Garuda - Garba Rujukan Digital

Article Per Year (5 Year)

All

AGROEKOTEKNOLOGI

agroekoteknologi
Website

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 30 Documents

1 2 3

Search results for , issue "Vol 6, No 2, April (2018)" : 30 Documents clear

Pertumbuhan, Produksi, Dan Kualitas Bawang Merah Di Tanah Pasir Kuarsa Pedalaman Luar Musim Muhammad Anang Firmansyah
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Pengembangan bawang merah di tanah pasir kuarsa pedalaman di luar musim atau musim hujan merupakan hal baru. Tujuan penelitian ini mendapatkan varietas bawang merah yang adaptif ditinjau dari parameter pertumbuhan, produksi, dan kualitas. Rancangan percobaan menggunakan RAK4x3 (Rancangan Acak Kelompok) dengan 4 perlakuan varietas (Maja Cipanas, Tajuk, Bauji dan Bima Brebes), setiap perlakuan diulang tiga kali. Hasil penelitian menunjukkan bahwa bobot isi tanah meningkat dengan makin dalamnya tanah, namun kadar air tanah sebaliknya makin menurun. Pada parameter pertumbuhan nampaknya Tajuk terbaik dan berbeda nyata dibandingkan Bima Brebes. Pada parameter produksi ternyata Maja Cipanas, Bauji dan Bima Brebes memiliki berat 10 g lebih, sedangkan Tajuk hanya 6,79 g. Produksi varietas Bauji adalah terbaik dengan produksi kering sebesar 22,4 t/ha meskipun tidak berbeda nyata dengan Maja Cipanas 18,49 t/ha. Pada parameter kualitas maka Bima Brebes cukup baik ditinjau dari parameter kekerasan umbi dan Total Padatan Terlarut (TPT) berturut-turut 4,9 kg/cm2 dan 16,42 %.

Pengaruh HCl untuk Ekstraksi Pulp Benih Manggis Terhadap Viabilitas Benih Manggis (Garcinia mangostana L.) Dikki Yandri Tarigan; Ir Haryati MP; Ir Mariati MSc
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Penelitian bertujuan untuk menganalisis pengaruh ekstraksi pulp benih manggis dengan asam HCl terhadap viabilitas benih manggis (Garcinia mangostana L.). Penelitian ini dilaksanakan di Laboratorium Teknologi Benih Fakultas Pertanian Universitas Sumatera Utara Medan dengan ketinggian ± 25 meter di atas permukaan laut, pada bulan Februari sampai Maret 2016, menggunakan Rancangan Acak Lengkap Faktorial dengan dua faktor yaitu konsentrasi HCl (0 %, 7 %, 17 %, 27 % dan 37 %) dan lama perendaman (30 menit, 60 menit dan 90 menit). Peubah yang diamati adalah kadar air benih, laju perkecambahan, indeks vigor, kecambah normal dan bobot segar kecambah. Hasil penelitian menunjukkan bahwa pemberian HCl 7 % (K1) dapat mempercepat laju perkecambahan 2,355 hari, indeks vigor 0,935, meningkatkan kecambah normal 69,333 % dan bobot segar kecambah 66,965 g dibanding kontrol (K0). Kata kunci: HCl, Manggis, Pulp.

Pertumbuhan dan Produksi Bawang Merah (Allium ascalonicum L.) pada Pemberian Hidrogel dan Frekuensi Penyiraman dengan Sistem Vertikultur Nori Andrian; Ir Mariati MSc; Ferry Ezra T. Sitepu S.P., M.Si
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Penelitian ini bertujuan untuk mengidentifikasi dosis hidrogel dan frekuensi penyiraman air yang sesuai terhadap pertumbuhan dan produksi tanaman bawang merah dengan sistem vertikultur yang dilaksanakan di Desa Karang Sari, Kec. Medan Polonia dengan ketinggian 25 meter diatas permukaan laut yang dimulai pada bulan Februari sampai April 2016, menggunakan Rancangan Acak Kelompok (RAK) faktorial dengan 2 faktor dan diulang 3 kali. Faktor pertama adalah dosis hidrogel dengan 3 taraf yaitu 0 g/tanaman (tanpa hidrogel), hidrogel 0,1 g/tanaman, dan hidrogel 0,2 g/tanaman dan faktor kedua adalah frekuensi penyiraman dengan 3 taraf yaitu penyiraman dengan frekuensi 1 hari 1 kali, 3 hari 1 kali, dan 6 hari 1 kali. Hasil penelitian menunjukan dosis hidrogel hanya berpengaruh nyata dengan jumlah daun pada 5 minggu setelah tanam (MST) sedangkan frekuensi penyiraman berpengaruh nyata dengan jumlah daun pada 2 – 5 MST. Interaksi perlakuan dosis hidrogel dan frekuensi penyiraman berpengaruh nyata dengan bobot basah umbi dan bobot kering umbi per paralon. Kombinasi perlakuan dosis hidrogel 0,2 g/tanaman dan frekuensi penyiraman 1 hari 1 kali (H3P1) menunjukan bobot basah tertinggi 57,03 g dan bobot kering tertinggi 45,17 g yang tidak berbeda nyata dengan perlakuan dosis hidrogel 0,2 g/tanaman dan frekuensi penyiraman 6 hari 1 kali (H3P3) dengan bobot basah 51,68 g dan bobot kering 39,63 g. Kata kunci : bawang merah, frekuensi penyiraman, hidrogel, vertikultur

Grouth Respons and Antioxidant Activity of Melinjo While Salt Stress rio azimah afitollah nur
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

This experiment aimed to determine the growth response and the protein content of antioxidants in the seeds melinjo age of 3 months after administration of the compound NaCl to salt stress condition. Research using a completely randomized design (CRD) with one factor different concentrations of NaCl, 0 mM NaCl; 25 mM NaCl; 50 mM NaCl; 75 mM NaCl and 100 mM NaCl. The parameters observed plant growth, total soluble protein content, activity of antioxidant proteins and protein banding pattern. The results showed that the growth parameters of seedlings melinjo showed no significant with the provision of NaCl except in wet weight, dry weight and chlorophyll content in total, while the total content of protein and antioxidant activity decreased on treatment of 25 and 50 mM NaCl concentration, then climbed back on treatment 75 and 100 mM, namely the 100 mM obtained total protein content of 3.33 mg / g, 78.7% ABTS reduction activity with IC50 values of 0.8 mg / mL). The pattern of protein bands showed different band patterns in the treatment of 100 NaCl. Keywords: Melinjo, NaCl, Protein, Antioxidant Activity.

Evaluasi Kesesuaian Lahan Tanaman Padi Sawah (Oryza sativa L.) Di Desa Sukorejo Kecamatan Sei Balai Kabupaten Batubara deyu zahraini putri; purba marpaung; mariani br sembiring
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Land evaluation is estimation process of the potensial land for a variety of alternative uses optimally by considering physical and socioeconomic factors as well as conservation of environmental resources for sustainable use. This study aimed to evaluate the suitability of rice paddy (Oryza sativa L.) in Village Sukorejo Subdistric Sei Balai Distric Batubara. It can be obtained 2 (two) Land Mapping Unit (SPL) which is determined base on the overlay result from the map of topography, map of soil types and map of land use with scale of 1 : 20.000 that is Sawah Ultisol SPL 1A and 1B and Sawah Inceptisol SPL 2A and 2B. This study used survey method and the class assessment of land suitability was done by matching based on criteria astablished by Peraturan Mentri Pertanian No.79 (2013). The results showed that the land suitability classes of actual rice paddy (Oryza sativa L.) in SPL 1A, 1B and 2A is Marginally Suitable/ S3nrxs by a nutrient retention and sulfidic material barrier factor while in SPL 2B is Marginally Suitable/S3nr by a nutrient retention barrier factor. The land suitability calasses potential rice paddy (Oryza sativa L.) for l SPL (1A, 1B dan 2A) is suitable/ S2nrxs by a nutrient retention and sulfidic material barrier factor while in SPL 2B is suitable/ S2nr by a nutrient retention barrier factor. Keywords : Land suitability, Lowland rice, Rice paddy

Lowland rice soil classification at village Sukorejo subdistrict Sei Balai, district of Batubara based on soil taxonomy 2014 hamdi fadli kurniawan; purba marpaung; Jamilah Jamilah
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Classification of soil is a process to select the soil according to the characteristic and their ability. Classification gives a description of the physical properties, chemistry, and minerals of land owned which can then be used as a basis for management for land users. The study aim to classify the soils on orders, sub orders, great groups and sub groups. The location at Village Sukorejo Subdistrict Sei Balai District Batubara, that start from September 2016 until Januari, 2017. Soil morphology was description of soil profiles to know soil properties, horizons and diagnostic horizon. Soil samples were taken from each horizon for laboratory analysis of soil texture, bulk density, pH (H2O), pH (KCl), P2O5, organic carbon, exchangeable cations (Ca2+, Mg2+, K+, Na+), Total Fe, Al can be exchange, base saturation and cation exchange capacity (CEC) in Socfindo, Asian Agri, and Chemistry and Soil Fertility Laboratories Agriculture Faculty University of North Sumatera. The results shows that type of soil SPL 1A and 1B are Ultisols, Aquults, Albaquults, dan Typic Albaquults. For SPL 2A and 2B are Inceptisols, Aquepts, Endoaquepts, dan Aquandic Endoaquepts. Keywords : Lowland rice, soil classification, soil taxonomy 2014

Diversity of Insects in Cocoa (Theobroma cacao L.) Plantations with Integrated Pest Management (IPM) and Non IPM in Biru-biru District of Deli Serdang Regency Jemahaganta Surbakti; Suzanna Fitriany Sitepu; Syahrial Oemry
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

The cocoa farmers mostly practice conventional pest control that can be harmful to the environment, therefore integrated pest management has been developed. This research aimed to know diversity of insects in cocoa plantations affected by integrated pest management (IPM) and conventional (non IPM) techniques. This research was conducted in two villages in Biru-Biru District, Deli Serdang Regency and in Plant Pests Laboratory, Faculty of Agriculture, Universitas Sumatera Utara, Medan from June until September 2016. This research used four insect traps (sweep net, pitfall trap, light trap, and yellow trap), and repeated five times. The results showed that insects caught on cocoa plantations with IPM were 12 orders and 44 families, the highest relative density value was 27.49%, the lowest was 0.07%, the index value of insect diversity Shannon-Weiner (H') was 2.90 (moderate) and the index value of insect evenness (E) was 0.76 (high) whereas on cocoa plantations with non IPM were 10 Orders and 39 families with the highest relative density value was 25.27%, the lowest was 0.10%, the index value of insect diversity Shannon-Weiner (H') was 2.76 (moderate) and the index value of insect evenness (E) was 0.75 (high). Keywords: biodiversity, cocoa, insects, integrated pest management

The effectivity of Trichoderma sp and Gliocladium sp. to control the Pokahbung disease (Fusarium moniliforme) on sugarcane (Saccharum officinarum) puti ristha; Hasanuddin Hasanuddin; fatimah zahara
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Pokahbung was one of some problems in Sugarcane cultivation. This experiment was aimed to test antagonist agent (Trichoderma sp and Gliocladium sp. ) to control Fusarium moniliforme. This study was conducted at screen house,at Agriculture Faculty, Universitas Sumatera Utara, Medan from March to October 2016th. It was done by using Completely Randomized Design (CRD) factorial with two factors and three replications. First factor was using antagonist agent (Trichoderma sp, Gliocladium sp., and combination of Trichoderma sp. and Gliocladium sp.) and the second factor was the concentration of antagonist agent 106 , 105, 104. The result showed: the best treatment was combination of Trichoderma sp. and Gliocladium sp. and with concentration 105and 106. Keywords: sugarcane, Fusarium moniliforme, Trichoderma sp., Gliocladium sp..

Evaluation of Rat's Attack (Rattus argentiventer Robb & Kloss) After Release of Owl (Tyto alba) in Deli Serdang Ema Rosalina Sipayung; Suzanna Fitriany Sitepu; Fatimah Zahara
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Rat is the important rice pests. Damageon rice crops caused by rat's attack in Indonesia reached a loss of 15-20% every year. This research aims to find out the rat's attack after release of owls. This research was conducted in Desa Sidodadi Ramunia and Desa Baru Deli Serdang with the distance about 22 km. This research was conducted from May until December 2016.This research used a survey method. Determination of research areas with purposive sampling method.Determination sample area using diagonal sampling method.Analyzed using Spearman's rank. The results show that the active rat's nest in Desa Baru is more than Sidodadi Ramunia, it was on age 40 days after planting (hst) in Desa baru there are 18 active nest while in Desa Sidodadi Ramunia none active rat's nest. The highest percentage of attacks was found in Desa Baru with moderate category (27.5%) , and the lowest in Desa Sidodadi Ramunia (0%). Thehighest production was in Desa Sidodadi Ramunia (5.71 tons/ha)and the lowest production was inDesa Baru (3.11 tons/ha). Correlation result showed that the corelation value of the active rat's nest with the percentage of rat's attackis 0.917, correlation value of amountowl with active rat's nest is - 0.928, correlation value amount of owl with the percentage of rat's attack - 0.866 and correlation value offarmer's perception to controling rat's attack with crop production is 0.810.Keywords: Rattus argentiventer, rat's nest,Tyto alba

Impact ofSystemic Insecticide Applicationon populationsElaeidobius kamerunicus Faust(Coleoptera: Curculionidae) on Oil Palm Plantation yeni rawati harianja; Suzanna Fitriany Sitepu; Marheni sembiring
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Oil palm is one of the commodity crop that has an important role in the economy in Indonesia. The main problems encountered are low productivity caused by the decline in population of oil palm pollinating insects Elaeidobius kamerunicusFaust.The purpose of this study was to examine the effect of systemic insecticides on E. kamerunicuspalm oil plantations in PTPN IV Marihat, Pematang Siantar. This research was conducted at Indonesian Oil Palm Research Institute (IOPRI), Pematang Siantar collaboration with PTPN IV. The methodwasfactorial randomized block designwith two factors and three replications. The first factor was type of active ingredient ( asefat dimehipo, klorantraniliprol), the second factor was dose insecticide (5 gr, 10 gr, 20 gr) and (7.5 ml, 5 ml, 10 ml). The parameters were observed consisting are total population of E.kamerunicusper hectare and sex ratio. The results showed thatthe total decrease in the population of E. kamerunicus 90 days after application was 18% of the inifialpopulation. Sex ratio of E. kamerunicus was1:1.5. Keywords :Acephate, Dimehypo, Elaeidobius kamerunicus, Klorantraniliprol, systemic insecticide

Page 2 of 3 | Total Record : 30

1 2 3

Filter by Year

2018 2018

Filter By Issues

All Issue Vol 7, No 2,April (2019) Vol 7, No 1,Jan (2019) Vol 6, No 4,Okt (2018) Vol 6, No 3, Juli (2018) Vol 6, No 2, April (2018) Vol 6, No 1, Januari (2018) Vol 5, No 4 (2017) Vol 5, No 3 (2017) Vol 5, No 2 (2017) Vol 5, No 1 (2017) Vol 4, No 4 (2016) Vol 4, No 3 (2016) Vol 4, No 1 (2016) Vol 3, No 4 (2015) Vol 3, No 3 (2015) Vol 3, No 2 (2015) Vol 3, No 1 (2015) Vol 2, No 4 (2014) Vol 2, No 3 (2014) Vol 2, No 2 (2014) Vol 2, No 1 (2013) Vol 1, No 4 (2013) Vol 1, No 3 (2013) Vol 1, No 2 (2013) Vol 1, No 1 (2012) More Issue

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota medan,

Sumatera utara

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name -

Contact Email -

Phone -

Journal Mail Official -

Editorial Address -

Location Kota medan, Sumatera utara INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota medan,

Sumatera utara

INDONESIA