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INDONESIA
Jurnal Agrista
Published by Universitas Syiah Kuala
ISSN : 14103389     EISSN : 25979973     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agrista merupakan salah satu wadah bagi peneliti untuk menyebarluaskan hasil-hasil penelitian di bidang ilmu Agroteknologi, Ilmu Tanah dan Proteksi Tanaman, selain itu Jurnal Agrista juga mencakup di bidang MIPA Biologi serta FKIP Biologi. Jurnal Agrista memuat laporan hasil penelitian atau makalah suntingan dengan topik Agroteknologi, Ilmu Tanah, serta Hama dan Penyakit Tumbuhan dari staf pengajar/peneliti di Fakultas Pertanian, Universitas Syiah Kuala Banda Aceh dan peneliti lainnya yang berasal dari Perguruan Tinggi Negeri dan Swasta serta Balai Penelitian.
Arjuna Subject : -
Articles 263 Documents
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Pengaruh Media Tanam dan Frekuensi Penyiraman Terhadap Pertumbuhan dan Hasil Selada (Lactuca sativa L.) Sistem Vertikultur Muhammad Hatta; Erida Nurahmi; Wahyuni Sari
Jurnal Agrista Vol 13, No 3 (2009): Volume 13 Nomor 3 Desember 2009
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Effect of Growing Media and Sprinkling Frequency on Growth and Yield of Lettuce (Lactuca sativa L.) in Verticulture SystemAbstract. This study aims to determine the influence of growing media and watering frequency on growth and yield of lettuce using verticulture system and the interaction between the two factors. The design used was randomized block design (RBD) with factorial pattern. 4x3 and 3 replications, so there were 36 experimental units. There are two factors studied, namely factor planting medium (M) consist of four level, and watering frequency factor (P) consisting of three levels. The result showed that the effect of growing media and watering frequency on lettuce plant significantly to the growth and yield of lettuce plant, including plant height, length, width, and number of strands of lettuce of the age of 10, 20, 30 days after planting (DAP) and wet weight age 30 DAP. The best planting medium found in the soil planting medium. While the best watering frequency found 1 day 2 times. There was no significant interaction between the growing media and watering frequency on all growth variables and lettuce plants were observed.
The Utilization of Aquatic Weeds as Biomonitoring Agent for Trophic Status of Water Reservoir Ecosystem Dwi Nugroho Wibowo; Agatha Sih Piranti
Jurnal Agrista Vol 11, No 1 (2007): Volume 11 Nomor 1 April 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRACT. An ecological study of aquatic weed for biomonitoring trophic status of water reservoir system was conducted in Rawa Pening Water Reservoir, Ambarawa, Semarang Regency. This research was conducted from February to October 2006. Variables of study were taken from nine selected observation stations representing upstream, middle, and downstream both in wet season and dry season. The study was aimed to investigate the diversity of aquatic weed in Rawa Pening Water Reservoir at the three zones in both season in order to obtain bioindicator for trophic status of water reservoir ecosystem. The analysis on community structure of aquatic weed was carried out by describing data on the diversity of aquatic weed species. The similarity of aquatic weed characteristics among zones was analyzed on the basis of average similarity dendogram. The variation of water quality and aquatic weed characteristics among stations was analyzed using multivariate analysis based on the analysis of main component, while spatial distribution of aquatic weed was analyzed using correspondence factorial analysis. Based on the variation of characteristics of water quality, Rawa Pening Water Reservoir belongs to eutrophic status. Low diversity of aquatic weed in Rawa Pening Water Reservoir both in wet season and dry season (12 species) was observed. The dominant species in both season were Eichhornia crassipes and Salvinia natans. Other species found were Hydrilla verticillata, Pistia stratiotes, Chara sp., Nitella sp., Ipomoea aquatic, Cyperus cephalotes, C. pilosus, Alternanthera philoxeroides, Nymphoides indica, and Sacciolepis interrupta. Both in wet season and dry season, spatial distribution on the basis of aquatic macrophyte weed was evenly distributed and had grouping pattern of sufficienly high similarity ( 70%). The group tended to be dominated by E. crassipes and S. natans.
Uji Korelasi dan Sidik Lintas Beberapa Karakter Pepaya Terhadap Ketahanan Antraknosa Siti Hafsah
Jurnal Agrista 2008: Edisi Khusus Nomor 1 November 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The Correlation Test and Path Analysis of Antrachnose Disease Resistance of Pepaya ABSTRACT. The aims of this research were to estimate the correlation coefficient among agronomic traits on antrachnose disease resistance of papaya and evaluate the direct and indirect effects of those traits on antrachnose disease resistance of papaya. The result showed that fruit length, flesh thickness, percent symptoms had positive correlation to severity disease and dry of fruit ripe, percent TSS, flesh fimness had negative correlation to severity disease. Path analysis applied an agronomic and resistance character on antachnose disease resiistance indicated that antrachnose disease resistance was directly affected by percent symptom. The largest compound path coefficient of agronomic traits on antrachnose disease resistance that percent TSS and flesh thickness via percent symptom.
Aktivitas Antimikroba Ekstrak N-Heksan Batang Tumbuhan Jarak Pagar (Jatropha curcas Linn.) Risa Nursanty
Jurnal Agrista Vol 15, No 2 (2011): Volume 15 Nomor 2 Agustus 2011
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRAK. Telah dipelajari suatu aktivitas antimikroba ekstrak N-heksane batang tumbuhan jarak pagar. Aktivitas antimikroba telah diuji dengan menggunakan metode difusi dengan masing-masing konsentrasi 20%, 30%, 40%, dan 50%. Penelitian ini menggunakan bacteria Salmonella typhii dan jamur Candida sp. Hasil penelitian menunjukkan bahwa ekstrak menghambat S. typhii dan Candida sp. Ekstrak pada konsentrasi 50% dapat menghambat Candida sp dengan zona hambatan 11 mm. Sedangkan ekstrak dengan konsentrasi sebanyak 30%-40% dapat menghambat S. typhii dengan zona hambatan 10 mm.Antimicrobial Activities N-hexane Extracts of Stem from Jatropha curcas (Linn.)ABSTRACT. The in vitro antimicrobial activity of N-hexane extract of the stem from Jatropha curcas were investigated. Antimicrobial activity was tested by using a diffusion method which each concentrations 20%, 30%, 40%, and 50%. The bacteria Salmonella typhii and fungi Candida sp were used. The results showed that extract inhibited both of S. typhii and Candida sp. Extracts at 50% concentration inhibit Candida sp with zones  inhibition 11 mm. Meanwhile extract at 30%-40% concentration inhibited S.typhii with zones inhibition 10 mm.
Daya Interaksi Beberapa Varietas dengan Berbagai Defiensi Air Fase Tumbuh Kedelai [Glycine max (L) Merrill] Berdasarkan Pertumbuhan, Produksi dan Kandungan Prolin Maisura Maisura; Hendrival Hendrival
Jurnal Agrista Vol 11, No 2 (2007): Volume 11 Nomor 2 Agustus 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The Interaction Water Deficiency Level and Soybean Varieties [Glycine max (L) Merr] Capacity to the Plant Growth, Product and Prolin ContentABSTRACT. The research was conducted to study the interaction water deficiency level and soybean varieties to capacity of the plant growth, product and prolin content. The experiment as factorial experiment in a completely randomized design was applied. The first treatment factors were three level varieties soybean: Kipas putih, Wilis, and Singgalang. The second factor were four level water deficiency: no water deficiency along the growth period, water deficiency along early vegetative growth period, water deficiency along early active of vegetative growth period, water deficiency along flowering, and forming and seed filling period, and water deficiency along seed maturity period. The results showed the water deficiency along each growth period decreased the growth and production. In contrast the water deficiency increases the plant prolin content. The water deficiency along flowering, forming and seed filling period decreased number of pod of all variety. The variety Kipas Putih decreased about 42.49% were compared to the same criteria with no water deficiency in all growth period where water given in normal amount along the through growth period.
Pengaruh Varietas dan Dosis Pupuk SP-36 Terhadap Pertumbuhan dan Hasil Tanaman Kacang Tanah (Arachis hypogaea L. ) Mardhiah Hayati; Ainun Marliah; Hidayatul Fajri
Jurnal Agrista Vol 16, No 1 (2012): Volume 16 Nomor 1 April 2012
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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ABSTRAK. Penelitian ini bertujuan untuk mendapatkan varietas yang baik dan dosis pupuk SP-36 yang tepat serta interaksi keduanya  terhadap pertumbuhan dan hasil kacang tanah.  Penelitian ini dilaksanakan di Desa Darussalam Banda Aceh  sejak Agustus sampai November 2009. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok Faktorial 3 x 3 yang diulang sebanyak 3 kali.  Faktor varietas terdiri dari: Gajah, Kuala batee dan Kelinci, sedangkan dosis pupuk  SP-36 adalah: 100, 150, dan 200 kg ha-1). Peubah yang diamati dalam penelitian ini adalah: tinggi tanaman, jumlah cabang,  jumlah polong per tanaman, jumlah polong hampa per tanaman, jumlah polong per tanaman, bobot polong per tanaman, bobot  100 butir kering, bobot biji kering per petak, dan hasil biji kering per hektar.  Hasil penelitian menunjukkan bahwa varietas berpengaruh terhadap tinggi tanaman, jumlah polong per tanaman, jumlah polong per tanaman, dan bobot 100 biji kering. Pertumbuhan terbaik didapatkan pada varietas Gajah. Dosis pupuk SP-36 berpengaruh terhadap tinggi tanaman. Hasil terbaik untuk peubah tersebut adalah pada 150 kg ha-1.The Effect of Varieties and Dosage of SP-36 Fertilizer on Growth and Yield of Peanuts (Arachis Hypogaea L.)ABSTRACT. This study aimed at finding the best varieties and the right dosage of SP-36 fertilizer and the interaction of both factors on the growth and yield of peanut crops. The research was conducted in the village of Darussalam-Banda Aceh, from August to November, 2009. Experimental design was used in this study with Randomized Block Design patterns of 3 x 3 factorial with three replications. Two factors investigated were varieties (Gajah, Kuala Batee, dan Kelinci), and applied dosages of SP 36 fertilizer (100, 150 and 200kg ha-1). Variables observed in the study were plant height and number of branches per plant, the number of pods per plant, the number of empty pods per plant, total number of pods per plant, weight of pods per plant, dry weight of 100 seeds, dry seed weight per plot and the net weight of dried beans per hectare. The results showed that the varieties have a effect on plant height, pods number per plant, number of pods per plant and the total weight of 100 dry seeds. Best growth and results were found in varieties of gajah. Dose of fertilizer has a real effect on plant height. A better result was found in SP-36 of 150 kg ha-1.
Pengelompokan Berdasarkan Karakter Morfologi Vegetatif pada Plasma Nutfah Pisang Asal Kabupaten Aceh Besar Marai Rahmawati; Erita Hayati
Jurnal Agrista Vol 17, No 3 (2013): Volume 17 Nomor 3 Desember 2013
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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ABSTRAK. Penelitian ini bertujuan untuk mengelompokkan berbagai jenis pisang (Musa spp.) yang terdapat di Kabupaten Aceh Besar berdasarkan karakter morfologi vegetatif dari berbagai plasma nutfah pisang. Pengamatan meliputi karakter kuantitatif dan karakter kualitatif. Hasil penelitian menunjukkan bahwa aksesi pisang dapat dibagi menjadi tiga kelompok berdasarkan tinggi batang semu. Kelompok pertama, kategori batang semu pendek, terdapat  4 aksesi, selanjutnya kategori batang semu sedang, terdapat 9 aksesi dan terakhir kategori batang semu tinggi, terdapat 7 aksesi. Sedangkan berdasarkan 28 karakter kualitatif, terbentuk dendogram yang mengelompokkan aksesi pisang pada 3 kelompok. Kelompok pertama yaitu pisang Bu I, Talon, Nangka, Ayam, Gantang, Mah Sabang, Banten, Mas Aceh, Klat Barat, Lidi, Abin, dan Kapai. Kelompok kedua yaitu pisang Swasa dan Buu. Kelompok ketiga yaitu pisang Wak, Kepok dan Bhem. Berdasarkan karakter tipe lekuk kanal petiol, warna batang semu dasar dan tipe bercak maka kelompok pertama dan kedua diklasifikasikan memiliki genom dominan A (berasal dari Musa acuminata), sedangkan kelompok ketiga memiliki genom dominan B (berasal dari Musa balbisiana). Grouping Based on Vegetative Morphological Character of Banana Germplasm from Aceh Besar DistrictABSTRACT. This study aims to grouping the diversity of banana (Musa spp.) from Aceh Besar District based on vegetative morphological characters of banana germplasm. Observations included quantitative and qualitative characters. Grouping based on pseudostem height were divided into three groups. The first group, short pseudostem, is 4 accessions. The second group, medium pseudostem, are 9 of accession. Last, the third group, high pseudostem, are 7 accessions. While based on 28 qualitative characters, formed dendogram classifying banana accessions into 3 groups. Based on the character type of petoile canal, predominant underlying color of pseudostem and blotches of petiole base, the first and second groups are classified into the group that have dominant genome A (derived from Musa acuminata), while the third group has dominant genome B (derived from Musa balbisiana).
Studi Biologi Pleisispa reichi Chap. (Coleoptera: Crhysomelidae) di Laboratorium Darma Bakti; Rosmayati Rosmayati; Sufryiadi Sufryiadi
Jurnal Agrista Vol 13, No 1 (2009): Volume 13 Nomor 1 April 2009
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Biological Study of Pleisispa reichi Chap. (Coleoptera: Crhysomelidae) in LaboratoryABSTRACT. Pleisispa reichi is a mein pest of coconut in Indonesia. This beetle attacked the young leaves. The objective of this research id to know the biological aspect of this beetle on coconut leaves. This studies were conducted in Laboratory of plant pest and disease, Faculty of Agriculture, North Sumatera level. The result showed that female produced 43.40±9.86 eggs with hatching 80.77±6.95%. Larvae had 3 instars with duration 22.80±0.79 days. The age of pupae 5.30±0.71 days. While the age of female and male, 70.90±4.55 and 73.90±4.55 days, respectively. Copulation occurred when imagoes age 13-14 days. The length and wide size of eggs were 5.90±0.56 and 1.95±0.20 mm. The length larvae of instar 1, 2, and 3 were 4.05±0.37, 6.00±0.53, and 9.05±0.55 mm. While the width were 0.95±0.16, 1.35±0.24, and 1.85±0.24 mm. The measure of length and width of pupa were 8.75±0.49 and 1.80±0.26 mm. While the length and width size of male was 8.35±0.58 mm and 1.90±0.21 mm and the female was 9.75±0.54 mm and 2.20±0.26 mm. In life table showed that the net of reproduction rate (Ro) = 11.02. While the intrincic rate of reproduction (r) was 0.070 and Tc was 34.30. It means that the beetle had survival rate was 34.30%.
Simulasi Desain Teras dan Analisis Stabilitas Lereng untuk Konservasi Tanah dan Air Mustafril Mustafril
Jurnal Agrista Vol 10, No 2 (2006): Volume 10 Nomor 2 Agustus 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Simulation of Slope Stability Analysis and Terrace Design for Water and Soil ConservationABSTRACT. The terrace development for soil and water conservation often experience the failure such as landslide, like some agriculture farm in Sub-District Banjarwangi, regency of Garut. Considering this problem, it is required to conduct research and analysis on slope stability, especially for the slope with bench terrace. Slope stability is determined by the slope morphology, soil physically and mechanical properties. This research aims to determined the slope stability at a farmland made by terrace, and expected to give recommendation for planning water and soil conservation to avoid landslide. This research was to conducted in field, laboratory and with computer simulation. The triaxial test of soil taken I Mulyajaya village, Sub-District of Banjarwangi shows that at the mean density of 1.44 t m-3, the average effective cohesion is 0.15 kgf cm-2 and the average internal friction angel is 20.30 for natural condition. Actual terrace at the landslide location is initially stable (Fs = 1.22) and become unstable (Fs = 0.31) as the soil is nearly saturated with increase of soil water table due to rain. Simulation using the slope design software which is being developed can ease the prediction of soil stability in order to help land utilization planning for soil and water conservation.
Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis JACQ) pada Berbagai Komposisi Media Tanam dan Konsentrasi Pupuk Daun Seprint Erida Nurahmi; Nurhayati Nurhayati; Afilia Ulfa
Jurnal Agrista Vol 14, No 3 (2010): Volume 14 Nomor 3 Desember 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Oil Palm Seedling Growth on Various Planting Media Compotition and Seprint Leaves Fertilizer Concentration ABSTRACT. The objective of this experiment was to study effect of various planting media compotition and Seprint leaves fertilizer concentration on oil palm seedling growth. The experiment used block randomized design with factorial pattern 3 x 3 and 3 replicants. There were two factors that studied. First factor was planting media compotition (K1 = 1 : 3; K2 = 1 : 2; K3 = 1 : 1). Second factor was seprint leaves fertilizer concentrations (S1 = 2 ml/I water; S2 = 3 ml/I water; S3 = 4 ml/I water). The result showed that the best oil palm seedling growth on planting media compotition 1:3 (cow manure : soil). The best result of oil palm seedling growth was sprint leaves fertilizer concentration 2 ml/I water. There was not interaction between planting media compotition and sprint leaves fertilizer concentration on all oil palm seedling growth variables that were studied.

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