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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.
Arjuna Subject : -
Articles 521 Documents
BIOLOGI DAN TRANSFORMASI BELALANG KEMBARA LOCUSTA MIGRATORIA MANILENSIS MEYEN (ORTHOPTERA: ACRIDIDAE) PADA BEBERAPA TINGKAT KEPADATAN POPULASI DI LABORATORIUM Hamim Sudarsono , Rosma Hasibuan, dan Damayanti Buchori .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 5 No. 1 (2005): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (74.621 KB) | DOI: 10.23960/j.hptt.1524-31

Abstract

Biology and Transformation of the Migratory Locust Locusta migratoria manilensis Meyen (Orthoptera: Acrididae) at Several Laboratory Population Density Levels. The migratory locust, Locusta migratoria manilensis Meyen (Orthoptera: Acrididae) is one of insect pests in Indonesia that undergoes a unique polymorphic biology. The locust develops a transformation phase which is triggered mainly by high population density. Its recent outbreaks in several regions of Indonesia cause major concern and control strategies must be developed to strengthen control efforts in the future. Its unique polymorphic phenomenon, therefore, must be investigated thoroughly for the basis of management of the outbreak. Due to its agility and its long range flying ability, the most realistic technique to study behavioral and morphological change of the locust is in controlled condition at a laboratory or a green house facility. The experiment was aimed to study effects of colony densities on the biology and transformation process of the migratory locust. More specifically, the experiment was to study effects of population density on the feeding activity, mortality rate, and the ratio of F/C and E/F of the migratory locust L. migratoria manilensis. The population densities were simulated in colonies at 2, 5, 10, 20, dan 30 couples per cage (cage size: 45x45x90 cm) reared in a green house. Results of the experiment show that, in general, higher densities of the migratory locust colonies tended to feed more rigorously than those of the less dense colonies. The locust remained in solitary phase at the density of 2-5 couples per cage whereas the transient phase occured at the density of 10-20 couples per cage. The colonies transformed to gregarious stage when their densities were 30 couples per cage or higher. Mortality percentage tended to be higher at colonies with higher density, especially for the third instar of the migratory locust.
Tingkat Ketahanan Klon Potensial Ubi Jalar Lokal Asal NTT Terhadap Hama Lanas (Cylas formicarius Fab.) Yosep Seran Mau; Antonius SS Ndiwa; I GB Adwita Arsa
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 11 No. 2 (2011): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (68.551 KB) | DOI: 10.23960/j.hptt.211139-146

Abstract

A laboratory experiment was carried out to evaluate the potential sweetpotato clones from NTT for the following objectives: 1) to determine resistance level of the clones to sweetpotato weevil (SPW), 2) to investitage the effect of genotype by tuber production site interaction on SPW-resistance level, 3) to identify SPW-resistant clones. Sweetpotato roots employed in the experiment were obtained from two production sites in the fields. The experiment was laid out in a Completely Randomized Design with a factorial treatment of two factors: sweetpotato genotype (10 clones) and root production sites (two sites). Experimental unit was replicated three times. Variables observed included percentage of SPW-injured root, severity of root injury, number of larva, pupae and imago, and root morphological characters. Quantitative data were subjected to analysis of variance while qualititave data were descriptively analyzed. Results of the study revealed significant interaction effect of genotype by tuber production site on severity of root injury and number of larva+pupae+imago. NBN-01 and NPL-02 produced the lowest (4.50%) and the greatest (67.03%) severity of root injury. NBN-01 was classified “resistant” and NPL-02 was “susceptible” while the remaining eight clones/check varieties were “moderately resistant” to SPW.
ASOSIASI CENDAWAN ANTAGONIS TRICHODERMA HARZIANUM RIFAI DAN CENDAWAN MIKORIZA ARBUSKULAR UNTUK MENGENDALIKAN PENYAKIT BUSUK PANGKAL BATANG PADA KEDELAI Latifah . .; Hendrival . .; Mihram . .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 14 No. 2 (2014): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (115.11 KB) | DOI: 10.23960/j.hptt.214160-169

Abstract

Association of antagonistic fungi Trichoderma harzianum Rifai and arbuscular mycorrhizal fungi for controlling the stem rot disease on soybean. The research objective was to study effect of application Trichoderma harzianum and arbuscular mycorrhizal fungi (AMF) in controling stem rot disease caused by Sclerotium rolfsii Sacc on soybean. The research conducted in a Randomized Block Design (RBD) with five treatment levels: (1) without T. harzianum, without AMF, and without S. rolfsii [negative control (C-)], (2) without T. harzianum, without AMF, and S. rolfsii [positive control (C +)], (3) T. harzianum + S. rolfsii; (4) AMF + S. rolfsii, and (5) T. harzianum + AMF + S. rolfsii. Parameters observed were basal stem rot disease development and yield components. The results showed that the application of a mixture of T. harzianum and AMF caused a longer disease incubation period (8.29 days) and the severity of stem base rot disease was 11.67% number of pods per plant (62.53 pods), the number of seeds per plant (225.05 seeds), and the weight of seeds per plant (27.73 g) were higher than that of the application of T. harzianum and AMF separately.
PENGGUNAAN PERANGKAP UNTUK PENGENDALIAN HAMA TIKUS SAWAH (RATTUS RATTUS ARGENTIVENTER) Lestari Wibowo, I Gede Swibawa, dan Tejo Muryanto .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 3 No. 1 (2003): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.472 KB) | DOI: 10.23960/j.hptt.1317-20

Abstract

The use of traps to control lowland rats. The lowland rat (Rattus rattus argentiventer ) is one of the importance pests of rice in Indonesia. The rat may cause serious damage on rice and other crops. This study was aimed to determine the affectivity of rat trappings. Traps were set in Pekalongan Central Lampung, from October to December 2002. The treatments were arranged in a factorial experiment in randomized complete block design. The first factor was the type of traps (bamboo trap and wired “bubu” trap) while the second factor was the location of traps (rice field, swamp, tertiary irrigation canal, and rice plot borders). The catches show that there were no interaction between the trap type and trap location. In addition, more rats were caught in bamboo than those in wired “bubu” trap. The highest number of rat catches was from the swamp area.
EFEK PENYIMPANAN TERHADAP VIRULENSI NUCLEAR POLYHEDROSIS VIRUS YANG DIAPLIKASIKAN PADA TANAMAN KEDELAI TERSERANG ULAT GRAYAK (Spodoptera litura Fabr. ) Sudi Pramono .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 1 No. 1 (2001): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (47.516 KB) | DOI: 10.23960/j.hptt.1129-32

Abstract

One of the problem increased soybean production was Spodoptera litura (army worm), because army worm has been known to be resistant to many insec¬ticides. Alternatif control techniques should be explored to reduce population of the pest. Nuclear Polyhedrosis Virus (NPV) could storage one or more year, but must used technique cold storage so that not virulence decreased. This experiment was conducted to study (1) NPV patho¬genicity to army worm in the field, and (2) the effect of storage on the pathogenicity of NPV to S. litura. The research consisted of two experiments i.e. laboratory and field experiments. Each experiment had seven treatments arranged in a randomized completely block design. Each treatment was replicated four times. The results show the highest mortality of S. litura occurred in plot treated with 1,0 x 107 PIBs /ml, the mortality was 48 to 49,33 spec/plot after ten days aplicated . If comparative patogenicity the new and the old NPV was not significant. Population of army worm decreased significantly by NPV and control. So that patogenecity NPV storage one year as well as new NPV against army worm.
Parameter Neraca Hayati dan Pertumbuhan Populasi Kutu Putih Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae) pada Dua Varietas Ubi Kayu Nila Wardani; Aunu Rauf; Wayan Winasa; Sugeng Santoso
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 14 No. 1 (2014): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (117.017 KB) | DOI: 10.23960/j.hptt.11464-70

Abstract

ABSTRACTThe life history and population growth parameters of mealybug Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae) on two cassava varieties. The development, reproduction, and population growth parameters of the cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae) on two cassava varieties were studied in laboratory. The varieties tested were UJ-5 with high cyanide content (>100 mg per kg) dan Adira-1 with low cyanide content (27.5 mg per kg). Our research revealed that P. manihoti performances were highly affected by cassava varieties. Incubation period of eggs of P. manihoti were 7.93 ± 0.09 and 8.33 ± 0.11 days, nymphal development periode 12.32±0.13 and 15.67 ± 0.13 days, respectively on UJ-5 and Adira-1. Fecundity averaged 386.37 ± 5.83 on UJ-5 and 318.67±2.81 eggs on Adira-1. Intrinsic rate of increase (rm) were 0.258 ± 0.001 on UJ-5 and 0.220 ± 0.001 on Adira-1. Mean generation time (T) on UJ-5 and Adira-1 were 22.795 ± 0.050 and 25.532 ± 0.047 days, repectively. Our findings showed that variety UJ-5 was more suitable for development and population growth of the cassava mealybug.
PENGARUH EKSTRAK BERBAGAI BAGIAN TANAMAN MENGKUDU (Morinda citrifolia) TERHADAP PERKEMBANGAN PENYAKIT ANTRAKNOSA PADA TANAMAN CABE (Capsicum annuum L.) Efri .
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 (147.714 KB) | DOI: 10.23960/j.hptt.11052-58

Abstract

Effect of extraction from some parts of Mengkudu (Morinda citrifolia) to suppress anthracnose disease on chili (Capsicum annuum L). The research was conducted to study the effect of extract from some parts of Mengkudu on the growth of anthracnose disease on chilli (Capsicum annuum L). Some extraction of mengkudu parts such as from leaves, flowers and fruits and propineb fungicide were used in this research. Spore suspension of Colletotrichum capsici (108 spore/ml) used to inoculate chili plant one week before extraction of mengkudu (33 day after planting) was applicated. The result showed that application of leaf and flower extraction were effective to suppress disease incidence and severity, but fruit extraction was not effective. However, leaf and flower extraction did not significantly differ with propineb fungicide.
KEANEKARAGAMAN HYMENOPTERA PARASITOID PADA STURUKTUR LANSKAP PERTANIAN BERBEDA DI DAERAH ALIRAN SUNGAI (DAS) CIANJUR, JAWA BARAT Yaherwandi, S. Manuwoto, D. Buchori2, P. Hidayat, dan L.B. Prasetyo.
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 7 No. 1 (2007): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (221.885 KB) | DOI: 10.23960/j.hptt.17%p

Abstract

Diversity of Hymenoptera Parasitoid in Different Agricultural Landscape at Cianjur Watershed, West Java. Understanding how the landscape structure affect the interaction between crops, pests and their natural enemies is a complex problem that can significantly impact on the success or failur of insect biological control. Hymenoptera parasitoid are particularly important natural enemies because of their great diversity and effectiveness as agents of biological control. The objective of this research is to study the diversity of Hymenoptera parasitoid in rice field at Cianjur Watershed. Insects were sampled using three trapping techniques (farmcop, insect net and yellow pan trap). Species accumulative curves, Jackknife-1 estimator, indices of diversity, indices of community similarities and cluster analysis were applied to analyze the data. Results indicated that there were 2750 speciment consist of 26 family and 325 species of Hymenoptera parasitoid in rice fields at Cianjur Watershed. Diversity of Hymenoptera parasitoid were found to be influenced by the landscape structure and seasone of ricefield. Species richness and diversity were higher in Nyalindung landscape than Gasol and Selajambe landscape.
MEKANISME ANTIBIOSIS BACILLUS SUBTILIS B315 UNTUK PENGENDALIAN PENYAKIT LAYU BAKTERI KENTANG Nur Prihatiningsih; Triwidodo Arwiyanto; Bambang Hadisutrisno; Jaka Widada
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 15 No. 1 (2015): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (147.855 KB) | DOI: 10.23960/j.hptt.11564-71

Abstract

Antibiosis mechanism of Bacillus subtilis B315 for controlling potato bacterial wilt disease. Bacillus subtilis B315 isolated from rhizospheric potato has antibiosis mechanism against Ralstonia solanacearum in vitro and become potentially used as controlling method of bacterial wilt in the field. The objectives of this research were to study the mechanism of B.subtilis B315 in controlling bacterial wilt disease, to study of B. subtilis B315 potency as both biocontrol and plant growth promoter, and to evaluate the mechanism as biocontrol agent. This green house experiment used CRD (Completely Randomized Design) with 5 treatments and 6 replicates. The treatments were control (without B. subtilis B315), B. subtilis B315 wild type, antibiosis mutant M16, antibiosis mutant M4, and antibiosis mutant M14. Variables observed were incubation period, disease index, infection rate, effectiveness of control, and growth components (i.e number of bud, plant height, leaf area, plant fresh and dry weight). The result of this research showed that B. subtilis B315 could delay incubation period, suppressed the disease index up to 64,9% and could promote the plant growth (leaf area). B. subtilis B315 had the antibiosis and other mechanisms that induced sistemic resistance. The implication of this research was that B. subtilis B315 could be used for biocontrol the bacterial wilt and promoted the potato growth.
KELIMPAHAN DAN KEKAYAAN ARTROPODA PREDATOR PADA TANAMAN PADI YANG DIAPLIKASI BIOINSEKTISIDA BACILLUS THURINGIENSIS Chandra Irsan; Fina Sunariah; Siti Herlinda; Yuanita Windusari
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 (133.276 KB) | DOI: 10.23960/j.hptt.11642-50

Abstract

Abundance and species richness of the predatory arthropods on paddy treated with Bacillus thuringiensis bioinsecticide. Application of bioinsecticide from bacterial entomopathogen has not been reported yet that can decrease abundance and species richness of predatory arthropods, such as spiders and predatory insects. This research was aimed to analyze the abundance and species richness of predatory arthropods paddy fields applied by B. thuringiensis bioinsecticide on paddy in fresh swamp area. Areas observed were 2 ha paddy field’s at Situ Bagendit variety. Predatory arthropods inhabiting canopy were sampled using sweep but soil dwelling arthropods were trapped using pitfall traps. The result showed that abundance of spiders inhabiting canopy decreased significantly after B. thuringiensis bioinsecticide application on paddy compared to control without bioinsecticide but the abundance of predatory insects were not significantly affected by the bioinsecticide. Application of the bioinsecticide did not significantly affect the abundance and species richness of soil dwelling predatory arthropods, such as spiders and predatory insects.

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