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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
THE CORELATIONS BETWEEN WHITE ROT (RIGIDOPORUS LIGNOSUS L.) INCIDENCE AND SOIL CHARACTERS OF RUBBER ECOSYSTEM IN PENUMANGAN BARU, LAMPUNG Joko Prasetyo, Titik Nur Aeny, and Radix Suharjo .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 9 No. 2 (2009): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (927.235 KB) | DOI: 10.23960/j.hptt.29149-157

Abstract

The corelations between White Rot (Rigidoporus lignosus L.) incidence and soil characters of rubber ecosystem in Penumangan Baru, Lampung. A study was conducted to evaluate the corelation between soil characters and white rot incidence. The study was done in Penumangan Lampung from June 2007 to July 2008. Seven sites were observed on the incidence of white rot of indicator plants (cassava). Physical, chemical, and biological soil characters were correlated and regressed with white rot incidence. The results showed that there were correlation between white rot incidence and soil characters such as pH KCl, number of fungal genus (fungal diversity), Ca+, total cation, CEC, and saturation base. Ion Ca+, total cation, saturation base correlated positively with white rot incidence, on the contrary, fungal diversity, cation exchange capacity, and pH KCl correlated negatively with white rot incidence. Thus, efforts to increase fungal diversity, cation exchange capacity, and pH (in acidic soil) could be used as basic strategies to develope intergrated control of white rot disease.
DIVERSITY AND ABUNDANCE OF SOIL-BORNE PATHOGENIC FUNGI IN VARIOUS LAND-USE SYSTEMS IN SUMBERJAYA, LAMPUNG Joko Prasetyo and Titik Nur Aeny .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 6 No. 2 (2006): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (68.085 KB) | DOI: 10.23960/j.hptt.26107-112

Abstract

Diversity and abundance of soil-borne pathogenic fungi in various land-use systems in Sumberjaya, Lampung. This study was aimed to investigate the effects of land use systems on diversity and abundance of soil-borne pathogenic fungi. Soil samples were collected from Sumberjaya area, West-Lampung, during October 2004. A total of 88 soil samples were collected from seven land use systems: (1) undisturbed forest, (2) disturbed forest, (3) shrub, (4) polyculture coffee, (5) monoculture coffee, (6) food crop, and (7) horticulture crop. The soil samples were laboratory analyzed to isolate and enumerate viable fungal propagules using bioassay procedure by a modified most probable number technique. The results of the study showed that land-use systems had different impacts on diversity and abundance of soil-borne pathogenic fungi. The diversity declined in non-agricultural systems from undisturbed forest to disturbed forest, shrub, and polyculture coffee, and then increased in agricultural systems from polyculture coffee to monoculture coffee, and food crop. In horticulture crop, however, the diversity was lower than that of in food crop system. The abundance had a similar trend except for horticulture crop that showed the highest population. The occurrence of soil-borne pathogens was different across land use systems. Fusarium spp. dominated all land uses, except in shrub that was dominated by Curvularia spp. Botryodiplodia spp. occurred in undisturbed and disturbed forests, decreased in shrub and then disappeared in other land uses. The occurrence of Phytophthora spp. and Pythium spp. was limited in undisturbed and disturbed forest, then disappeared in shrub, in polyculture and monoculture coffee, but increased significantly in food crops. Rhizoctonia sp. only occurred in undisturbed forest.
ANTS ALTER INSECTICIDE EFFICACY ON APHIDS IN THE YARD-LONG BEAN AGROECOSYSTEM ? F.X. Susilo, Dewi Rosmawati, dan Nur Yasin .
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 (58.955 KB) | DOI: 10.23960/j.hptt.1932-38

Abstract

Ants Alter Insecticide Efficacy on Aphids in the Yard-Long Bean Agroecosystem? This study was aimed to detect the relationship between Aphis sp. and ants and to show whether ants could alter insecticide efficacy on Aphis sp. A survey was conducted in the yard-long bean agroecosystems that have been frequently attacked by aphids and for years treated with imidacloprid insecticide (in Mulyosari Village, intensive sample) versus those barely treated in Ganjar Agung Village (non-intensive sample), both in the West Metro municipal area, Lampung. Two sampling occasions were made (in March and November 2005) where 35 plant parts (i.e. 35 flowers and 35 pods) per sample were randomly observed to record the number of Aphis sp. and ants. The efficacy of the insecticide treatment was determined by comparing the mean number of aphids or ants from intensive versus non intensive samples using a t-test at the 0.05 level. The relationships between ant and aphid numbers were determined by calculating their coefficients of correlation and testing them using a t-test at the 0.01 or 0.05 level. The study showed that the long-term application of the insecticide imidacloprid in the yard-long bean agroecosystem 1) might strengthen the relationship between Aphis sp. and ants (especially Solenopsis sp., Camponotus sp. and Paratopula sp.) and 2) was not effective to suppress Aphis sp. number. Stronger Aphis sp. — ant symbiotic relationship might alter the insecticide efficacy on Aphis sp. in the agroecosystem.
POTENSI AGENSIA HAYATI DAN NABATI DALAM MENGENDALIKAN PENYAKIT BUSUK RIMPANG JAHE Loekas Soesanto, Sudarmono, Nur Prihatiningsih, Abdul Manan, Endang Iriani, dan Joko Pramono
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 (102.95 KB) | DOI: 10.23960/j.hptt.1550-57

Abstract

Potency of biological and botanical agents in controlling ginger rhizome rot. Research aimed at knowing integrity of various control agents in controlling causal agent of ginger rhizome rot. The research was carried out at Gowak Village, Pringsurat District, Temanggung Regency, Central Java Province, from November up to May 2004. Randomized Block Design was used with treatments of biological (Bacillus sp. with density of x ï‚´ 1010 cfu ml-1 suspension and Trichoderma harzianum 20 g crop-1), of botanical (clove leaves powder of 20 g crop-1 and neem seeds extract of 25 ml crop-1), and synthetical agents (benomil with concentration of 2 g l-1) either alone or in combination, with three replicates. Variables observed were incubation period, disease intensity, infection rate, number of leaves per crop, crop height, and ginger production per hectare. Result of the research showed that the location was endemic of the disease. The treatments could generally retard the incubation period and the infection rate, decrease the disease intensity, and increase the ginger production. The highest ginger yield was obtained from the plot given Trichoderma harzianum (Trikonis), either alone or in combination with the dry clove leaves of 10 g crop-1 as many as four times with interval of seven days started from seedling planted.
Pemanfaatan Bahan Organik sebagai Pembawa untuk Peningkatan Kepadatan Populasi Trichoderma viride pada Rizosfir pisang dan Pengaruhnya terhadap Penyakit Layu Fusarium . Nurbailis; . Martinius
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 (66.997 KB) | DOI: 10.23960/j.hptt.211177-184

Abstract

The aims of the research were to determine the best organic matter as carrier for growth and increasing the density of Trichoderma viride strain TV-T1sk (TV-T1sk) and its influence on Fusarium wilt disease development on banana seedling. This research consisted of two experiments, i.e. (1). Growth testing of TV-T1sk in various organic matter, (2). Various organic matter testing for increasing the density of TV-T1sk in banana rhizosphere and its influence on Fusarium wilt desease development. The treatments were various organic matter, namely rice straw, sugar cane pulp, rice bran+banana plant waste, hull of rice+sugar cane pulp and rice. The variables observed were density and viability of conidia on various organic matter. Propagule density after introduction to banana rhizosphere was determined by observing TV-T1sk propagul from the rizosphere of banana seedling. The influence of density on Fusarium wilt disease development was determined by incubation period, the percentage of symptomized leaves and the intensity of corm damage. The results showed that both sugar cane pulp and rice were the best organic matter for increasing the growth and the density of TV-T1sk after introduction to banana rhizosphere. The density of TV-T1sk propagule on banana rhizophere influenced the development of Fusarium wilt disease.
IDENTIFIKASI MARKA GEN KETAHANAN HAWAR DAUN BAKTERI PADA GALUR PADI INTRODUKSI DAN GALUR DIHAPLOID Ovi Prasetya Winandari; Aris Tjahjoleksono .; Dwinita Wikan Utami
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 14 No. 2 (2014): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (172.163 KB) | DOI: 10.23960/j.hptt.214101-109

Abstract

Identification marker of bacterial leaf blight (BLB) gene resistance on introducted and dihaploid rice germplasm. Bacterial leaf blight (BLB), caused by bacterial pathogen Xanthomonas oryzae pv. oryzae (Xoo), is one of the most devastating diseases in rice. The use of BLB-resistant rice varieties is one of the most efficient ways to protect rice from this disease. BLB-resistant varieties can be produced through the breeding program by using the diverse rice germplasm. The objective of this research was to identify BLB resistance gene on 37 introducted and dihaploid rice lines derived from wide genetic background double crossing from local rice : IR54/Parekaligolara and Bio110/Markuti, by using the molekular markers. As control plant used 23 differential varieties (monogenic lines/IRBB) and TN1 (susceptible). All plants tested were inoculated by 3 selected dominant BLB races (Race III, IV dan VIII). The selected of 19 polymorphism molecular markers used to identify the BLB resistance genes on rice lines tested. The result of this research showed that 4 rice lines were resistance to all BLB races tested. Three molecular markers were specific associated with resistant gene to Race III (Xa7-STS40, Xa1-STS14 and Xa4-STS50); Race IV (Xa1-STS5, Xa4-STS50 and Xa26-STS1), and Race VIII (Xa21-STS6, Xa7-RM20590 and Xa7-STS40). These markers could be utilized for the selection process the developmen of BLB resistance rice lines breeding program.
EFEKTIVITAS CAISIN SEBAGAI TANAMAN PERANGKAP PATOGEN UNTUK PENGENDALIAN PENYAKIT AKAR GADA PADA KUBIS . Hadiwiyono; . Sholahuddin; Endang Sulastri
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 (47.105 KB) | DOI: 10.23960/j.hptt.11122-27

Abstract

he research was conducted by observation on 5 plot kinds of cabbage planting. The plots consist of control plot with no planting Chinese cabbage, plot with planting Chinese cabbage as rotation plant on 38 day before planting of cabbage followed by manual eradication, plot with planting Chinese cabbage as rotation plant on 38 day followed by flooding for 14 days and soil tillage, plot with mixcropping Chinese cabbage on the early growth stage of the cabbage, and plot with intercropping of Chinese cabbage on 14 days before planting the cabbage. The results showed that planting Chinese cabbage as trap crop of the pathogen followed by eradication of the infected Chinese cabbage effectively controlled clubroot intensity and significantly restored the partial yields of the cabbage.
EFEK MORTALITAS DAN PENGHAMBATAN MAKAN BEBERAPA EKSTRAK TUMBUHAN ASAL KABUPATEN MERAUKE, PAPUA TERHADAP LARVA CROCIDOLOMIA PAVONANA (F.) (LEPIDOPTERA: CRAMBIDAE) Mendes, Johana Anike; ., Dadang; Ratna, Endang Sri
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 16, No 2 (2016): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (19.933 KB)

Abstract

Mortality and feeding inhibition effects of several plant extracts collected from Merauke Distric, Papua against Crocidolomia pavonana (F.) larvae (Lepidoptera: Crambidae). The objective of this research was to study mortality and feeding inhibition effects of several plants extract species collected from Merauke District Papua as botanical insecticides against Crocidolomia pavonana larvae. Seven plants used in the research were Areca catechu seeds (Arecaceae), Eucalyptus pellita tree barks (Myrtaceae), Myrmecodia pendans tubers (Rubiaceae), Piper aduncum fruits (Piperaceae), Piper betle leaves (Piperaceae), Pandanus conoideus fruits (Pandanaceae), and Zingiber officinale rhizomes (Zingiberaceae). Each plant extract was tested to 2nd instar C. pavonana larvae. The insecticidal activities were assessed including mortality and feeding inhibition activities. Extract concentrations for mortality tests using topical application method were 0,1%, 0,5%, 1%, 2%, and control, while extract concentrations for feeding inhibition tests using choice and no choice methods were 0,25%, 0,5%, 1%, 2%, and control. Each treatment was introduced to ten C. pavonana larvae and replicated five times. The results showed that P. aduncum and P. conoideus fruits extracts gave 100% mortality at 2% rate. Extract of P. betle leaf at 2% rate totally inhibited feeding activity of larvae (100%) using choice method, while extract of Z. officinale rhizome at 2% rate resulted in moderate feeding inhibition effect (75%) using no choice method. 
Genetic Variation of Leafhopper, Nephotettix virescens Distant Active Transmitters from Endemic and Non Endemic Areas of Rice Tungro Disease Based on RAPD Marker Supriyadi .; Retno Wijayanti
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 14 No. 1 (2014): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.17 KB) | DOI: 10.23960/j.hptt.11425-31

Abstract

ABSTRACTGenetic variation of leafhopper, Nephotettix virescens Distant active transmitters from endemic and non endemic areas of rice tungro disease based on RAPD marker. Leafhopper, Nephotettix virescens Distant (Hemiptera: Cicadellidae) plays an important role as a vector of rice tungro virus. However, the characters of N. virescens as a vector from endemic and non-endemic areas of tungro disease in Indonesia have not been well characterized and also available information is limited. The objective of this research was to study the character of N. virescens active transmitter from endemic and non-endemic of areas tungro disease based on RAPD markers. The N. virescens were collected from endemic area of Klaten (Central Java), Sleman (Yogyakarta) and non endemic area of Purwodadi (Central Java) Ngawi (East Java), and Pacitan (East Java). The N. virescens active transmitters were identified by their ability to transmit the virus based on Standard Evaluation System for Rice Tungro Virus, issued by IRRI. The genetic variations of N. virescens active transmitters were determined by using RAPD-PCR marker. Result of the research showed that three primers, OPB01, OPB10 and OPC08 amplified successfully of DNA template of N. virescens through RAPD-PCR technique. Based on the dendrogram, there were initial facts of possible genetic differences between the populations of N. virescens from endemic and non endemic areas of rice tungro disease. The N. virescens from endemic area of Klaten and Sleman are similar genetically but different from the N. virescens non endemic of Purwodadi, Pacitan and Ngawi.
PRODUKSI ANTISERUM DAN KAJIAN SEROLOGI CHRYSANTHEMUM B CARLAVIRUS (CVB) I G.R.M. Temaja, G. Suastika S.H. Hidayat & U. Kartosuwondo .
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 (361.666 KB) | DOI: 10.23960/j.hptt.11080-88

Abstract

Antiserum production and serological assay of Chrysanthemum B Carlavirus (CVB). Virus identification based on spesific reaction between antigen and antibody in serological assay has been widely applied as a tool for plant virus detection. The aims of this research is to produce antiserum of the CVB by guinea pig immunization using purified CVB of Cianjur isolate. The antiserum was used further for the serological test. Serological methods for detection of CVB were I-ELISA, TBIA, western blot and ISEM. The result showed that guinea pig immunization using 150 µg of purified virus was able to produce 10.75 ml of antiserum. The antiserum produced had high sensitivity for detection of CVB when examined by I-ELISA and TBIA. Besides its low cost, TBIA allows the samples to be blotted on the nitrocellulose membranes in the field and storage of the membranes for later processing in the laboratory. This feature makes it the metode of choice for large-scale CVB surveying.

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