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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.3, Juli 2015" : 8 Documents clear
Pengaruh Populasi Cacing Tanah dan Jenis Media Terhadap Kualitas Pupuk Organik NI KOMANG SUCI PRASTIWI SUCIPTA; NI LUH KARTINI; NI NENGAH SONIARI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT The Effect of Population and Media Type on the Quality of Organic Fertilizer The research was conducted in the soil Laboratory, of Agroecotechnology Department/Study Program, Faculty of agriculture, Udayana University on January to April 2014. The purpose of this study is to know the influence of earthworm populations and types of media on the quality of organic fertilizers. The materials used in the study of household waste (vegetable), cow dung, elephant dung and earthworms. The design of the study is randomized block design factorial. Treatment consisted of 16 combinations treatment, each combination was repeated 3 times so that became 48 treatments. The first factor consisted of cow dung media, elephant dung, vegetable waste mixed cow dung and vegetable waste mixed elephant dung. The second factor is earthworms population consisted of 10, 20 and 30. The results of the interaction treatment study showed significant effect to highly significant to : C/N ratio, earthworm population, organic-C, total-N, the population of the earthworm eggs and the total population microorganisms. Instead of variable P, and pH. The best quality of organic fertilizer in this study is cows dung and 20 earthworms seen from the earthworm population, the number of worm eggs, and P-available.   Keywords : earthworms, the type of media, organic fertilizer
Pengaruh Dosis Pupuk Kascing Terhadap Hasil Tanaman Sawi (Brassica juncea L.), Sifat Kimia Dan Biologi Pada Tanah Inceptisol Klungkung KOMANG MELATI NUSANTARI KUSUMA SINDA; NI LUH KARTINI; I WAYAN DANA ATMAJA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT   The Effectt of Vermicompost Dose on Mustard Plant (Brassica juncea L.) Result, Some Characteristics of Chemistry and Biological Inceptisol Soil Klungkung   This study was carried out on Inceptisol soil in Timuhun village Banjarangkan District, Klungkung and Soil Laboratory of Agroecotechnology Departemen / Studi Program, Faculty of Agriculture, Udayana University on March until April 2014. The purpose of this study was to determine the effect of vermicompost dose on Mustard Plant product, some chemical, biological soil, characteristics and determine the best dose vermicompost. The study design was a Randomized Group Design. The treatments used are organic vermicompost consisting of 9 levels i.e. O0 : Control; O1 : 2,5 ton ha-1 ; O2 : 5,0 ton ha-1 ; O3 : 7,5 ton ha-1; O4 : 10,0 ton ha-1 ; O5 : 12,5 ton ha-1 ; O6 : 15,0 ton ha-1 ; O7 : 17,5 ton ha-1 ; O8 : 20,0 ton ha-1. Each treatment was repeated 3 times so that required 27 experimental plots. The observation result of mustard plants made by counting the number of plants leaves, measuring fresh plot and dry plot weight. Analysis of chemical characteristic is done by calculating the total-N soil, available P, organic C, and soil pH. Analysis of the biological characteristics of the soil is done by calculating the population of microorganism. The results showed that vermicompost heavily influence the mustard plant product, chemical and biological soil characteristics. Vermicompost dose could increase the number of leaves 1.33%; 8.79% of plot fresh weight 8.35% plot dry weight; 1,41% of total-N soil; 5.56% available-P soil; 3,11% C-organic soil; 0,07% soil pH and 12,89 total population of soil microorganisms.   Keywords : mustard plants, vermicompost.
Uji Efektivitas Bahan Hayati Dari Cacing Tanah (Lumbricus Rubellus) Terhadap Perkembangan Populasi Nematoda Puru Akar (Meloidogyne Spp.) Pada Tanaman Tomat Varietas Karina (Lycopersicum Esculentum Mill.) SUNARTI TAMBUNAN; MADE SRITAMIN; I DEWA PUTU SINGARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT The Effectiveness Test of Biological Materials from the Earthworm (Lumbricus rubellus) to the Development of Root Knot Nematodes Population (Meloidogyne spp.) on the Tomato Crops of Karina Variety (Lycopersicum esculentum Mill.)   Tomato (Lycopersicum esculentum Mill.) is one of the agricultural commodities with high economic value and widely consumed both as a vegetable and spice, and is often used as fresh fruit and healthy beverage ingredients. The aim of this study was to determine the ability of biological materials of earthworms (L. rubellus) to suppress the development of root knot nematode populations (Meloidogyne spp.), and the level of effectiveness in suppressing the development of Meloidogyne spp. This treatment consists of 5 different types of biological material treatment, namely the earthworm L. rubellus (10 birds per adult earthworms plants), fresh extract of L. rubellus (at a dose of 100 cc per plant), manure (compost) L. rubellus (dose of 100 cc per plant), capsules L. rubellus (dose of 100 cc per plant), and urine L. rubellus (dose of 100 cc per plant). The results showed that treatment using biological material from dung (vermicompost) of earthworm L. rubellus was the most effective in suppressing the development of root knot nematode population of Meloidogyne spp. in 300 g of soil that is 12 earthworms/300 g soil with an emphasis percentage of 97.6%. In the calculation of the nematode population Meloidogyne spp. per 1 g of roots, the results showed that treatment with biological material of adult earthworms L rubellus was the most effective in suppressing the development of root knot nematode population of Meloidogyne spp. ie 35 earthworms / 1 g of roots with an emphasis percentage of 93%.   Keywords: Lumbricus rubellus, Lycopersicum esculentum Mill., and Meloidogyne spp.
Analisis Kualitas Larutan Mol (Mikroorganisme Lokal) Berbasis Ampas Tahu NI WAYAN MARSININGSIH; A A NGURAH GEDE SUWASTIKA; NI WAYAN SRI SUTARI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT   Analysis of Local Mikroorganisms Solution Quality Based on Tofu dregs. The experiment was conducted at the Soil Laboratory, Faculty of Agriculture, Udayana University in January until March 2014. The purpose of this research was to determine the effects of concentration and length of fermentation tofu dregs to the quality of local microorganisms solution. The design of this research used a randomized block design factorial pattern. The first factor was the concentration of tofu dregs consisted of 0 g; 300 g; and 600 g. The second factor was the length of fermentation, consisted of one, three, and five weeks. The observed parameters are: the nature of biological, physical and chemical solution of local microorganisms. Physical characteristics include color and odor, biological properties covering a total population of bacteria and fungi. Chemical properties include pH, total-N content, and available-P. The result of this research showed that treatment of 600 g tofu dregs and five weeks length of fermentation provides the best results. It can be seen from the total population  bacteria  (29,80 x 108 cfu mL-1), total-N (0,06 %) and available-P (199,38 mg kg-1).   Keywords: tofu dregs, concentration, length of fermentation, local microorganisms
Interpretasi Citra Satelit Landsat 8 Untuk Identifikasi Kerusakan Hutan Mangrove di Taman Hutan Raya Ngurah Rai Bali I WAYAN RUMADA; A. A. ISTRI KESUMADEWI; R. SUYARTO
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT A study of Landsat 8 satellite image interpretation for identification of mangrove forest destruction in Forest Park Ngurah Rai Bali A study of Landsat 8 satellite image interpretation for identification of mangrove forest destruction in Forest Park Ngurah Rai Bali, was conducted in March-July 2014. The study was aimed to determine the damage and condition of the mangrove forest in 2013. Remote sensing techniques was applied through analysis and interpretation of NDVI (Normalized Difference Vegetation Index). The landsat 8 image that was used in this study issued by (USGS 2013), and the path and row was (116/66). The NDVI result was confirmed by purposive field survey on selected area. The results of the study showed that the damage on mangrove Forests can be classified into three classes based on NDVI analysis. These classification was as follows (a) severely damaged with an area of ??20,25 hectares, (b) slightly damaged with an area of ??22,86 hectares, and (c) not damaged with an area of ??1.042,02 Ha. According to this finding the accuracy of NDVI analysis for identification mangrove canopy density in this study was 75% for mangrove land use type 90%. Keywords: NDVI (Normalized Difference Vegetation Index), Satellite Imagery, Mangrove Forest Damage Level.
Uji Efektifitas Berbagai Konsentrasi Ekstrak Daun Tanaman Terhadap Penekanan Populasi Nematoda Puru Akar (Meloidogyne spp.) dalam Tanah, Akar, dan Produksi Tanaman Tomat (Lycopersicum esculentum Mill.) NI MADE PUTRI YUDANTARI; MADE SRITAMIN; I DEWA PUTU SINGARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Test the Effectiveness of Various Concentrations of Plant Leaf Extracts Against Root Knot Nematode Suppression (Meloidogyne spp.) In Soil, Roots, and Production Tomato Plants (Lycopersicum esculentum Mill.). Root knot disease is a disease caused by root knot nematodes Meloidogyne spp. Nematodes grown on the roots of plants by inhibiting nutrients that interfere with the process of photosynthesis and stunted plants showing symptoms, while wilting, and permanent wilting on the plant at ground level. While the plants in the basement there is a knot at the root. In this study to control root knot Meloidogyne spp. using sirih (Piper betle Linn.), kirinyuh (Chomolaena odorata Linn.), and tembelekan (Lantana camara Linn.) with a concentration of 100 cc/polybag, 200 cc/polybag, and 300 cc/ polybag of each extract solution leaves the test.The results of the calculation of the population of nematodes per 300 g soil showed sirih extract suppressed the population of root knot nematodes Meloidogyne spp. the good, 23 pcs/??300 g soil, with an emphasis percentage of 95.4%, next is to extract kirinyuh 26 psc/300 g soil (94.7%), and extract tembelekan 27 psc/300 g soil (94.4 %). In the calculation of the population of root knot nematodes Meloidogyne spp. per 1 g of roots, extract of piper betle was the most good in suppressing root knot nematode populations, there are only 22 pcs/1 g roots, with a percentage of 95.5%, followed by extracts of kirinyuh 24 pcs/1 g roots (95.1%) , and extract of tembelekan 28 psc/1 g roots (94.3%).   Keywords: Chromolaena odorata Linn., Lantana camara Linn., Lycpersicum esculentum Mill., Piper betle Linn..
Identifikasi Virus Yang Berasosiasi Dengan Penyakit Mosaik, Kuning, Dan Klorosis Pada Tanaman Cabai Rawit (Capsicum Frutescens L.) I GUSTI NGURAH BAGUS PRANATA PUTRA; NI MADE PUSPAWATI; I DEWA NYOMAN NYANA; I KETUT SIADI; GEDE SUASTIKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Identification of virus that associated with Mosaic, Yellow, and Chlorosis disease on Chili Pepper (Capsicum frutescens L) This study aims to identify the types of viruses associated with mosaic, yellow, and chlorosis that infect the plants of chili pepper ( Capsicum frutescens L. ) in Kerta village, Gianyar. The method used is the ELISA (Enzyme Linked Immunosorbent Assay) and molecular techniques through PCR (Polymerase Chain Reaction). Research activities include (1) Survey endemic locations of viral diseases in Kerta village, Gianyar (2) Collecting leaf of chilli peper that shown, mosaic, yellowing and chlorosis (3) serology test by ELISA (4) molecular detection through PCR. The results show the percentage average of pepper plants showing mosaic symptoms (52.13%), yellow (22.75%), chlorosis (5.45%) and healthy plant (19.67%). Serology test by ELISA technique showed that the mosaic disease induced by the triple virus that is TMV, ChiVMV, and CMV, whereas yellow symptoms infected by PepYLCV and chlorosis symptoms, infected by Polerovirus. RT-PCR technique successfully amplify the target DNA fragment size of 650 bp for Polerovirus and PCR successfully amplified the target DNA fragment size of 700 bp for PepYLCV in accordance with the specific primers were used. Keywords : Chili pepper, mosaic , yellow, chlorosis
Kelimpahan Populasi dan Serangan Penggerek Batang Padi pada Tanaman Padi di Kabupaten Tabanan LUH TINA ARYANTINI; I WAYAN SUPARTHA; I NYOMAN WIJAYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Population Abundance and Rice Stem Borer Attack on Rice in Tabanan Regency Tabanan Regency is rice production center in Bali Province. In terms of rice production in 2009 Tabanan Regency can produce 242.000 tons of grain per year, still rice production in the field has many obstacles, one of which is the rice stem borer can attack plants in the vegetative phase and the generative phase. It is necessary for the proper control measures, through an ecological approach and monitoring system to control rice stem borer in the field. The pattern of population growth which include diversity and population dynamics of the rice stem borer in the field, it is helpful for decision-making in determining control strategies appropriate to the circumstances on the ground pests. Found four species of rice stem winches in Tabanan Regency. The fourth species is Scirpophaga incertulas Walker, Sesamia inferens Walker, Chilo suppressalis Walker, and Chilo polychrysus Meyrick. S. incertulas is the dominant species found at each altitude. Rice stem borer species diversity is low <1.5, The value of the index of similarity between the study site reached a value of 86 % and 100 % . The structure of the rice stem borer populations between egg , larva , pupa and imago fluctuate every stage of plant development and reached its peak at the age of  rice 2 Weeks after planting egg stage , 4 Weeks after planting on larval and imago , 5 Weeks after planting at the pupa stage. The highest population abundance indicated S. incertulas at an altitude <250 (0-250) masl (meters above sea level), with the highest attack percentage at a height <250 (0-250) masl.   Keywords: Rice stem borer, species diversity, abundance, percentage.

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