as a secondary metabolite. The aims of the research were: (1) to test mechanism of antagonistics by B. subtilis B315 against potato Ralstonia solanacearum and (2) to detect antibiosis activity of B. subtilis B315. The research was conducted in the Laboratory of Plant Protection Agriculture Faculty and Laboratory of Integrated Research of Jenderal Soedirman University from April to October 2014. The research method is an experimental with growing double layer of B. subtilis B315 in YPGA medium and Ralstonia solanacearum in water agar. This research used a Completely Randomized Design with 3 treatments and 8 replications. The treatments were B. subtilis B1, B. subtilis B46 and B. subtilis B315. The activity of antibiosis was tested by amylase activity enzyme and than it was analyzed using FTIR (Fourier Transform-infra Red). Result of the research showed that B. subtilis B315 could suppress R. solanacearum growth with 14 mm inhibition zone. Antibiosis activity of B. subtilisB315 as biological agents was showed by the production of amylase enzyme by activity of 0,802 unit/ml. Analysis by FTIR was showed by the production of compound group of alkane, aldehyde, ketones, carboxylic acid, esther, amina, and amida.
PENGARUH SUMBER MINERAL TERHADAP PENEKANAN Erwinia carotovora OLEH PSEUDOMONAS PENDAR-FLUOR SECARA IN VITRO Hardian Susilo Addy .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 7 No. 2 (2007): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (66.84 KB) | DOI: 10.23960/j.hptt.27117-124

Abstract

Antimicrobial Stimulation of Fluorescent Pseudomonad to Inhibit Soft-rot Pathogen Caused by Erwinia carotovora subsp. Carotovora. This research was conducted to study effect of mineral sources on inhibition Erwinia carotovora by fluorescent pseudomonad. We used several mineral sources to stimulate antimicrobial substances from fluorescent pseudomonad that responsible to inhibit E. carotovora subsp. carotovora in vitro. The results showed that zinc 0,5 mM were the best to increase antagonistics of fluorescent psudomonad againts E. carotovora. Zinc were increased antimicrobial substances twohold compared with control without stimulant agent. Detection of antimicrobial substance using TLC showed that only one antimicrobial was detected with retention factor (Rf) of 0,68 – 0,72. However, identification and characterization of that substance is still needed.
EFFECTS OF CULTIVAR-TILLAGE SYSTEM COMBINATION ON MYCORRHIZAL POPULATION Joko Prasetyo and Sri Yusnaini .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 2 No. 1 (2002): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (33.266 KB) | DOI: 10.23960/j.hptt.1232-34

Abstract

Pengaruh kombinasi sistem olah tanah dan varietas terhadap populasi mikorisa. Suatu penelitian telah dilakukan untuk mengetahui pengaruh kombinasi sistem olah tanah dan varietas terhadap populasi mikorisa. Penelitian terdiri atas empat perlakuan yang disusun dalam rancangan acak kelompok. Perlakuan tersebut adalah varietas RR ditanam pada sistem olah tanah konservasi (RRCT), varietas C7 ditanam pada sistem olah tanah konservasi (C7CT), varietas C7 ditanam pada sistem olah tanah sempurna (C7FT), dan varietas Bisma ditanam pada sistem olah tanah sempurna (Bisma FT). Hasil penelitian menunjukkan bahwa pada pengamatan pertama C7FT secara nyata menurunkan populasi mikorisa dibandingkan dengan Bisma FT. Pengamatan kedua, sistem olah tanah dan varietas tidak berpengaruh terhadap populasi mikorisa. Pada pengamatan ketiga menunjukkan bahwa RRCT secara nyata dapat menurunkan populasi mikorisa dibandingkan dengan Bisma FT.
Toleransi Tanaman Peneduh Polyalthia longifolia dan Pterocarpus indicus terhadap Ganoderma sp. Siti Muslimah Widyastuti; Harjono .; I Riastiwi
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 13 No. 1 (2013): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (569.494 KB) | DOI: 10.23960/j.hptt.11319-23

Abstract

Susceptibility of Urban Trees Polyalthia longifolia and Pterocarpus indicus to Infection of the red root rot fungus Ganoderma sp. Urban trees on the Gadjah Mada University (UGM) area play an important role in increasing environmental qualities as well as in supporting the teaching and learning processes. However, red root rot disease caused by Basidiomycete Ganoderma sp. has severely infected some existing urban trees. This experiment was aimed to determine the susceptibility of Polyalthia longifolia (glodokan) and Pterocarpus indicus (angsana) to the infection of Ganoderma sp. Identification of infected trees was performed in UGM area. Further steps were carried out to achieve those objectives : (1) isolation of Ganoderma spp. and testing of Koch’s postulate and (2) examination of the susceptibility of P. longifolia and P. indicus to infection of Ganoderma sp. The susceptibility test of P. longifolia and P. indicus to Ganoderma sp. indicated that P. longifolia was more resistant to fungal pathogen infection than that of P. indicus. Based on this experiment, it can be concluded that P. longifolia is a species that is more suitable than P. indicus. P. longifolia should be planted on the areas that have been infested with inocula of Ganoderma sp..
SOIL NUTRITION MANAGEMENT AND PREDATION BY CHEILOMENES SEXMACULATA (COLEOPTERA: COCCINELLIDAE) IMPACTS ON APHIS GLYCINES (HOMOPTERA: APHIDIDAE) Rosma Hasibuan & Jamalam Lumbanraja .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 10 No. 2 (2010): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.868 KB) | DOI: 10.23960/j.hptt.210131-145

Abstract

Soil nutrition management and predation by Cheilomenes sexmaculata (Coleoptera: Coccinellidae) impacts on Aphis glycines (Homoptera: Aphididae). Understanding how soil nutrient availability and natural enemies impacts on aphid populations are important for soybean aphid, Aphis glycines Matsumura (Homoptera: Aphididae), management. Studies were conducted to examine the effect of soil nutrient management and predaceous coccinellid beetle, Cheilomenes sexmaculata (Fabr.), (Coleoptera: Coccinellidae) on A. glycines population. The plot size of 300 m2 was set up into 12 plots consisting four treatments and three replications. The treatments were the combination of NPK (urea 100 kg ha-1 + SP-36 200 kg ha-1 + KCl 200 kg ha-1) levels, dolomite (4 ton ha-1), compost (10 ton ha-1), and chicken manure (10 ton ha-1). While, the predator’s potential of C. sexmaculata was measured both in the field and laboratory conditions. The results of the studies indicated that soil nutrition treatments had significant effects on the plant performances: leaf numbers; pod numbers; and plant height. In line with this result, there were significant effects of soil nutrient treatments on the amount of plant nutrient: C, N, P, K, C, Ca, and Mg. The positive correlation coefficient was observed between the aphid population and nitrogen content, while the significant negative correlation found on between aphid population and the calcium and magnesium content. Meanwhile, the mean number of soybean aphids (A. glycines) consumed by C. sexmaculata increased from 8.915 to 40.64 aphids, with an average 26.35 ± 3.16 aphids. The mean numbers of aphids consumed by predator were significantly influenced by prey densities. The exclosure study result showed that the densities of A. glycines in caged plants was higher than that in un-caged plants. In the no-cage treatments, natural enemies had complete access to soybean aphids and caused the total reduction (100%) of A. glycines density by the 8th wk sample period. These findings suggest that reducing the amount of synthetic chemical fertilizer NPK can be supplemented with natural organic materials such as composts and chicken manure and natural occurring predator, C. sexmaculata, is an important natural enemy of the soybean aphid.

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