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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.3, No.2, April 2014" : 8 Documents clear
Identification of Endophytic Fungi from Rice Grain and It’s Inhibiting Ability by In Vitro Against Pyricularia oryzae Cav. NI PUTU LINDA SUNARIASIH; I KETUT SUADA; NI WAYAN SUNITI
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 Identification of Endophytic Fungi from Rice Grain and It’s Inhibiting Ability by In Vitro Against Pyricularia oryzae Cav. Fungal endophyte is a fungi that lives in the tissues of plants without causing disease symptoms on host plants. During symbiotic, many endophyte could produce antibiotic compounds, those can make endophyte microbes become biological control agents against pests and plant diseases. The aims of this study is to determine the types and the number of endophytic fungi spesies that exist in rice seeds stadia, also growth inhibitory ability against Pyricularia oryzae Cav. in vitro. Based on microscopic identification and DNA analysis were found 14 species of endophytic fungi. Endophytic fungi were able to inhibit the develop of Pyricularia oryzae Cav. amount. The greatest inhibitor was Unidentified-2 isolates of 65.6% followed by fungi Phaeosphaeriopsis musae, Sarocladium oryzae, and Sordariomycetes sp., with inhibition of 63.3%, 61.1%, and 58.9% respectively. Key words: endophytic fungi, inhibition, Pyricularia oryzae, rice,  In vitro.
Uji Aktivitas Ekstrak Kulit Buah Beberapa Tanaman dan Daya Hambatnya Terhadap Pertumbuhan Ralstonia Solanacearum pada Cabai SHEILA SIMANJUNTAK; MADE SRITAMIN; I KETUT SUADA
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 Inhibiting Ability of Some Fruit Rinds Extract Against the Growth of Ralstonia solanacearum on Chili Ralstonia solanacearum infect plant root through wound that occured indirectly. The symptoms of the disease are whole plant to wilt, the leaves turn yellow to blackish-brown, and eventually the plant dies. In the culture media contained  Triphenyltetrazolium Chloride (TZC) the bacterium tend to form white colony and irregular round shape. The method used to determine the extract activating was well diffusion method. The results of the study showed that application of coconut rind extract inhibited the bacterium. The minimum concentration was 1,25% with diameter of inhibition zone was 15 mm. The phenolic compounds contained on the coconut rind was possibly inhibit the growth of the bacterial colonies. Further research needs to be conducted in vivo to determine the effectiveness of antibacterial compounds contained in the extract of coconut rind. Keyword: fruit rind extract, Ralstonia solanacearum, well diffusion method
Identifikasi Tipe Pemukiman Karang Nabuan di Banjar Tinggan Desa Plaga Kecamatan Petang Kabupaten Badung I MADE BAYU ARTHA; A.A GEDE DALEM SUDARSANA; IDA AYU MAYUN
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 Settlement Type Identification Karang Nabuan at Banjar Tinggan, Plaga Village, Petang Subdistrict, Badung Regency Based on Tri Hita Karana concept will cause Tri Mandala concept in Balinese settlement pattern as an implementation of Tri Hita Karana concept which divided into Utama Mandala, Madya Mandala, and Nista Mandala. The division of space based on Tri Mandala is already compose an space pattern which classification based on function of each those space. Based on division of space Tri Mandala, the space of Utama Mandala purposed as holy space ( Merajan), the space of Madya Mandala purposed as a place of residence that composed of bale daja, bale dangin, bale delod, and bale dauh, whereas for the space of Nista Mandala forms a space that purposed as telajakkan. The purpose of this research is to identify the type of habitation in Banjar Tinggan,  Plaga village, Badung. This research specifically for identify the habitation pattern karang nabuan, specially the spatial pattern, hard scape and soft scape, and to indentify land pattern and land dimention the habitation of karang nabuan. The research been done at Banjar Tinggan, Plaga village, Petang district, Badung regency area. The collection of datas been done since October 2012 until march 2013. The sample been taken to get this research data using sampling proposive and the point of been choosing from the natives people at Banjar Tinggan. Bali is an island that full with culture which possess its own settlement pattern that different from other settlement pattern. The variety of culture in Bali is related to environmental or Balinese geographical condition that caused the variety of settlement pattern. Banjar Tinggan is one of settlement area that located at foot of Mangu Mountain (Puncak Mangu) which possess settlement pattern that called Karang nabuan. Settlement pattern in that area is different from settlement pattern in Bali generally. The differences evident to several landskap compiler elements comparable to other Balinese territory. Karang nabuan is an settlement pattern that possess uniqueness because possess space pattern that not restricted intactly from one house to another so that the houses there is inside be in one land (karang) although not relative. Karang nabuan come from syllable Karang and Nabuan that come from word bee (tabuan). Karang nabuan is house in a clustering manner that composed as a bee’s house. The system of settlement pattern in each house not restricted by penyengker or wall, formed based on side by side, mass building that framer natah karang nabuan only contents bale daja, bale dauh, bale dangin, kitchen and without bale delod so that space pattern of natah not restricted intacly. Key word: Settlement Type, Karang Nabuan
Uji Efektifitas Ekstrak Daun dari Beberapa Jenis Tanaman untuk Mengendalikan Nematoda Puru Akar Meloidogyne Spp. pada Tanaman Cabai (Capsicum Annum L) IDA BAGUS MADE DWI JAYA; MADE SRITAMIN; NI MADE PUSPAWATI
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 Root knot nematodes (Meloidogyne spp.) is an important class of nematode that causes significant reduction in the production of Capsicum annum L. Various control measures were taken to suppress the population of Meloidogyne spp. such as planting resistant varieties, crop rotation and technical culture, still unwell provide fast response compared to chemical control. Biopesticides is a way of controlling the use of more environmentally friendly than synthetic pesticides. Based on this, it will be carried out studies on the control of root knot nematodes Meloidogyne spp. using plant leaves tembelekan (Lantana camara), kirinyuh (Chromolaena odorata), papaya (Carica papaya), lemongrass (Cymbopogon nardus L.), betel (Piper betle L.) and tobacco (Nicotiana tabacum) which extracts used were 250cc / pots of each extract solution leaves. The purpose of this study was to determine the plant leaf extract is capable of suppressing the population of Meloidogyne spp. and determine the most effective leaf extracts suppress the population of Meloidogyne spp. The results of this empirically found that population of nematoda per 300 grams of soil extract of Piper betle L. can suppressed the nematode population of Meloidogyne spp. The best is 23.4 nematodes or 95.32%, followed by treatment of the extract of C. odorata 27.6 nematodes (94.48%), L. camara 28.8 nematodes (94.24%), Carica papaya 43, 4 nematodes (91.32%), Cymbopogon nardus L. 53.8 nematodes (89.4%), and Nicotiana tabacum 60.8 nematodes (87.84%). Population of nematoda per 1 g of root, extract of Piper betle Linn. is also the most well extract in suppressing root knot nematode populations, there are only recorded 21.2 percentage suppression tail with 95.76%, followed by treatment of C. odorata extract 23.6 tail (95.28%), L. camara 24 , 2 goats (95.16%), Carica papaya 28.4 tail (94.32%), Cymbopogon nardus (L). 30.2 tail (93.96%), and Nicotiana tabacum 35.2 tail (92.96%). Keyword: Capsicum annum L, Carica papaya, Chromolaena odorata, Cymbopogon nardus L., Lantana camara, Meloidogyne spp., Nicotiana tabacum, Piper betle Linn.
Deteksi Penyakit Citrus Vein Phloem Degeneration (CVPD) dengan Teknik Polymerase Chain Reaction (PCR) pada Tanaman Jeruk di Bali NI PUTU SWARI MEITAYANI; WAYAN ADIARTAYASA; I NYOMAN WIJAYA
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

ABSTRACTS Detection of Citrus Vein Phloem Degeneratin (CVPD) Disease by Polymerase Chain Reaction (PCR) Technique on Citrus Plant in Bali CVPD disease is one of many important disease on citrus plant caused by Liberobacter asiaticum. The mechanism of infection is not yet known, so that the efforts to control the disease have not been adequately. In the research, we tried to detect CVPD disease on citrus plant at several locations in the centre of the citrus plantation in Bali used the PCR technique. The results of reseach showed eleven from eighteen sample is positive have contain for the L. asiaticum that show size of DNA 1160 bp, because the size of 1160 bp DNA bands is expression by L. asiaticum, then the citrus leaf samples were detected positive for the L. asiaticum. Based on the results of the calculation incidence of the disease with percentage of attack is 54,38% and the intensity of CVPD diseased plants was 9,86% showed CVPD disease was spread over eight villages consist of Katung, Belancan, Bayung Gede, Awan, Catur, Pengotan, Pelaga and Petang. Keyword: Citrus Vein Phloem Degeneration (CVPD), Liberobacter asiaticum, Polymerase Chain Reaction (PCR)
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.
Klasifikasi Dan Pemetaan Famili Tanah Berdasarkan Sistem Taksonomi Tanah di Desa Penatih Dangin Puri Kecamatan Denpasar Timur IDA AYU SRI MAS ARY SUSANTHI; I MADE MEGA; KETUT SARDIANA
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 Classification and Mapping of Soil Family Based on Soil Taxonomy System at Penatih Dangin Puri Village, District of East Denpasar. The research at Penatih Dangin Puri Village, aims to classify and mapping the soil at Penatih Dangin Puri Village based on Soil Taxonomy System up to soil family category. This research was using soil survey method at the field to observed soil morphology, soil test at laboratory for the properties of physical, chemical, and clay fraction mineralogy. Soil classification was conducted until soil family category, semi detailed soil mapping with the scale of 1 : 25.000. The result of soil classification showed that the soil at Penatih Dangin Puri Village is classified into the order of Inceptisol and Mollisols, sub-order of Aquepts and Udolls, great group of Epiaquepts and Hapludolls, sub-group of Typic Epiaquepts, Typic Hapludolls, and Aeric Epiaquepts, family of Typic Epiaquepts, very fine, mixed, isohyperthermic; Typic Hapludolls, fine, mixed, isohyperthermic and Aeric Epiaquepts, fine-loamy, mixed, isohyperthermic. Semi detailed soil mapping with the scale of 1: 25.000 at Penatih Dangin Puri Village generates 5 SPT (Soil Mapping Unit), namely: 1) Association of Typic Epiaquepts, very fine, mixed, isohyperthermic with Aeric Epiaquepts, fine-loamy, mixed, isohyperthermic; 2) Typic Epiaquepts, very fine, mixed, isohyperthermic; 3) Typic Hapludolls, fine, mixed, isohyperthermic; 4) Typic Hapludolls, fine, mixed, isohyperthermic; and 5) Typic Hapludolls, fine, mixed, isohyperthermic. Keywords: soil classification, soil mapping, penatih dangin puri village
Uji Keefektivan Ekstrak Beberapa Biji Tanaman untuk Menghambat Pertumbuhan Bakteri Bercak Daun (Xanthomonas campestris) pada Tanaman Tomat DELVIANA PANJAITAN; I KETUT SUADA; MADE SRITAMIN
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 Effectiveness Test of Some Plant Seeds Extract to Inhibit the Growth of Spotting Leaf Bacteria (Xanthomonas campestris) on Tomato Plant. The X. campestris bacterium is very harmful to tomato plant because the bacteria able to attack the plant seedling up to full grown stage. This bacterium  not only attack the root, but also infect the leaves, fruits and stems. Utilization of botanical pesticides to inhibit the pathogen becomes one alternative option to be recommended. The control method has selective activity and safe for the ecosystem. The purpose of this study is to determine the ability of some plant seeds extract in inhibiting the growth of X. campestris the causal agent of leaf spot on tomato plants. Rose apple seed extract contains phyto-pesticide that can be used to inhibit the growth of leaf spot caused by X. campestris. The minimum inhibitory concentration of the extract was at a concentration of 0.312% with the diameter of inhibition zone of 8 mm. It was expected that rose apple seed extract may be used as an alternative subtance to inhibit the growth of bacterium X. campestris bacterium of tomato plants. Key words: plant seeds extract and Xanthomonas campestris

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