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Jurnal Agro Teknologi Tropika
Published by Universitas Riau
ISSN : -     EISSN : 23376562     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi Tropika memuat hasil-hasil penelitian mutakhir (5 tahun terakhir), ulasan singkat (review), analisis kebijakan atau catatan penelitian singkat (research note) mengenai teknik percobaan, alat, pengamatan, dan hasil awal percobaan (preliminary result) terkait bidang Ilmu Pertanian seperti : Agronomi, Pemuliaan Tanaman, Ilmu Tanah, Proteksi Tanaman, Mikrobiologi Pertanian, dan bidang ilmu pertanian terkait lainnya. Jurnal Agroteknologi Tropika terbit dua kali dalam setahun pada bulan Januari dan Juni.
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Articles 58 Documents
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Pengaruh Tiga Taraf Masukan terhadap Beberapa Varietas Kedelai di Lahan Kering Masam di Daerah Tandun Provinsi Riau
Jurnal Agro Teknologi Tropika Vol 3, No 1 (2014)
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To get good productivity, the management of dryland in acid soil require specific technologies that made farmingmore effective, efficient and sustainable. Riau province has potential for crop agriculture, with the majority of plantationcrops and apart of food crops such as upland rice, soy, peanuts and corn.. The purpose of this study is to study severalvarieties of soybean response to three levels of inputs in dry land areas Tandun Riau province. The experimental designused is a randomized block design with two factors. The first factor is the level of input that consists of a). A low input (50kg.ha-1 urea, 50 kg.ha-1 SP-36, 50 kg.ha-1 KCl); b) Medium input (75 kg.ha-1 urea, 100 kg.ha-1 SP-36, 75 kg.ha-1 KCl and500 kg.ha-1 lime); c) High input (75 kg.ha-1 urea, 100 kg.ha-1 SP-36, 100 kg.ha-1 KCl and 1000 kg.ha-1 lime. Factor II issoybean varieties that consist of a). Anjasmoro, b). Agromulyo, c). Tanggamus, d). Kaba and e). Wilis. Observationsincluded plant height, number of branches, number of empty pods per plant, number of pods per plant and pod yield. Thestudy shows the input level and variety affect the number of branches, number of empty pods, number of pods and soybeanyields. Anjasmoro varieties with high input gives the highest yield (1.5 t.ha-1) when compared to other treatmentcombinations. While the lowest yield was obtained at Kaba and Wilis varieties with low input, ie, 0.8 t.ha-1.Keywords: varieties, soybeans, input level, sour dry land
Isolasi dan Identifikasi Mikoriza Asal Tanah Gambut di Bawah Tegakan Kelapa Sawit (Elaeis guineensis Jacq.) di Beberapa Kabupaten di Riau
Jurnal Agro Teknologi Tropika Vol 3, No 1 (2014)
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Isolation and utilization of peat soil mycorrhizae have been started, yet for local peat soils of Riau has not beenwidely studied. The odjective of this study were to determine the types of mycorrhizae on oil palm plant stands on peatland in several districts in Riau. Peat soil sampling in several Bengkalis districts (Bantan Middle Village, DistrictBantan), Kampar (Village Rimbo Panjang, District Tambang), Pelalawan (Sungai Ara Village, District Sungai Ara) andSiak (Temusai Village, District Bunga Raya). The research was conducted in the laboratory with soil sampling inaccordance with the purposes of research and analysis in the laboratory according to the method of each parameter.This study had found that 2 genus Acaulospora spores and Glomus. The genus consists of Acaulospora, Acaulosporatuberculata, Acaulospora foveata and Glomus genus consists of Glomus diaphanum, Glomus etunicatum and Glomussp.1. but the types of spores are more dominant in the 4th District is the kind of spores Glomus sp.1.Keywords : isolation, identification, peatsoil, mycorrhizae, palm oil
Respon Pertumbuhan dan Hasil Tanaman Cabai terhadap Aplikasi Fungi Mikoriza Arbuskular (FMA) Berbagai Media Pasir
Jurnal Agro Teknologi Tropika Vol 3, No 1 (2014)
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Abstract

Chili production in Indonesia is less than optimal due to many factors, such as plant disease and pest attack. Plantdisease and pest attack can be controlled with increased resistance of plants through plant breeding, genetic engineering,as well as by inducing plant resistance using microbes such as Arbuscular Mycorrhizae Fungi (AMF). This researchaims to study the effect of the potential of the growth and resistance of chili crops, AMF exploration needs to be doneand propagated in two types of medium sand to facilitate application in chili. Stages of research are the exploration,identification and propagation of AMF and test preparation of chili crops. AMF inoculum propagation results withsand mediums are used in research as much as 50 g, 100 g, 150 g and 200 g per polybag. AMF inoculum was added tothe planting hole with time transplanting. This research used a completely randomized design with three replications.The purpose of this study was to determine the response of the growth and yield of chili crops on the application of FMAin sand medium. Variables measured include crop height, number of leaves, number of flowers, number of fruits, fruitweight and percentage of fruit maturity. Based on the results of this study concluded that the multiplication of AMFspores in the medium sand gives good results. The number of spores on the mountain sand is higher than the sea sand. Allvariables of growth and yield of chili crops treated with AMF showed good results and significantly different than thecontrol. The author recommends to use a formulation FMA medium sand mountain with 200g dose because it producesthe highest fruit weight .Keywords : Arbuskular Mycorrhiza Fungi, sand medium, chilli crops.
Rekomendasi Pemupukan N, P dan K pada Tanaman Padi Sawah (Oryza sativa L.) dalam Program Operasi Pangan Riau Makmur (OPRM) di Kabupaten Kampar Ardiansyah, Ruli Febri
Jurnal Agro Teknologi Tropika Vol 3, No 1 (2014)
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An experiment to study the growth and yield components the efficiency of N, P and K fertilizers for paddy rice in theprogram of prosperous Riau food operation (OPRM) and to define the exactly recommended fertilizer in Kampar district hasbeen conducted from July to November 2011. The research was conducted using Randomized Block Design (RBD) with 6treatments and 4 replications. The further test has been conducted using DNMRT 5 %. The treatments consisted of : A0=withoutfertilizer; A1=7.5 g Urea, 6 g TSP and 3 g KCl per plot; A2=15 g Urea, 12 g TSP and 9 g KCl per plot; A3=22.5 g Urea, 18 gTSP and 15 g KCl per plot (dosage of fertilizers recommended in the program of prosperous Riau food operation in Kampardistrict); A4=30 g Urea, 24 g TSP and 21 g KCl per plot; and A5=45 g Urea, 30 g TSP and 15 g KCl/plot (dosage of fertilizersrecommended in the program of prosperous Riau food operation in Riau). The results showed that effect of N, P and K fertilizersfor paddy rice was significant in increasing the number of productive tillers, the percentage of grain filled and grain yield,whereas the parameters of 100-grains weight, and the efficiency of grains was not significant. The application of N, P and Kfertilizers 45 g Urea, 30 g TSP, and 15 g KCl per plot (150 kg.ha-1 Urea, 100 kg.ha-1 TSP, and 50 kg.ha-1 KCl) which was thedosage of fertilizers recommended in the program of prosperous Riau food operation at Riau increased grain yield better thanthe other dosage. If converted to hectar, the yield was equals to 4,07 tons.ha-1.Whereas, the highest of grain yield efficiency wasat dosage of 7.5 g Urea, 6 g TSP and 3 g KCl per plot (25 kg.ha-1 Urea, 20 kg.ha-1 TSP and 10 kg.ha-1 KCl). The recomendeduse of fertilizers for paddy rice planted with PB-42 variety in Kampar District was suggested at a dosage of 150 kg.ha-1 Urea,100 kg.ha-1 TSP and 50 kg.ha-1 KCl.Keyword: recommendation, N, P, K fertilizers, paddy- rice, efficiency, OPRM program
Pendugaan Komponen Ragam dan Heritabilitas Karakter Kuantitatif Cabai (Capsicum annuum L) Hakim, Abdul; Syukur, Muhamad
Jurnal Agro Teknologi Tropika Vol 4, No 2 (2015)
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Chili is one commodity that is widely consumed vegetable Indonesian society. Assembling a variety with a specificpurpose requires genetic information about the characters wanted. One way to obtain genetic information is throughthe estimation of variance components and heritability. The purpose of this study was to estimate the variance andheritability of quantitative characters in chili. This research was conducted at the experimental Leuwikopo, Departmentof Agronomy and Horticulture IPB, Bogor Darmaga from April to September 2009. The population used a total of 17genotypes Collection Genetics and Plant Breeding Laboratory, Department of Agronomy and Horticulture. Genotypesused were IPB C2, IPB C4a, C5a IPB, IPB C10, C14 IPB, IPB C15, C19 IPB, IPB C20, C105 IPB, IPB C110, C126 IPB, IPBC128, C129 IPB, IPB IPBC131 C130, C132 IPB, and IPB C133. The experiment was arranged in a randomized completeblock design (RCBD) single factor with 2 replications. The results showed that the characters have a value of broadgenetic diversity are high dichotomous, plant height, crown width, stem diameter, flowering time, the time of harvest,fruit weight per plant, weight per fruit, fruit length, fruit diameter of the center, and the number of fruits per plant forquantitative and all characters have broad sense heritability values are high. This suggests that the genetic influenceis greater than the influence of the environment on the genotype.
Pemberian Kompos Tandan Kosong Kelapa Sawit dan Zat Pengatur Tumbuh Alami terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis guinensis Jacq.) di Pembibitan Utama Menggunakan Medium Subsoil Ultisol Amri, Al Ikhsan
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This research aim was to study the effects of applying oil palm empty fruit bunches compost and natural growthregulator substances on growth palm oil ( Elaeis guineensis Jacq.). This research was conducted in screen house ofAgricultural Faculty, University of Riau, from December 2012-April 2013. Subsoil ultisol was taken from Kulim RegionPekanbaru. Soil chemical properties of ultisol material was analyzed at Soil Laboratory of Soil Research Bogor. Thisresearch used a split plot design as the main plot was natural growth regulator substances and subplot was oil palmempty fruit bunches compost consists of 3 treatments in the main plot and 4 in the subplot. The treatments in the mainplot: Z0 = without natural growth regulator, Z1 = natural growth regulator substances using banana corm, Z2 =natural growth regulator subtances using bamboo shoots. The treatments in subplot: T0 = without oil palm empty fruitbunches compost, T1 = 20 tons per ha of oil palm empty fruit bunches of compos, T2 = 30 tons per ha of oil palm emptyfruit bunches of compos, T3 = 40 ton per ha of oil palm empty fruit bunches of compos. The result showed that applicationof oil palm empty fruit bunches compost 20 tons per ha, without or with natural growth regulator subtances increasedplant height, number of leaves and diameter hump.
Pengujian Beberapa Formulasi Trichoazolla terhadap Pertumbuhan Bibit Kelapa Sawit di Pembibitan Wahyudi, Cecep Ijang; Puspita, Fifi
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This study aimed to investigate the effect and get better interaction from the oil palm crosses and formula ofTrichoazolla to the growth of oil palm seedlings in nursery. Research conducted experimentally using FactorialRandomized Block Design with 2 factors and repeated three times. Data were analyzed statistically by analysis ofvarience and data showing the real effect was tested further by Duncan’s New Multiple Range Test (DNMRT) at 5%. Theresults showed that the formula of Trichoazolla compost and crosses of oil palm interact positively about increaseheight, wet weight, dry weight, crown root ratio and root volume of oil palm seedlings. The main effect of oil palm crossescan trigger plant growth through accretion high, number of leaves, wet weight, dry weight, rod diameter, crown rootratio and root volume of oil palm seedlings. The main effect of Trichoazolla formulations affect of height increment, thenumber of leaves, wet weight, dry weight, rod diameter, crown root ratio and root volume of oil palm seeds.Keywords : Trichoazolla formulation, oil palm, nursery
Karakter Morfofisiologi Daun dan Hasil Kedelai (Glycine max L. Merill) Varietas Petek dan Varietas Jayawijaya pada Naungan Soverda, Nerty; Alia, Yulia
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This research aims to study the effect of shade on morphophysiology character and results of soybean Petek andJayawijaya varieties. The study was conducted at the experimental site of Faculty of Agriculture, University of Jambi.Materials and tools used are paranet 50%, soybean seed Petek variety (shade tolerant) and Jayawijaya variety (shadesensitive), manure, NPK fertilizer, fungicide and insecticide. Equipment used includes field equipment, clear nail polish,microscope camera, analytical scales, tweezers and others. This study used a split plot design consisting 2 factors. Thefirst factor is the shade as the main plot (N) which consists of two levels, namely the auspices of 0 % (no shade) and 50% of shade. The second factor (subplot) is soybean varieties are Petek variety and Jayawijaya variety. The resultsshowed that the Petek showed consistency as shade-tolerant variety in shade 50% to show the state of the leaves arethinner, wider leaves, a decrease in stomatal density is lower and higher chlorophyll content compared with Jayawijayavariety (shade sensitive). There is no interaction between treatment shade and variety.
Penggunaan Biofungisida Pelet Trichoderma harzianum pada Pembibitan Awal Kelapa Sawit Elfina S, Yetti; Ali, Muhammad; Delfina, Delfina
Jurnal Agro Teknologi Tropika Vol 4, No 1 (2015)
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Ganoderma boninense Pat. is one of the pathogens that infects young, immature and mature palm oil plants. Theinfection of the fungus can cause the death of palm oil plants, causing a decrease in the production of the plants.Alternative control of the disease is biological control using granular biofungicide containing Trichoderma harzianum.One factor that determines the success of the biofungicide is the dosage used. This study aims to determine the effect ofvarious dosages of T. harzianum granular biofungicide to control G. boninense and to study its effect on the growth ofyoung palm oil plants at pre nursery stage and obtain the best dosage in controlling G. boninense and to increasegrowth of young palm oil plants. This study was performed experimentally using completely randomized design consistingof 5 treatments and 4 replications. Each replication consisted of 2 young palm oil plants in medium of 4 kg soil/polybag.The treatment is dosage of granular biofungicide T. harzianum: 0, 5, 10, 15 and 20 g/polybag. The data were analyzedstatistically using analysis of variance and the means of treatment were tested with Duncan’s New Multiple Range Test(DNMRT) at level 5%. The results showed that dosage of granular biofungicide was significantly affected to control theG. boninense and to increase the height of the young plants and the volume of root of the young plant in the pre nurserystage. Dosage of granular biofungicide 10 g/polybag gave a better control to G. boninense (lowest diseases intensity:15,63 %) and to increase growth of young of palm oil plants than other dosages.
Aplikasi Amelioran Jerami dan Sekam Padi pada Tanah Gambut terhadap Pertumbuhan dan Produksi Kedelai Hendra, Hendra; Nelvia, Nelvia; Wardati, Wardati
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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Research applications straw and rice husk as ameliorant on peat soil to improve the growth and production ofsoybean in the peat soil was conducted from April to August 2012, at green house of the Faculty of Agriculture,University of Islamic of Indragiri. The objective was to get the best composition application ameliorant straw and ricehusk on peat soil on the growth and production of soybean. The experiment was used the completely randomized designwith a single factor consisting of 8 treatments (control, 3 tons.ha -1 of AJP, 3 tons.ha-1 of ASP, 3 tons.ha-1 of KJP, 2 tons.ha-1 of KJP + 1 tons.ha-1 of AJP, 2 tons.ha-1 of KJP + 1 tons.ha-1 of ASP, 1 tons.ha-1 of KJP + 1 tons.ha-1 of AJP and 1 tons.ha-1 of KJP + 1 tons.ha-1 of ASP) with 3 replications. Observations of each parameter analysis of variance (F test) and thedifference in treatment was continued with DNMRT (Duncan’s New Multiple Range Test) at 5% level. The results showedgranting ameliorant 3 tons.ha-1 of AJP can improve plant growth in terms of height that 51.16% (145.75 cm), ratio of theroot crown (4.86 g) dry stover weight of 1232.59% (24.12 g) soybean crop production, including number of 272.72% ofpods per plant, number of seeds per plant and seed weight 335.87% 333.23% dry. compared with no treatment.

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