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Planta Tropika
Published by Universitas Muhammadiyah Yogyakarta
ISSN : 0216499X     EISSN : 25287079     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
PLANTA TROPIKA : Jurnal Agrosains (Journal of Agro Science) provides a forum for researchers on applied agricultural science to publish the original articles. PLANTA TROPIKA published two times a year (February and August) by Universitas Muhammadiyah Yogyakarta in collaboration with Indonesian Association of Agrotechnology / Agroecotechnology (PAGI). Planta Tropika focuses related to various themes, topics and aspects including (but not limited) to the following topics Agro-Biotechnology, Plant Breeding, Agriculture Waste Management, Plant Protection, Soil Science, Post Harvest Science and Technology, Horticulture.
Arjuna Subject : -
Articles 20 Documents
 1   2 
Search results for , issue "Vol 3, No 1 (2015)" : 20 Documents clear
Pemanfaatan Bahan Organik dalam Perbaikan Beberapa Sifat Tanah Pasir Pantai Selatan Kulon Progo Hasibuan, Andi Surya Zannah
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.037.31-40

Abstract

An experiment about the utilization of organic matter to improve some properties of sandy soils of south beach of Kulon Progo was conducted in Green House, Faculty of Agriculture, Universitas Muhammadiyah Yogyakarta. The research was carried out in experimental method which arranged in Completely Randomized Design (CRD) with 5 treatments. The treatments were P0 = without compost application (Control), P1 = 30 ton per hectare of cow dung compost, P2 = 30 ton per of  hectare of poultry compost, P3 = 30 ton per hectare of Angsana leaves compost, P4 = 30 ton per hectare of gamal leaves compost, each treatment were replicated 5 times. The result showed that utilization of organic matter could improve the properties of sandy soils of south beach of Kulon Progo. Angsana leaves were the best organic matter sources in improving the physical and chemical of soil properties, such as water content, bulk density, soil porosity, and soil C-Organic content.
Kajian Formulasi Bacillus thuringiensis Dengan Carrier Limbah Cair Pabrik Kelapa Sawit Untuk Pengendalian Ulat Api (Setora nitens) Wahyuono, Dwi
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.036.24-30

Abstract

This research aims to examine palm oil effluent as a carrier for B. thuringiensis and its effectiveness against Setora nitens instar II-III in palm plantation. This research was held on April – December 2013 using single factor experiment method that has been arranging in completely randomized design (CRD). The research have two stages, first stage: development of B .thuringiensis and second stage: testing bioassay. First stage consist of three treatments that is 100%, 75%, 50% of Palm Oil Effluent and Luria Bertani Broth as a possitive control. Every treatment was added 0,4 g red sugar and 30 ml coconut water. the treatment in second stage same with first stage but use destilled water in addition treatment.  The parameter used are viability of B. thuringiensis, mortality (%), the speed of mortality, the change of population (%), and anti feedant (%). The result shown that palm oil effluent serve the purpose of alternative media of development B. Thuringiensis 7,6 x 107 CFU/ml. The optimal incubation period based of the toxcicity that is 48 hours. Formulation LCPKS 100% + 0,4 g red sugar + 30 ml coconut water + B. thuringiensis inclined more better based on the parameter of mortality, the change of population precentage, the speed of mortality amd anti feedant.
Pengaruh Pemberian Ekstrak Daun Sirih (Piper betle L.) untuk Mengendalikan Damping-Off pada Tanaman Cabai Capsicum annum) Hidayat, Taufiq; Supriyadi, Supriyadi; Sarjiyah, Sarjiyah
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.040.60-66

Abstract

Sclerotium roflsii is the causal agent of damping-off disease on pepper which difficult to control. The use of chemical pesticides cause several damage to the environment. The used of Piper betle leaves extract which is contains antifungal compounds becomes one of the solution. The aim of this study to obtain the optimum concentration of piper betle leaves extract and dipping periode of chili seed in leaves extract to control damping off disease caused by Sclerotium rolfsii. The study consists of two experiments. The first experiment was isolation and multiplication of damping off disease in chilli, this stage was conducted in laboratorium. The second experiment was performed to investigate effectivity of piper betle leaf extract to control damping off using dipping method, this stage conducted in Greenhouse. The study arranged in Completely Randomized Design (CRD) with single factor experimental design consist of 13 treatment, namely consentration of 0%, 40%, 60% and 80% Piper betle leaves extract (v/v) with 1 hour, 2 hour, and 3 hour dipping time. The result showed that Piper betle leaves extract of 60% with 1 hour dipping time had the best ability among the other treatment to control damping off disease cause of Sclerotium rolfsii in chili seedlings.
Evaluasi Ruang Terbuka Hijau di Kota Pekanbaru Aini, Lis Noer; Isnawan, Bambang Heri; Saleh, Endri Ridwan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.038.41-51

Abstract

The research was conducted to evaluate the availability of open green area in Pekanbaru  and to make the landscape model of green open area. This evaluation was needed to improve the functional and aesthetic value of green open area in Pakanbaru. The green areas were the main street of ring road, city park and forest. The research was carried out by using implementation methods of technical survey by observation, collective secondary and primary data. Election area was elected by purposive way and respondent method election done non-probability sampling technique that taking sample research by non-random way by 72 numbers of respondent. Data was analyzed by descriptive and spacial method, so continued by structuring of green open space to improve of develop functional value and aesthetic value in Pekanbaru. The research showed that the Pekanbaru City has 4,35% of green space in the shape of protecting areas, lake tours, and the grave till Pekanbaru City does not have wide green open space public as mandated by law no 26 year 2007 at least 20% from the areas spatial planning Pekanbaru, namely 49% of the area of Pekanbaru City. Planning model green lane road on Jl. Sukarno Hatta, Jl. Subrantas, Jl. Riau, Jl. Hang Tuah, Jl. Imam Munandar and Jl. Tuanku Tambusai based on the needs of the road to plant shade, windbreak and absorbing pollution. Planning Model urban forest planning was urban forest recreation by combining soft elements and hard elements. Planning model park junction Jl. Subrantas based on plant shade needs and space for the interaction for market users.
Efektifitas Kemasan dan Suhu Ruang Simpan terhadap Daya Simpan Benih Kedelai (Glycine max (L.) Meirril) Purwanti, Marlinda Dwi
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.033.1-7

Abstract

This study aims to determine the best of packaging types and storage temperature for soybean seeds. The research was conducted in laboratory using a 5x3 factorial design arranged in a completely randomized design (CRD). The first factor was the types of packaging namely PP plastic (Poly Prophylene) vaccuum, PP plastic (Poly Prophylene) without vaccuum, PE plastic (Poly Ethylene) vaccuum, PE plastic (Poly Ethylene) without vaccuum, and control (without packaging). The second factor was the temperature of storage room, i.e. room temperature (27-29 0C), air conditioned room (17-19 0C) and Cooler room (7 0C). Each treatment was replicated 4 times. The results showed that the best packaging type for storing seed at temperature (27-29 0C) PP plastic & PE plastic with and without vaccuum. However, the soybean seed storaged in air-conditioned room (17-19 0C) and Cooler room temperature (7 0C) using the vaccuum, non vaccuum, and withot packaging could maintain the quality of soybead seed for 4 months.
Kajian Hydrocooling dan Tempat Penyimpanan untuk Mempertahankan Kualitas Cabai Gendot (Capsicum annum var. Abbreviata) Dewi, Sukuriyati Suliso
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.035.16-23

Abstract

The purpose of this study was to understand the effect of hydrocooling and storage on the quality and shelf life of gendot Chili. This study was conducted in Post Harvest Laboratory and Chemistry, Faculty of Agriculture, Universitas Muhammadiyah Yogyakarta. Research was arranged in a completely randomized design (CRD). The first factor is Hydrocooling treatment which consists with and without hydrocooling. The second factor is storage which consist three kind of storage, there are ice box, cooler, and refrigerator. Chili was kept in the storage for 20 days. Parameters of observation were weight losses, damage percentage, fruit hardness, moisture content, vitamin C, reducing sugar, microbiological and organoleptic test. Result showed that hydrocooling treatment was not signicantly effect to the quality of chili. However, hydrocooling treatment is affecting to moisture, Vitamin C, and reducing sugar contents. Storage rooms was not significantly effecting to the quality of chili. There is any interactions between hydrocooling treatment and storage on moisture content, Vitamin C contents, and reducing sugar content.
Penetapan Standar Warna Daun Sebagai Upaya Identifikasi Status Hara (N) Tanaman Jagung (Zea mays L.) pada Tanah Regosol Nugroho, Wisnu Sapto
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.034.8-15

Abstract

A study aims to determine a standard of green color on corn leaves as marker of nitrogen adequacy. A study was conducted in the field of Universitas Muhammadiyah Yogyakarta. The experiment was arranged in a completely randomized design (CRD, which consisted of 7 treatments: 125 kg N/h (N1), 150 kg N/h (N2), 175 kg N/h (N3), 200 kg N/h (N4), 225 kg N/h (N5), 250 kg N/h (N6), and 275 kg N/h (N7). The result showed that the scale between 5GY 5/8 and 5GY 6/8 was the best Leaf color scale to identify Nitrogen condition on corn yield at range of 250 kg N/h and 275 kg N/h. The dose of 250 kg N/h resulted the highest plant height of corn. The dose of 275 kg N/h resulted the highest seed weight per ear and grain weight of 100 seeds at 14% moisture content.
Pertumbuhan Bibit Kelapa Sawit (Elais guineensis) pada Beberapa Waktu dan Arah Aplikasi Boron (B) dan Silikon (Si) Melalui Daun Kaloko, Ageng; Susila, Eka Tarwaca; Dewa, Didik Indra
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2015.039.52-59

Abstract

Study entitled Growth and Drought Resistance Seed Oil Palm (Elaeis guineensis) in Multiple Time and Direction Applications Boron (B) and Silicon (Si) through Leaves aims to study the effect of B and Si on physiological processes and growth of oil palm seedlings experiencing drought stress and get a way and timing of B and Si is effective to reduce the effect of drought on the decline of physiological processes and growth of oil palm seedlings, Has been implemented in the hamlet Bendosari Madurejo village, Prambanan subdistrict, Sleman; Laboratory of Plant Sciences Faculty of Agriculture, Plant Anatomy Laboratory of the Faculty of Biology and Integrated Research and Testing Laboratory (LPPT) Gadjah Mada University Yogyakarta in March to December of 2012. Research using a complete randomized block design (RAKL) factorial 3 x 3 1 to 3 blocks as replications. The first factor is the way fertilization, the second factor is the time of fertilization and added a comparison (control) without any fertilization treatment. The data analyzed were obtained using Varian Analysis (ANOVA) at the level of 5%, and followed by a test of least significant difference LSD. The results showed that the uptake and increased significantly with the application and the leaves by spraying in the morning, afternoon and evening through the direction of the bottom surface, the top and bottom of leaves. However, absorption of Si is only able to increase if the source of Si fertilizer applied by spraying the leaves through a downward direction on the surface of leaves in the evening. Oil palm seedlings can be improved resistance to drought stress with an indication of the form of increasing scores lignin and suberin in roots network as well as the size of the diameter of the rod when compared with control through the application of fertilizer source of B and Si on the leaves by spraying in the morning, afternoon and evening through direction of the bottom surface, the top and bottom of leaves.
Planta Tropika: Jurnal Agrosains (Journal of Agro Science) Vol. 3 No. 1 tropika, planta
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Planta Tropika: Jurnal Agrosains (Journal of Agro Science) Vol. 3 No. 1 tropika, planta
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015)
Publisher : Universitas Muhammadiyah Yogyakarta

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