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INDONESIA
Jurnal Ilmu Pertanian
Published by Universitas Gadjah Mada
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 17, No 1 (2014): Juni" : 7 Documents clear
The Use of Gliphosate Herbicides on Growth, Yield and Residue of Corn Muhammad Danang Faqihhudin, Haryadi, dan Heni Purnamawati
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (276.423 KB) | DOI: 10.22146/ipas.4920

Abstract

The objective of the research was to determine the effect of glyphosate herbicides on growth and yield of corn. This experiments was conducted at Sindang Barang Farm, Bogor from April to August 2013. This experiment used a Randomized Block Design with one factor namely dose of active ingredient glyphosate herbicide. The experiment consisted of 5 treatments such as control, and herbicide with doses 3, 4, 5, and 6 l ha-1. Plot size was 4 x 4 m, with plant spacing of 70 x 20 cm. Plots were treated on week before planting. Growth and yield of corn were influenced by herbicide treatments. Herbicide treatment at doses of 4 l ha-1 to produce seed growth, number of leaves, plant height, and leaf area the highest compared with other treatments. Similiar results also occur in the yield parameters of corn. Increased herbicide doses above 4 l ha-1 lower the better outcomes observed that variable growth and yield of corn. Based on glyphosate residue analysis indicated that each treatments contained residues of glyphosate. Herbicide treatment doses of 6 l ha-1 showed the highest residual value compared with other treatments. Based on glyphosate residue analysis in this research is still below the minimum limits of residue.
Performance of Agro-Morphology and Genetic Parameter of 12 Rice Genotypes at Lowland Rice Irrigation Bambang Sutaryo
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.077 KB) | DOI: 10.22146/ipas.4921

Abstract

ABSTRACTResearch to study performance of agro-morfology and genetic parameters of twelve rice genotypes at lowland rice irrigation was conducted at  Giripeni, Kulon Progo, Yogyakarta, during the wet season of November 2011 to February  2012. Twelve rice genotypess, namely Inpari 1, Inpari 2, Inpari 3, Inpari 4, Inpari 5, Inpari 6, Inpari 7, Ciherang, Dodokan, Silugonggo, Situ Bagendit, and IR64  were arranged in a randomized complete block design in three replications. Seedling of 15 days was planted in legowo 4:1, with one seedling per hill, spacing of 25 x 12,5 x 50 cm, in plot size of 5 x 10 m2. Time application and dosage of fertilizer were :1) Three days before planting with 2 t/ha organic, 2) Five days after planting with 300 kg/ha Phonska,  3) At 21 days after planting with 100 kg Urea/ha; and 4) At  35 days after planting with 100 kg Urea/ha. Data indicated that Inpari 3,  Inpari 5 and  Inpari 1 yielded  7.55; 7.44; and 6.98 t ha -1 respectively, and significantly higher than that of the best check variety Ciherang (6.26 t ha-1 ). Broad genetic variabilities were found for grain yield, panicle number per hill, filled grain per panicle, and total grain per panicle. High heritability estimate was found for 1000-grain weight, filled grain per panicle, total grain per panicle, panicle number per hill,  plant height, and maturity. Genetic and phenotypic correlation between filled grain per panicle and yield,  total grain per panicle and yield, and panicle number per hill and yield showed significantly different.Key words : agro-morphology, genetic parameter,  rice genotype, lowland irrigation
Physiological Characters and Yield of Tea Shoots at Some Age of Production Pruning and Altitude Retno Muningsih, Didik Indradewa, dan Endang Sulistyaningsih
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.659 KB) | DOI: 10.22146/ipas.4922

Abstract

ABSTRACT Altitude in the tea plantation effect physiological processes of the  tea plants. That will effect pruning time of tea plant.  Therefore,  this research is carried out to find: 1) Physiological process of tea plant grow in different ages of pruning and altitudes, 2) Optimum age of pruning at differentaltitude. The research was carried out in tea plantation in Inti PT Pagilaran Batang from July to November 2010. The research was conducted in Oversite design using 2 factor, hight place of plantation area (altitude) i.e 700-900 m asl (above sea level), 900-1100 m asl, 1100-1350 m asl and age of prune i.e 1-year after pruning, 2-years after pruning, 3-years after pruning and 4-years after pruning. All the combination treatment was replicated in 3 blocks. The observation were done on several variable of physiologi, growth and yield.All data were analyzed by variant analysis of oversite (multilocation) levels of 5%, followed by Duncant multiple range test level of 5% if there was significantly different in varian analysis.The results showed that at an The 3-years after pruning tea plants showed the lowest characters in fresh and dry shoot weight. Its pointed out bynumber of accumulative pecco shootthan 1, 2 and 4-years after pruning. Then in altitude of 900-1100 m asl and 1100-1350 m asl the 3-years after pruningthe tea plants showed the higher characters in fresh and dry shoot weight.Its pointed out by number of accumulative peccoshootthan the age of 1, 2 and 4-years after pruning.Decline in crop production occurs at the age of 4-years after pruning, marked by number of accumulative pecco shoots, weight per pecco shoot and length of internodia is lower.Key words: tea, pruning, altitude, ecophysiology of tea
Adventitious Root Characteristics of Some Assamica Tea Clones (Camellia sinensis L. Kuntz) Taryono, Sriyanto Waluyo, and Sholehan
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.096 KB) | DOI: 10.22146/ipas.4923

Abstract

ABSTRACTTea is multiplied either through generative or vegetative propagation systems.  Vegetative propagation is limited by several factors such as poor survival rate at nursery due to poor root formation of some clones and seasonal dependent rooting ability of cutting, however root system plays an important role in regulating of water uptake and absorb nutrient from the soil.  Root formation was believed under genetically control, therefore the objective of this research is  to characterize genetically the adventitious root of some tea clones. Seven clones were explored to study the adventitious root formation through the improvement of rooting media. The result showed that (1) improvement of root quality of tea through adding rooting media with plant growth  regulators seemed difficult to be implemented, (2). Rooting of tea cutting is under genetic control, (3) effort to improve root quality of tea through breeding approach looked visible in the future.Keyword : assamica tea, root, characters
The Implementation of Geographic Information System for Agricultural Commodities Data Inventory and Land Condition Information in Kudus Regency Zed Nahdi, Hendy Hendro HS, Hadi Supriyo, Solekhan
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (358.167 KB) | DOI: 10.22146/ipas.4924

Abstract

ABSTRACTIndonesia as an agricultural country needs to ensure the provision of sustainable agricultural land as the main source of  income for the majority of its people by fostering  the implementation of  the principles of efficiency, sustainability, and self-reliance as well as environmentally sound in agricultural land-use. On the other hand, the  high  population growth of the country (1.4 to 1.5% per year) as well as the economic and industrial development resulted in the degradation and conversion of agricultural lands that hamper  the carrying capacity nationally in maintaining independence and food security.Based on this background, system and methodology developed land suitability mapping using spatial and temporal approach. The goals to be achieved is, first of agricultural land suitability analysis is based on the type of agricultural commodities and climate information, both the alignment evaluation of agricultural land use and spatial planning of the area, the third degradation analysis and mapping of agricultural areas based on data for 1990-2010, the four evaluation Spatial Plan (Spatial), and fifth strategies and policies appropriate to the land use for sustainable agriculture and backup. The methods used in this study include descriptive survey, analysis of spatial and temporal data using statistics G*. Range of values used for the classification of documents using agroecological zone guidelines. Keywords: modeling, mapping, spatial, temporal, G * statistic.
Genetic Variability of Rice Pericarp Color Parameters and Total Anthocyanine Content of Eleven Local Black Rice and Their Correlation Kristamtini, Taryono, Panjisakti Basunanda, dan Rudi Hari Murti
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (477.499 KB) | DOI: 10.22146/ipas.4975

Abstract

ABSTRACTBlack rice starts to be consumed as functional food due to high anthocyanine content which functioned as an antioxidant. The different in an existing name is predicted due to the pericarp color differences which are from light to heavy black.  It is therefore that morphological characteristics observation of pericarp color is required. This study aimed to identify genetic variability of 11 Indonesian local cultivar of black rice based on pericarp color parameters and total anthocyanine content, even their correlations. L*,  a*, b* color parameters were observed using Chroma Meter -  Konica Minolta – Minolta CM-2006, and white standard color was used for calibration, whereas total anthocyanine content was measured based on absorbent value of grinded rice grains using 535 nm wavelength of spectrophotometer. Color parameters and total anthocyanine content data were analyzed using analysis variance to estimate Genetics Variability Coefficient and cluster analysis to know the similarity among these local cultivars of black rice. The result showed that b* color variable and total anthocyanine content indicate broad genetic variability, whereas L* and a* color variables depict narrow genetic variability. There were 3 different groups of black rice based on   L*, a* and b* color parameters and total anthocyanine content. These were Cempo ireng; Banjarnegara, Banjarnegara-Wonosobo, Magelang berbulu, Magelang tak berbulu, Nusa Tenggara Timur and Pari Ireng; and Sragen, Jlitheng, Bantul and Melik groups. Positive significant correlation was observed between L*, a*, b* color parameters, and there was negative significant correlation between total anthocyanine content and L*, a*, dan b* color parameters. Key words: genetic variability, pericap colour parameters, total anthocianin content, local black rice
Pemetaan Lahan Kritis di Kawasan Muria untuk Meningkatkan Daya Dukung Lingkungan yang Berbasis pada Sistem Informasi Geografis (SIG) Hendy Hendro , Zed Nadhi, Sri Budiastuti, Djoko Purnomo
Jurnal Ilmu Pertanian Vol 17, No 1 (2014): Juni
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (253.288 KB) | DOI: 10.22146/ipas.5685

Abstract

Pemetaan dan Invetarisasi Lahan Kritis Kawasan Muria dimaksudkan untuk menyusun sistem database sebagai ruang pengalokasian data-data tentang lahan kritis di Kawasan Muria. Mengingat dikawasan Muria saat ini luasan lahan kritis yang ada cukup besar dan apabila dibiarkan dan tidak ditangani akan mengakibatkan terjadinya penurunan daya dukung lingkungan. Di dalam pembuatan pemetaan Lahan kritis ini digunakan perangkat lunak berbasis sistem informasi geografis (GIS). Database sarana dan prasarana bidang lahan kritis tersebut dikelola dalam sistem informasi yang dapat divisualisasikan dan di update, sehingga mudah disimpan dan digunakan untuk berbagai keperluan sesuai dengan kebutuhan.Metode kerja yang dilakukan untuk analisa lahan kritis adalah berdasarkan atas Petunjuk Teknis Penyusunan Data Spasial Lahan Kritis tahun 2004 oleh Direktorat Jenderal Rehabilitasi Lahan dan Perhutanan Sosial (RLPS) dan Surat Direktur Jenderal RLPS No. S.296/V-SET/2004 tanggal 5 Oktober 2004.Kata kunci : pemetaan, kritis, Kawasam Muria, database

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