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INDONESIA
Jurnal Online Mahasiswa (JOM) Bidang Pertanian
Published by Universitas Riau
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Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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Articles 1,853 Documents
 9   10   11   12   13 
Pengaruh Stressing Terhadap Percepatan Pembentukan Gubal Gaharu Pada Tanaman Gaharu (Aquilaria malaccencis, Lamk) Agus Winarsih; Fifi Puspita; M. Amrul Khoiri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

Agarwood is an aromatic substance formed as brown clumps, blackish brown in the lining of agarwood, divided into 3 classses; agar, kemedangan, ash. Aqualaria malaccencis has been known as an agar producing tree. Naturally, the forming of agar needs teens years. Several method has been known formed agar through wounded to Aquilaria malaccencis, Lamk. The reseach aimed was to test stressing at Aquilaria malaccencis. Lamk in forming agarwood. This research was conducted at Plot Forest Research Institute of Technology Fibers Forest at Ujungbatu, Rokan Hulu, Riau for about 5 months, started from June to October 2011. Aquilaria malaccencis, Lamk, was wound by given fisics stressing consist of without stressing (P0), cordage with 1 ring (P1), cordage with 2 rings (P2), prunning 2/3 part crown (P3), and prunning  1/2 part crown (P4) then combined with biological stressing by inoculation of Fusarium sp. The stressing was designed by randomized block design Duncan’s Multiple Range Test at significant level of 5% was applied to compared physics to agarwood producing. The changed of color and fragrance were analyzed by Non-Parametric Test. Kruskal Wallis at significant level of 5% was applied to evaluate significant treatments. Correlations Test was done between treatment at significant level of 1%. The result showed that Aquilaria malaccencis, Lamk, with fisics tressing (P1, P2, P3, dan P4) showed wood colour changed after 1 month inoculation of Fusarium sp. Stressing cordage with 2 rings (P2) which followed by inoculation of Fusarium sp at Aquilaria malaccencis, Lamk, resulted 26,76 g  dryweight of brown agar with best fragrance at level 2 after 5 months stressing. Based on statistical analysis, there were significant between stressing and agar formed. The best stressing at Aquilaria malaccencis, Lamk, was cordage with 2 rings. The result of correlations test showed strong to very strong of infection area, color changing, fragrans and dryweight of agarwood   Key words: Aquilaria malaccencis, Lamk., agarwood, stressing
Pertumbuhan Dan Hasil Tanaman Kangkung Darat(Ipomeareptans Poir) Diberi Trichokompos Jerami Padi Adnan, Adyan; Rasyad, Aslim; ', Armaini
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

Kang kong (Ipomeareptans Poir) is popular and tasty vegetable mainly grown in tropical asia. In this experiment, we tried to apply rice hay trichocompost to look at if the trichocompost could be utilized for fertilizer in cultivating kang kong.  The research was conducted at the Agriculture Experiment Station, University of Riau from June to July 2013. Five rates of trichocompost was applied and arranged in a randomized block design with four replications. Two seed of kang kong were planted each planting hill with planting space of 20 cm x 30 cm in. Plot size was 1,0 m in length and 1,5 m wide.Observations were made for plant height, shoot-root ratio, number of leaves per plant, leaf canopy area, and fresh weight per plant. The results showed that rice hay trichokompost improved plant growth, mainly in plant height, number of leaves and increased production as represented by vegetable fresh weight. However,leaf canopy area and shoot-root ratio showed no significant differences among the rate of trichokompost. The research suggested that rice hay trichocompost may be applied to the rate of 12 tons / ha in order to obtain better growth and higher fresh vegetable yield. Keyword : vegetable, kang kong, trichocompost
Uji Pertumbuhan Dan Daya Hasil Enam Genotipe Tomat (Lycopersicum esculentum Mill) di Dataran Rendah Situmorang, Agus; ', Adiwirman; ', Deviona
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

The objective of this study was to test determine six genotypes of tomato plants that can adapt in lowlands. This experiment was conducted at the Technical Services Unit of the Faculty of Agriculture from October 2012– February 2013. The exsperimen userandomized block design with six treatments of tomato genotype: Genotype IPB T34-7-7, Genotype IPB T57-3, Genotype IPB T33-1-3, Genotype IPB 53-3-3, Ratna and Karina with 3 replications. Parameters those measured were stem diameter, plant height, flowering, harvest, fruit length, fruit diameter, flesh thickness, fruit cavity number, weight per fruit, fruit weight per plant and number of seeds per gram. The results showed that of all genotypes tested significantly affect crop growth and yield. Genotypes tested significantly affected flowering, harvest, plant height, fruit length, fruit diameter, flesh thickness, weight per fruit, number of seeds per gram and the total weight of crop and not significantly different to the amount of fruit and stem diameter cavity. Results of total weight per plant was highest in Genotype IPB T33-1-2 and followed Genotype IPB T53-3-3 and the lowest total weight per plant found in Genotype IPB T34-7-7 and followed Genotype IPB T57-3. Keywords: tomato, result, genotypes, lowlands.
Variabilitas Genetik dan Heritabilitas 20 Genotipe Tanaman Cabai (Capsicum annuum L.) Unggul Koleksi Ipb Romadhoni, Anggi; Zuhry, Elza; ', Deviona
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

Study lasted from June until November 2011, at Bogor Agricultural University (IPB), Leuwikopo, Dramaga. This research using Randomized Complete Block Design (RCBD), one factor consisting of 20 genotypes of chilli that comes from the collection of IPB (C2, C5, C105, C111, C117, C118, C120, C160, C51, F5110005-91-13-5, F5110005-91-13-12, C157, C159, F5120005-5-11-1, F8002005-2-9-12-1, C140, C19, C18, C143, C145) with three replications. Data were analyzed using the F test and test of Duncan New’s Multiple Range Test (DNMRT) 5% level. Result shows that the genetic variability and heritabilty of 20 genotypes chilli in quantitative parameters were different each other.Genotypic coeffecients of variation (GCV) at intervals between 1,36 -22,11%. The heritability value at intervals 42.05%-91.80%. Almost all of the observed variables had high heritability value, except leaf length and flowering date which is only on intermediate criteria. For weight per fruit, C143 reveal significant value than other genotype and yield per plant C5 reveal significant value than the others. It indicate that C143 and C5 can be selected as Hybrid chilli plant. The genotypes tested in this study had a high level of variability that could potentially be used as a parent for crosses. Meanwhile, the 20 genotypes that observed qualitiatively shows it genetic relationship. Keywords : genotypic coeficient of variation, variability, heritability, phenotipic variance.
Efektifitas Bahan Pengawet Dari Asap Cair Tandan Kosong Kelapa Sawit (Elaeis guineensis) Terhadap Serangan Rayap (Coptotermes curvignathus Holmgren) Pada Kayu Pulai (Alstonia scholaris) ', Annahyan; Sulaeman, Rudianda; Sribudiani, Evi
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

Pulai wood have economic value, while durable grade is V and powerful class is IV-V and it is low-grade durable, because of that it is needed preservation on Pulai wood. Many Preservation using chemicals that are harmful to environment and humans. In utilizing natural ingredients derived from plants as safer alternative preservatives for environment and humans, it can be renewable for preserving wood from invading organisms wood destroying, especially termites. Materials used as a preservative is liquid smoke empty fruit bunches of oil palm. The aims of this research are to determine termite mortality, retention, weight lose, and water content as well as know the effectiveness of the provision of liquid smoke on Pulai wood preservation against termite attack. The methods used in this research is (RAL), the concentration of liquid smoke oil palm empty fruit bunches of 0%, 10%, 20%, and 30% with 5 replications for three weeks is fed on termites. The results showed that using of preservatives smoke liquid at concentrations of 30% has a value of lose weight on Pulai wood of 0.00g/cm3 and 100% termite mortality. Key word: Liquid Smoke, TKKS, Preservative, Pulai Wood And Coptotermes Curvignathus   Holmgren.
The Effectiveness Of Urine as A Subtitute Nitrogen Fertilizer on Nursery Cocoa Plants (Theobrema cacao, L) Arnadi Gunawan; Elza Zuhry; Amrul Khoiri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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This research explains comparison of effectiveness human urine  with urea fertilizer on the growth of cocoa seedlings (Theobroma cacao, L). This Research use Completely Randomized Design (CRD) with seven treatments, namely: (1) U0 = 2 g Urea, (2) U1 = 50 ml human urine without fermentation, (3) U2 = 100 ml human urine without fermentation, (4 ) U3 = 50 ml fermentation of human urine for 7 days,  (5) U4 = 100 ml fermentation of human urine for 7 days, (6) U5 = 50 ml fermentation of human urine for 14 days, and (7) U6 = 100 ml fermentation of human urine for 14 days. Each treatment was repeated 3 times, thus obtained 21 experimental units.  in this research, parameters measured were seedling height, number of leaves, leaf area, stem diameter, root volume, wet weight, dry weight of plants, the ratio of roots crown, and seed quality index of cocoa seedlings. The data obtained in this study continued using Duncan's Multiple Range Test 5%. This study shows that the use of human urine is more effective than the use of urea fertilizer, especially on the use of 100 ml of human urine without fermentation. The use of human urine 100 ml without fermentation, can significantly improve seedling height, leaf number, root volume, wet weight, and quality of cocoa seedlings index. Keywords: cocoa seedlings, human urine, urea fertilizer.
Pemberian Beberapa Jenis Pupuk Kandang Untuk Mengendalikan Penyakit Puru Akar Yang Disebabkan Oleh Nematoda Meloidogyne Spp. Pada Tanaman Kedelai ', Basuki; Ali, Muhammad; Elfina, Yetty
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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This research aims to obtain the barnyard manure in controlling root knot nematode disease caused by Meloidogyne spp. on soybean plant. The research has been conducted at the Laboratory of Plant Pathology and at Experimental Farm Faculty of Agriculture, University of Riau, from July to October 2012. The research has been conducted experimentally arranged a completely randomized design (CRD), which consists of 4 treatments: without manure (P0), Chicken manure (P1), Goat manure (P2) and Cattle manure (P3). Each treatment was replicated 3 times. The results showed that application of chicken and cow manure were better in controlling nematodes Meloidogyne spp. as indicated in a lower gall indices. Application of chicken and goat manure increased height of soybean plants affected by nematodes Meloidogyne spp. Keywords : Soybean Plants , Meloidogyne spp. and Barnyard Manures.
Pengaruh Lama Pengomposan Tandan Kosong Kelapa Sawit (Tkks) Terhadap Pertumbuhan Dan Perkembangan Bibit Kelapa Sawit (Elaeis guineensis jacq) Azlansyah, Boby; Silvina, Fetmi; ', Murniati
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

The purpose of this research to get the receptable of long composting palm empty fruit bunches as mixed of media to support the growth and development of oil palm seedlings. This research was experiment and used Completely Randomized Design (CRD) consisting of 3 treatments with 6 replications, so there are 18 experimental units. Each unit consists of two plants. The treatment were:                 A1 = Composting two weeks, A2 = Composting four weeks, and A3 = Composting six weeks. The result of this research shown that the use of compost empaty fruit bunches with long composting influential to the seedling height and hump diameter, during composting 2, 4, and 6 weeks show indicates the number of leaf midrib, long of leaf, crown root ratio, dry weight of seedlings but during the six weeks long composting show higer vielt to get better growth and development of oil palm seedlings can use empaty fruit bunches.   Keywords: long composting, palm empty fruit bunches, oil palm seedlings.
Penilaian Kerusakan Tanah Pada Produksi Biomassa Perkebunan Di Kecamatan Kuala Cenaku Kabupaten Indragiri Hulu Candra Richardo Saragih; Besri Nasrul; Idwar '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

This research aims to identify the damage of the soil as well as evaluating the extent of soils damage due to the production of biomass plantations. This research was conducted using survey methods. The result shows that based on evaluation on plantation of biomass production which is as a result of forest conversion, founded there are same soil chemical and  physical are changing. The physical soil changes on plantation area are moisture content that  increasing 1.2%, decrease of water content 18.1% on sub group haplosaprists soil, increaseing of weight 0,19 g/cm3 on sub group endoaquents land, decrease of weight to 0.02 g/cm3 on haplosaprists soil sub group, the increase in the value of specific gravity 0.36 g/cm3 soil sub group on endoaquents heavy type of value, decrease ofland sub group haplosaprists 0.27 g/cm3, the decline in the value of the total pore space is 1.65 % on the land sub group endoaquents and 2.1 % on the land sub group haplosaprists. Chemical changes on plantations are decreasing of pH soils 2.1 on the sub group haplosaprists land, a decrease of DHL value 1.79 dS/m on the sub group endoaquents land, an increase of 0.36 dS/m on the sub group haplosaprists land,  redox value of soil on the 25.5 mV on the sub group haplosaprists land. Biological properties of the soil changes on the plantation include the increasing amount of soil microbes 2.6 cfu/g on the sub group endoaquents soil and 2.1 cfu/g on sub group at haplosaprists soil.
Pengaruh Pemberian Tanah Mineral Dan Aerasi Pada Tanah Gambut Yang Disawahkan Terhadap Pertumbuhan dan Produksi Tanaman Padi (Oryza sativa. L) David A Sibagariang; Wawan '; Husna Yetti
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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This study aims to determine the proper dose of minerals oil as a material amelioranton peat soil and aeration delivery on peat land planting medium to support the grow thand yield ofrice. The research was conducted at the Experimental Station of the Faculty of Agriculture, University of Riau in May until September 2012. This study conducted experiments using completely randomized design with 2 factor sand three replications. The first factoris the provision of minerals oil with 4levels: TM0=0g/pot, TM1=280g/pot, TM2=560g/pot, TM3=840g/pot. The second factoris Aeration with 2levels: with out aeration and A0=A1=Byproviding aeration. The result show that mineral and aerated soil factors significantly affected all parameters of observation. The interaction between the two treatments also significantly affected all parameters ofobservation. Key words: rice, peat, mineralsoil, aeration

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