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AGROEKOTEKNOLOGI

agroekoteknologi
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Published by Universitas Sumatera Utara

ISSN : 23376597 EISSN : - DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal AGROEKOTEKNOLOGI merupakan jurnal ilmiah yang diterbitkan secara online berisikan hasil-hasil penelitian tentang hama dan penyakit tumbuhan, agronomi, pemuliaan tanaman dan ilmu tanah

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Articles 943 Documents

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INDEKS KEANEKARAGAMAN JENIS SERANGGA PADA PERTANAMAN KELAPA SAWIT (Elaeis guineensis Jacq.) DI KEBUN HELVETIA PT. PERKEBUNAN NUSANTARA II Gevit R Tambunan; Mena Uly Tarigan; Lisnawita Lisnawita
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Insect Species Diversity Index in Oil Palm (Elaeis guineensis Jacq.) Planting in Helvetia Estate, PT.Perkebunan Nusantara II. The purpose of this study was to find out the insect species diversity index inoil palm (Elaeis guineensis Jacq.) planting in Helvetia Estate, PT. Perkebunan Nusantara II. This surveystudy was conducted from June to August 2101 in Helvetia Estate, PT. Perkebunan Nusantara II, DeliSerdang District with the altitude of ± 23 meters above sea level. The insects were caught by busingsweep net, pit fall trap, and light trap, then they were observed at the Plant Pest and Disease Laboratory,Faculty of Agriculture, University of Sumatera Utara. The result of this study showed that 298 insectsconsisting of 9 orders and 29 families were trapped and caught in the oil palm plantation area which hasproduced and 367 insects consisting of 10 orders and 34 families were trapped and caught in the oil palmplantation area which has not produced.The value of Insect Species Diversity Index according to thehighest Shanon-Weiner (H’) in the oil palm plantation area which has produced is 2.9276 (adequate) andin the oil palm plantation area which has not produced is 2.9848 (adequate). While the value ofSorensen’s Quotien of Similarity for the kinds of insects in both areas is 79.365%.Keywords: Diversity index, oil palm, insect

UJI TOLERANSI BEBERAPA VARIETAS PADI (Oryz Halimatussakdiah Halimatussakdiah; Luthfi A. M. Siregar
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The objective of this study is to have a reliable variety to extend on an used cultivated land. Thisresearch was carried out on an used cultivated land as fish pond with salty sulfate contained onKecamatan Percut Sei Tuan in a height site ± 2 m asl with its coastal far distance ± 1 km, has DHL6.5 - 6.8 and pH 4.1 – 4.6. The research adopted group random design with 18 varieties of rice asplant to test. The parameter to analyze such as height of plant, number of saplings, number ofproductive saplings, length of grains, numbers of grains, number of decomposed grains, grainsproduction and wet weight and dried weight of roots.The result of research indicated amongst different of varieties as tested showed a significantdifferent on all parameter as analyzed. Out of 18 varieties that has been tested were found 12varieties survivable, whereas the varieties prospective to extend on the used cultivated land locationwith salty sulfate such as Banyuasin, Dendang, Siak Raya, Punggur and Lambur regions.Keywords : tolerated test, rice, salty sulfate

PENGUJIAN RESPONS PERTUMBUHAN BEBERAPA VARIETAS PADI SAWAH (Oryza sativa L.) AKIBAT CEKAMAN SALINITAS Herti Folarida Hutajulu; Rosmayati Rosmayati; Syafruddin Ilyas
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Growth Response Testing of Several Rice Varieties (Oryza sativa L.) Caused of Salinity. In theSub-District Percut Sei Tuan there are around 700 hectares more area paddy fields that can becategorized as has been affected by sea water (is 1-2 km to coast). The production rice fields in thearea was around 2-3 tons per hectare with using varieties Ciherang and Mekongga. But varietiesCiherang have potential result8.5 tonnes/ha with result average 6.0 tonnes/ha in the non- salinity.The problem is to be a basic idea how to increase production the be examined back some varietiesthat had been found varieties that not only could but critical market result in standard national resultrice that is 6.0 ton/ha.This study aims to determine the growth response of some rice varieties due tosalinity stress. The study was conducted in the Village of Tanjung Rejo, Hamlet Paluh Merbau, Sub-District Percut Sei Tuan, Deli Serdang Regency with altitude of 1.5 meters above sea level in April-September 2012 using a Randomized Block Design with eight varieties of rice plant (Ciherang, IR64 , Lambur, Batanghari, Banyuasin, IR 42, Inpari 10 and Margasari) with 3 replication. Parameter isobserved germination, salt injury, plant height, number of tillers, leaf chlorophyll, leaf area, numberof productive tillers, panicle length, number of grains contains per panicle, number of grains perpanicle empty, grain weight per plot, and 1000 grain weight. The results showed that Ciherangvarieties and Banyuasin is highly tolerant to salinity. Banyuasin and Batanghari production per plothad the highest and lowest are IR 64 varieties and Inpari 10 varieties.Keywords: salinity, varieties, paddy.

PERUBAHAN SIFAT KIMIA ANDISOL AKIBAT PEMBERIAN SILIKAT DAN PUPUK P UNTUK MENINGKATKAN PRODUKSI KENTANG (Solanum tuberosum L.) Ina Santa Santa Monica Br Sembiring; Mukhlis Mukhlis; Bintang Sitorus
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Field research was conducted applied Agrosil as silicate material and Phosphorus fertilizer forpotato plant to determine the changes of chemical characteristics of Andisols and yield of potato.This research used Factorial Blocky Randomized Design with treatment Si dosage 0 kg SiO2/ha(S0), 750 kg SiO2/ha (S1), 1500 kg SiO2/ha (S2), 2250 kg SiO2/ha (S3), and P fertilizer dosage 0 kgP2O5/ha (P0), 90 kg P2O5/ha (P1), 180 kg P2O5/ha (P2), 270 kg P2O5/ha (P3), so there are sixteencombination and three blocks, so there are fourty eight units treatments. This result showed thatapplied Agrosil could increase soil pH, SiO2 available and decrease P retention. Applied Agrosilcould increase weight and amount of class A tuber(> 100 g/tuber) with the best dosage 1500 kgSiO2/ha at S2 treatment. This research useful to solve the problem phosphate available in Andisolsoil.Keywords: Chemical Characteristics of Andisols, Agrosil and Phosphorus Fertilizer, Yield ofPotato(Solanum tuberosum L.).

EVALUASI KARAKTER MORFOLOGIS DAN PRODUKSI MUTAN PADI DENGAN APLIKASI PUPUK N DAN P YANG BERBEDA Indra Maulana` Indra Maulana; Eva Sartini Bayu; Lolliei Agustina P. Putri
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Evaluation Of Morphological Characters and Production of Mutan Rice by Aplicating N And PDifferent Fertilizer. Rice crop is the staple food for more than 1750 million people who inhabit thecountries of Asia and is a strategic political commodity, so that rice production in the country bemeasured by the availability of food for Indonesia. Through the technique of irradiation to producemutants or mutated plants with properties expected after a series of testing, selection andcertification. This reaserch using Randomized Block Design with 2 factors, nitrogen (250, 300, 350kg/ha) and phosphate (200, 250, 300 kg/ha). From the data analysis obtained that Nitrogen andPhosfat fertilized treatment perform the significant effect to the plant height, number of tillers, themaximum number of tillers, number of productive tillers panicle number, the number of paniclebranches, number of grains per panicle, 1000 grain weight, production per plant and production perhectare. treatment did not significantly affect the parameter of seed germination,time germination,he number of empty grains per panicle, the percentage of empty grains per panicle, length ofvegetative stage, length stadia generative, age of flowering , age of harvest and stem diameter.Keywords : nitrogen, phosphate, mutan, rice

UJI EFEKTIVITAS JAMUR ANTAGONIS Trichoderma sp. dan Gliocladium sp. UNTUK MENGENDALIKAN PENYAKIT LANAS (Phytophthora nicotianae) PADA TANAMAN TEMBAKAU DELI (Nicotiana tabaccum L.) Irma Agustina; Mukhtar Iskandar Pinem; Fatimah Zahara
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The test of the effectiviveness of Trichoderma sp. and Gliocladium sp. antagonism fungi is aimed tocontrol lanas disease (Phytophthora nicotianae) in Deli tobacco plants (Nicotiana tabaccum L.). Theaim of the research was to know the effectiveness of Trichoderma sp. andGliocladium sp.antagonism fungi in controlling lanas disease in Deli tobacco plants. The research wasconducted at Tembakau Deli Research Center of PTPN II Sampali, Medan, from May untilSeptember, 2012. The research used non-factorial RAK (cluster random design) with ten treantmentsand three repetitions: control, P.nicotianae, 5 grams of Trichoderma sp., 10 grams of Trichoderma sp.,15 grams of Trichoderma sp., 20 grams of Trichoderma sp., 5 grams of Gliocladium sp.,10 grams of Gliocladium sp., 15 grams of Gliocladium sp., and 20 grams of Gliocladium sp. The resultof the research showed that the percentage of the highest attack was found in the treatment ofP.nicotianae (25.00%), but there was no symptom (0,00%) in the treatments of control,15 grams of Trichoderma sp., 20 grams of Trichoderma sp., 10 grams of Gliocladium sp.,15 grams of Gliocladium sp., and 20 grams of Gliocladium sp. The highest plant was found in thetreatment of 20 grams of Gliocladium sp. (50,92 centimeters) and the lowest plant was found in thetreatment of P.nicotianae (31,14 centimeters). The largest number of leaves was found in treatment of20 grams of Gliocladium sp. (20,18 leaves), and the smallest number of leaves was found in thetreatment of P.nicotianae (9,25 leaves). The result of the test of Trichoderma sp. and Gliocladium sp.antagonism fungi on P.nicotianae indicated that the growth of both fungi had rapidly developed so thatP.nicotianae tended to get away from antagonism at the media in the laboratory.Keywords: Trichoderma sp., Gliocladium sp., P.nicotianae, Antagonism

EVALUASI KEMAMPUAN LAHAN DESA SIHITONG, SINAR SABUNGAN DAN LUMBAN LOBU KABUPATEN TOBA SAMOSIR Sitohang, Julpan Lynneus; Sitorus, Bintang; Sembiring, Mariani
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4391

Land capability evaluation is an evaluation of land potential for use of various farmingsystems in general without specifying the allocation to certain crops and management actions. Theresearch was conducted in April of 2012. The purpose of this study was to determine the landcapability class on Sihiong, Sinar Sabungan and Lumban Lobu Village Toba Samosir Distric withthe method of limiting factors and matching according to land capability class Arsyad (1989).Analysis of the soil such as soil texture, permeability, bulk density, salinity and organic material areconducted in the Laboratory of Research and Technology, Faculty of Agriculture, University ofNorth Sumatra and field observations such as slope, erosion factors, soil depth, drainage, gravel /rock and inundation / flood hazard. The results showed that areas Sihiong, Sinar Sabungan andLumban Lobu has actual land capability class is the same class III (es), Class III is in which landcan be used for the production of crops and forests, (es) an limiting factor on erosion and the depthof the root zone or soil (solum). So the capability class of potential land become III (s), which (s) isa limiting factor on the rooting area only.Keywords: evaluation of land capability, survey, BPS Tobasa

KAJIAN SIFAT KIMIA TANAH SAWAH DENGAN POLA PERTANAMAN PADI SEMANGKA DI DESA AIR HITAM KECAMATAN LIMA PULUH KABUPATEN BATUBARA Junita N Palembang; Jamilah Jamilah; Sarifuddin Sarifuddin
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Rice and Watermelon cropping pattern has been always applied at Air Hitam Village, Lima PuluhSubdistrict, Batu Bara District. The selected cropping pattern was choosed because of rice productiondid not increase in rice and rice cropping pattern, and it will be expected that rice and watermeloncropping pattern will increase the farmer income. The difference in cropping pattern and supply oforganic matter changes in soil properties of fields. The objective of this study was to know the changesin some chemical properties of paddy soil at Air Hitam Village, Lima Puluh Subdistrict, Batu BaraDistrict which is lacated at about 18 m above sea level (asl). Parameters measured were pH usingElectrometric method, organic carbon by using Walkley and Black method, available phosphorus byusing Bray II method, exchangeable potassium NH4OAc with method, total-N by using Kjeldahl methodand available SiO2 by using ammonium acetate extraction. The results of this study showed that rice andwatermelon cropping pattern didn’t affect the paddy soil chemical properties including pH, organiccarbon, total-N, available phosphorus, and exchangeable potassium, except soil available SiO2, is higherat rice and watermelon cropping pattern compared to that rice-rice cropping pattern.Key words : cropping system, soil chemical properties.

RESPONS PERTUMBUHAN DAN PRODUKSI TIGA VARIETAS SORGUM (Sorghum bicolor (L.) Moench) DENGAN PERBEDAAN SISTEM PENGOLAHAN TANAH Leonard Septian Munthe1*, Leonard Septian Munthe1*, Leonard Septian Munthe1*,; T. Irmansyah T. Irmansyah; Chairani Hanum
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Growth and Yield Response of Three Sorghum Varieties (Sorghum bicolor (L.) Moench) onDifferent Soil Tillage. The aim of this research was to compare growth and yield of three varieties ofsorghum on different soil tillage. It was conducted at Pasar 1, Tanjung Sari, Medan about 25 mabove sea level on June to October 2012 by using Split Plot Design with two factors. The first factorwas sorghum variety (Sangkur, Kawali, Numbu) and the second one were different soil tillage (notillage, once tillage, twice tillage). The research land had sandy loam soil texture. The results ofresearch showed that growth and yield of Sangkur, Kawali, and Numbu weren’t effected by soiltillage treatment but without tillage treatment showed the best result. Numbu had better result onshoot dry weight (59.29%), biomass weight (59.37%), root volume (64.83%), yield per sample(59.42%), and 1000 grains weight (56.83%) compared with other varieties. The interaction betweensorghum variety and different soil tillage had no significantly effect on growth and yield of sorghum.Key words : Sorghum, variety, soil tillage, growth, yield

RESPON PERTUMBUHAN JAHE MERAH (Zingiber officinale Rosc.) TERHADAP PEMBERIAN NAUNGAN DAN BEBERAPA TEKNIK BERTANAM Lili Wahyuni; Asil Barus; Syukri Syukri
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

This study aims to determine the growth response of ginger (Zingiber officinale Rosc.) On the provision ofshade and some farming techniques. Implemented in the district land Labuhan Deli, Deli Serdang regency inOctober 2011 until March 2012. The study uses a separate plot design (RPT) is played with 2 main plotconsisting of shade and without shade. Sub plot consists of 3 level ie beds, baskets and polybag. The resultsshowed that shade significantly affect plant height MAP (Moon after plant) aged 3 and 4 MAP, number oftillers and number of leaves MAP ages 2 and 4, the distance between the tiller and rhizome wet weight / plantage 4 MAP. Farming techniques significantly affect plant height MAP aged 3 and 4, the number of tillers andnumber of leaves aged 2, 3 and 4 MAP, the distance between two MAP tiller, rhizome weight per plant age 4MAP. Interaction of shade treatment and farming techniques significantly affect the number of chicks aged 3and 4 MAP, number of leaves 2 and 3 MAP, and weight per plant ginger rhizome age 4 MAP. But did notsignificantly affect the number of puppies aged 2 MAP, the number of leaf age 4 MAP, distance anatar tiller 2,3 and 4 MAP and MAP age 4 diameter rods.Key words : ginger, shade, planting techniques

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