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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
PENGARUH INFESTASI NEMATODA Pratylenchus TERHADAP PERTUMBUHAN TANAMAN NENAS [Ananas comosus (L.) Merr.] I Gede Swibawa , Irma Amaliah, Titik Nur Aeny
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 1 No. 1 (2001): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (41.517 KB) | DOI: 10.23960/j.hptt.1125-28

Abstract

Pratylenchus is an important parasitic nematode on pineapples in the world. This plant parasitic nematodes may cause severe damages on roots, resulted in retarded plant growth. The experiment consisted of four Pratylenchus population levels per plant with 4 replications. The experiment was conducted on June to September 1999, on PT. Great Giant Pineapple Company (GGPC) in Central Lampung District. The aim of the research was to study the nematode population effects on root damages and plant growth. The result showed that smooth cayenne variety was a favorable host of Pratylenchus. Rapid rate of nematode population occurred in three months. The root damage of infested plant with as much as 100 - 300 nematodes per plant was up to 20.39 - 31.72 percent and caused canopy wet weight was a half lower than those untreated plant.
Efikasi Asap Cair dari Kayu Laban (Vitex pubescens) terhadap Rayap Coptotermes curvignathus HA Oramahi; Purwati .; Sofian Zainal; Iskandar .; Idham .; Farah Diba; Wahdina .
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 (241.653 KB) | DOI: 10.23960/j.hptt.11471-79

Abstract

ABSTRACTEfficacy of liquid smoke from laban wood (Vitex pubescens) against Coptotermes curvignathus. Antitermitic activities of liquid smoke produced from Vitex pubescens against C. curvignathus was evaluated in this study. This research was conducted in two steps, i.e. pyrolisis of liquid smoke and efficacy test of liquid smoke as antitermite. Three kinds of liquid smoke were produced at three different pyrolysis temperatures, i.e. 350 oC, 400 oC and 450 oC. Termiticidal activity was evaluated by a no-choice test. The research indicates that concentration of liquid smoke and pyrolysis temperatures significantly affected termite mortality and mass losses of the filter paper. The relationship between the concentration of liquid smoke (X) and termite mortality (Y) at 350 oC, 400 oC, and 450 oC were Y = 31,4 + 11,76X, (r2 = 0,60), Y = 30 + 11,86X (r2 = 0,59), and Y = 26,66 + 7,6X (r2 = 0,429). The relationship between concentration of liquid smoke (X) and mass losses (Y) at 350 oC, 400 oC, and 450 oC were Y= 85,12 -3,188X (r2 = 0,723), Y= 88,06 – 3,435X + (r2 = 0,953) and Y= 91,56 – 3,867X (r2 = 0,886).
ketahanan enam klon karet terhadap infeksi CORYNESPORA CASSIICOLA PENYEBAB PENYAKIT GUGUR DAUN Nurhayati1, Fatma & M. Idrus Aminuddin .
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 (60.53 KB) | DOI: 10.23960/j.hptt.11047-51

Abstract

Resistance of six rubber clones to Corynespora cassiicola the pathogen of rubber leaf fall disease. The objectives of the research was to evaluate the resistance of six rubber clones to Corynespora cassiicola, the pathogen of rubber leaf fall disease. The research was conducted at Phytophatology laboratorium and green house at the Plant Pest and Diseases Department, Faculty of Agriculture, Sriwijaya University, from March to July 2008. The treatments were arranged in a completely randomized block design (CRBD) with six treatments and four replications. Each replication consisted of four polibags of rubber plants. The clons tested were GT 1, PB 260, IRR 39, BPM 1, BPM 24 and PR 261. The results showed that IRR 39 was the most susceptible clon to C. cassiicola infection, whereas disease severety reach up to 98.45 % and leaf fall 73.95 %. Clon PB 260 show as the moderat resistance clon to the pathogen infection. The severity disease of this clon only 41.53 % and leaf fall 10.41%.
ISOLASI NEMATODA PATOGEN SERANGGA STEINERNEMA DAN HETERORHABDITIS Chaerani, Y. Suryadi, T.P. Priyatno, D. Koswanudin1, U. Rahmat , Sujatmo, Yusuf, dan C.T. Griffin.
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 7 No. 1 (2007): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.792 KB) | DOI: 10.23960/j.hptt.17%p

Abstract

Isolation of Entomopathogenic Nematodes Steinernema and Heterorhabditis. Entomopathogenic nematodes from the genus Steinernema and Heterorhabditis (Rhabditida: Steinernematidae and Heterorhabditidae) are promising biological control agent of insect pests. Indigenous nematodes have been isolated and collected for the use in local biological control program of important insect pests. The nematodes were isolated using soil baiting method with insect larvae. Laboratory tests have shown that the mealworm larvae Tenebrio molitor (Coleoptera: Tenebrionidae) served as a good alternative to the standard insect bait, the greater wax moth larvae Galleria mellonella (Lepidoptera: Galleriidae) for isolation and maintenance of nematodes. Both nematodes were successfully isolated using T. molitor larvae from 13% soil samples (26 out of a total of 207) collected from 14 locations in West and Central Java and Lampung provinces in the period of 1993 until 2006. Heterorhabditis (9%) was more prevalent than Steinernema (4%). Both nematodes were successfully propagated on mealworm larvae.
PENGARUH PERBEDAAN PENGELOLAAN AGROEKOSISTEM TANAMAN TERHADAP STRUKTUR KOMUNITAS SERANGGA PADA PERTANAMAN KEDELAI DI NGALE, KABUPATEN NGAWI, JAWA TIMUR Lutfi Afifah; Purnama Hidayat; Damayanti Buchori; Marwoto .; B T Rahardjo
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 (396.939 KB) | DOI: 10.23960/j.hptt.11553-64

Abstract

Effect of different agroecosystem management on community structure of insects in soybean crop in Ngale, Ngawi District, East Java. Insect community structures in agroecosystem may always change. Agroecosystem management techniques affect insect community structure. The aim of this study was to determine the diversity and composition of insects on soybean plants under different pest management systems and varieties. The experiment design was split plot with varieties (Anjasmoro and Wilis) as the main plots and pest management systems (Integrated Pest Management (IPM), Non-Chemical Management (P-NK), Chemical Management (P-K), and Control) as the sub plots. There were ten insect sampling sessions for each plot. Samplings were done in June until September 2013 using pitfall traps, sticky traps, sweep net, and yellow pan traps. Statistically the results of experiment showed that varieties and pest management had no significant differences to the insects diversity. Herbivore and beneficial insect in soybean crop had differences composition between varieties Anjasmoro and Wilis. In both soybean Anjasmoro and Wilis varieties, herbivore populations tend to be higher in the control plots compared to the IPM plots. Abundance of decomposers, parasitoids, and predators tend to be higher in the control and P-NK plots which were without the use of synthetic insecticides compared to the IPM and P-K plots which were given the treatment of synthetic pesticides. This indicates that the use of pesticides causes decrease in the beneficial insect populations such as pollinator, parasitoids, and predators.
EVALUASI KETAHANAN TERHADAP PENYAKIT KUDIS DAN PRODUKSI BEBERAPA KULTIVAR UBIJALAR Eko Agus Martanto; Adelin Tanati; Samen Baan
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 (121.874 KB) | DOI: 10.23960/j.hptt.11635-41

Abstract

Evaluation of scab disease resistance and production on sweet potato cultivars. This study was aimed to determine the resistance of local sweet potato cultivars to scab disease in West Papua and the cultivar production. Research was carried out for 6.5 months starting in April 2014. Evaluation of resistance of local sweet potato cultivars and production was designed using a randomized complete block design (RCBD) with three replications. The treatment consists of six local cultivars, namely Mouwebsi, Kuyage-2, Bonsasarai, Inanwatan-4, Wonembai, and Abomourow. There was no inoculation treatment on the field because Papua was endemic region to the scab disease. Data analysis was performed using analysis of variance (ANOVA), followed by DMRT test at level of 95%. Cultivars tested had different responses to the long tendrils of parameters and number of branches. The intensity of the disease in Bonsasarai cultivars was 31.7% (moderately resistant), while in Mouwebsi was 13.75%, Wonembai 8.33%, Kuyage-2 0.42%, Abomourow and Inanwatan-4, 0% categorized as resistant cultivars. The tuber weight of Abomourow (4.55 ton/ha) was higher than that of Mouwebsi (3.80 ton/ha), Wonembai (3.62 ton/ha), Bonsasarai (2.28 ton/ha), and Inanwatan-4 (1.12 ton/ha).
POPULASI RAYAP PADA PERTANAMAN LADA DI WAY KANAN, LAMPUNG Agus M. Hariri, F.X. Susilo, dan Hamim Sudarsono .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 3 No. 2 (2003): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (101.587 KB) | DOI: 10.23960/j.hptt.2329-35

Abstract

Termite population on black pepper plantation in Way Kanan, Lampung. This survey conducted from July to August 2002 was aimed to document the abundance and the diversity of termites at two locations of black pepper plantation with different soil covers at Way Kanan District, Lampung. The first location (Tiuhbalak) was practically bare (less weeds and more litter) while the second location (Sukarame) was more covered (more weeds and less litter). Two termite transects were set at each location. Each transect, comprised of 20 sections of 5 m x 2 m, was laid down in an oblique direction relative to the black pepper plant row. Termites were collected by soil scrapping, wood dismantling, and/or circum-digging of the soil around the plants by two collectors in 30 minutes/section. Termite specimens (mainly soldier caste) were conserved into vial containing 70% of ethanol for identification. Variables being observed included termite’s (1) relative abundance, (2) distribution, (3) number, and (4) biomass. The relative abundance and distribution between locations were compared using F-test at 5% level of significance. Results showed that the termites recovered from 7.5 finds (Tiuhbalak) and 10 finds (Sukarame) were Macrotermes gilvus, Microtermes obesi, Nasutitermes havilandi, Havilanditermes sp., Schedorhinotermes medioobscurus, and Cryptotermes sp.. Termites that were found in association with the black pepper plants were M. gilvus (in part) and Cryptotermes sp., while the other M. gilvus, M. obesi, N. havilandi, Havilanditermes sp., and S. medioobscurus were found from their sub-terranean nests close to the plants. Higher termite number and biomass (dominated by M. gilvus) were recovered from Tiuhbalak, while higher termite diversity was observed from Sukarame.
KEANEKARAGAMAN NEMATODA DALAM TANAH PADA BERBAGAI TIPE TATAGUNA LAHAN DI ASB-BENCHMARK AREA WAY KANAN I Gede Swibawa
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 1 No. 2 (2001): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (58.647 KB) | DOI: 10.23960/j.hptt.2154-59

Abstract

The soil nematode diversity in several land-use types in Way Kanan ASB-Benchmark Area. The conversion of forest to intensive agroecosystem such as monoculture system reduces biodiversity of the plant, herbivore, and decomposer subsystems. Those changes affected the litter and plant root quality. Consequently, few soil nematode species could be dominant and cause of disturbance of the stability of the below ground community. The increasing populations of plant parasitic nematodes usually occur on monoculture system . The research was conducted to study the effect of forest changes in several land use types on soil nematode diversity in Way Kanan Benchmark Area. Soil sampling on five land use types (secondary forest, agroforest or tree based agriculture, plantation, cassava field, and Imperata grass land) was conducted in November1996 and December 1997. Nematodes were extracted by decantation-centrifugation with sugar method. The soil nematodes were grouped into order and generic level including plant parasitic and non- parasitic. The results show that the order of Rhabditida, Dorylaimida, and Tylenchida were found from those five land-use types. The total genera of plant parasitic nematodes in Imperata grass land were the highest among the other four land use types. The total number of non-plant parasitic nematodes in secondary forest (28.0 individual per 300 cc of soil) was higher than total number in the plantation ( 2.6 individual per 300 cc of soil), cassava field (4.0 individual per 300 cc of soil) or Imperata grass land (6.6 individual per 300 cc of soil). The total number of plant parasitic nematodes in Imperata grass land (59.8 individual per 300 cc of soil), agroforest (59.0 individual per 300 cc of soil), secondary forest (48.2 individual per 300 cc of soil), and plantation (17.6 individual per 300 cc of soil) were not significantly different, but total number in Imperata grass land and agroforest were significantly higher than that in cassava field (11,6 individual per 300 cc of soil).
Karakterisasi Rizobakteri yang Berpotensi Mengendalikan Bakteri Xanthomonas oryzae pv. oryzae dan Meningkatkan Pertumbuhan Tanaman Padi . Agustiansyah; Satriyas Ilyas; Sudarsono .; Muhammad Machmud
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 (237.607 KB) | DOI: 10.23960/j.hptt.11342-51

Abstract

Characterization of rhizobacteri having potential to control Xanthomonas oryzae pv. oryzae and increase plant growth of rice. Rhizobacteria which are isolated from root could produce HCN, siderophore, and plant growth regulator, induce systemic resistance, and are increase uptake of plant nutrition such as phosphate. The objective of this research was to characterize rhizobacteri as controling agent for Xanthomonas oryzae pv.oryzae (Xoo) and as plant growth promoter. The results show that the isolates of P. diminuta A6, P. aeruginosa A54, B.subtilis 11 /C, and B. subtilis 5/B inhibited the growth of Xoo. B. subtilis 5/B isolate produced the highest siderophore activity, followed by of P. aeruginosa A54, P. diminuta A6 and B. subtilis 11/C. Only P. diminuta A6 isolate produced HCN. The results also showed that all rhizobacteri produced IAA i.e. B.subtilis 5/B (22.10 µg/ml), B. subtilis 11/C (19.05 µg/ml), P. diminuta A6 (8.68 ug/ml), and P. aeruginosa A54 (2.95 µg/ml). The content of phosphatase enzyme was as folows B.subtilis 5/B (2.78 units/ ml), B.subtilis 11/C (5.7 units/ml), P. diminuta A6 (2.25 units/ml), and P. aeruginosa A54 (5.71 units / ml). Content of peroxidase enzymes in plants that were treated by using isolates was as follows B.subtilis 5/B (1.30 x 10-3 units/mg protein), P. aeruginosa A6 (1.20 x 10-3 units/mg protein), B.subtilis 11/C (1.15 x 10-3 units/mg protein), and P. aeruginosa A54 (1.05 x 10-3 units/mg protein).
NEMATODE DIVERSITY IN A RANGE OF LAND USE TYPES IN JAMBI BENCHMARK INDONESIA I Gede Swibawa & Titik Nur Aeny .
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 (232.798 KB) | DOI: 10.23960/j.hptt.210162-171

Abstract

Nematode Diversity in a Range of Land Use Types in Jambi Benchmark Indonesia. This study was conducted in Jambi Benchmark, Indonesia from May 2004 to March 2005. Out of 70 sampling points, 35 soil cores were taken from five land use types including forest less intensive, forest intensive, shrub, tree-based intensive, and crop-based less intensive. From each soil core, 300 ml of soil was extracted by flotation and centrifugation technique using sucrose solution. One hundred randomly picked nematodes from each sample were identified to genus level. The collected data were nematode abundance, number of genera, and trophic groups. The results showed that a total of 100 nematode genera within 31 families and 8 orders were found from soil samples of Jambi Benchmark. The abundance of total nematodes, bacterial feeding, and plant feeding nematodes were low in the intensive land use but high in less intensive land uses, i.e. shrub, intensive forest, and less intensive forest. There was no significant correlation between land use intensity and the diversity of nematode taxa. Nematode maturity indices were not sensitive enough to measure ecosystem disturbance caused by human intervention in Jambi Benchmark.

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