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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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PERTUMBUHAN DAN HASIL TIGA KLON UBI JALAR PADA JARAK TANAM YANG BERBEDA Wikka Sasvita; Chairani Hanum Chairani Hanum; Edison Purba
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Potensi ubi jalar di Kota Binjai cukup tinggi dapat dilihat dari segi ekonomi maupun sosial budaya.Pemilihan klon ubi merupakan alternatif peningkatan produksi dan mutu ubi jalar di Kota Binjai.Produksi yang tinggi dari ubi jalar tergantung pada bagaimana meningkatan potensi ubi jalar danmetode kultur teknik. Jarak tanam dan variasi klon adalah salah satu alternatif untuk meningkatakanproduksi yang tinggi. Penelitian dilakukan untuk membandingkan pertumbuhan dan hasil tiga klonubi jalar pada jarak tanam yang berbeda di Kelurahan Cengkeh Turi, Binjai (+ 25 mdpl) dari bulanMei - Agustus 2012 menggunakan rancangan acak faktorial 2 faktor. Faktor pertama yaitu klon yangterdiri dari Daya, A82 dan Jago, faktor kedua adalah jarak tanam terdiri dari: 5x100; 15x100;25x100; 35x100 dan 45x100 cm. Hasil penelitian menunjukkan bahwa klon Daya menghasilkanbobot umbi terbesar pada jarak tanam 45 x 100 cm, klon A82 pada jarak tanam 35 x 100 cm,sedangkan klon Jago pada jarak tanam 25 x 100 cm. Jumlah umbi terbesar terdapat pada klon Dayadengan perlakuan jarak tanam 25 x 100 cm. Bobot rata-rata satu umbi per tanaman, bobot rata-ratasatu umbi per plot, panjang umbi per sampel dan lilit umbi per sampel tertinggi terdapat pada jaraktanam 45 x 100 cm.Kata kunci : ubi jalar, klon, jarak tanam.

RESPONS PERTUMBUHAN DAN PRODUKSI BIOMASSA TANAMAN OBAT PEGAGAN (Centella asiatica (L.)Urb.) DENGAN PEMBERIAN FOSFOR DAN METIL JASMONAT. Windy WS Manullang; J. A. Napitupulu J. A. Napitupulu; Mariati Mariati; Noverita SV Noverita SV
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Response of Growth and Biomass Production of Medicinal Plants Centella (Centella asiatica (L.)Urb.) Phosphorus And Methyl jasmonate aplication. The aims of this study is determine theresponse of growth and biomass production of medicine plants Centella to aplications Phosphorusand Methyl jasmonate. For this purpose, field experiment had been done in January to June 2012 atdesa Syahmad Lubuk Pakam by using Randomized Block Design for growth variable whichphosphor application as single factor with 9 blocks and for component of biomass productionvariable used by Split Plot Design with factors, they are jasmonate rate (0;100;200 μM) andphosphor application as the sub plot (0,18,36,54 kg P2O5/ha). The growth and production charactersobserved were number of primary shoots, number of stolon, fresh and dry weight per sampel andfresh and dry weight per plot. The results showed that all characters were not significantly effectedby phosphorus and methyl jasmonate, significant interaction for both treatsments only at 11 weeksafter sawing for stolon numbers and the highest was found in combination of 100 μM jasmonateand without phsophorus.Keywords: centella asiatica, methyl jasmonate, phosphorus

PERANAN MIKORIZA TERHADAP PERTUMBUHAN, SERAPAN P DAN Cd TANAMAN SAWI (Brassica juncea L.) SERTA KADAR P DAN Cd ANDISOL YANG DIBERI PUPUK FOSFAT ALAM Yuli Sagala; Asmarlaili sahar Hanafiah; Razali Razali
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

This study aimed to determine the role of Mycorrhizae on plant Cd uptake P and mustard(Brasicca juncea L.) as well as the availability of P and Cd in fed Andisol phosphate fertilizer. Theresearch was conducted in the Greenhouse, Soil Biology Laboratory, and the Laboratory ofResearch and Technology Faculty of Agriculture, University of North Sumatra, Medan, in July2012-March 2013. This study uses a randomized block design (RBD) Factorial. The first treatmentwas a factor with two levels of mycorrhizal inoculum M0 (0g) and M1 (20g), the second factor isthe treatment of phosphate fertilizer (SP-36) with 4 dose levels, P0 (0g), P1 (0.97g), P2 (1.94g ),and P3 (3.88g) with 3 Deuteronomy thus obtained 2x4x3 = 24 experimental units. The parametersmeasured were the canopy dry weight, root dry weight, P uptake, mustard plant (Brasicca juncea L.)Cd uptake, the degree of mycorrhizal infection, levels availbility of P and Cd levels Andisol. Theresults showed that administration of Mycorrhizae increase the dry weight of the canopy, the degreeof infection of the roots, P uptake and plant-available soil P levels. Phosphate fertilizersincreased the dry weight of the plant canopy and P uptake, and tend to increase levels of P and Cdsoil and plant P uptake but not statistically.Keywords: andisol, phosphate fertilizer, and mycorrhizae.

UJI DAYA PREDASI Forficula sp. (Dermaptera : Forficulidae) dan Dolichoderus sp. (Hymenoptera : Formicidae) TERHADAP HAMA PERUSAK PUCUK KELAPA Brontispa Longissima Gestro (Coleoptera : Chrysomelidae) di LABORATORIUM Dona Monica Br Bangun; Syahrial Oemry; Mukhtar Iskandar Pinem
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

Coressponding author : E-mail : bangundona@ymail.comABSTRACTResearch on title the predation ability of Forficula sp. (Dermaptera : Forficulidae) andDolichoderus sp. (Hymenoptera : Formicidae) of Brontispa Longissima Gestro.(Coleoptera : Chrysomelidae) in laboratory aimed to study the predation ability of Forficula sp.and Dolichoderus sp. of Brontispa longissima Gestro (Coleoptera : Chrysomelidae) in Laboratory.The experiment design was randomized complete design with 8 treatments and 3 replications.The tested treatment were larvae and imago of B. longissima, 2 Forficula sp, 2 Dolichoderus sp,1 Forficula sp and 1 Dolichoderus sp on 10 larvaes/stoples and 2 Forficula sp, 2 Dolichoderus sp,1 Forficula sp and 1 Dolichoderus sp on 10 imagoes/stoples with. The result showed thatpercentage of mortality and the predators behavior. The results showed that the highest percentageof mortality on P1 (2 Forficula sp. on 10 larvaes/stoples) was 96.67% and the lowest onP01 (larvae control) was 0% and the result showed that Forficula sp. prey mechanism begins withthe introduction of active antenna movement then using forcep (cerci) captureBrontispa longissima Gestro and predator prey Dolichoderus sp. way starts with the runningapproaching pest predators and prey circling approach as the larvae begins to feed through the bodysurface.Keywords : predation, B. longissima Gestro, percentage mortality

RESPONS PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L.) TERHADAP PEMBERIAN VERMIKOMPOS DAN URINE KELINCI Anita Lydia Beta Simamora; Toga Simanungkalit; Jonis Ginting
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

ABSTRACTResponse in Growth and Yield of Shallot (Allium ascalonicum L.) on Giving Vermicompost andRabbit Urine. The use of chemical fertilizersis an alternative that is often selected farmers toincrease the production of shallot. Because of that giving of vermicompost and rabbit urine is expectedto replace the role of chemical fertilizers in increasing the growth and production of shallot. Thisresearch had been conducted at Farm Resident on street Pasar I number 89 Tanjung Sari, Medanfrom May until July 2013 using factorial randomized block design with two factor, i.e. dose ofvermicompost (0, 15, 30 and 45 g vermicompost/plant) and dose of rabbit urine (0, 125 and 250 cc/l).Parameter observed were plant height, tillers number per clump, leaves number per clump, clovenumber per sample, wet weight tuber per sample, wet weight tuber per plot, dry weight tuber persample, and dry weight tuber per plot. The result showed that vermicompost treatment not significantlyaffected all of parameter observed. Rabbit urine treatment increase plant height, tillers number perclump, clove number per sample, wet weight tuber per sample, wet weight tuber per plot, dry weighttuber per sample, and dry weight tuber per plot. The treatment interaction significantly effected onparameters tillers number per clump and clove number per sample. The best result were showed byvermicompost treatment 15 g/plant and rabbit urine treatment 250 cc/l.Keywords : Vermicompost, rabbit urine, shallot

RESPONS PEMBERIAN PUPUK ORGANIK CAIR DAN NPK PADA TANAMAN BIWA ( Eriobotrya japonica Lindl. ) DI MAIN NURSERY Mery Susana Tarigan; Asil Barus; Fatiani Manik
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

ABSTRACTResponse of Giving Liquid Organic Fertilizer and NPK At Biwa Plant (Eriobotrya japonica Lindl.) Inthe Main Nursery. Biwa plant nurseries face constraints in fertilizer recommendation. Thereforethrough liquid organic fertilizer and NPK plant is expected to boost growth in the nursery biwa.Research conducted at the Experiment Berastagi in March - June, 2013, using a factorial randomizedblock design with two factors: the concentration of organic manure (0, 5, 10 ml / L) and NPK fertilizerdoses (0, 5, 10 and 15 g / polybag ). The parameters measured were plant height, stem diameter, crownwidth, of the number of leaves, number of leaf chlorophyle and total leaf area. The results showed thatthe liquid fertilizer oganik significant effect on the amount of leaf chlorophyll but not significant effecton other parameters. NPK fertilizer significant effect on plant height, stem diameter, crown width, of thenumber of leaves, and total leaf area. Their interaction effect was not significant on all variablesobservations. The best results from this study were obtained in the treatment of liquid organic fertilizer10ml / L and 5 g of NPK fertilizer / polybag.Keywords: nursery, organic liquid fertilizer, NPK fertilizer, biwa.

TANGGAP PERTUMBUHAN VEGETATIF BIBIT KAKAO (Theobroma cacao L.) DENGAN PEMBERIAN VERMIKOMPOS DAN AIR PADA BERBAGAI KAPASITAS LAPANG Ichsan Destari Purba; Irsal Irsal; Jasmani jasmani
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

ABSTRACTResponse of cacao (Theobroma cacao L.) seedlings vegetative growth with the provision ofvermicompost and water at various field capacity. Research aim to know the response of cacaoseedlings vegetative growth with the provision of vermicompost and water at various field capacity.It was conducted at green house, Faculty of Agriculture USU’st about 25 m sea level on November2012 to February 2013 by using a randomized block design factorial with two factor that is the firstfactor were vermicompost (0%, 10%, 20% and 30% of media plant) and the second factor wereprovision of water at various field capacity (100%, 75%, 50% and 25%). The parameters observedwere seedling height, stem diameter, total of leaf area, seedling wet weight, seedling dry weight,root wet weight, root dry weight and water use efficiency. The result of research showed thatvermicompost significant to seedling height, stem diameter, total of leaf area, seedling wet weight,seedling dry weight, root wet weight, root dry weight and water use efficiency. And provision ofwater significant to seedling height, stem diameter, total of leaf area, seedling wet weight, root wetweight and water use efficiency. The interaction of vermicompost and water had not signifficantKey words : cacao, vermicompost, water

DAYA PREDASI Rhynocoris fuscipes F. (Hemiptera:Reduviidae) TERHADAP ULAT API Setothosea asigna E. (Lepidoptera:Limacodidae) DI LABORATORIUM Edi Kembaren; Darma Bakti; Lahmuddin Lubis
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

ABSTRACTThe Ability of Rhynocoris fuscipes F. (Hemiptera: Reduviidae) to nettle caterpillar Setothoseaasigna E. (lepidoptera: limacocidae) as a predator in the laboratory, it was under supervised byProf. Dr. Ir. Darma Bakti, MS. and Ir. Lahmuddin Lubis, MP. The research was to know the abilityof R. fuscipes to Setothosea asigna. The research was held at the Insect Laboratory, Faculty ofAgriculture, University of Sumatera Utara, Medan from April to Juni 2013. It was arranged byCompletely Randomized Design with 6 treatments and four replications, respectively. The total ofpredator againts nettle caterpillar Sethotosea asigna are: R0 (0:8),R1 (2♂:8 ), R2 ( 2♀:8 ) R3,(♂♀:8 ) ,R4 ( 2♂♀:8), R5 (3♂♀:8). The parameters which observed were the mortality persentageof S. asigna caused by predator R. fuscipes and how to consumed. The result showed that the mosteffective treatment is R5, R4, R3, R2, R1 and R0 at a stretch. The matter is shown from the fastest ofability kill of 8 S. asigna that tested is R5 (10 days) and followed by R4, R3, R2, R1, R0.Keywords : Rhynocoris fuscipes F. and Nettle caterpillar setothosea asigna E

PERBAIKAN SIFAT FISIK DAN KIMIA TANAH ULTISOL SIMALINGKAR B KECAMATAN PANCUR BATU DENGAN PEMBERIAN PUPUK ORGANIK SUPERNASA DAN ROCKPHOSPHIT SERTA PENGARUHNYA TERHADAP PRODUKSI TANAMAN JAGUNG (Zea mays L.) Evan Sanjaya Sipayung; Gantar Sitanggang; Muhammad M. B Damanik
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

ABSTRACTEvan Sanjaya Sipayung. Repair Soil Physical and Chemical Properties Ultisol Simalingkar BDistrict of Pancur Batu With Organic Fertilizer Provision SUPERNASA and Rockphospit AndIts Effect on Production of Corn(Zea mays L.) Guided By Gantar Sitanggang and M. M. B.Damanik.This study implemented in native land Ultisol Simalingkar Pancur Batu Subdistrict BDeli Serdang regency. This study aims to improve the physical and chemical properties of soilultisol Simalingkar B Deli Serdang regency and its influence on the production of maize (Zeamays L.) with the application SUPERNASA and rockphospit. These data were analyzed by usinga randomized block design (RBD) Factorial.The results showed that the organic fertilizerSUPERNASA can increase the corn production. The rock phosphate significantly increase BD,C-Organic, P-available of soil and corn production.Keywords: Ultisol, SUPERNASA solid organic fertilizer, rockphosphate, corn

UJI KEEFEKTIFAN PERENDAMAN BENIH DAN PEMBERIAN KOMPOS PANGKASAN MUCUNA TERHADAP PERTUMBUHAN Mucuna bracteata Mazidah Ulfa; Toga Simanungkalit; Irsal Irsal
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

ABSTRACTThe efectivity of soaking seed with compot residu of mucuna on growth Mucuna bracteata. Thisstudy aims to evaluate efectivity of soaking seed with compost residu of Mucuna on growthMucuna bracteata . The research was conducted at the Tumpatan Nibung, kecamatan batang kuis,kabupaten Deli Serdang. Using the randomized block design with two factors that isand compost residu of Mucuna (1:1, 1:2,1:3) with 3 replications. Observation variable is shoot capacity, growth percentation, number ofbranch, total leaf area, wet weight of the top stem, an dry weight of the top stem. The result showedthat soaking seed is significant to shoot capacity, number of branch and wet weight of the top stembut not significant to total leaf area, growth perecentation and dry weight if the top stem. Compostresidu of Mucuna is significant to number of branch, total leaf area, and wet weight of the top stembut not significant to shoot capacity, growth percentation, and dry weight of the top stem. Treatmentinteraction is not significant to all observation bariable.Key words: soaking seed, compost residu of Mucuna, Mucuna bracteata

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