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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.
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Articles 12 Documents
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Search results for , issue "Vol.6, No.1, Januari 2017" : 12 Documents clear
Uji Kemampuan Beberapa Isolat Rhizobakteria untuk Meningkatkan Pertumbuhan dan Hasil Kedelai (Glycine Max (L)Merill) AYU GEK MIRAH LESTIANINGRUM; I GUSTI NGURAH RAKA; I DEWA NYOMAN NYANA
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

Test Capabilities some Isolate Rhizobacteria for Enhancing the Growth and Yield of Soybean (Glycine max L. Merill)This study aims to get the isolates of rhizobacteria that have a better ability to increase growth and yield of soybean. Randomized block design was used with 14 treatments, which 13 are treated using rhizobacteria isolates from different plants root and one without isolates of rhizobacteria. Each treatment was repeated three times. This research was conductedin the pots with observations of the growth and yield of soybean that includes; plant height, leaf number, number of branches, chlorophyll, the number of nodules, dry weight of the plant part above the ground and below the ground, the number of pods, number of seeds, seed weight, and predict the outcome of soybeans per hectare. The result showed that three isolates rhizobacteria who have better abilities compared to other isolates rhizobacteria to improve the growth and yield of soybean that isolates R53, R6, and R26, with its ability to improve; plant height, number of branches, number of leaves, chlorophyll, the number of nodules, the number of dry weight of the plant above ground or below ground, the number of pods, number of seeds, seed weight and better ability to increase soybean yield per hectare. In addition to these three isolates are also two isolates rhizobakteria which only has the ability to increase soybean yield that isolates R10 and R11. The five isolates rhizobakteria ( R53, R6, R26, R10, dan R11 ) can be regarded as rhizobateria were able to spur the growth and yield soy called PGPR bacteria .
Uji Efektifitas Ekstrak Daun Sirih (Piper Betle L.),Kirinyuh (Chromoloena Odorata) dan Tembelekan (Lantana Camara L.) Terhadap Populasi Nematoda Puru Akar (Meloidogyne Spp.) dan Pertumbuhan Tanaman Cabai (Capsicum Annuum L) MAGNA DWIPAYANA; I NYOMAN WIJAYA; MADE SRITAMIN
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 Effectiveness Test of Extracts Of Betel Leaf (Piper Betle L.), Kirinyuh (Chromoloena Odorata) and Tembelekan (Lantana Camara L.) Against The Population of Root Knot Nematodes (Meloidogyne Spp.) and Plant Growth of Chili (Capsicum Annuum L.)Meloidogyne spp. was one of the parasitic nematode pests on crops of chili. Meloidogyne spp. was widespread in tropical regions and subtropik area.. Attacks of Meloidogyne spp. at the root can lower the production of the crops by 15 – 60 percent, even can reach 70 percent when the disease attacks vulnerable plants (Prihanto,1989). This research was carried out in a way controlling root knot nematodes on chili uses extract of 3 species of plants in a variety of concentrations with the aim to obtain a concentration from the plants that are very effective at suppressing the development of root knot nematodes and can suppress the population in the soil and as well to surpress the attacks on plant roots.The types of plants that will be used in this research is kirinyuh (Chromolaena odorata), tembelekan (Lantana camara) and betel leaf (Piper betle) in different concentrations to know their ability to suppress populations of root knot nematodes of chili. The leaves of the plant contains useful materials to suppress plant pests including root knot nematodes. From the three of leaf extract that have been used, the betel leaf extract effectively suppress the populations of nematodes on crops of chili for being able to put pressure against the population of the nematode in the soil or plant roots of chili. At the concentrations of 50 cc/polybag betel extracts are able to suppress the nematode population to 93% and on the concentration of 200cc/ polybag betel extracts was able to suppress populations of nematodes were 96.4%.
Identifikasi Penyakit Antraknosa Tanaman Jeruk Nipis [Citrus aurantifolia (Christm.) Swingle] di Desa Kertalangu Kecamatan Denpasar Timur I GEDE WIGUNA ARDINATA; I MADE SUDARMA; NI WAYAN SUNITI
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

Identification of Leaf Spot Disease of Lime Plants [Citrus aurantifolia (Christm.) Swingle]in Kertalangu Village,District of East Denpasar.In Kertalangu Village, District East of Denpasar there are some plants lime getting anthracnose disease. Disease status is unknown and the plants are not too noticed by their owners. The purpose of this research was to identify the disease that attack lime plants. This research outlines the causes of disease, the extent of damage and the rate of infection of pathogens that attack lime plants. The research was conducted over three months since April until June 2015.This research has shown that the pathogen causing anthracnose disease in lime plants is Colletotrichum gloeosporioides. The disease incidence ranges from 26.46% - 35.87%, pathogen infection rate ranges from 0.0171 to 0.0157 per leaf per day (? 0.11), which means that 1000 leaves, infected 171-157 per day with the criteria of slow infection rates and the extent of damage or the disease severity ranges from 17.31% - 24.47% (> 10% - ? 25%), classified as mild criteria.
Efektifitas Pemberian Kompos Trichoderma Sp. Terhadap Pertumbuhan Tanaman Cabai (Capsicum Annum L.) I MADE DEDIK SETYADI; I NENGAH ARTHA; GUSTI NGURAH ALIT SUSANTA WIRYA
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

Effectiveness composting Trichoderma sp. Against the Plant Growth Chilli (Capsicum annum L.)The objective of this study was to determine the effectiveness of compost Trichoderma sp. at the time of the nursery and moving the field on red pepper plants. This experiment was conducted February to April 2015, using a factorial randomized complete block design with three replications. The first factor seedling media (MT = Media soil + compost Trichoderma sp. With a volume ratio of 1: 1, MK = Media soil + compost Simantri the ratio of 1: 1, M = Media ground). The second factor in the media field (mt = Media soil + compost Trichoderma sp. With a volume ratio of 1: 1, mk = Media soil + compost Simantri the ratio of 1: 1, m = Media ground). The results showed that: there is interaction between media seedlings with the media on the field, the variables plant height and yield fruit of pepper plants in the field. The best treatment is shown by the media's treatment (MTmk) at high variable pepper is 61.67 cm and the media (MTmt) high were obtained are 60.78 cm. In the fruit of the pepper plant variables highest results in treatment (MTmt) with the amount of 916.67 g but not significantly different from the treatment (MKmt) with the results of 813.33 g.
Pengaruh Dry Heat Treatment dengan Penundaan Waktu Tanam Terhadap Pertumbuhan dan Hasil Tanaman Cabai Rawit (Capsicum Frutescens L.) I KADE DARMAWAN; I DEWA NYOMAN NYANA; I KETUT SIADI
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 Dry Heat Treatment with Time Delay Planting on Plant Growth and Yield of Chili Pepper (Capsicum frutescens L.)Viral pathogens which cause disease is a major problem in reducing the production of chili pepper. The younger the plants are infected by the virus, the more severe symptoms of the disease caused. Based on this statement, it necessary to do a research that aims to determine the effect of Dry Heat Treatment with a delay time of planting on growth and yield of chili pepper. The research design used was a randomized block design with three treatments and nine replications. The treatments tested consists of Dry Heat Treatment with a delay time of planting (DHT + TT), Dry Heat Treatment (DHT), and control (NT). The growth variable and the yield that had been observed in these experiments were the plant height (cm), number of primary branches, leaf chlorophyll content, incidence of disease, and the yield (tons / ha). The results showed that Dry Heat Treatment with a delay time of planting (DHT + TT) provides better results in the cultivation of chili with 86.27 cm plant height increased by 106.83% compared with controls (NT), the number of branches 12.61 increased 41.53 % compared with controls (NT), and the yield 17.21 tons / ha increased by 256.87% compared with controls (NT).
Meningkatkan Kualitas Air Irigasi dengan Menggunakan Tanaman Kayu Apu (Pistia stratiotes L.) dan Tanaman Azolla (Azolla sp.) di Subak Sembung, Peguyangan, Denpasar NI WAYAN MAYA SARI; I WAYAN DIARA; NI MADE TRIGUNASIH
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

Increasing Irrigation Water Quality Using Pistia Plant (Pistia stratiotes L.)and Azolla Plant (Azolla sp.) in Subak Sembung, Peguyangan, DenpasarThe research aimed to determine the quality of Subak Sembung’s irrigation water, investigate the influence of Pistia and Azolla plant as well as identifying which of the plant is more effective in improving the quality of the irrigation water. The research consisted of several stages including; collecting secondary data followed by conducting water purification experiment using Pistia and Azolla plant. The sample of the water was analyzed in Analytic Laboratory and MIPA Faculty Laboratory of Udayana University.The result of the study showed that before Subak Sembung’s irrigation water was given treatments has been contaminated by Cadmium (Cd) while two other parameters – Boron (B) and Arsen (As) cannot be found in the water. The increase was shown in the level of TSS, pH, BOD and COD while the decrease was shown in the level of TDS, Cadmium (Cd), Chromium (Cr) and total coli form. Pisita plant is more capable in reducing the level of Chromium metal (Cr) compared to Azolla plant while Azolla plant is better at reducing the level of Cadmium metal (Cd). However, a further research on heavy metal absorption using Pistia and Azolla plant is necessary.
Peningkatan Produksi Dan Mutu Tanaman Bayam Merah (Amaranthus Amoena Voss ) Melalui Beberapa Jenis Pupuk Pada Tanah Inceptisols, Desa Pegok, Denpasar KOMANG ARI NIRMALAYANTI; I NENGAH NETERA SUBADIYASA; I DEWA MADE ARTHAGAMA
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

Production Development and Quality Of Red Amaranth(Amaranthus Amoena Voss) Through Some of Type Fertilizer in Inceptisols Land, Faculty of Agriculture Experiment Station, Udayana UniversityThis Research aims to know the impact of some of type fertilizer towards the quality and production development of red amaranth in inceptisol land and the chemical characters of Pegok land. This research was conduct in September 2015 until December 2015 at Experiment Station Faculty of Agriculture and Soil Laboratory, Faculty of Agriculture, Udayana University. The Experiment used Randomized Block Design (RBD) and the data analysis used was Costat program. The parameter observed in this research was dividet nto three observations, they were the height of plants, the weight of fresh plants sample, the weight os fresh plants. The plants quality contains of water content and plants storability. The observations of plants chemical characters include pH, KTK, KB, nutrient content N-total, P-avaible, K-avaible, Ca, Mg, C-organic as well as soil electric conductivity. The result of statistical analysis shows that giving some type of fertilization has real impact towards some production parameter and chemical characters but does not give real impact towards water content.
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).
Penentuan Fase Kritis Tanaman Kacang Panjang (Vigna sinensis L.) terhadap Infeksi Bean Common Mosaic Virus (BCMV) NI LUH OCTAVIANI; I MADE SUDANA; TRISNA AGUNG PHABIOLA
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

Determine of the Critical Phase of Long Bean Plants (Vigna sinensis L.) against Infection of Bean Common Mosaic Virus (BCMV)This study aims to search the critical phase of long bean plants (Vigna sinensis L.) against infection of Bean Common Mosaic Virus (BCMV). The method used is Indirect ELISA (Indirect enzyme-linked immunosorbent assay). This research activity includes variations of symptoms on the long bean plants samples, the incidence of the disease, calculation of yields, the determination of the critical times of the plant, Indirect ELISA serology testing, and data analysis. Design used was a randomized block design (RBD) with seven treatments and four replications.The results showed that the variation of symptoms long bean plants infected BCMV that mosaic, vein banding, malformation of the leaves, stunted and chlorosis. Higher incidence of disease inoculation treatment 2 weeks after planting (WAP) is 91%. Long bean plants are attacked by BCMV the highest yield losses amounted to 93.54% at 2 WAP, so the critical phase of the plant is on the treatment of long bean 2 WAP. Based on these studies need to be done at the beginning of growth and, if already infected plants in early growth, eradication needs to be done so as not to be a source of inoculum.
Pemanfaatan Patogen Serangga (Beauveria bassiana Bals.) untuk Mengendalikan Hama Penghisap Buah Kakao (Helopeltis spp.) di Desa Gadungan, Kecamatan Selemadeg Timur, Kabupaten Tabanan I WAYAN DIKSA GARGITA; I PUTU SUDIARTA; GUSTI NGURAH ALIT SUSANTA WIRYA
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

Utilization of Insect Pathogen (Beauveria bassiana Bals.) to Control the Suction Pest of Cocoa (Helopeltis spp.) in Gadungan Village,The District of East Selemadeg, Tabanan RegencyCultivation of cocoa has the potential to improve the economy of farmers. However, cocoa production has decreased due to Helopeltis spp. The control of Helopeltis spp. still use synthetic chemical pesticides that are harmful to the health of farmers, consumers and environmental pollution. Therefore, it needs to be done by eco-friendly control using Beauveria bassiana which is reported to be able to control some insect pests such as Helopeltis spp. Utilization of B. bassiana is usually in the form of formulations. The research was conducted to determine the quality formulations and efficacy of B. bassiana against Helopeltis spp. obtained from Dinas Perkebunan Provinsi Bali. The research method using randomized block design with 5 treatments, 5 replications and the treatment using concentration formulation 20 grams, 15 grams, 10 grams, 5 grams to dissolve in one liter of water and the control just using water. The observed variable is the number of former suction on fruit. The identification results showed the tested formulations made from active B. bassiana which is characterized by colonies are white, round-shape and the spore structure is like grapes with a good quality because it has spore density 1,06x107 spore/ ml. B. bassiana is quite effective to infect Helopeltis spp. because it just need 4 days to kill Helopeltis spp. The test results showed the concentration of 20 grams formulation is the best concentration with the fewest number of former suction on fruit.

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