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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 59 Documents

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Search results for , issue "Vol 1, No 4 (2013)" : 59 Documents clear

RESPONS BEBERAPA VARIETAS KEDELAI (Glycine max L.) TERHADAP PEMBERIAN PUPUK GUANO Sandi Gumilar; Jonis Ginting; Sanggam Silitonga
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Soybean production is influenced by the variety and nutrients available in the soiland plant roots can absorb. This research means to test the response of severalvarieties of soybean (Glycine max L.Merill) for guano fertilizer. Location of theresearch was conducted in the Tanjung Selamat village, Deli Serdang regency,using a randomized block design of two factors they are varieties (Anjasmoro,Burangrang and Argomulyo ) and guano doses (250, 300, 350, 400 and 450kg/ha). The parameters observed were plant height, branch number produtive,number of pods per sample, the number of filled pods per sample,number ofempty pods per sample, weight of dry seed per sample, weight of dry seed perplot, weight of 100. The results showed that varietie significantly influenced toplant height, branch number produtive, number of pods per sample, the number offilled pods per sample,number of empty pods per sample, weight of dry seed persample, weight of dry seed per plot, weight of 100. Varieties and fertilizertreatment interaction effect was not apparent guano on all parameters.Key word : soybean, variety, guano

RESPONS PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) TERHADAP PEMBERIAN ABU JANJANG KELAPA SAWIT DAN PUPUK UREA PADA MEDIA PEMBIBITAN Sarah Vitrya Sidabutar; Balonggu Siagian; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The Response of Cocoa Seedlings Growth (Theobroma cacao L.) for Giving Palm Bunch Ash andUrea Fertilizer in The Media of Nursery. The research was conducted in the field UPT BBI,Tanjung Selamat at an altitude ± 57 meters above sea level since May 2012 until August 2012 usingRandomized Block Design (RBD) factorial with two factors. The first factor is palm bunch( 0, 10, 20, and 30 g/polybag). The second factor is urea fertilizer (0, 3, 6, and 9 g/polybag).The Parameter observed includes plant hight (cm), number leafs (sheet), and fresh weight ofcrown (g.) The result of reseach showed that giving palm bunch ash influential not significantly toall parameters. Urea fertilizer influential significantly on plant height and number of leafs.Interaction between giving palm bunch ash and urea fertilizer influential not significantly to allparameters.Key Words : Palm bunch ash, urea fertilizer, cocoa, nursery

PENGARUH PERANGKAP WARNA BERPEREKAT TERHADAP HAMA CAPSIDE (Cyrtopeltis tenuis Reut) (Hemiptera : Miridae) PADA TANAMAN TEMBAKAU (Nicotiana tabacum L.) Stevi Windy Sihombing; Yuswani Pangestiningsih; Mena Uly Tarigan
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The influence of adhesive colored trap on capside pest (Cyrtopeltis tenuis Reut.)(Hemiptera:Miridae) in tobacco plant (Nicotiana tabacum L.). The is research was to find out theeffectiveness of the adhesive colored trap on capside pest (Cyrtopeltis tenuis Reut.)(Hemiptera:Miridae) in tobacco plant (Nicotiana tabacum L.) in the field. The purpose of this studyconducted at Kelambir V Helvetia Estate of PTPN II from May to June 2012. The methods used inthis study were Non-Factorial Group Randomized Design (RAK) with 7 treatment, and 3replications: W0 (controlled/ transparent), W1 (green colored traps), W2 (light red colored Trap), W3(white colored traps) W4 (yellow colored traps) W5 (blue colored Traps), W6 (red colored traps). Theresult of this study showed that the highest pest population caught by yellow colored trap was 53.00and the lowest pest population was 33.33 which were caught by light red colored trap. The lowestattact intencity percentage was 28.53% found in the yellow colored trap, and the highest was34.86% found in the blue colored trap.Keywords: Cyrtopeltis tenuis Reut, Colored Trap, Nicotiana tabacum L.

RESPON PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS TANAMAN JAGUNG (Zea mays L.) TERHADAP PEMBERIAN PUPUK N DAN P Sehat Bahrin Padang; Mbue Kata Bangun; Lollie Agustina P Putri
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Sehat Bahrin Padang : The Growth and Production Response of Some Maize VarietiesThrough by N and P Application. Supervised by Ir. Mbue Kata Bangun, MP andDr. Ir. Lollie Agustina P. Putri, M.Si. The use of Central Composite Rotatable Design (CCRD) wasto determine the response surface produce at maize not yet a lot of checked, for that a research hadbeen conducted in UPT BBI Tanjung Selamat, Regency of Deli Serdang, Province of NorthSumatra at ± 25 m above sea level, in May 2012 - August 2012 using randomized block design oftwo factors, the factors are varieties (Bisma and SHS-4) and NP fertilize (NP dose prescribed ofCCRD). Parameters measured were: plant height, the number of leaf, the number of leaf above cob,flowering age, harvesting age, cob lenght, cob diameter, wight 100 seeds, production of dry seeds.The results showed that the varieties significantly different in maize height, the number of leafs,flowering age, wight 100 seeds and dry seeds production. Fertilize sigificantly affects flowering ageand harvesting age. Interaction factor significantly affects flowering age and the number of leafabove cob.Keyword : maize, N and P fertilizer, varieties

KARAKTER VEGETATIF DAN GENERATIF BEBERAPA VARIETAS PADI SENSITIF ALUMINIUM Siti Hartati Yusida Saragih; Eva Sartini Bayu; Mbue Kata Bangun
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Vegetative and Generative Characters of Aluminium Sensitive Rice Varieties. Aluminium (Al)tolerant mechanism in rice has not been fully understood. The objective of this research was tostudy the vegetative and generative characters of Al sensitive rice varieties. Five days old of riceseedlings were growned on minimum culture solution containing 15 ppm of Al for 72 hours andthen transferred to non Al-treated culture solution for 48 hours. The selected seedlings wasmeasured based on RRG value. RRG value was determined based on after Al-stress. This researchwas held at Greenhouse in Faculty of Agriculture, University of North Sumatera Utara, Medan,from May until October 2012, using latin square Design with treatment that was rice varieties:Inpari 3, Inpari 4, Inpari 10, Inpari 12 and Inpari 13. Data analysis showed that varieties with Altreatedwere significantly different the vegetative stage, the flower initation, the time of harvestingand the generative stage time. Varieties were not significantly different the plant height, the numberof tillers, the number of productive tiller, the panicle length, the flag leaf length, the number ofpanicle branches, the number of empty grain per panicle, the grain weight per panicle and the 1000grain weight.Keywords : Varieties, Al Sensitive, Root Re-Growth, Vegetative Characters, Generative Characters

PENGARUH PERANGKAP WARNA BERPEREKAT DAN AROMA REMPAH UNTUK MENGENDALIKAN HAMA GUDANG Lasioderma serricorne F. (Coleoptera: Anobiidae) DI GUDANG TEMBAKAU Siti Rahayu Siti Rahayu; Maryani Cyccu Tobing; Yuswani Pangestiningsih
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

PENGARUH PERANGKAP WARNA BERPEREKAT DAN AROMA REMPAH UNTUKMENGENDALIKAN HAMA GUDANG Lasioderma serricorne F. (Coleoptera: Anobiidae)DI GUDANG TEMBAKAU

KAJIAN SIFAT KIMIA TANAH, PERTUMBUHAN DAN PRODUKSI PADI PADA TANAH SULFAT MASAM POTENSIAL AKIBAT PEMBERIAN KOMPOS TANDAN KOSONG KELAPA SAWIT DAN PUPUK SP-36 Sri Wahyuni Tambunan; Fauzi Fauzi; Marpaung Purba
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The objective of this research is to study the effect of empty palm oil bunch compost (EPOBC) andthe application of phosphorus fertilizer of SP-36 on chemical characteristic of acid sulphate soils,rice growth and production (Oryza sativa L.). This study used a randomized block design factorial,with 2 factors: factor 1: compost EPOBC treatment (B) which consist of: B0 = 0 ton ha-1 (0g EPOBC/pot) ; B1 = 10 ton ha-1 (40 g EPOBC/pot); B2 = 20 ton ha-1 (80 g EPOBC/pot);B3 = 30 ton ha-1 (120 g EPOBC/pot) . Factor 2: fertilizer phosphorus (P) which consist of : P0 = 0kg SP-36 ha-1 (0 g SP-36/pot); P1 = ½ dose (1/2 x 135), advice equal with 0,27 g SP-36/pot; P2 = 1,0dose (1 x 135), advice equal with 0,54 g SP-36/pot; P3 = 1 ½ dose (1 1/2 x 135), advice equal with0,81 g SP-36/pot. The results of this research showed that EPOBC treatment significantly affectedsoil pH and Fe2+ reduction, C-organic, seed total and dry weight of rice. While the application ofSP-36 fertilizer non significantly affected P-available and height of plants. Combination betweenEPOBC and fertilizer SP-36 significantly increased seed total and dry weight of rice.Key words: acid sulphate soil, EPOBC, SP-36,rice

UJI EFIKASI AGENS HAYATI TERHADAP PENYAKIT HAWAR DAUN BAKTERI (Xanthomonas oryzae pv. oryzae) PADA BEBERAPA VARIETAS PADI SAWAH (Oryza sativa) Syahrial Damanik; Mukhtar Iskandar Pinem; Yuswani Pengestiningsih
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Syahrial Damanik, Biological agents efficacy test to blight leaf disease Xanthomonas oryzae pv.oryzae on some rice varieties (Oryza sativa). The aim of this research was to find suitablebiological agens to inhibit attack from blight leaf disease and also to discover most resistentvarieties to wants Leaf Blight Disease.This research was conducted using randomized completelydesign (RCD) factorial consisting of two treatment factors and three replications. The first factornamely T0, T1, T2 (Control, Pseudomonas fluorescens, Trichoderma sp with Pseudomonasfluorescens) the second factor’s variety V1, V2, V3 (Inpari 13, Mekongga, Ciherang).The result showed that on Biological agents treatment, the lowest disease intensity occured atTrichoderma sp with Pseudomonas fluorescens of 4.74 % and highest intensity disease occured atControl for 23.14 %. Varieties treatment had the lowest disease intensity in Ciherang for 7.79 %and highest disease intensity in Inpari 13 for 19.06 %. Interaction between biological agents andvarieties had the lowest disease intensity in Trichoderma sp with P. fluorescens and Inpari 13 for3.77 % and highest in Control and Mekongga for 33.97 %. The highest production in biologicalagents treatment occured in Trichoderma sp with P. fluorescens for 7.46 tons/ha and the lowest inControl for 3.63 tons/ha. The highest production on varieties treatment occured in Ciherang for 6.40tons/ha and the lowest in Inpari 13 for 4.98 tons/ha.Keywords : biological agents, varieties, Xanthomonas oryzae pv. oryzae, rice.

TANGGAP PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS KEDELAI (Glycine max L.) TERHADAP PERBANDINGAN KOMPOSISI PUPUK Teguh Satwiko; Ratna Rosanty Lahay; B. Sengli J. Damanik
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The use of organic fertilizer is needed to replace the role of chemical fertilizers, preserving theenvironment and for sustainable agriculture. The study was conducted in Tanjung Sari, KecamatanMedan Selayang. The research used a Randomized Block Design with two factors. The first factoris varieties (Argomulyo, Burangrang and Anjasmoro). The second factor is the ratio of chemicalfertilizers and vermicompost, which include : chemical fertilizer 0% + vermicompost 100%,chemical fertilizer 25% + vermicompost 75%, chemical fertilizer 50% + vermicompost 50%,chemical fertilizer 25% + vermicompost 75%, and chemical 100% + vermicompost 0%. The resultshowed that Varieties significantly affected the parameters amount of produtive branch, weight ofdry plant, weight of dry root, the number of pods per plant, the number of filled pods per plant,weight of dry seed per sample,and weight of 100 seeds. Varieties did not significantly affect theparameters weight of dry seed per plot. The composition ratio of fertilizers significantly affectedthe parameters weight of dry root, weight of dry seed per sample,and weight of 100 seeds. Inaddition, the ratio of chemical fertilizers and vermicompost did not significantly affect theparameters amount of produtive branch, weight of dry plant, the number of pods per plant, thenumber of filled pods per plant,and weight of dry seed per plot. The interaction between varietiesand the ratio of chemical fertilizers and vermicompost did not significantly affected for allparameters.Key words : varieties, chemical fertilizers, vermicompost, soybeanABSTRAK

KARAKTER VEGETATIF DAN GENERATIF BEBERAPA VARIETAS PADI (oryza sativa L.) TOLERAN ALUMINIUM Wiwik Maya Sari; Eva Sartini Bayu; Syafrudin Ilyas Syafrudin Ilyas
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Aluminium (Al) tolerant mechanism in rice has not been fully understood. The objective of thisresearch was to find the tolerant rice aluminum, and to study the vegetative and generativecharacters of Aluminum stress. Five days old of rice seedlings were growned on minimum culturesolution containing 15 ppm of Al for 72 hours and then transferred to non Al-treated culturesolution for 48 hours. The selected seedlings were measured based on Root Re-Growth (RRG)value. RRG value was determined based on after Al-stress. This research was held in theGreenhouse at Faculty of Agriculture, University of North Sumatera Utara, Medan, from May untilOctober 2012, using latin square design with treatment that were rice varieties: Hawarabunar,Ciherang, Inpari 1, Mekongga, Cibogo dan Cigelis. From the observations of RRG value obtainedthere were three tolerant rice varieties that were Hawarabunar, Ciherang and Mekongga, and threesensitive rice varieties that were Inpari 1, Cibogo dan Cigelis.Data analysis showed that varietieswith Al-treated were significantly different the plant height, the number of tillers, the vegetativestage, the number of productive tiller, the flower initation, the panicle length, the flag leaf length,the time of harvesting and the 1000 grain weight. Varieties were not significantly different thegenerative stage time, the number of empty grain per panicle, the number of panicle branches, andgrain weight per panicle.Keywords : rice, Al tolerant, Root Re-Growth

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