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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
AKTIVITAS ENZIM PEROKSIDASE PISANG KEPOK DENGAN APLIKASI GLOMUS TIPE 1 Suswati .; Asmah Indrawaty; Friardi .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 15 No. 2 (2015): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (121.653 KB) | DOI: 10.23960/j.hptt.215141-151

Abstract

Ripe banana peroxidase activities with Glomus type 1. Ripe banana is very susceptible to blood disease caused by Blood disease bacterium (BDB) and Fusarium wilt caused by Fusarium oxysporum f.sp. cubense. Arbuscular mycorrhizal fungi (AMF) Glomus tipe 1 increased resistance of ripe banana seedlings to both wilt diseases. The resistance mechanism related with the change of hydrolytic enzyme activities: peroxidase (PO), phenylalanin amonialyase (PAL) and polyphenoloksidase (PPO). The green house and laboratorium experiment were conducted to study the effect of different colonization time 4, 12, 24, 36, 48, 72, 96 h after application (haa) and control (without AMF) with 3 replicates. AMF fresh inoculants source is a mixture of sand planting medium that containing spores, hyphae and corn root colonized AMF. Ripe banana seedlings (60 days old) were inoculated with 50 g fresh AMF inoculants and incubated with the treatment. The results showed that the application of Glomus tipe 1 caused changes in the enzyme activity of peroxidase in the roots and leaves. Root peroxidase enzyme activity slightly increased 5.84% (0.326U) at the beginning of colonization (4 haa) while peroxidase enzyme activity in leaves sharply declined (85.83–87.37%).
KETAHANAN TIGA SPESIES ARACHIS TERHADAP BERCAK DAUN AKHIR (CERCOSPORIDIUM PERSONATUM BERK. ET CURT.) PADA PEMBERIAN DAN TANPA PEMBERIAN MANKOZEB Setyo Dwi Utomo dan Hasriadi Mat Akin .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 4 No. 2 (2004): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (172.836 KB) | DOI: 10.23960/j.hptt.2475-82

Abstract

The resistance of three species of Arachis to late leaf spot (Cercosporidium personatum) with and without application of mankozeb. The use of resistant cultivars and application of fungicide are effective means to control late leafspot. Resistant genotypes of peanut is required as a parent for hibridization to develop high-yielding cultivars resistant to late leaf spot. The objective of this study were to evaluate the resistance of 11 genotypes from three species of Arachis to late leaf spot (C. personatum) with and without application of mankozeb. The experiment was arangged ia a split splot design with three replications. The main plots were fungicide treatment (treated and untreated). Fungicide mankozeb ( 4 g/l, 500 l/ha) was applied at 28, 40, 52, 64 and 76 days after planting. The sub-plots were genotypes of species Arachis, i.e., 7 lines of cultivated peanut (Archis hypogaea) from ICRISAT, 2 national varieties (Gajah and Kelinci), and two wild species (A. cardenasii, and A. pintoi). The two wild species were imune to late leaf spot so that they can be utilized as resistant parent in wide hybridization to develop a superior cultivars. ICGV 88262 was more resistant than Gajah and Kelinci. Because its yield tend to be lower than Gajah and Kelinci, ICGV 88262 also can be utilized as resistant parent in hibridization. Mankozeb was efective and substantially reduced yield losses of cv. Gajah. Mankozeb should be aplied in cultivation of cv. Gajah to control late leafspot.
DAMPAK APLIKASI INSEKTISIDA PERMETRIN TERHADAP SERANGGA HAMA (THOSEA SP.) DAN SERANGGA PENYERBUK (ELAEIDOBIUS KAMERUNICUS) DALAM AGROEKOSISTEM KELAPA SAWIT Rosma Hasibuan, I Gede Swibawa, Agus M. Hariri, Sudi Pramono, F.X. Susilo1, dan Nurafiah Karmike
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 2 No. 2 (2002): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (58.009 KB) | DOI: 10.23960/j.hptt.2242-46

Abstract

Impact of Permethrin-Insecticide Application on Insect Pest (Thosea sp.) and Insect Pollinators (Elaeidobius kamerunicus) in Oil Palm Agroecosystem. Insecticide efficacy studies are usually determined from the target insect (pest) data without regard to the effect of that treatment on the non-target insects (such as pollinators). This study examined the effect of permethrin (one of widely used insecticides for agriculture) on defoliating insect pest (nettle caterpillar, Thosea sp.) and insect pollinator (weevil, Elaeidobius kamerunicus) which lives on pollen of male oil palm flowers. A complete block design was used in which each of four blocks consisted of 5 treatments (4 concentrations of permethrin; 50; 100; 200; and 250 ppm and control) . The results clearly demonstrated that the application of permethrin reduced significantly the number of nettle caterpillar throughout all sprayed plants (up to 100% 14 d after treatments). A significant difference in mean population of the caterpillar were detected between plots sprayed with permethrin (0.05; 0.25; 0.53; and 2.00 larvae/leaves at concentrations of 250; 200; 100; and 50 ppm respectively) and control plant (5.2 larvae/leaves) 3 d after treatments. This insecticide effects persisted for at least 14 d after treatments. On the other hand, permethrin application in oil palm agroecosystem had adverse effects on main pollinator (E. kamerunicus). The number of weevil pollinators on sprayed plants (12.5; 59.3; 77.5; and 209.5 weevil/male flower at concentrations of 50; 100; 200; and 250 ppm respectively) were significantly fewer compared to the control plants (976.0 weevil/male flower). The results indicate that, despite high efficacy of permethrin in reducing number of insect pests of oil palm (Thosea sp.), its application also cause a severe impact on important insect pollinators (E. kamerunicus).
THE EFFECTIVENESS OF POLAR AND NON POLAR FRACTIONS OF AGERATUM CONYZOIDES L. TO CONTROL PEANUT RUST DISEASE AND PHYTOCHEMICAL SCREENINGS OF SECONDARY METABOLITES Eriyanto Yusnawan
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 13 No. 2 (2013): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (155.536 KB) | DOI: 10.23960/j.hptt.213159-166

Abstract

The effectiveness of polar and non-polar fractions of Ageratum conyzoides L. to control peanut rust disease and phytochemical screenings of secondary metabolites. Peanut rust disease caused by Puccinia arachidis is one of the important diseases which causes yield loss more than 50%. An alternative control which is more environmentally friendly can be conducted by applying botanical fungicides extracted from weeds. This study aimed to obtain effective concentrations of polar and non-polar fractions of roots, leaves, and flowers of Ageratum conyzoides as well as to investigate secondary metabolites in each extract. A spore germination test was conducted to determine the effectiveness of each extract. An application of 5% polar fraction of the leaves resulted 98±2% ungerminate spores which was not different with the application of 5% polar fraction of the roots which resulted 95±2% ungerminate spores. The use of a polar solvent extracted more diverse secondary metabolites compared with that of a non-polar solvent. Phytochemical screening tests on the three extracts showed that the leaf polar fraction contained more diverse secondary metabolites as compared with the others. The polar fraction of the leaves contained alkaloids, flavonoids, tannins, saponins, and terpenoids. A further test to confirm the existence as well as to separate these compounds with thin layer chromatography showed that alkaloids, flavonoids, saponins, and terpenoids separated into 7, 9, 6, and 8 spots, respectively. These secondary metabolites may be responsible to inhibit the spore germination of P. arachidis.
PEMBIAKAN NEMATODA PATOGEN SERANGGA (Rhabditida: Heterorhabditis DAN Steinernema) PADA MEDIA SEMI PADAT . Chaerani
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 11 No. 1 (2011): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.233 KB) | DOI: 10.23960/j.hptt.11169-77

Abstract

Field application of entomopathogenic nematodes (EPN) is still hampered by inefficient mass production. The aim of this study was to compare three published in vitro media (medium Wouts, Bedding and Han) for mass propagation of three indigenous EPNs (Heterorhabditis indicus PLR2, H. indicus isolate 5, and Steinernema T96) and one commercial strain (S. carpocapsae #25). The media were impregnated in shredded polyurethane sponge, pre-inoculated with symbiotic bacteria of each nematode and inoculated with the respective infective juveniles (Ijs) of the nematode. Nematode yields at three weeks after nematode inoculation were inconsistent accross replications and experiments and generally not significantly influenced by the kind of media tested. Average yields showed that the highest IJ productions were obtained on medium Han for H. indicus PLR2 (0,4×105 Ijs/g medium) and for S. carpocapsae #25 (2.2×105 IJs/g medium), and on medium Wouts for H. indicus isolate 5 (6.5×105 Ijs/g medium) and Steinernema T96 (1.5×105 IJs/g medium). The Ijs’ body were significantly shorter than those of in vivo propagated, which may impair the nematode pathogenicity. Modifications of the propagation technique and media formulation are needed to improve the quantity and quality of Ijs.
KARAKTERISASI MORFOLOGI TIGA GENUS SERANGGA PENGGEREK (LEPIDOPTERA: PYRALOIDEA) Pratami, Gina Dania; Raffiudin, Rika; Samudra, I Made
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 16, No 2 (2016): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.32 KB) | DOI: 10.23960/j.hptt.216155-164

Abstract

Morphological characterization of three genere of insect borer (Lepidoptera: Pyraloidea). The objective of the research was to characterize the morphological differences of insect borers between Genus Etiella (Pyralidae: Phycitinae), Scirpophaga (Crambidae: Schoenobiinae), and Ostrinia (Crambidae: Pyraustinae). Observed characters were based on external morphology and genitalia. The result showed that Crambidae has praecinctorium in the tympanic organs, while lack of in Pyralidae. Phycitinae had chaetosema, proboscis, cubital pecten and the elongated forewing. Pyraustinae was lack of chaetosema and their forewings are wide towards termen. Whereas, Schoenobiinae had chaetosema with elongated forewing. Etiella had scales on antemedial area and their veins M2-M3 are fused. Forewing of Ostrinia had 11 veins and the corpus bursae shape was round irregular. Forewing of Scirpophaga had 12 veins, anal hair tuft, coremata, and the corpus bursae is round. The main characteristics used in identification at family and subfamily level were the praecinctorium, chaetosema, the shape of the forewings, proboscis, and cubital pecten. Whereas at genus level; anal hair tuft, coremata, and shape of the corpus bursae formed the basis of characterization. The morphological characterization was used to make the key identification of insect borers in Indonesia.
SPESIES PARASITOID LIPAPHIS ERYSIMI ASAL SUMATERA SELATAN DAN VARIASI PARASITISASINYA PADA TUMBUHAN INANG YANG BERBEDA Siti Herlinda; Erise Anggraini; Chandra Irsan; Abu Umayah; Rosdah Thalib; Triani Adam
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 12 No. 2 (2012): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (136.038 KB) | DOI: 10.23960/j.hptt.212111-118

Abstract

Lipaphis erysimi (Hemiptera: Aphididae) is one of the main insect pests on brassicaceous crops. Aphids attack crops by sucking sap from its hosts. Densed population in the initial phase of crop growth could inhibit growing, loss in yield up to 100%. Experiments were aimed to explore and identify species of L. erysimi parasitoid in highland areas of South Sumatra, and to determine potency of the parasitoids to parasitize L. erysimi in laboratory. The highest parasitism level of L. erysimi (72.40%) was found on 200 aphids which reared on B. juncea. While, the second highest parasitism level (65.67%) was found on N. indicum. The number of mummies found on N. indicum was less than on B. juncea. Of all observations, every treatment on every tested plant showed that female D. rapae emerged more than male D. rapae (female bias). The two parasitoids species that parasitized L. erysimi were Diaeretiella rapae and Aphidius sp. Parasitisation at several location in South Sumatera was highly diverse. D. rapae was the most abundant parasitoid species on several high lands at South Sumatera.
HUBUNGAN ANTARA POPULASI KUTU KEBUL (BEMISIA TABACI GENN.) DAN PENYAKIT KUNING PADA CABAI DI LAMPUNG BARAT Sudiono dan Purnomo .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 9 No. 2 (2009): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (142.835 KB) | DOI: 10.23960/j.hptt.29115-120

Abstract

Relationship between Bemisia tabaci Genn. and Yellow Diseases of Chilly in West Lampung. The objective of this research was to find out the relationship between population of Bemisia tabaci and yellow disease incidence of chilly that was conducted in West Lampung. The result showed that the population of B. tabaci affected the disease incidence. Higher population of B. tabaci was followed by high disease incidence. The result also showed that high population of B. tabaci was affected by the rainfall intensity.
PERKEMBANGAN HIDUP DAN DAYA MEMANGSA CURINUS COERULEUS MULSANT PADA BEBERAPA KUTU TANAMAN Nur Yasin .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 6 No. 2 (2006): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (108.713 KB) | DOI: 10.23960/j.hptt.2679-86

Abstract

The biological development and feeding ability of Curinus coeruleus Mulsant on several phytophthires. The research was conducted to investigate the survival and feeding capability of Curinus coeruleus Mulsant on Heteropsylla cubana, Aleurocanthus spiniferus, Planococcus citri, and Aspidiotus destructor. The research was done in completely randomized design with eight replications. The result showed that C. coeruleus could not survive on A. spiniferus. The head width of C. coeruleus larvae did not differ significantly in A. destructor, P. citri, or H. cubana. The head width increase of C. coeruleus larvae feeding on A. destructor followed Dyar’s law with growth ratio of 1,4. Larval stadium of C. coeruleus, imago stadium, longevity, and the number of consumed preys were affected by phytophthires species. C. coeruleus could feed on more H. cubana than A. destructor, or P. citri.
RESISTANCE OF SOME GROUNDNUT CULTIVARS TO SOYBEAN POD BORER, ETIELLA ZINCKENELLA TREIT. (LEPIDOPTERA: PYRALIDAE) Dwinardi Apriyanto, Edi Gunawan, dan Tri Sunardi .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 9 No. 1 (2009): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.97 KB) | DOI: 10.23960/j.hptt.191-7

Abstract

Resistance of some groundnut cultivars to soybean pod borer, Etiella zinckenella Treit. (Lepidoptera: Pyralidae). Five groundnut cultivars: Badak, Panther, Sima, Gajah, and Simpai, were grown in field in June-August, 2006 to determine their resistance/susceptibility to Etiella zinckenella Treit. Two local cultivars (big and small seeds) were included as comparison (controls). All cultivars were grown in experimental plots arranged in a randomized complete block design (RCBD), replicated three times. The incidence of soybean pod borer and damaged pods were observed at 9, 11, 13 weeks after sowing (WAS) at 10 sample plants taken randomly from each plot. All cultivars were harvested at 13 WAS. Number of damaged pods was counted and percentages per plant were calculated. Larvae observed inside pod or in the soil were counted and collected. The seed yield per plant and weight of 100 seeds from 100 sample plants taken randomly at harvest were weighted to nearest gram at 10% water content. Pod toughness (hardness) was measured with penetrometer. Resistance level of each cultivar was determined based on cultivar’s means and overall mean and standard deviation of the percentages of damaged pods. Data were analyzed with analysis of variance (ANOVA) and means were separated with DMRT. The result revealed that mean percentages of damaged pod differed significantly between cultivars. Seed yield of cultivar Panther, Sima and Badak were significantly higher than those of the other two and local cultivars. Cultivar Panther was categorized as resistant, cultivar Sima and Badak as moderately resistant, while the others as susceptible. The relative resistance of groundnut cultivar seems, at least in part, to correlate with the structural hardness of pod.

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