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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

Arjuna Subject : -

Articles 39 Documents

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Search results for , issue "Vol 3, No 3 (2015)" : 39 Documents clear

Pengujian Kompos Tithonia (Tithonia diversifolia) Pada Dua Varietas Sorgum (Sorghum bicolor (L.) Moench) Di Desa Siopat Sosor Kabupaten Samosir Pieter, T., Yan; Irmansyah, T.; Mawarni, Lisa
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v3i3.10704

The aim of this research was to know growth response and production of some sorghum varieties to the addition of tithonia compost. The research was held from July - November 2014, used randomized block design with three factors addition of tithonia compost (0, 10, and 20 ton/ha) and two varieties (Kawali and Numbu). Parameters measured were plant height,the number of leaves , flowering time, weight of panicle seed per sample, weight of panicle seed per plot, yield per sample, yield per plot, and 1000 grains weight. The result showed that compost doesn’t affected significantly on all of parameters. Varieties affected significantly on plant height, the number of leaves, flowering time, yield per sample, yield per plot, and 1000 grains weight. There were not any interaction between compost and variety on all parameters. The best result was found in the combination of 10 kg tithonia compost and numbu variety. Keywords: , tithonia, variety, compost, sorghum.

Uji Ketinggian dan Tipe Perangkap untuk Mengendalikan Penggerek Buah Kopi (Hypothenemus hampei Ferr.) (Coleoptera : Scolytidae) di Desa Pearung Kabupaten Humbang Hasundutan Kreniva Megawati Sinaga; Darma Bakti; Mukhtar Iskandar Pinem
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This research aims to know the efective height and type of trap which is most attack H. hampei in the field. The research was held at Pearung village, Sub-district Paranginan, District Humbang Hasundutan, North Sumatera from September until October 2014. The method used Randomized Block Design with two factors and three replications. The first factor was height of trap (1.0 ; 1.2 ; 1.4 ; 1.6 and 1.8 m) and the second factor was the type of trap (single funnel trap, multiple funnel trap, and mineral bottle). The results showed that the best trap was 1.2 m + multiple funnel trap, and the highest symptom percentage was 1.0 m + single funnel trap.Keywords : height, trapping, Hypothenemus hampei Ferr.

Respons Pertumbuhan Tembakau Deli (Nicotiana tabacum L.) Terhadap Pemberian Pupuk Nitrogen dan Zeolit Dedek Irawan; Irsal Irsal; Haryati Haryati
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This research has been conducted to study the effect of nitrogen fertilizer and zeolite on growth of tobacco. This research has been conducted in screen house at the Faculty of Agriculture, University of Sumatera Utara, Medan (± 25 m above sea level) during September until November 2014 using factorial randomized block design with two factors are nitrogen fertilizer (0; 9,02; 18,04 g ZA/plant) and zeolite ( 0; 31,5; 63,1; 94,6 g/plant). The parameters observed were plant height, diameter of stem, numbers of leaf, greennes of leaf and summarize of leaf area. The results of the research showed that nitrogen fertilizers increased plant growth of tobacco Deli, zeolites and both of interaction has not increase plant growth of tobacco Deli.Key words : nitrogen, zeolite, Deli tobacco.

Pemberian Pupuk Anorganik dan Pemangkasan Daun Terhadap Pertumbuhan dan Produksi Jagung Varietas Pioneer-23 Sthefani Melkasari; Sabar Ginting; Irsal Irsal
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This research aims to get a right dose of inorganic fertilizer and the appropriate amount of leaf pruning on the growth and yield of maize (Zea mays L.) varieties Pioneer - 23, conducted in community land Jl. Setia Budi, Simpang Selayang village, subdistrict of Medan Tuntungan with ± 25 m altitude above sea level in March and July 2011 using a randomized block design factorial with 2 factors: inorganic fertilizer (NPK) (0, 175, 350, dan 525 kg/ha) and pruning leaves (not pruned, 2 lowest leaves pruned, and 4 lowest leaves pruned). The results showed that inorganic fertilizer was significant effected for plant height of 6 WAP, days to flowering, amount of leaf chlorophyll, plant dry weight’s sampels, plot’s production, weight of dry shelled sampels, weight of 100 grains seeds. Leaves pruning was notsignificant effected for all parameters except days to flowering and amount of leaf chlorophyll The interaction of inorganic fertilizer with pruning leaves show were notsignificant effected for all parameters.Keywords : maize, inorganic fertilizer, leaves pruning

Uji Residu Herbisida Glifosat terhadap Beberapa Imago Parasitoid di Laboratorium Monalisa Natalia Ambarita; Suzanna Fitriany; Fatimah Zahara
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The aim of the research was to determine the effect of glyphosate herbicide application on the percentage of live and survive parasitoid age in laboratory and the best time for the introduction of parasitoids to the field after application of parasitoids. The research was held at Laboratory of Sugarcane Research and Developmnet Sei Semayang, Binjai, Medan, North Sumatera from Juny to August 2014. The method used Non-factorial Randomized Complete Design which is application time factor glyphosate herbicide control, 3, 5,7,and 9 days after application respectively.The results showed that giving of herbicides significantly affect mortality Sturmiopsis inferens and Trichogramma spp. Giving herbicides also significantly affected age survive Cotesia flavipes, S. inferens. and Trichogramma spp.Keywords : parasitoid, Cotesia flavipes, Sturmiopsis. inferens, Trichogramma spp., glyphosate herbicide

Interaksi Trofik Jenis Serangga di atas Permukaan Tanah dan Permukaan Tanah Beberapa Pertanaman Varietas Jagung (Zea mays Linn.) Gery Lineker Purba; Marheini Marheini; Syahrial Oemry
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The aim of the reasearch was to know the tropic interaction of insect on the soil surface and above of soil surface for many varieties of corn (Zea mays Linn.) and index diversity value of insect of corn. The research was conducted in BBI of Tanjung Slamat and Agriculture Pest Laboratory in University of Sumatera Utara, Medan from November (2013) until March (2014). The insect trapped used yellow stiky trap and pitt fall trap. The result of the research showed that insects caught each consist of 9 ordo and 33 family. The highest relative density values in PRG NK603 (application of glyphosate) variety was 16.691% and the lowest was 0.681%. The highest relative density values in PRG NK603 variety was 16.363% and the lowest was 0.578%. The highest relative density values in C7 variety was 15.499 % and the lowest was 0.577 %. The highest relative density values in DK979 variety was 15.073 % and the lowest was 0.450 %. Shanon-Weiner (H’) Index diversity value of insect in PRG NK603 (application of glyphosate) variety was 2.950309 (standart), in PRG NK603 was 3.006432 (stable), in C7 variety was 3.051692 (stable), and in DK979 variety was 3.082916 (stable).Keywords : interaction, insects, corn, trap

Uji Daya Hidup Rayap Tanah (Coptotermes curvignathus Holmgren) (Isoptera : Rhinotermitidae) dalam Berbagai Media Kayu di Laboratorium Aditia Exaudi tampubolon; Syahrial Oemry; Lahmuddin Lubis
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This research aims to determine the viability of subterranean termites (Coptotermes curvignathus Holmgren) in some media wood in laboratory. The study was conducted at Plant Pest Laboratory, Agroecotechnology Program Study, Faculty of Agriculture, University of Sumatera Utara, Medan from March to May 2014. It was done by using Completely Randomized Design (CRD) non factorial with ten treatments and three replications: control, rubber wood, jackfruit wood, mango wood, guava wood, tead, duku wood, palm wood, mahogany and guava wood. The results showed that the highest mortality in mahogany wood 8.04%. The lowest residue of wood was in mahogany 0.84 g.Keywords: Coptotermes curvignathus, mortality, wood

Aplikasi Pupuk KCl dan Pupuk Kandang Ayam Terhadap Ketersediaan dan Serapan Kalium Serta PertumbuhanTanaman Jagung (Zea mays L.) Pada Tanah Inseptisol Kwala Bekala Andri Martilova Sebayang; MMB Damanik; Kemala Sari Lubis
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The study aims to determine the effect of KCl fertilizer and hen house fertilizer to potassium avaibility and absorption also the growth of maize crop (Zea mays L.) at Inceptisol soil of Kwala Bekala. This study is conducted at home gauze and also in Chemical Laboratory and Fertility of soil, Faculty of Agriculture, University of North Sumatera. Study is compiled in Random Design of Factorial Group consisting of 2 factors with restating. First factor of urea which consist of 4 dose fertilizer: 1.K0 (0), 2.K1 (0,125), 3.K2 (0,25), 4. K3(0.375) and both factor of goat house fertilizer: 1.A0 (0), 2.A1 (25), 3.A2 (50), 4. A3 (75).Result of study show application of KCl fertilizer have an effect on reality to improve the crop herght,dry weight of crop root and dry weight of crop coronet. Application of hen house fertilizer don’t have an effect in reality to improve soil pH, soil C-Organic, soil K-Total, absorbtion of K crop, height of crop, weight dry of KCl fertilizer and hen house fertilizer don’t have an effect in reality which do well by parameters.The usage of hen house fertilizerat dose 10 ton/ha instead of KCl fertilizer in maintaining soil potassium availability.Keywords: KCl fertilizer, hen house fertilizer

Pengaruh Beberapa Jenis Termitisida dalam Mengendalikan Rayap (Captotermes curvignathus Holmgren) di Laboratorium Ary Hutama S; Yuswani Pangestiningsih; Lisnawita Lisnawita
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The objective of this research was to get an effective termiticides to control termites (C. curvignathus) in the laboratory. The research was conducted at Pest Laboratory, Agricultural Faculty, University of Sumatera Utara, Medan, from April until May 2014. The method used Randomized Complete Design Nonfactorial with seven treatments. The tratments were (control, cassava bark 25g/L water, cassava bark 50g/L water, cassava bark 75g/L water, cassava bark 100g/L water, kerosene and termiticide (active ingredient imidakloprid) and three replications. The results showed that kerosene was more effective to control termite that the others with mortality of 95% followed by imidacloprid termitisida (85%), cassava bark 100g / L (76.67%), whereas cassava bark 75g / L, 50 g / L, 25g / L weren’t effective to control termite with percentage of mortality were 65, 50, 46.67% respectively. Termite's death marked by the existence of body color changed from pale white to blackish brown color and stiff body shape then into wrinkles.Keywords : termiticide, Captotermes curvignathus, mortality

Pertumbuhan Dan Produksi Dua Varietas Kedelai Pada Cekaman Kekeringan Josua Simanjuntak; Chairani Hanum; Diana Sofia Hanafiah
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

These research conducted in North Sumatera university agricultural faculty in January to April 2014, using factorial randomized block design with two factors. The first factor is the soybean variety (Anjasmoro and Wilis) and the second factor is treatment drought stress (optimum field capacity, and drought stress treatment beginning flowering plant for 14 days).The results of these research showed that drough stress decrease growth and production parameter were leaf area (25,40%), root volume (44,87%), shoot dry weight (38,01%), and dry weight of 100 seeds (23,32%).Keywords :growth, Anjasmoro, Wilis, drought stress.

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