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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 468 Documents
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Uji Galur Dan Varietas Tanaman Cabai terhadap Serangan Hama Lalat Buah (Bactrocera dorsalis Complex) di Dusun Sandan, Desa Bangli, Kecamatan Baturiti, Kabupaten Tabanan NI MADE DWI ANTARI; I KETUT SUMIARTHA; NI NENGAH DARMIATI; I PUTU SUDIARTA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.2, April 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Cultivars and Varieties Test of Chili Plants Against Fruit Flies (Bactrocera dorsalis Complex) at Sandan, Bangli Village, Baturiti District Tabanan Regency The experiment was conducted at Sandan, Bangli Village, Baturiti District Tabanan Regency, in February to June 2012. In this study all cultivars and varieties of long chilies were cultivated with treatments such as in the field. The purpose of this study was to determine the cultivars and varieties of chilies plants that resistant to fruit fly (Batrocera dorsalis complex),  to determine the number of branches and plant height were associated with yields as well as to determine the characteristics that influence the percentage of fruit fly infestation on fruit and results obtained for each long chilies plants. This study used a randomized block design (RBD) with three replications. The result revealed that the higest fruit flies infestation on AVPP 1004 while the lowest fruit flies infestations on local Kencana in 114 days after transplanting. High and low levels of infestation influenced by the environmental factor and characteristics of the fruit. The fruit characteristic of AVPP 1004 have thicker flesh than the local Kencana varieties, it can be seen from the fruit weight of cultivar AVPP 1004 (20.46 g) and local Kencana varieties (3.70 g). Keyword: Bactrocera dorsalis complex, long chili cultivars, the level of infestation.
Aplikasi Sistem Informasi Geografis (SIG) untuk Kajian Banjir di Kota Denpasar NI KOMANG RINI RATNA DEWI; I WAYAN NUARSA; I WAYAN SANDI ADNYANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.2, April 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Application of Geographic Information System (GIS)For Study of Flood in Denpasar City Denpasar city in general situation has flat area, high rain fall intensity and the dominated landuse of settlement. This condition can reduce the catchment area. This leads Denpasar City become potential for the occurrence of flooding. Therefore, it needs to do research about flood occur in Denpasar.The aim of this research is to find out level of flood vulnerability and it’s spatial distribution in Denpasar. Weighting, scoring and overlay method were used in this research. There are six indicators were analyzed using Geographic Information System (GIS) such as landused, rainfall, type of soil, slope, altitute and drainage density.The result of this research is a map of flood vulnerability in Denpasar City. There are four class of flood vulnerability. Total of the area classified as low, medium, high and very high of flood level are 0,225 hectares (0,002%), 251,73 hectares (2,11%), 4686,7 hectares (38,91%), and 7107,08 hectares or 59% rispectively. Flood vulnerability is spread in entire village in Denpasar City with the varies level. It cause different physical condition area. Low vulnerability level up to medium is spread in North Denpasar Sub-District. High level vulnerability is spread in East Denpasar Sub-District and very high level vulnerability is distributed in West Denpasar and South Denpasar Sub-District.
Efektivitas Trichoderma sp. yang Ditambahkan pada Kompos Daun untuk Pengendalian Penyakit Layu Fusarium pada Tanaman Stroberi (Fragaria sp.) di Desa Pancasari Kabupaten Buleleng SONIA ASHA HASARI; I GEDE RAI MAYA TEMAJA; I PUTU SUDIARTA; GUSTI NGURAH ALIT SUSANTA WIRYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Affectivity of Trichoderma sp. that Added in Leaf Compost to Control Fusarium Wilt Diseases on Strawberry Plants (Fragaria sp.) in Pancasari Village Buleleng RegencyThis research purpose in order to find the best concentrations of Trichoderma sp. which is added into the leaf compost to control fusarium wilt disease on strawberry plant. This research was conducted on December 2017 to March 2018 in Plant Diseases Laboratory of Udayana University and Pancasari Village, Sukasada District, Buleleng Regency. The experimental design used a Randomized Block Design (RBD) with six treatments and four replications, for each treatment consists of ten plant units. Observation variables in this research are disease percentage, Trichoderma sp. population on the ground, plant height, yield, and the weight of plants. The results showed that Trichoderma sp. treatment which were added into leaf compost is more effective to control the fusarium wilt diseases on strawberry plants rather than control treatments. P5 is the best treatment as it has the lowest disease percentage for around 20%, stimulate the highest growth of the plants into 25.8 cm, and has the highest yields 187 g.
Pengendalian Jamur Akar Putih (Rigidoporus sp.) Penyebab Penyakit Layu pada Tanaman Cengkeh ( Syzygium aromaticum L. ) secara Hayati dan Nabati di Rumah Kaca I KOMANG JULIARTA; MADE SUDANA; WAYAN ADIARTAYASA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.2, April 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Controlling Root Fungus White (Rigidoporus sp.) Causes wilt disease in plants Clove (Syzygium aromaticum L.) in Biological Greenhouse Control of Root White Fungus (Rigidoporus sp.) Causes wilt disease on clove plants (Syzygium aromaticum L.) by using Biological and Botanical controls in Greenhouse, Aims of this study to determine the effectiveness of plant-based materials and the biological control of wilt disease on cloves plants. The method used in this study was a completely randomized design. This research was conducted in the greenhouse using 10 treatments and 3 replications. The results showed that the treatment of some biological and Botanical controls in the trials showed that the treatment of P. fluorecens have the ability to encourage vegetative growth of cloves plants, and Trichoderma sp. is able to reduce the degree of damage to the plants wilt disease of cloves. Keywords: Cengkeh, the degree of damage, Rigidoporus sp., biological and botanical controls
Aplikasi Teknik Polymerase Chain Reaction (PCR) Terhadap Variasi Gejala Penyakit Citrus Vein Phloem Degeneration (CVPD) pada Beberapa Jenis Daun Tanaman Jeruk GUSTI PUTU DINTYA PUTRA; WAYAN ADIARTAYASA; MADE SRITAMIN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.2, April 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Application Polymerase Chain Reaction (PCR) Technique to Variation Symptoms Disease Citrus Vein Phloem Degeneration (CVPD) on Several Types of Citrus Leaves CVPD disease is one of the major diseases in citrus plant. CVPD disease spread from plant to plant by insect vectors Diaphorina citri, and from one region to another region infected by seed. CVPD disease causes symptoms, the leaves become chlorotic with veins remain green. This study aims to determine the PCR method can detect CVPD of citrus from mild to severe symptoms. CVPD symptoms observed on several types of citrus leaves (Siam, Selayar, Besakih, Tejakula, Sweet, Purut, Lime, Lemo, and pomelo) showed chlorosis symptoms from mild to severe. Then the plants were symptomatic will be identified molecular in the Biotechnology Lab. After electrophoresis on almost all samples showed DNA bands with size 1160 bp. Therefore 1160 bp was had bacteri Liberobakter, the plants reacted positive with Liberobakter asiaticum Keyword: CVPD, Liberobacter asiaticum, PCR
Pengaruh Konsentrasi GA3 Terhadap Induksi TunasTanaman Anggur (Vitis vinivera L.) Secara In Vitro SONDANG RAJAGUKGUK; RINDANG DWIYANI; I NYOMAN GEDE ASTAWA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.2, April 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect of GA3 Concentration on The Induction of Grapevine (Vitis vinifera L.) Shoots Grown In Vitro The research concerning ‘The Effect of GA3 Concentration on the Induction of Grapevine (Vitis vinifera L.) Shoots Grown In Vitro’ have been conducted during period of February to August 2016 at The Laboratory of Plant Tissue Culture, Faculty of Agriculture, Udayana University. The objective of the research was to find out the most appropriate concentration of GA3 in stimulating of grapevine shoot grown in vitro. The experiment was laid out in a Completely Randomized Design with 5 treatments of GA3 concentration. The treatments were 0, 10, 20, 30, 40 ppm of GA3, each was replicated five times. The results showed that the treatment of 20 ppm GA3 was the most appropriate concentration in stimulating growth of grapevine shoots. The highest percentage of explants growing shoots i.e. 33.3% was obtained with the treatment of 20 ppm of GA3, compared to 6,6% (0 ppm), 0% (10 ppm), 20% (30 ppm), 6,6% (40 ppm).
Tingkat Fekunditas Nematoda (Meloidogyne spp.) pada Beberapa Tanaman yang Tergolong Familia Solanaceae DWI RIZKYA WULANDARI; I MADE SUDANA; I DEWA PUTU SINGARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.4, Oktober 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Fecundity of Nematode (Meloidogyne spp.) in Some Plants Belonging to the Solanaceae Family The Solanaceae family is a plants that has a function to meet human food. Although the production of the Solanaceae Family in Indonesia is quite high, it hasnot been able to fulfill the Indonesian Population needs. This is caused by severalfactors and one of them is the attack of pests and diseases that can cause crop failure.Pest that causes a decrease in the Solanaceae family is root bran nematodes,(Meloidogyne spp.) The purpose of the study is to determine the level of penetrationand fecundity of nematodes in several plants belonging to the Solanaceae family, andto obtain species host plants that are less favored than the plants tested Thar can beused as an alternative control of nematoda. This study using a CompletelyRandomized Design (CRD), with 4 types of treatment each using 6 replications with2 research objects to obtain 48 units/plant pots. The results is penetration rate andfecundity rate were highest in tomato plants, then in eggplant plants, chili plants, andthe lowest in cayenne. The result can be used as an alternative to reduce thepopulation of nematoda (Meloidogyne spp.) in the field.
Identifikasi Mikoriza Vesikular Arbuskular (MVA) dari Rhizosfer Tanaman Cabai (Capsicum annuum L.) dan Tomat (Solanum lycopersicum L.) serta Perbanyakannya Menggunakan Media Zeolit I WAYAN EKA ADI WIRAWAN; I KETUT SUADA; I GEDE KETUT SUSRAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.4, Oktober 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Vesicular Arbuscular Mycorrhizae (VAM) Identification of Chilli (Capsicum annuum L.) and Tomato (Solanum lycopersicum L.) Rhizosphere and Its Spore Multiplication in Zeolite Media Various attempts have been made to increase the production of chilli and tomato plants by farmers, including by using  inorganic fertilizer application on and on going basis. Considering potential problems that may occured due to inorganic fertilizer use, aplication of  biological fertilizer which one of them is containing vesicular arbuscular mycorrhizae (VAM) could be expected to assist the growth of chilli and tomato in more naturally manner. This study was aimed to determine genus and species of VAM in chilli and tomato rhizosphere, its colonization in root tissue, and to examine zeolite media compatibility with corn as a symbiont. Based on the results of the study, it was found four species namely Acaulospora fofeata, A. colombiana, A. Laevis, and Glomus ambisporum in chilli and four species in tomato that were identified as A. fofeata, A. colombiana, Scutellospora calospora, and G. ambisporum. Colonization were found in roots of chilli, tomato, and corn indicated by symbiotic structures arbuscules, vesicles, and inner spores. Zeolite media with corn as symbiotic plant is considered suitable for VAM spore propagation. Keywords: rhizosphere, Acaulospora fofeata, zeolite, inner spore
Study of Some Weeds Extract to Control Root Knot Nematodes Meloidogyne spp. on Tomato Licopersicum esculentum Mill CATUR KOESUMA WARDHIANY; MADE SRITAMIN; KETUT AYU YULIADHI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.1, Januari2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Study of Some Weeds Extract to Control Root Knot Nematodes Meloidogyne spp. on Tomato Licopersicum esculentum Mill Root knot is the disease that caused by root knot nematodes Meloidogyne spp. Nematodes growth on the roots of plants that clog nutrients and water , blockage will cause impaired photosynthesis process of plants and plant nutrient deficiency symptoms are visible. This research using kirinyuh weed (Chromolaena odorata), kerasi weed (Lantana camara), babadotan weed (Ageratum conyzoides), alang- alang weed (Imperata cylindrica), and semanggi weed (Marsilea crenata) with a rate of 1:10 where the extract used is 250 cc of each extract weed liquid. The result of nematode population per 300 g of soil showed babadotan extract can suppress nematode populations Meloidogyne spp. only about 13 pcs/300 g soil, with the percentage of 97.4 % suppression, next is kerasi extract 19 pcs/300 g soil (96.2%), kirinyuh extract 19 pcs/300 g soil (96.2%), alang-alang extract 20 pcs/300 g soil (96%), and semanggi extract 37 pcs/300 g soil (92.6%). The result of nematode populations per 1 g of root, kerasi extract is the best suppress root knot nematode populations, there are only 37 pcs/ 1 g roots, with an emphasis percentage of 92.6%. next kirinyuh extracts 40 pcs / 1 g roots (92%), alang-alang extracts 54 pcs/ 1 g roots (89.2%), semanggi extract 60 pcs/ 1 g roots (88%), and the last is the babadotan extract 70 pcs/ 1 g roots (86%) .   Keywords: Ageratum conyzoides, Chromolaena odorata, Imperata cylindrica, Lantana camara, Licopersicum esculentum Mill., Marsilea crenata, Meloidogyne spp..
Pengaruh Sistem Pengolahan Tanah dan Penggunaan Mulsa Terhadap Populasi Mikroorganisme dan Unsur Hara Pada Daerah Rhizosfer Tanaman Kedelai (Glycine Max L.) IDA BAGUS PUTU WAHYU PERMANA; I WAYAN DANA ATMAJA; I WAYAN NARKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.1, Januari 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect of Tillage System and Mulch Use for The Population of Microorganisms and Nutrients in The Soybean (Glycine max L.) Rhizosphere AreaThis study aims to determine the effect of tillage systems and mulching to microorganisms population change and nutrients in the rhizosphere area of the soybean crop. This study began in January 2014 until April 2014. Soil sampling conducted in Sedap Malam Street South Denpasar, while the analysis was conducted in the Laboratory of Soil Science Udayana University, Phytopathology Laboratory and Analytical Laboratories Udayana University. The study design was Randomized Block Design where the first factor is the Soil Treatment System Conventional processing system and no-tillage, while the second factor is the use of rice straw mulch, plastic mulch, and without mulch. Each treatment was repeated 5 times.Cultivation systems and the use of mulch, affect the population of bacteria in the rhizosphere of soybean plants. TP namely (24.4 x 107 cfu g-1), followed by treatment with KT (23.4 x 107 cfu g-1), TJ (18.6 x 107 cfu g-1), KJ (15.9 x 107 cfu g-1) , TT (9.4 x 107 cfu g-1) and the lowest is the KP (9 x 107 cfu g-1) .The system tillage and the use of mulch, affect the population of fungus in the rhizosphere of soybean plants. Total bacteria highest TP (25.8 x 107 cfu g-1), KT (24.8 x 107 cfu g-1), TJ (19.2 x 107 cfu g-1), KJ (17.2 x 107 cfu g-1), TT (10.8 x 107 cfu g-1) and the lowest is the KP (10.4 x 107 cfu g-1) .The system tillage and mulching affect the content of macro nutrients in the rhizosphere of plants soy. Highest nutrient C TT (14.67) and the lowest KJ (5.19). The highest N elements TJ (0.27) KT lowest (0.12). The highest P nutrients (114.72) KP lows (75.76). K highest nutrient TT (2721.7) and the lowest KP (1085.04). The highest Ca nutrients in TJ (8930.78) and the lowest KJ (3034.85). The highest nutrient S TP (0.0495) and the lowest TJ (0.0257). And nutrient highest Mg TJ (1566.82) and KP (529.12) .The system tillage and mulching different effect on the nutrient content of N, P and K on soybean plant tissue that showed significantly different interactions between each each factor. The highest nutrient N in KP (1.88) and the lowest in the TT (1.35). The highest P nutrients in TJ (288.97) and the lowest in the TT (211.78). The highest nutrient in KP (5479.81) and the lowest in the TJ (3565.56).

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