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JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA

JHPT TROPIKA
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Published by Universitas Lampung

ISSN : 14117525 EISSN : 24610399 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

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

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KETAHANAN BEBERAPA GENOTIPE JAGUNG (ZEA MAYS) INTRODUKSI TERHADAP SERANGAN HAMA Mustikawati, Dewi Rumbia; Murni, Andarias Makka
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 4, No 1 (2004): Maret, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

The resistance of some_introduced hybrid genotypes maize (Zea mays) towards insect pests. Plant resistance to insect pest play an important role in integrated pest management. Fourty hybrid genotypes released by CIMMYT Mexico and two National hybrid varieties (Pioner 13 and Andalas) as local control had been tested threir resistance to insect pests. The trial was conducted at Natar Station Experimental, South Lampung from April to July 2002. The objective of the experiment was to obtaine the hybrid genotypes in which have a good tolerint or resistance toward insect pests. Alpha latice design with three replicates were used in this experiment. The varieties were grown in two-row plots of 5 m length at row-to-row spacing of 75 cm and hill-to-hill spacing within rows of 25 cm. 300 kg Urea, 150 kg SP-36 and 100 kg KCI ha_1 was applied to the trial. Insect pests damage were observe d at 16 and 80 days after planting. The results showed that there were 12 genotypes have moderate resistance toward insect pests: CMS 991006, CTM 011004, CMT 011018, CMT 011028, CMT 011030, CMT 011036, CMT 011038, CMT 011044, CMT 011050, CMS 951220 (RE), CMT 011056, CMT 011060 and one genotype was susceptible that was CMS 991018, however the others showed varies resistance traits against insect pest.

AKTIVITAS SIDEROFOR BACILLUS SUBTILIS SEBAGAI PEMACU PERTUMBUHAN DAN PENGENDALI PATOGEN TANAMAN TERUNG Prihatiningsih, Nur; Djatmiko, Heru Adi; Lestari, Puji
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 2 (2017): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Siderophore activity of Bacillus subtilis as plant growth promoters and biological control agent of eggplants pathogens. The aims of this research were to identify the siderophores of B. subtilis, to assess its activities as plant growth promoters and biological control agent of eggplants pathogens. Five isolates of B. subtilis i.e.B46, B209, B211, B298 and B 315 grown on SDCASA medium. The isolate which showed the best siderophores production was then further studied on its ability as a growth promoter on eggplants in two soil types with different Fe content. The inhibitory test was conducted against two kinds of pathogens, namely Colletotrichum sp. and Ralstonia solanacearum. The greenhouse experiment was arranged using a factorial completely randomized block design. The first factor was the B. subtilis (B. subtilis B298 and without B. subtilis B298), second factor was the type of soil (Ultisol and Andisol). The variables measured were Fe uptake by plants, plant growth parameters on eggplant i.e. height, leaf number, root length, root volume, weight of fresh and dried shoot as well as fresh and dry root, percentage of inhibition to fungal and bacterial eggplant pathogens. The results showed that the five isolates of B. subtilis were able to produce siderophores as catecholate and hydroxamate types. The best siderophore production was showed by B. subtilis B298. The ability of B. subtilis B298 in accelerating the growth of plants was indicated by the increased of uptake Fe, plant height, leaf number, root volume, weight of dried plants by 45.62%, 25.48%, 19.45%, 41.10% and 34.89% respectively. The inhibition to the fungal and bacterial eggplant pathogens best shown by the isolates of B. subtilis B298 with 55.4% and 22 mm respectively.

UJI PENDAHULUAN PENGARUH EKSTRAK AIR DARI TUMBUHAN TERHADAP KETERJADIAN KARAT PADA CAKRAM DAUN KOPI DI LABORATORIUM Ginting, Cipta; Mujim, Subdi; Evizal, Rusdi
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 4, No 1 (2004): Maret, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

Preliminary test on the effect of water extract from plants on rust incidence on coffee leaf disks at the latroratory. The objective of this study was to determine the influence of several water extract from plants on rust incidence on coffee leaf disk a laboratory condition. The study was done from March to June 2003. Treatments were arranged in a randomized complete block design with four replications, One experimental unit consisted of eight leaf disks with 2 cm in diameter. To prepare water extract, 1 00 g of plant or its part was homogenized with 100 ml sterilized distilled water. After being passed through four layers of sterilized cheesecloth, the mixture was defined as the aliquot. Ten percent of the aliquot was sparyed on leaf disks before inoculation. As inoculum, uredospores developed on leaves under field condition were taken with sterilized scalpel and placed in sterilized distilled water and counted with hemacyometer to get suspension (4x105 uredospores per ml) spores per ml). Data on disease incidence were analyzed with ANOVA and Duncan test. The results showed that disease incidence was significantly reduced by water extract processed from the leaves of Piper betle, Azadirachta indica, and Eugeni aromatica, the rhizomes of Zingiber afficinale and Curcumq longa, stem of Cymbopogon citratus, Allium ascalonium, A.sativa, and copper fungicide. Disease was not significantly reduced in leaf disks sprayed with extract prepares from the leaves of Piper retrofractum, P. nigrum, the rhizomes of Imperata cylindrica and Alpina galanga, A. cepa,Ageratum comysoides, and Elephantopus scaber.

KERAPATAN DAN VIABILITAS KONIDIA BEAUVERIA BASSIANA DAN METARHIZIUM ANISOPLIAE PADA MEDIA IN VITRO PH RENDAH Rizkie, Lilian; Herlinda, Siti; ., Suwandi; Irsan, Chandra; ., Susilawati; Lakitan, Benyamin
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 2 (2017): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Conidial density and viability of Beauveria bassiana and Metarhizium anisopliae grown on the low-pH in vitro medium. Liquid bioinsecticide with active ingredient from conidial entomopathogenic fungus has major constraints, namely short shelf life due to declining conidial viability and density is caused by low pH in the bioinsecticide carrier. This experiment aimed to measure the loss of conidial viability and density of Beauveria bassiana and Metarhizium anisopliae isolates grown on in vitro medium with low pH. Entomopathogenic fungus isolates were used as much as 28 isolates grown on in vitro medium at low pH, namely pH 5, 4, 3, and 2. The results showed that the fungus isolate that had the highest conidial density on in vitro medium at pH 5 was found on isolates of B. bassiana with code BPcMs (2.583 x 109 conidia mL-1), while the lowest one was found on isolates of B. bassiana with code of BWS Pantura (0.825x109 conidia mL-1). All isolate conidial density from in vitro medium with pH 2 decreased regularly. Conidial density of BPcMs isolate decreased to 2.483 x 109conidia mL-1, as well as BWS Pantura isolate also decreased to 0.425x109 conidia mL-1. The highest conidial viability at pH 5 was found on isolates of B. bassiana with code of BPcMs (51.572%), while the lowest conidial viability was found on isolate of B. bassiana with BTmPc code (15.040%). At pH 2, almost isolates tested had low conidial viability. The conidial viability of isolates BPcMs decreased to 47.037%%, while the isolates BTmPc also decreased to 12.778%. Therefore, the lower of the pH of the in vitro medium was, the lower of conidial viability and density of B. bassiana and M. anisopliae was

PENGARUH APLIKASI ABAMEKTIN TERHADAP KEMELIMPAHAN LALAT PENGOROK DAUN DAN PARASITOIDNYA PADA PERTANAMAN KENTANG ., Purnomo
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 4, No 1 (2004): Maret, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

Effect of application of abamectine on the abudance of leafminer flies and its parasitoids on potato fields. The objective of research was to investigate the effect of the application of abamectine insecticide on the infestation of potato leafminer and its parasitoid. The fields experiment was conducted on potato fields in Pangalengan ? Bandung, West Java in 2000. The result showed that the abamectine-insecticide significantly reduce the plant damage intensities, the number of mining per plants, and the percentage of leaf damage. In addition, the application of abamectine insecticide was not significantly affected the level of parasitism and the number of parasitoid Hemiptarsenus varicornis (Girault) (Hymenoptera:Eulophidae) and Opius sp. (Hymenoptera: Braconidae) that were emerged from leaf sample. The abamectine insecticide has a good possibilities to be used as an alternative for controlling of the leafminers before another technology was found.

PENGARUH FRAKSI EKSTRAK DAUN PACAR CINA (AGLAIA ODORATA L.) TERHADAP PERTUMBUHAN COLLETOTRICHUM CAPSICI PENYEBAB PENYAKIT ANTRAKNOSA PADA CABAI (CAPSICUM ANNUUM L.) SECARA IN VITRO ., Efri; Aeny, Titik Nur; Maryono, Tri; Ronalddi, Eko
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 2 (2017): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Influence of Aglaia odorata L. leaf extract on in vitro growth of chilli antrachnose fungi (Colletotrichum capsici). Pacar cina (Aglaia odorata L.) is known as one of the potential herbs as fungicides. The objective of this study was to determine The effectiveness of various leaf extract fractions of pacar cina as a fungicide to suppress the in vitro growth of C. capsici, The causal agent of anthracnose disease on chili. This study consisted of two sub-experiments. The first experiment consisted of 12 treatments: leaf extract fractions with distilled water solvent, leaf extract fractions with ethanol solvent with a concentration of 10, 20, 30, 40, 50, 60, 70, 80 and 90%, propineb 0.2 % (synthetic fungicides) and control (without fungicide). The Second experiment consisted of 12 treatments: leaf extract fractions with distilled water solvent, leaf extract fractions with the solven of n-hexane at a concentration of 10, 20, 30, 40, 50, 60, 70, 80 and 90%, propineb 2% (synthetic fungicides), and control (without fungicides). The treatmentswerearranged by completely randomized design (CRD) with three replications. Variables measured in this experiment were colony diameter and density of spores of C. capsici. Data were analyzed by analysis of variance (ANOVA) and differences between the mean values was tested by Duncan Multiple Range Test (DMRT) with the level of 5% significant different. Additionally, leaf extract that effectively inhibited the growth of C. capsici was the fraction of the leak extract with 80% ethanol solvent and 10%, 60%, and 90% n-hexanesolvent. The result showed that the leaf extract fraction of pacar cina was potentially used as fungicide to inhibit the growth of C. capsici.

BIOLOGI DAN NERACA HAYATI KUTU PUTIH PEPAYA PARACOCCUS MARGINATUS WILLIAMS & GRANARA DE WILLINK (HEMIPTERA: PSEUDOCOCCIDAE) PADA TIGA JENIS TUMBUHAN INANG Maharani, Yuni; Rauf, Aunu; Sartiami, Dewi; Anwar, Ruli
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 16, No 1 (2016): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Biology and life table of papaya mealybug Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae) on three host plant species. The papaya mealybug, Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae), has been considered as a new invasive pest causing heavy damage on papaya in Indonesia since 2008. The pest is polyphagous with more than 55 host plant species. Study was conducted in laboratory with the objectives to determine developmental biology and life table parameters of the mealybug feeding on papaya, physic nut, and cassava leaves. Host plant species affected papaya mealybug performances. Egg stage lasted 7.25, 8.09, and 9.86 d on papaya, physic nut, and cassava, respectively. The shortest female nymphal developmental time was on papaya (18.91 d) and the longest on cassava (32.45 d). Longevity of adult males ranged from 1.09-2.85 d while females 12.29-14.93 d. When the mealybugs were reared on a seedling, the fecundity was higher on papaya (324.6) than those on physic nut (186.6) and cassava (157.5). No egg production occurred in virgin females. The sex ratio of P. marginatus favoured females, which comprised about 90% of population on papaya and cassava. The intrinsic rate of increase (rm) was significantly different among hosts, with the highest rate (0.117 female offspring/female/d) on papaya, followed by physic nut (0.079) and cassava (0.057). The maximum values of rmalong with net reproductive rate (Ro) and finite rate of increase(?), and the shortest mean generation time (T) and doubling time (Dt) on papaya, indicating that papaya was the more favorable host plant for P.marginatus.

RESPON GENOTIPE KEDELAI BIJI BESAR DAN UMUR GENJAH TERHADAP KOMPLEKS HAMA PENGISAP POLONG Bayu, Marida Santi Yudha Ika; Krisnawati, Ayda; Adie, M. Muchlish
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 2 (2017): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Response of large seed size and early maturing soybean genotypes against pod sucking bugs complex. Pod sucking bugs (Hemiptera: Pentatomidae) is the most detrimental pest on soybean in Indonesia. These pest attacks caused the decreasing of quality and quantity of yield as well as decreased seed germination. The use of resistant varieties is an alternative control which is environmentally friendly. The objective of this study was to determine the response of various soybean genotypes against pod sucking complex in the field. The experiment was conducted on June to September 2015 in Pasuruan, East Java. The treatment was arranged in randomized block design, 16 treatments with three replicates. The treatment consists of 14 soybean promising lines (G 511 H/Anj//Anj///Anj-11-2, G 511 H/Anjasmoro-1-6, G 511 H/Anj//Anj///Anj-7-1, G 511 H/Anjasmoro//Anjasmoro-5-1, G 511 H/Argom//Argom-2-1, G 511 H/Anjasmoro-1-4, G 511 H/Anjasmoro-1-2, G 511 H/Anjasmoro//Anjasmoro-2-8, G 511 H/Arg//Arg///Arg///Arg-12-15, G 511 H/Anj// Anj///Anj-6-3, G 511 H/Arg//Arg///Arg///Arg-19-7, G 511 H/Anjasmoro-1-7, G 511 H/Anj//Anj///Anj////Anjs-6-7, G 511 H/Anjasmoro-1-4-2), and two varieties (Anjasmoro and Grobogan). The results showed that the differences in soybean genotypes significantly influence the intensity of damaged pod and seed caused by pod sucking bugs. The intensity of damaged pod was 29.8?64.0% per plant. The intensity of damaged seed was 13.2-63.9% per plant. The number of puncture was 1.2-1.6 punctures per pod and 0.6-2.7 punctures per seed. Based on the intensity of damaged pod and seed, genotipe G 511 H/Anjasmoro//Anjasmoro-2-8, G 511 H/Anjasmoro-1-2, and G 511 H/Anjasmoro-1-6 were indicated consistently as moderately resistance against pod sucking complex. Those three genotypes could be use as a source of genes to improve the resistance of soybean against pod sucking bug.

AKTIVITAS INSEKTISIDA BAGIAN TUMBUHAN CALOPHYLLUM SOULTTRI BURM.F. (CLU IACEAE) TERHADAP LARVA LEPIDOPTERA Syahputra, Edy; Manuwoto, Syafrida; Darusman, Latifah K; ., Dadang; Prijono, Djoko
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 4, No 1 (2004): Maret, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

The objective of this test was evaluate the insecticidal activity of ectract of some parts of Calophyllum soulattri (Clusiaceae) against larvae of three species of Lepidoptera, i. e Crocidolomia pavonana, Plutella xylostela, and Pieris sp.. Extraction of plant materials was done by infusion method using ethanol. The bioassays were conducted by leaf-feeding method. Second-instar larvae were fed extract-treated broccoli leaves of 48 hours, then they were presented with untreated leaves until the surviving larvae larvae reached the fourth-instar stage. The number of dead larvae was recorded daily an larval mortality date were analyzed by probit method. The result showed the gummy bark exudates and bark extract of old and young C. soulattri plants were highly active against C. pavonana. The abrk extact of old C. soulattri plant was also effective against P. xilostella and Pieris sp. The gummy exudates possessed strong insecticidal activity against C. pavonana larvae with LC50 of 0.04% and prolonged the developmental time from second to fourth instar of C. soulattri 2.03-7.25 days compared with control. The bark excudate gave positive respon to alkaloid flavonoid, and tannin test. Futher studies are needed to identify insecticidal compound in those active extracts.

INFLUENCE OF CULTURE MEDIUM ON THE SPORULATION AND VIABILITY OF ASPERGILLUS SPP. AND TALAROMYCES SPP. ENTOMOPATHOGENIC FUNGI Fitriana, Yuyun; Suharjo, Radix; Swibawa, I Gede; ., Purnomo; Lestari, Puji; Merdiana, Eryka
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 18, No 1 (2018): MARCH, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Influence of Culture Medium on the Sporulation and Viability of Aspergillus spp. and Talaromyces spp. Entomopathogenic Fungi. The purpose of this study was to determine the effect of three kinds of cultures media on the spore production and viability of Aspergillus spp. (AS1, 6, 7, 9) and Talaromyces spp. (AS2?5, 8, 10) entomopathogenic fungi. This study was arranged using Factorial-Completely Randomized Design (CRD) with 2 factors and 3 replications. The first factor was three kinds of cultures media (potato dextrose agar (PDA), corn meal agar (CMA), and sabouraud dextrose agar (SDA)) and the second one was isolates of Aspergillus spp. Or Talaromyces spp.. Data of spore production and spore viability were tested using ANOVA and if there was significantly difference, the data then further analyzed using Tukey?s Honestly Significant Difference (HSD) test at 5% of significant level. The spore production of Aspergillus spp. were in the range of 0.58 - 14.27 x 108 spores mL-1 (PDA); 0.28 ? 2.68 x 108 spores mL-1 (SDA) and 1.85 - 5.33 x 108 spores mL-1 (CMA). The highest spore production was achieved by AS1 isolate that was grown on PDA media. The spore produced by Talaromyces spp. were in the range of 2.15 ? 28.62 x108 spores mL-1 (PDA); 0.28 ? 29.43 x108 spores mL-1 (SDA); and 1.88 ? 16.63 x108 spores mL-1 (CMA). The highest spore production was produced by AS8 isolate which were cultured on PDA. The spore viability among isolates of the two entomopathogenic fungi were not significantly different. The spore viability of Aspergillus spp. was in the range of 95.10 ? 97.66% (PDA), 94.02 ? 98.45% (SDA) and 92.86 ? 98.20% (CMA). The spore viability of Talaromyces spp. was in the range of 95.83 ? 100% (PDA), 85.83 ? 100% (SDA), and 90.75 ? 100% (CMA). Culture medium influenced spore production but not the spore viability. The best culture media used for spore production of both of the entomopathogenic fungi was PDA media.

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