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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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PENGARUH BEBERAPA JENIS PESTISIDA NABATI UNTUK MENGENDALIKAN ULAT GRAYAK Spodoptera litura F. (Lepidoptera: Noctuidae) PADA TANAMAN TEMBAKAU DELI DI LAPANGAN Resfin Butarbutar; Maryani Cyccu Tobing; Mena Uly Tarigan
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The influence of some botanical pesticides for handling grayak caterpillarSpodoptera litura F.(Lepidoptera: Noctuidae) on Deli tobacco. Grayak caterpillar (a kind ofcutworm) is one of an important pest in Deli Tobacco plant which can reduce production. Thepurpose of the research was to know the effectiveness of gadung storage root, babadotan, and castoroil stones with correct dosage in handling grayak caterpillar (S. litura) on Deli tobacco plants. Theresearch was conducted at Institute of Deli Tobacco PTPN II Sampali Medan, from November,2011 until January, 2012. The research used Randomized Block Design (RBD) design of non-factorwhich comprised ten treatments with three control repetitions: the solution of castor oil stones (40,80, and 120 g/l of water), the solution of babadotan (40, 80, and 120 g/l of water), and the solutionof gadung storage root (40, 80, and 120 g/l of water). The result of the research showed that thetreatment of the solution of gadung storage root with the dosage of 120g/l of water was the mosteffective with the lowest percentage of damage intencity (30.00%), the highest percentage of larvamortality (88.33%), and the highest percentage of plant production (11.22g/plot). The ineffectivetreatment was the control treatment with the highest percentage of damage intencity (49.00%), thelowest percentage of larva mortality (1.79%), and the lowest percentage of plant production(4.53g/plot).Keywords: Deli tobacco, botanical pesticides, Spodoptera litura

UJI KETAHANAN BEBERAPA VARIETAS DAN PENGARUH JARAK TANAM TERHADAP PENYAKIT KARAT DAUN (Puccinia polysora Underw) PADA TANAMAN JAGUNG (Zea mays L.) DI DATARAN RENDAH Sukma Aditya; Hasanuddi Hasanuddi; Mukhtar Iskandar Pinem
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Test of resistance of some varieties and the influence of planting distance on leaf rust(Puccinia polysora Underw.) on lowland. The aim of the research was to know the resistance ofsome varieties of corn (Zea mays L.) and the influence of planting distance on leaf rust(Puccinia polysora) on lowland. The research was conducted at Tanjung Selamat village, Medan.The research used Cluster Random Design of 2 factorials with 9 treatments and 3 repetitions. Theresults of the research showed that the varieties of BISI 13 were resistant to leaf rust of corn. Theoptimal treatment of planting distance for the attack of corn leaf rust was 70 x 25 centimeters. Theappropriate treatment of varieties and planting distance for the corn leaf rust attack was on V3J3treatment (BISI 13 with the planting distance of 70 x 25 centimeters). The highest corn productionof the varieties of BISI 13 was 6.3 tons/ha. The highest corn production of the planting distancetreatment of 70 x 25 centimeters was 5.58 tons/ha. The highest corn production in the interactiontreatment of BISI 13 with the planting distance of 70 x 25 centimeters was 7.54 tons/ha.Keywords: varieties of corn, planting distance, P. polysora, leaf rust, resistant varieties

UJI EFEKTIFITAS BEBERAPA ENTOMOPATOGEN PADA IMAGO PENGGEREK BUAH KAKAO Conopomorpha cramerella Snellen (Lepidoptera: Gracillariidae) Di LABORATORIUM Yusuf Sugianto; Yuswani Pangestiningsih; Syahrial Oemry
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The effectivity of some entomopathogenic imago cocoa fruit borerConopomorpha cramerella Snellen (Lepidoptera: Gracillariidae) in the Laboratory. Theobjective of this research was to evaluate the effectifity of entomophatogen (B. bassiana,M. anisopliae and P. fumosoroseus) with different concentration level. The experiment wasconducted at the Laboratory Plant Pests, Faculty of Agriculture, University of Sumatra utara,Medan. From August to October 2012, using a completely randomized design (RAL) nonfactorial of 7 treatments and 3 replications. The treatments were L0 (control),L1 (M. anisopliae 40gr/1l), L2 (M. anisopliae 50gr/1l), L3 (B. bassiana 40gr/1l),L4 (B. bassiana 50gr/1l), L5 (P. fumosoroseus 40gr/1l), and L6 (P. fumosoroseus 50gr/1l).The results showed that 50gr/1l M. anisopliae is effective to control imago C. cramerella(100%), followed by treatments B. bassiana 50gr/1l, M. anisopliae 40gr/1l, andP. fumosoroseus 50gr/1l, the high number of imago C. cramerella overgrownentomopathogenic fungus colony found in 50gr/1l M. anisopliae (60%), followed bytreatments of P. fumosoroseus 50gr/1l, M. anisopliae 40gr/1l, B. bassiana 50gr/1l,B. bassiana 40gr/1l, while P. fumosoroseus 40gr/1l is less effective, and the behavior of deathimago C. cramerella entomopathogenic fungus infected seen with characteristic imago beinglazy move, the longer the body becoming limp and dead, and that eventually hardenedmycelium covered by different colors namely M. anisopliae has green colour, B. bassiana haswhite colour, P. fumosoroseus has yellowish white colour.Keywords : entomopathogenic, cocoa, Conopomorpha cramerella

EVALUASI KESESUAIAN LAHAN PADA TANAH ENTISOL DI KECAMATAN LINTONG NIHUTA KABUPATEN HUMBANG HASUNDUTAN UNTUK TANAMAN KOPI ARABIKA (Coffea arabica) Agnes Helen R. Purba; Posma Marbun; Asmarlaili Sahar Hanafiah
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe purpose of the study was to find out the land suitability classes in Lintong Nihuta regency ofHumbang Hasundutan for coffee (Coffea arabica). 5 SPT (set of land) is determined by pursuant tomap of land, ground type, map of inclination of slope and map of place height yielded fromtopography map with the scale 1 : 50000, is later conducted by overlay. Assessment of landsuitability pursuant to staff criterion center the research of land of Bogor year 1983 with the limitmethod of pursuant to Djaenuddin et al. 2003. The result of analysis showed the unity of all thesample has appropriate class of land potential at SPT (set of land) 1, 2, and 4 is N (rc), class ofland potential at SPT (set of land) 3 and 5 is S3(wa,rc).

PENGARUH AIR LAUT, ZEOLIT, DAN PASIR VULKAN TERHADAP STATUS HARA PADA TANAH GAMBUT SERTA PERTUMBUHAN DAN PRODUKSI PADI SAWAH Ahmad Taufik Lubis; Zulkifli Nasution; Sarifuddin Sarifuddin
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe objective of this research is to improve the chemical properties of peat soil for increasing riceproductivity. The research using factorial randomized block design with 2 factors and 3 replications,consist of a) sea water, and b) mineral materials (zeolite and volcanic material). Mineral materials(M) consist of without mineral materials (M0), 2% zeolite mineral soil samples (200 gram/pot)(M1), volcanic material as much as 10% (1000 gram/pot) (M2), and mixture of zeolite minerals andvolcanic material (M3). Sea water like without sea water (0%) (A0), 25%v/v consentration of seawater (A25), 50% v/v consentration of sea water (A50), and 75%v/v consentration of sea water (A75).The results showed that the application of mineral zeolite and volcanic material significantlyincreased soil pH concentration, P- available, bulk density, dry weight of the canopy and root dryweight. Sea wate significantly decreased pH, cation exchange capacity, shoot and root dry weight,increasing electrical conductivity, base saturation but increasing P- available not significantly onempty grain and weight of 1000 grains.Keywords : sea water, zeolite, volcanic material, peat soil, and paddy

PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum .L) TERHADAP PEMBERIAN KOMPOS KULIT KOPI DAN PUPUK ORGANIK CAIR Andi Sahputra; Asil Barus; Rosita Sipayung
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSRACTShallot is one of the superior spice plants.Nowday, cultivation of shallot is directed for using inputfrom organic matter. Coffea peel compost and liquid organic fertilizer are potential nutrient sourceto use in organic cultivation of shallot. The growth and production of shallot by giving coffee barkcompost and liquid organic fertilizer. This research was proposed to find out effect of growth andproductions respons of shallot as coffee bark compost and liquid organic fertilizer. The researchstarted from october to december 2011. The design use randomized block design factorial with 2aspect. The first aspect is compost bark coffee consist of four stages those were K0 ( 0 g/plant ), K1( 30 g/plant ), K2 ( 60 g/plant ), ( 90 g/plant ). The second factor is liquid organic fertilizer consistfour stages those are P0 ( 0 ml/l water ), P1 ( 3 ml/l water ), P2 ( 6 ml/ l water ), P3 ( 9 ml/l water ).Coffee bark compost given ferform real effect to number of leave per clumb 6 MST, diameter ofbulk and production per plot but not gave any influenced to high of plant, leaves number per sample2 – 5 MST, number bulbs per sample, wet weight per sample and dry weight per sample. Liquidorganic fertilizer given ferform real effect to high of plant per sample 3 – 6 MST, leaves number persample 5 and 6 MST, diameter of bulk per sample and production per plot, but not gave anyinfluenced to high plant 2 MST, leave number per clump 2 – 4 MST, number bulbs per sample, wetweight per sample and dry weight of bulb per sample. The intraction between both aspectinfluenced on diameter of bulb.Key words : coffee bark compost, liquit organic fertilizer, shallot, growth and productions

PERBANYAKAN Corcyra cephalonica Stainton (Lepidoptera : Pyralidae) PADA BERBAGAI KOMPOSISI MEDIA Aprilidia R Rajagukguk; Maryani Cyccu Tobing; Yuswani Pangestiningsih
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTMass rearing of Corcyra cephalonica Stainton (Lepidoptera : Pyralidae) in Several Media. Thestored pest C. cephalonica is one of alternative host Trichogramma spp. This research was to studyto find the best feed for mass rearing C. cephalonica as an alternative host Trichogramma spp. Thisresearch was carried out at Central Research and Development of Sugarcane Crop Sei SemayangPTPN II Medan since July-September 2012. The method of used Randomized Complete Designwhich consists 22 treatments and two replication. The results showed that the combination of ricebran and mill maize is the best treatment. The day early that the adult emerge fastest in media ricebran and mill maize with comparison 1:2 is 32.5 days after application and the lowest in mediamaize bran and chicken feed with comparison 1:1, 1:2, 2:1 is 48 days after aplication.The highest number of imago in media rice bran and mill maize with comparison 1:2 is338.5 adults and the lowest in media mill maize and chicken feed is 68.5 adults. The sex ratioof male and female is 1:1Keywords: Media, Corcyra cephalonica, mass rearing

PENGARUH PERTUMBUHAN VEGETATIF BEBERAPA VARIETAS KEDELAI HITAM DENGAN PEMBERIAN VERMIKOMPOS PADA TANAH MASAM Chandri Lidya Putri Nasution; Luthfi Aziz Mahmud Siregar; Syafruddin Ilyas
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe effect of Vegetative Growth on some Varieties of Black Soybeans with The Provision ofVermicompost on Acid Soils.Insufficient Black soybeans productiondomestic demand is a problemthat faced today. The addition of organic matter and using acid soils is one way that can be done toincrease the production of black soybean.The objective of the research was to know the effect ofvegetativegrowth on some varieties of black soybeans (Glycine max (L.) Merrill) with the provisionof vermicompost on acid soils. The experiment was conducted in the Public Land, Pasar I, TanjungSari, Medan, with altitude ± 25 meters above sea level from July to October 2012.Using a factorialrandomized block design with the first factor application of vermicompost (0, 0.8, 1.6 and 2.4kg/m²) and the second varieties (Detam-1, Detam-2, Cikuray, Merapi, Malikka) with threereplications. The result showed that the application of vermicompost insignificanly affected to all ofparametric in the research. The variety significantly affected the plant height at 2, 3, and 5 MST,andthe number of branches on the main stem. The combine between application of vermicompost andsoybean varieties were insignificanly to all of parametric in the research.Key word : soybean, acid soils, vermicompost, varieties

PENGARUH KONSENTRASI DAN FREKUENSI APLIKASI ETEPHON TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN MENTIMUN (Cucumis sativus L.) Cici Octavia Sidauruk; Jasmani Ginting; Justin Napitupulu Napitupulu
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe effect of Concentration and Frequency of Etephon Aplication on Growth and Production ofcucumber (Cucumis sativus L.). Cucumber in Indonesia is popular and likely vegetable for all ofsociety. Cucumber productivity (ton/ha) in Indonesia from 2007 to 2011 were decrease from 81.2 to527.1 this was due to less intensive and efficiency in cucumber culture one of the alternative that couldbe done was application etephon of plant growth regulator. The aim of this research was to know theeffects of concentration and frequency of etephon application on growth and production of cucumber,this study was done in faculty of agriculture net house medan (± 25 in above sea level) from Januari –maret 2013. The design used was Randomised Block Design with 2 factors, etephon concentration (0.150, 300 dan 450 ppm) and the frequency of application (1x, 2x and 3x times). The parameterscolected were plant length, number of leaves formed, number of lived leaves, number of femaleflowers, number of female flowers aborted, number of male flowers, ratio of flowers, number of fruitper plant and total weight perplant. From the research, concentration affect significantly on plantlength (4-8 weeks after planting), number of female flowers (39 and 51 days after planting), number offemale flowers aborted (42 and 60 days after planting), number all of male flowers, ratio of flowers (48days after planting). Frequency aplication of etephon affect significantly plant length (6-7 weeks afterplanting). Interaction affect significantly on flowers ratio (48 days after planting ).Keywords : cucumber, concentration , and frequency Etephon.

SURVEI DAN PEMETAAN STATUS HARA TEMBAGA DAN BORON PERKEBUNAN KELAPA SAWIT RAKYAT HUTABAYU RAJA Daniel Stepanus; Supriadi Supriadi; Sarifuddin Sarifuddin
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe purpose of this study is to know the status of copper (Cu) and Boron (B)at People Palam OilPalm Plantation at Hutabayu Raja Subdistrict, Simalungun District. The result of this study showedthat the status of the two micronutrients are :copper deficient area is about 22.7% (71 Ha) andadequate soil contains Cu is about 77.3% (239 Ha) and the soil content of B is deficient within theresearch are.

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