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E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
Published by Universitas Udayana
ISSN : 23016515     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
E-Jurnal Agroekoteknologi Tropika (JAT) adalah peer-reviewed, open access jurnal, diterbitkan oleh Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana. JAT menerbitkan hasil peneitian original dan review artikel dalam bidang Ilmu tanah dan lingkungan, Agronomi, hama dan penyakit tumbuhan, dan arsitektur lanskap. Penulis diharapkan mengimkan karya tulisnya yang belum pernah dipublikasikan, sedang di-review atau sedang dipertimbangkan untuk diterbitkan di jurnal atau media lain secara lengkap. Ruang lingkup JAT mencangkup, tetapi tidak terbatas pada bidang berikut: kimia dan kesuburan tanah, biologi tanah, fisika dan konservasi tanah, manajemen suberdaya lahan, pengendalian hama dan penyakit terpadu, hama tanaman, penyakit tanaman, biopestisida, bioteknologi tumbuhan, agronomi dan hortikultura, benih dan pemuliaan tanaman, ekofisiologi, dan arsitektur lanskap.
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol.4, No.1, Januari 2015" : 8 Documents clear
Pengaruh Penggunaan Mulsa Plastik Terhadap Kelimpahan Serangga Myzus persicae pada Tanaman Cabai Rawit (Capsicum frutescens L.) KADEK DWI UTAMA; I GUSTI NGURAH BAGUS; I KETUT SIADI; DEWA NYOMAN NYANA; GEDE SUASTIKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Effect of Plastic Mulch to Myzuspersicae Insect Abundance in Plant Cayenne Pepper (Capsicum frutescens L.)   Cayenne Pepperis one of theimportantvegetablesgrowncommerciallyinthe tropicsandoccupythe mostextensiveacreageamongother vegetablesin Indonesian. There are fivespeciesarecommonly cultivatedchiliCapsicumannuum(red pepper), C.frutescensL(cayenne pepper), andC.chinensis, C.bacctum, C.pubescens(chili gendot). However,theeconomicpotentialis a typeof chiliC.annuumandC.frutescensL. The purposeofthis study wastoknow theeffect of the useof plasticmulchoninsectabundanceMyzus persicaeoncropsandcayenne pepper. There arethree treatmentsbeing testedareplantingchiliusingblackplasticmulch(MH), a silverplasticmulch(MP) andplantingwithoutmulchorcontrol(K).The results showedthat theuse ofblack plasticmulchandsilverplasticmulchcannotpreventaphids andwhiteflyinchillicrop, however the presence ofblackplasticmulchandsilverplasticmulchcanreduceboththe insectpopulation. Key words :Cayenne Pepper,Myzus persicae, plastic mulch
Deteksi Cucumber Mosaic Virus (CMV) dan Chili Veinal Mottle Virus (ChiVMV) pada Gulma Commelina spp. di Pertanaman Cabai(Capsicum spp.) Melalui Teknik Uji Serologi dan Molekuler NI KADEK VENIARI; KETUT AYU YULIADHI; I DEWA NYOMAN NYANA; GEDE SUASTIKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Detection of Cucumber Mosaic Virus(CMV ) and Chilli Veinal Mottle Virus (ChiVMV) on Weed Commelina spp. In Cropping Chilli Pepper(Capsicumspp.) Through Serology and Molecular Test This study aims to determine the type of weed Commelina spp. which became an alternative host Cucumber mosaic virus (CMV) andChili veinal mottle virus (ChiVMV) in pepper, as well as the detection of CMV and ChiVMV which infects the weed Commelina spp. use molecular methods. DAS-ELISA (Double Antibody Sandwich-Enzyme Linked Immunosorbent Assay) and molecular techniques through RT-PCR (Reverse Transcription-Polymerase Chain Reaction) are used. Research activities include (1) Survey mosaic symptoms and disease incidence in the field; (2) Identification the type of weed that grows on pepper plants area; (3) Preservation of samples Commelina spp. weed and chili which virussymptomatic; (4) Test through DAS-ELISA serology; (5) Molecular detection by RT-PCR. The research proves that the weed Commelina spp. can be alternate hosts ChiVMV and CMV, also CMV and ChiVMV can infect weedsCommelina spp in chilicropping. DAS-ELISA test results show samples of the weed Commelina spp. and chili infected with Cucumber mosaic virus(CMV) and Chili veinal mottle virus (ChiVMV). RT-PCR technique successfully applyingDNA target fragment size of 657 bp and 900 bp for CMV and ChiVMV accordance with the specific primers used.   Keyword :Chili pepper, CMV, ChiVMV, weeds commelina
Penggunaan Trichoderma sp.dan Penyambungan untuk Mengendalikan Penyakit Utama Tanaman Tomat (Licopersicum esculentum Mill.) di Desa Bangli, Kecamatan Baturiti, Tabanan I PUTU BAWA ARIYANTA; I PUTU SUDIARTA; DWI WIDANINGSIH; I KETUT SUMIARTHA; GUSTI ALIT SUSANTA WIRYA; MADE SUPARTHA UTAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Utilization of Trichoderma sp. and Grafting to Controlthe Mayor Diseases of Tomato (Licopersicum esculentum Mill.) in Bangli Village, Baturiti, Tabanan Control of plant diseases is one of the constraints in the cultivation of tomatoes. Control method performed by farmers generally use synthetic pesticides, however that cause environmental pollution. The use of Trichoderma sp. and grafting is an environmentally friendly technology in controlling plant diseases. The purpose of this study was in order to determine the ability of Trichoderma sp. and the grafting between the eggplant EG203 strain as rootstock and scions tomatoes as to control major diseases and improve tomato production. This study used a factorial randomized block design with six treatments and four replications.Diseases were found in field tomatoes are late blight (Phytophthora infestans) and yellow curly leaf disease (Tomato Yellow Leaf Curl Virus). Statistical analysis showed that Trichoderma sp. and grafting can reduce the disease severity of leaf blight and increase the production of tomato plants, but was unable to control the disease yellow leaf curl. Average of disease severity of leaf blight on grafting with screen and Trichoderma sp. was lower (61.11 and 62.03%) when compared to treatment without grafting and without Trichoderma sp. (82.99 and 75.47%). Average of yields on treatment grafting with screen and Trichoderma sp. was higher (3912.50 and 3822.22 g/plant) compared to treatment without grafting and without Trichoderma sp. (2858.33 and 3280.55 g/plant). Keywords: disease of tomato, Trichoderma sp., and grafting.
Uji Keefektifan Rizobakteri dalam Menghambat PertumbuhanJamurColletotrichum spp. Penyebab Antraknosa pada Cabai Merah (Capsicum annuum L.) NI LUH GEDE SRIYANTI; DEWA NGURAH SUPRAPTA; I KETUT SUADA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Effectiveness of Rhizobacteria to Inhibit the Growth of Colletotrichum spp. the Cause of Antracnose on Red Chilli (Capsicum annuum L.) Colletotrichumspp. is one of pathogenic fungi that cause significant losses on red chilli. The use of rhizobacteria is considered as an alternative to control the growth of the fungus. The use of bio agent control is considered as selective and environmentally friendly. The aim of this study is to know the effectiveness of rhizobacteria and their filtrates in suppressing the growth of Colletotrichumspp. Results of this study showed that treatment with Pseudomonas fluorescens isolate TBZA on PDA medium could suppress the growth of Colletotrichumspp. by 94% when compared to control 14 days after inoculation. Treatment with filtrate of P. fluorescens isolate TBZA could suppress the anthracnose disease indicated by the lower disease incidence viz 32%. It is necessary to conduct further experiment under field condition to know the effectiveness of P. fluorescens isolate TBZA to suppress the growth of Colletotrichumspp. In addition isolation and identification of antifungal compounds in the filtrate is necessary to be done. Keywords: rhizobacteria, biologicalagents, and Colletotrichumspp.
Pengendalian Penyakit Antraknosa (Colletotrichum gloeosporioides Penz)pada Buah Jeruk Siam (Citrus nobilis var. microcarpa) dengan Menggunakan Minyak Atsiri Cengkeh dan Sereh Dapur KADEK INTAN SURYANINGSIH; I MADE SUDANA; I KETUT SUADA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT   Anthracnose (Colletotrichum gloeosporioides Penz) DiseaseControlon “Siam”Orange (Citrus nobilis var. microcarpa) by UsingEssential Oilsof CloveandLemongrass The experimental designwas used Factorial Completely Randomized Design, with two  factors: FactorI : CloveEssential Oil with six treatmentstestedconcentration of 0.2%, 0.4%, 0.6%, 0.8%, 1% andwithoutconcentration. FactorII :LemongrassEssential Oil with six treatmentstestedconcentration of 0.2%, 0.4%, 0.6%, 0.8%, 1% andwithoutconcentration. The resultsshowedthat theessential oilof cloveandlemongrassconcentrations below1% cansuppressthe growth offungiC.gloeosporioides. The minimumconcentration ofcloveessential oiltreatmentsthat block100%is0,6% andlemongrassessential oilis0,4%. The effectiveness oflemongrassessential oilis higher thancloveessential oils.   Keywords: Orange,anthracnose, clove, lemongrass
Hubungan Sifat Fisika dan Kimia Tanah dengan Persentase Penyakit Layu pada Tanaman Cengkeh (Syzygium aromaticum l.) yang Disebabkan oleh Jamur Akar Putih (rigidoporus sp.) di Desa Unggahan, Kabupaten Buleleng PUTU AGUSIKA APRIAST; I MADE SUDANA; I MADE SUDARMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Correlation Soil Physical and Chemical Properties with Disease Incidence on Plants Clove (Syzygium aromaticum L.) Caused by White Root Fungus (Rigidoporus sp.) in Unggahan Village, Buleleng Regency Correlation soil physical and chemical properties with disease incidence on plants clove (Syzygium aromaticum L.) caused by white root fungus (Rigidoporus sp.) In the village of Unggahan, Buleleng Regency aims to determine the correlation between physical and chemical properties of the soil with the disease incidence the clove plant wilt disease and the rate of infection in plants cloves.The method used in this study is a survey method.This research was conducted at three locations of the different by taking five samples randomly cloves at each study site.The results showed that soil physical and chemical properties that have a real relationship with the percentage of wilt disease in plants clove is soil organic matter, soil pH, soil temperature, and soil moisture.Soil organic matter, soil pH, and soil temperature has a negative correlation with the percentage of wilt disease on the clove plant, while soil moisture has a positive correlation with the disease incidence in plants cloves.The infection rate in the three study sites showed the same average is 0.1 per unit per day. Keywords:physical and chemical properties of the soil, the percentage of disease, and the infection rate
Isolasi dan Karakterisasi Cendawan Mikoriza Arbuskular pada Tanah dan Akar Tanaman Jagung di Desa Sanur Kaja I WAYAN PRASTITA DIASTAMA; I GEDE KETUT SUSRAMA; I GEDE PUTU WIRAWAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Isolation and Characterization of Mycorrhizae Arbuskular Fungi in the Soil and Roots of Corn (Zea Mays L.) in the Sanur Kaja Village Mycorrhiza is an organism that is derived from the fungus that describes a form of symbiotic relationship between mutualisme functions with a high degree of plant roots. Benefits of mycorrhiza for plant growth and development as its host is to increase the absorption of nutrient elements of soils, as biological barrier against infection of root pathogen, enhancing the resilience of crops to drought and increasing hormone boosters grows.This research aims to identify a Arbuskular Mycorrhiza fungi isolated from corn plants rhizosphere in the village of Sanur Kaja. The results of this research show that the isolation and characterization of spores that develop on the roots of corn in the village of Sanur Kaja indicates a growing spores there is the genus Glomus sp. type of Spore that successfully identified a species of Glomus sp-1, Glomus sp-2, Glomus sp-3. Key words:Glomus sp, rhizosphere, symbiotic mutualisme
Kajian Potensi Bakteri Lumpur Lapindo sebagaiAgens Hayati terhadap Pyriculariaoryzaedan Agens Biostimulan pada Tanaman Padi ROYAN PRACAHYO; KHAMDAN KHALIMI; GEDE WIJANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT The study of bacteria isolated from Lapindo mud as a bio-control  agents  against  P. oryzae and bio-stimulant agents in rice plant Rice (Oryza sativa L.) is the staple food of more than 60% of the world’s population. One of the cause for the low productivity of rice in indonesia is the occurrences of rice blast disease caused by Pycularia oryzae . This study was done to evaluate the potential use of  bacteria isolated from Lapindo mud as bio-control  agents  against  P. oryzae and bio-stimulant agents in rice plant. The result showed that three isolate of  bacteria isolated from Lapindo mud namely AA1, 20M14, and ZB11 significantly (P<0,05) inhibited the growth of  P. oryzae on Potato Dextrose Agar (PDA) medium with  inhibitory  activity  varied  85,07%, 86,58%, and 70,82%. Ten isolates of  bacterial  isolated from Lapindo mud significantly improved the growth of rice seedling. In which the plant heigth, number of root, content of chlorophyll in the leaf, number of  lateral  root  length of root, and the fresh and dry weight of plant significantly (P<0,05) higher on treated plant when compared to control. This is result suggested that three isolates of bacteria isolate from Lapindo mud can be further developed as bio-control agents to inhibit the P. oryzae growth and ten isolates of bacteria isolated from Lapindo mud can be used as bio-stimulan agents. Keywords:Bacteria, Pycularia oryzae, Oryza sativa L.

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