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INDONESIA
EUGENIA
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The aims of this journal is to provide a venue for academicians, researchers and practitioners for publishing the original research articles or review articles. The scope of the articles published in this journal deal with a broad range of topics, including: Agronomi, Protection, Soil, Forestry, Agroecotecnology.
Arjuna Subject : -
Articles 198 Documents
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PRODUKSI KUBIS DAN PERSENTASE SERANGAN Crocidolomia pavonana PADA BEBERAPA POLA TANAM KUBIS Paat, Frangky J.; Pelealu, Jantje; Manueke, Jusuf
EUGENIA Vol 18, No 1 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.1.2012.4151

Abstract

ABSTRACT   The research objective was to test a variety of cabbage cultivation techniques is the use of organic fertilizers, botanical insecticides, and multiple croping. This research was conducted in the Village Paslaten Tomohon. When the study was conducted from January 2011 to January 2012. In this experiment, each treatment than control would be sprayed with Barringtonia asiatica extract with a concentration of the best based on laboratory test results. The parameters observed were percentage of attacks, cabbage production, analyzes the advantages of organic and non-organic cultivation. These experiments using randomized block design (RBD) Orthogonal contrast with eleven (11) treatment and four (4) test. The results showed that the highest percentage of attacks on fertilizer treatment mitraflora+ B. asiatica 37.5%. While the lowest was 7.14% peasant patterns. Cabbage production was highest in treatment patterns farmers are 6.84 tons / ha. Low on fertilizer treatment mitraflora 4.44 tonnes / ha. Analysis for cropping farming Organic Cabbage with R / C = 1.91 and B / C = 1.07. Patterns of farmers with a value of R / C = 1.91 and B / C = 1.1. Keywords: Production, percentage attack, multiple cropping, cabbage ABSTRAK Tujuan penelitian adalah  menguji berbagai teknik budidaya tanaman Kubis yaitu penggunaan pupuk organik, insektisida botanis, dan multiple croping.  Penelitian ini dilaksanakan di Kelurahan Paslaten Kota Tomohon. Waktu penelitian dilaksanakan dari bulan Januari  2011 sampai dengan Januari 2012.  Dalam percobaan ini, setiap perlakuan selain kontrol akan disemprot dengan ekstrak Barringtonia asiatica dengan konsentrasi yang terbaik berdasarkan hasil uji di laboratorium.  Parameter yang diamati meliputi persentase serangan, produksi kubis, analisis keuntungan budidaya organik dan non organik.  Percobaan ini menggunakan Rancangan Acak Kelompok (RAK) Kontras Ortogonal dengan sebelas (11) perlakuan dan empat (4) ulangan. Hasil penelitian menunjukkan bahwa, persentase serangan tertinggi pada perlakuan pupuk mitraflora + B. asiatica 37,5%. Sedangkan terendah adalah pola kebiasaan petani 7,14 %. Produksi kubis tertinggi pada perlakuan pola kebiasaan petani yaitu 6,84 ton/ha. Terendah pada perlakuan pupuk mitraflora 4,44 ton/ha. Analisis usaha tani untuk pola tanam Kubis Organik dengan nilai  R/C = 1,91 dan B/C =1,07.  Pola kebiasaan petani dengan nilai  R/C = 1,91 dan B/C =1,1. Kata kunci : Produksi, persentase serangan, pola tanam, kubis
KERAGAMAN BUAH PALA (Myristica fragrans Houtt) DI KABUPATEN KEPULAUAN SANGIHE DAN KABUPATEN SITARO Robert, Robert; Runtunuwu, S. D.; Rogi, J. E.X.; Pamandungan, Yefta
EUGENIA Vol 21, No 3 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.3.2015.9727

Abstract

ABSTRACT   This study aims to determine the nutmeg crop diversity is based on the character of the fruit, seeds, nutmeg mace in Sangihe Island Regency (Island of Sangihe) and District SITARO (Siau Island). The method used is the method of direct observation at the farmer's planting area nutmeg. Location research based on secondary data, namely the districts and villages producer of nutmeg, then determined the three observation points in each study site. Each observation point is determined 10 samples to be observed fruit trees, and every tree observed 20 fruit ready for harvest. Samples of plants is determined by: 1) Age of plants, which is about 15-30 years, and 2) The state of the plant, which is being fruitful and healthy tree. Observations carried out on: 1) The shape of fruit, 2) Color rind 3) Thick flesh, 4) Weight pieces, 5) The length of the fruit, 6) diameter pieces, 7) The color of the fruit flesh, 8) Weight seed fresh, 9) Lengh seed, 10) diameter seed, 11) weight  mace fresh, 12) Color mace. The results showed: 1) The shape of fruit and nutmeg seeds in Sangihe Islands Regency is more diverse than in the District Sitaro. 2) The highest weight of fresh nutmeg obtained from the location Talawid weighing 57.95 g fresh weight and r lowest nutmeg obtained from the location Karatung I is weighing 35.91 g fresh weight nutmeg while the highest was obtained from the location that is weighing 9.45 g Talawid and the lowest seed fresh weight was obtained from the location Karatung I are weighing 6.75g. 3) The same colors are red blood mace. Keywords: nutmeg plant, diversity of fruit, Sangihe, SITARO
PEMANFAATAN EKSTRAK KASAR BATANG SERAI UNTUK PENGENDALIAN LARVA Crosidolomia binotalis Zell. PADA TANAMAN KUBIS Makal, Henny V. G.; Turang, Deflly A. S.
EUGENIA Vol 17, No 1 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.1.2011.95

Abstract

Theresearch wasaimed to assess effect of some concentrations of lemon grass stem extract to C.binotalis larvae. The advantage of the research was to give information the use lemon grass stemextract as a botanical insecticide to control C. binotalis larvae. The result showed that after applicationof the lemon grass stem extract, the C. binotalis larvae showed symptoms such as inactive of eating,inactive of movement and eventually death of larvae C. binotalis.The death of larvae was showingchanging of color at dorsal and ventral. The color at the dorsal became pale yellow and the color atventral turned to light brown.The death larvae subsequently were hardened and the entire body thelarvae were blackish brown.The percentage of C. binotalis larvae mortality increased when theconcentration of lemon grass stem extract was also increased.Concentration 80 g/50 ml resulted 95 %death of total tested larvae. It could be concluded thatlemon grass stem extract can be used to controllarvae of C.binotalis on cabbage. ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh beberapa konsentrasi ekstrak batang seraiterhadap larva C. binotalis. Manfaat dari penelitian ini adalah untuk memberikan informasi tentangpenggunaan ekstrak batang serai sebagai insektisida botani untuk mengendalikan larva C. binotalis.Gejala kematian larva C. binotalis setelah aplikasi ekstrak batang serai pada awalnya larva kelihatangelisah, tidak aktif makan kemudian menjadi tidak aktif bergerak dan akhirnya mati. Larva yang matiterjadi perubahan warna, pada bagian dorsal berwarna kuning pucat dan bagian ventral berwarnacoklat muda dan lama kelamaan seluruh tubuh mengeras dan berwarna coklat kehitaman. Hasilpenelitian menunjukan bahwa persentase mortalitas larva C binotalis meningkat seiring denganmeningkatnya konsentrasi ekstrak batang serai yang diaplikasikan. Pada konsentrasi ekstrak batangserai 80g/ml menyebabkan mortalitas sebesar 95% dari keseluruhan larva uji. Berdasarkan hasil ini,ekstrak batang serai dapat digunakan untuk mengendalikan larva C. binotalis pada kubis.
SERANGAN DAN KERUSAKAN TANAMAN CENGKEH YANG DISEBABKAN OLEH Hexamitodera semivelutina Hell. DI DESA RERER KABUPATEN MINAHASA Runaweri, Christian; Pelealu, J.; Manueke, J.
EUGENIA Vol 23, No 2 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.23.2.2017.16779

Abstract

ABSTRACT The aim of this research is to know the attack and damage of clove stem borer Hexamitodera semivelutina at some elevation in Rerer village of Kombi sub-district of Minahasa Regencyfor 2 months (February - April 2017). The research was conducted by survey  on farmers’ clove plantation area. The research was using a stratified random sampling method with observing the incidence and severity of H. semivelutina pest of clove plant. Treadment using 3 stratum height of place from sea level  that is 0 - <300 meters from sea level (mfsl), 300 - <600 (mfsl), and >600 (mfsl). The result of this research are the symptom of attack and damage of clove plant caused by H. Semivelutina pest as follows : incidence rate and severity according to altitude of place 0 - <300 mfsl are 24.67% and 12.55%, while at height 300 - <600 mfsl are 42.34% and 22.88 %, and at altitude> 600 mfsl are 61.67% and 33.66%.Keywords : incidence of pest, severity of pest, Hexamitodera semivelutina
UJI KUALITATIF KANDUNGAN HARA KOMPOS CAMPURAN BEBERAPA KOTORAN TERNAK PELIHARAAN Tumimbang, Meity; Tamod, Zetly E.; Kumolontang, W.
EUGENIA Vol 22, No 3 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.22.3.2016.23256

Abstract

ABSTRACT The purpose of this research is to find out the nutrient content on five types of livestock manure compost which made of the mix of some livestock manure. This research uses three stages starting from the inventory, then analyzing the data, and finally interpretation of the data for the parameters: follow-up material, color, odor, moisture or water content, Reaction Fertilizer PH, Levels of C Organic, Levels of Total N, Total P, Total K, and Fe. The inventory stage is conducted in laboratory using fast accurate qualitative methods based on Soil Research Center manual guide (2015). The research showed the results of the analysis of physical quality of blackish brown color, soil smells, moisture content less than 50% have met the Indonesian National Standard (SNI) 19-7030-2004. However, based on Decree of the Minister of Agriculture no 28/Permentan/SR.130/B/2009, the water content obtained under the requirements is only in the range of 7.82 to 13.31 from 15-25% while the follow-up material showed <2%. The test results using a set of compost test tools showed N Total content of the livestock manure mixture compost that were made in the range of 2-3% (SNI standard >0,4% and Decree of the Minister of Agriculture <6%), P2O5 1-1.5% (SNI standard >0.1% and Decree of the Minister of Agriculture <6%), C-Organic 10% (SNI standard >9,8-32% and Decree of the Minister of Agriculture >12%), and Fe content 1000-2000 ppm (Decree of the Minister of Agriculture standard 0-8000 ppm), PH 5-7 (SNI standard 6,8 and Decree of the Minister of Agriculture standard 7,49).Key words: compost,  domesticated cattle
POPULASI DAN TINGKAT SERANGAN Nesidiocoris tenuis REUTER (HEMIPTERA: MIRIDAE) PADA TANAMAN TOMAT Rante, Caroulus S.; Dien, Moulwy F.
EUGENIA Vol 18, No 1 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.1.2012.4109

Abstract

ABSTRACT   N. tenuis is an insect pest on tomato plants. This insect has ben indentified as a pest to tomato plants in North Sulawesi since early 2000's. The study aimed to determine the population and the level of N. tenuis attack on tomato crop in North Sulawesi. Research used a survey method conducted at four areas in North Sulawesi: Tomohon, Langowan, Tompaso, and Modoinding. Sampling plots to determine population N. tenuis were placed at each location using an aspirator and sweep net. Observations to determine the level of attack N. tenuis were conducted when the plants began to bloom. This was done by watching randomly 8 plants in each sub-sampling plots. The results showed that populations of N. tenuis in tomato crops was relatively low at Tomohon region, reached an average of 0.42 individuals per plant,; at Tompaso, 0.64 individuals per plant, Langowan 2.40 individuals per plant, and Modoinding 5.40 individuals per plant. Observation of the attack N. tenuis on 144 plant samples showed that the highest was found in the sample located in Modoinding, 57.63%, followed by 49.76% in Langowan, 47.44% in Tomohon and 28, 46% in Tompaso. Keywords: Nesidiocoris tenuis, tomato   ABSTRAK   N. tenuis merupakan serangga hama pada tanaman tomat yang diketahui menyerang tanaman tomat di Sulawesi Utara sejak awal tahun 2000-an.  Penelitian bertujuan untuk mengetahui populasi dan tingkat serangan N. tenuis di beberapa sentra pertanaman tomat Sulawesi Utara.  Penelitian menggunakan metode survey pada empat lokasi sentra penanaman tomat di Sulawesi Utara, yaitu Kota Tomohon, Kecamatan Langowan, Kecamatan Tompaso, dan Kecamatan Modoinding.  Pengambilan sampel untuk mengetahui populasi N. tenuis dilakukan pada masing-masing lokasi dengan menggunakan aspirator dan jaring serangga pada sub-petak pengamatan yang telah ditentukan; sedangkan pengamatan untuk mengetahui tingkat serangan N. tenuis dilakukan pada saat tanaman mulai berbunga dengan mengamati secara acak sebanyak 8 tanaman pada masing-masing sub-petak. Hasil penelitian menunjukkan bahwa populasi N. tenuis pada tanaman tomat relatif rendah yakni kota Tomohon mencapai rata-rata 0,42 individu per tanaman, kemudian Kecamatan Tompaso, 0,64 individu per tanaman, Kecamatan Langowan 2,40 individu per tanaman, dan Kecamatan Modoinding 5,40 individu per tanaman.  Pengamatan tingkat serangan N. tenuis, dari 144 tanaman sampel yang diamati pada masing-masing pengambilan sampel, tertinggi ditemukan pada lokasi sampel Modoinding yakni sebesar 57,63%, kemudian diikuti Langowan (49,76%), Tomohon (47,44%, dan Tompaso (28,46%). Kata Kunci : Nesidiocoris tenuis, tanaman tomat
PEMANFAATAN BIOPESTISIDA RAMAH LINGKUNGAN TERHADAP HAMA Leptocorisa acuta TANAMAN PADI SAWAH Salaki, Ch. L.; Pelealu, Jantje
EUGENIA Vol 21, No 3 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.3.2015.9702

Abstract

ABSTRACT   The research was conducted in the centre production area of rice plants which on North Minahasa District and laboratory tests conducted in Entomology and Plant Pests Laboratory on Pest and Disease Plant course of Sam Ratulangi University, Manado. This research took one year of research period. The results of testing the power to kill isolates of entomopathogenic fungal isolates obtained the highest is MMTTO which had ability to kill nymphs of Leptocorisa acuta (93.3%). Followed by MMITO isolates (86.7%) and MMSAM (80.0%). The isolates are isolates of the fungus Metarhizium anisopliae. Selection results isolates of B. bassiana in nymphs L. acuta which best is BEMSAM isolates (86.7%) followed BEMTTO isolates (83.3%). Then those isolates will be used for the manufacture of biopesticide. Pathogenicity test results showed that each of entomopathogenic fungi to insects L. acuta after 7 days of infection, average mortality ranged from 83.3 to 93.3% and was significantly different from controls. Isolates Metarhizium sp and Beauveria sp each takes a minimum of 22.4 hours and 29.5 hours to kill 50% of test insects. Keywords : biopesticide, important pests, rice plant
APLIKASI TEKNOLOGI BUDIDAYA RAMAH LINGKUNGAN TERHADAP KUALITAS BUAH STROBERI Sumayku, Bertje R.A.; Wardiyati, Tatik; Afandhi, Aminudin; Polii-Mandang, Jeanny
EUGENIA Vol 23, No 1 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.23.1.2017.15409

Abstract

ABSTRACT   This study aimed to compare the application of environment-friendly cultivation technology on the quality of strawberries. The experimental design using a factorial in a randomized block design (RAK), with 2 factors, namely: 1). Farmers treatment technology that chicken manure 20 t / ha + Urine Rabbits 1: 5 liters of water; 2). Treatment T. koningii 15 g / kg of soil in chicken manure 5 tons / ha). Data were analyzed by t test statistics, if different continued with test Duncun at 0.05. Research results show that treatment of PP (T. koningii Technology) has Vitamin C is 27.1 mg / 100g, higher than the Treatment PT (Technology Farmers) is 22.5 mg / 100g. The vitamin C content of the variables were not significantly different between treatments, while the variable texture of the fruit, and sugar content were significantly different. Keywords: applications agriculture environmentally-friendly, strawberry fruit quality
PENYEBARAN HAMA KEPINDING TANAH DAN MUSUH ALAMINYA PADA PERTANAMAN PADI SAWAH DI SULAWESI UTARA Paendong, Evi; Pelealu, Jantje; Rimbing, Jimmy
EUGENIA Vol 17, No 3 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.3.2011.3541

Abstract

ABSTRACT   Bedbug is the major pest in paddy fields in North Sulawesi. The pest attacks on vegetative and generative phase of rice . The species  of pest  attacking on  paddy fields in North Sulawesi is unknown. The study aimed to evaluate  the spread of bedbug ground pests, to identify the pest species as well as natural enemies of the pest at  the ecosystem of paddy fields in North Sulawesi. The result showed that the pest had spread to paddy field in Bolaang Mongondow, South Minahasa and Southeast Minahasa. In Minahasa regency, the pest had not been detected. In terms of population density of pest bugs , the highest was  found in  Bolaang Mongondow which was 14.67 individual per 20 times of swinging  followed by South Minahasa which was 10.33 individual. The lowest was found in Southeastern Minahasa which was 0.67 individuals. There were eight types of natural enemies of the pest  in  soil ecosystem of paddy fields in North Sulawesi. The eight types of natural enemies of the pest were  seven  predator and one parasitoid. The one parasitoid was Telenomus sp. The  seven predator were  Micraspis crocea, Methioche sp, Anaxipha sp, Oxyopes javanus, Tetragnatha sp, Lycosa sp and Chilomenes sp. Keywords: bedbug spread of soil, its natural enemies
IDENTIFIKASI KERAGAMAN GENETIK KENTANG SUPEJOHN TRANSGENIK (Solanum tuberosum L. var supejohn) Lengkong, Christine L.W.; Polii-Mandang, Jeany; Lengkong, Edy F.
EUGENIA Vol 18, No 3 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.3.2012.4095

Abstract

ABSTRACT   The aim of this study was to determine the genetic diversity of potato Supejohn transgenic that had been twenty-five times subcultured with exploration  method. The genetic variability was calculated using molecular marker Polimorphic Random Amplified DNA (RAPD) analysis of ten samples from four weeks planlets of Supejohn transgenic plants using ten random primers. DNA isolation of 10 samples using CTAB buffer  then measurement of the DNA qualification and quantification,  afterwards amplification of DNA by PCR using 10 random primers followed by electrophoresis on a 1% agarose gel with TAE 1x electrode buffer solution. Visualisation  the results used UV Transluminator to see DNA bands and the data of  polymorphic bands had been analized used the NTSYS-pc version of 1.07 program to obtain the similarity coefficient  and the dendrogram.The results showed that five random primers produced polymorphic DNA bands with 0.39 - 0.88 similarity coefficient  and the average similarity coefficient is 0.63 (63%) or the genetic diversity of the samples as many as 37%. Dendrogram formed eight distinct clusters corresponding similarity coefficient, the formation of clusters means that there is genetic diversity among the DNA samples. Keywords: potato Supejohn transgenic, RAPD, genetic diversity ABSTRAK Penelitian ini bertujuan untuk  menentukan keragaman genetik kentang Supejohn transgenik yang telah dua puluh lima kali disubkultur dengan menggunakan metode penelitian eksplorasi dengan penanda molekuler  Random Amplified Polimorphic DNA (RAPD) terhadap 10 sampel tanaman Supejohn transgenik, berumur empat minggu dan  menggunakan  10 primer random.  Isolasi DNA dari 10 sampel menggunakan buffer CTAB sesudah itu dilakukan pengukuran kualitas dan kuantitas  DNA, kemudian dilanjutkan dengan amplifikasi DNA secara PCR menggunakan 10 primer random diikuti dengan  elektroforesis pada gel agarose 1% dengan larutan penyanggah elektroda TAE 1x. Visualisasi hasil elektroforesis  menggunakan UV Transluminator untuk melihat pita DNA  dan analisis  data pita polimorfik  menggunakan program NTSYS-pc versi 1.07 sehingga didapatkan koefisien kesamaan dan dendrogram. Hasil penelitian menunjukkan bahwa lima primer random menghasilkan pita DNA polimorfik dengan koefisien kesamaan 0.39 – 0.88 dan rata-rata koefisien kesamaan yaitu 0.63 (63%) atau  keragaman  genetik sampel sebesar 37%.  Dendrogram  membentuk delapan cluster yang berbeda sesuai koefisien kesamaan,terbentuknya clusters mengartikan bahwa ada keragaman genetik antar sampel DNA. Eugenia Volume 18 No. 3  Desember 2012 Kata kunci : kentang Supejohn transgenik , RAPD, keragaman genetik

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