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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 15 Documents
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Search results for , issue "Vol.10, No.2, April 2021" : 15 Documents clear
Pengaruh Beberapa Jenis Aktivator terhadap Mutu Kompos Eceng Gondok (Eichhornia crassipes) MADE PANDE ADITYA; NI LUH KARTINI; NI NENGAH SONIARI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.2, April 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect of Several Types of Activators on Quality of Water Hyacinths Compost (Eichhornia crassipes) Water hyacinths is a type of floating aquatic plant that has a high growth speed so that this plant is considered a weed that can damage the aquatic environment, therefore one of them needs to be processed into compost. this is a role from the control water hyacinths. The purpose is research was to see the effect of the best media and activator on the quality of water hyacinths compost, and the percentage of decomposition of compost matter. This research was conducted in Megati Village of Tabanan, Bali from January to March 2020. This study used a randomized block design with a simple pattern with one factor, namely 9 treatments that were repeated 3 times for a total of 27 replications with the composition of 1 kg water hyacinth with a concentration of worm compost 100 g up to 800 g , 50cc and 100 cc moles of rice, EM4 3 ml and 9 ml. Based on the results of research, the media and decomposers significantly affected C-organic, total N, C / N ratio, moisture content, and pH. The highest percentage of decomposition (80%) was found in the composition of the media (1 kg water hyacinth + 800 g vermicompost + 9 ml EM4) and the percentage of decomposition (35%) in the control treatment.
Efektivitas Perbedaan Komposisi Media Tanam dan Ukuran Belahan Bonggol pada Perbanyakan Pisang Susu (Musa paradisiaca var. Susu) Lokal Bali SITI SHOFIAH; I NYOMAN RAI; NI NYOMAN ARI MAYADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.2, April 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Effectiveness of Differences in the Planting Media Composition and Corm Size in Bali Local Banana (Musa paradisiaca var. Milk) Propagation Banana (Musa paradisiaca) is one of the important commodities in Indonesia. Based on BPS Prov data. Bali (2017), the number of productive banana plants in Bali has decreased enormously, from 13,140,965 clumps in 2016 to only 4,681,879 clumps alone in 2017. The need for banana supply is so high when balinese people celebrate Galungan and Kuningan Ceremony. Banana needs that occur cannot be met because the production in Bali is low, not filled with production because of difficulty in obtaining seedlings, for that it is necessary to do research on the composition of planting media and the right size of banana chopped corm to provide good banana seeds. The growth and development of good banana plant seeds cannot be separated from the use of good planting media and the use of quality seeds. This study aimed to find out the interaction of planting media composition and the size of chopped corm in local Balinese susu bananas. This research was conducted at the experimental garden paranet house of the Faculty of Agriculture, Udayana University, Jl. Pulau Moyo No. 15 X, Pedungan, South Denpasar, Denpasar City, Bali from April to July 2020. The design used in this study is RandomIzed Block Design (RBD) Factorial pattern with 2 treatment factors, the first factor was the composition of planting media consists of 4 levels of treatment namely M1 (mixed media of soil and compost (1:1/V:V) 100% + burn husk 0%), M2 (mixed media of soil and compost (1:1/V:V) 75% + burn husk 25 %), M3 (mixed soil and compost media (1:1/V:V) 50% + 50% burn husks), M4 (mixed soil and compost media (1:1/V:V) 25% + burn husks 75%), M5 (mixed soil and compost media (1:1/V:V) 0% + 100% burn husks). The second factor was the size of the weevil hemisphere, consisting of 3 levels of treatment, namely B1 (size of corm hemisphere 4 x 4 x 4 cm), B2 (6 x 6 x 6 cm) and B3 (8 x 8 x 8 cm). The results showed that M3 media (mixed soil and compost media (1:1/V:V) 50% + 50% burn husks) was the composition of the planting media was best, the M3 treatment produces leaf chlorophyll, plant height, number of leaves, diameter of stems, time of root appear and the time the bud appears. B3 (8 x 8 x 8 cm) was the best size of banana weevil, B3 treatment produces leaf chlorine, plant height, number of leaves, stem diameter, root time and the best leaf appear time. There was an interaction between the combination of planting media (M) and the size factor of weevil (B) to the growth of susu banana seedlings, which is indicated by the time the bud appears, the time the root appears, the diameter of the stem, the height of the plant and the number of leaves. The best value was obtained on the M3B3 combination.
Isolasi dan Identifikasi Bakteri Selulolitik pada Sampah Organik di TPA Suwung Denpasar FADEL ALKAHFI; WAYAN ADIARTAYASA; I GEDE PUTU WIRAWAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.2, April 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Isolation and Identification of Cellulolytic Bacteria in Organic Waste at TPA Suwung Denpasar Organic waste contains a lot of lignocellulosic material which can be degraded by cellulases. The degradation of cellulose requires three types of enzymes produced by microorganisms. Cellulolytic bacteria are one of the microorganisms involved in the decomposition process and produce cellulase enzymes which can degrade organic matter. This study aims to isolate and test the ability of cellulolytic bacteria in the organic waste of TPA Suwung Denpasar by isolating morphological identification, and quantitative cellulase test. The results of this study found twenty-seven (27) bacterial isolates that were able to grow on CMC media and were classified based on colony morphology and obtained 3 different isolate groups. The isolates that had been grouped were coded A, B, and C. The colony of the isolated isolates appeared to be round and wrinkled. Some surfaces are convex, raised, and hilly and are clear, yellows in color, and white. Isolates A and C were gram positive, while isolate B was gram negative. Based on the calculation results of the Cellulolytic Index value, it was found that isolate B had the highest IS and was in the high category.
Evaluasi Kesesuaian Lahan Untuk Tanaman Padi dan Palawija pada Lahan Sawah di Kecamatan Sawan Kabupaten Buleleng Berbasis Sistem Informasi Geografis MESI BR HALOHO; I NYOMAN DIBIA; NI MADE TRIGUNASIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.2, April 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Land Suitability for Paddy and Secondary Crops on Rice Fields in Sawan District, Buleleng Regency, Based on Geographical Information System This study aims to determine the actual and potential of land suitability, limiting factors, assumptions of improvement efforts, land use management, and making land suitability maps and land use direction maps for rice and secondary crops. The plants evaluated in this study included rice, soybeans, green beans, peanuts, and maize. This research was conducted in Sawan District, Buleleng Regency, from July 2020 to October 2020. Based on the intercropping of soil types map and the slope, seven homogeneous land units were obtained. The research method used was a land evaluation survey, analysis, and land suitability classification. It is based on the criteria for plant growth requirements, according to Ritung et al. (2011), which were matched to the quality/characteristics of the land. The results research show that the actual land suitability classes for rice and secondary crops are from S1 (very suitable) to S3 (suitable to marginal). The limiting factors in the research area include temperature, rainfall, dry months, humidity, drainage, texture, coarse materials, P2O5, K2O, and slopes. Improvement of land suitability classes can be carried out through several factors, except for temperature, humidity, coarse materials, surface rock, and rock outcrops because they are permanent limiting factors. Improvement efforts for limiting factors that can be improved are repairing the drainage system, fertilizing, adding organic matter, mulching, and making terraces. The potential land suitability classes for rice and secondary crops that are evacuated are from S1 (very suitable) to S3 (suitable marginal) with the limiting factors for temperature, rainfall, humidity, coarse material, surface rock, and rock outcrops. The recommendations for land use in SLH RCISw, RCKISw, LCKIISw, RCKIISw, and LCKIIISw are rice, soybeans, and green beans. RCKIIISw and RCKIVSw are soybeans, peanuts, and maize.
Analisis Fitokimia Ekstrak Bulung Boni (Caulerpa spp.) dan Uji Daya Hambatnya terhadap Fungi Fusarium moniliforme (Sacc.) Nirenberg VICKY TANDYA; I GEDE PUTU WIRAWAN; I KETUT SUADA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.2, April 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Phytochemical Analysis Of Bulung Boni Extract (Caulerpa spp.) and Its Inhibiting Ability Against Fusarium moniliforme (Sacc.) Nirenberg Seaweed is a marine biota that produces bioactive compounds which are useful for the development of the pharmaceutical industry. Caulerpa spp. is a green algae that is commonly consumed as vegetables or fresh vegetables by tropical communities, but the use of Caulerpa spp. in other fields is not optimal. The purpose of this study was to determine the content of antifungal compounds in the extract of Caulerpa spp. and antifungal activity against F. moniliforme. The research method used was Gas Chromatography and the diffusion well method with 14 treatments and 3 replications. The design used was completely randomized with ANOVA analysis followed by Duncan's test with a confidence level of 5%. The results showed that the ethanol is extract of Caulerpa spp. has antifungal compounds, namely alkaloids, saponins, and organic acids which indicated fungistatic effect. Ethanol extract of Caulerpa spp. had minimal antifungal activity (MIC) against F. moniliforme at a concentration of 0.6% with an inhibition zone diameter of 5 mm and was categorized as weak. The best extract concentration in inhibiting F. moniliforme in the treattested was a concentration of 5% with an inhibition zone diameter of 13.67 mm and a percentage was 54.54% colony inhibition.

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