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Meldi T.M. Sinolungan
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Fakultas Pertanian Universitas Sam Ratulangi Manado
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COCOS
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27150070     DOI : 10.35791
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal ini memuat materi yang berkaitan dengan Pertanian. Menyangkut Tanah, Budidaya Pertanian, Proteksi Tanaman, Teknologi Pertanian dan Sosial Ekonomi Pertanian
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 10 Documents
 1 
Search results for , issue "Vol. 8 No. 3 (2017)" : 10 Documents clear
STUDI KOMPARASI DISTRIBUSI PENDAPATAN PETANI BERBASIS SAWAH DAN HORTIKULTURA DI KOTA TOMOHON Andre Konore; Dr. Ir. H. Esry Laoh, MS; Dr. Ir. Paulus A. Pangemanan, MS.
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14915

Abstract

ABSTRACT The study aims to compare the distribution of the income of farmers in the paddy and horticulture based in Tomohon. The research was conducted from September to November 2016. The data used are primary data obtained through interviews with the 30 (thirty) paddy rice farmer respondents and 30 respondents for farmers Horticulture and secondary data obtained from the Village Office Taratara 1 (one) and Sub Rurukan , Analysis of the data used descriptively by comparing through Lourens curves and Gini index value. The results showed that the Gini index value comparison and Lourens curve is almost the same and into the category of relatively uneven but horticulture farmers' income higher than the income of paddy.
PENGEMBANGAN BISKUIT KENARI (Canarium indicum L) BERBAHAN BAKU TEPUNG SAGU BARUK (Arenga microcarpa) Veybi S. Makanoneng; Ir. Erny J.N. Nurali, MS.; Dr.Ir. Gregoria S.S. Djarkasi, MS.
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14916

Abstract

ABSTRACT  The purposes of this research was to evaluate the sensory quality of “kenari” biscuits that made from mixingof sago “baruk”and corn starch;  and to analyze the chemical content of a “kenari”  biscuits that have the highest percentage by panelists. This research was designed using Complete Randomized Design with four treatments with three replications each treatment. Those are (A) 90 g sago baruk and 10 g cornstarch, (B) 85 g sago baruk and 15 g cornstarch, (C) 70 g sago baruk and 20 g cornstarch and (D)75 g sago baruk and 25 g cornstarch. The results showed that the “kenari” biscuits that made from sago baruk 90 g and 10 g cornstarch has the highest percentage given by panelists. That biscuit contents 6.66% of moist, 1.46% of ash, 8.96% of protein, 42.28% of fat, 40.6% of carbohydrates and 578.92 calorie Keywords: Sago baruk, Kenari nuts, biscuit.
PRODUKSI, SEKUESTRASI DAN SEBARAN KARBON KANGKUNG AIR (Ipomoea aquatica, Forsk. L.) PADA KEBUN TELAGA DI DESA KALASEY SATU Syamsiar A. R.; Joko Purbopuspito; Jenny J. Rondonuwu
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14917

Abstract

ABSTRACT  Biomass production of water spinach is a photosynthetic carbon assimilation by Ipomoea aquatica, Forsk. L. in reducing carbon in the air.  Water spinach grown at cultivated ponds of Kalasey Satu village followed natural irrigation system. We determined this water spinach biomass production and its carbon sequestration.  Soils and leafy vegetable products were sampled from upstream (Block A) to downstream (Block C) in 4 replicates per block for 3 consecutive observations.  Soil bulk densities in Block A (0.33 g.cm-3) is significantly heavier that that in Block C (0.22 g.cm-3) and soil depth in Block C (96 cm) was significantly deeper than solum depth in Block B (61 cm). Carbon production in water spinach, however, were not significantly different among blocks during 3 observation times.  Carbon sequestration of 20 days interval is 1.21 kg C.ha-1 which is equivalent to 22.1 kg C.ha-1.y-1.  Farmers' income from carbon sequestration is about Rp 551.958,- ha-1.y-1 and equivalent to USD 42.46 ha-1.y-1.  Keywords:  Water spinach (Ipomoea aquatica, Forsk. L.), vegetable production, carbon sequestration and carbon stock distribution
POPULASI DAN SERANGAN HAMA Thrips spp. (THYSANOPTERA: THRIPIDAE) PADA BEBERAPA VARIETAS TANAMAN KRISAN DI KELURAHAN KAKASKASEN II KECAMATAN TOMOHON UTARA Andre V.H. Najoan; Julie M.E. Mamahit; Betsy A.N. Pinaria
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14918

Abstract

SUMMARY  Thrips spp. is an important pest that one of the obstacles in the cultivation of chrysanthemum. Research using plant propagation greenhouse flowers are located in the Village Kakaskasen II, North Tomohon sub district and in the Laboratory of Entomology and Plant Pests Agricultural Faculty UNSRAT Manado. The study was conducted by observing the population of Thrips spp. in some varieties of chrysanthemum plants, namely (1) varieties Solinda Pelangi, (2) Kulo varieties (white Lokon) and (3) varieties Puspita Nusantara. Observations pest populations conducted in five sub-plots by taking seven samples of chrysanthemum on each sub-plot, then the plants were taken in quotation strands interest to observe whether or not found Thrips pest. Thrips both nymphs and imago found in chrysanthemum flowers strands are collected in a bottle collection that already contains 70% alcohol and then calculated the amount. Thrips pest collected then taken to the Laboratory of Entomology and Plant Pests Faculty of Agriculture, University of Sam Ratulangi to be observed. Observations Thrips pest populations spp. performed a total of four (4) times with a time interval of the chrysanthemum plant once a week on the age of 8 weeks after planting (mst), 9 mst, 10 and 11 mst mst. Observations made on the amount of interest stricken old plants 11 weeks after planting to record and count the number of affected plants. Criteria interest stricken characterized by the presence of symptoms of pests Thrips spp. and or presence of nymphs / imago on the sample of interest. The results showed that pest populations Thrips spp. the three highest chrysanthemum varieties found in Kulo varieties, reaching an average of 38.5, then Solinda Pelangi 21.5  varieties and varieties Puspita Nusantara 12.1. Pest populations of  Thrips  spp. at the level of plant age turns on old plants 11 weeks after planting (mst) has a population of Thrips spp. The highest, reaching an average of 32.3, then aged 10 mst 32.0, age 9 mst 20.2 mst, and age 8 mst 14.9. Turns infected plants vary between varieties. A total of 64 flowers of each variety turns highest percentage of infected plants was found in 81.25% Kulo 52 varieties of flowers attacked, then varieties Solinda Pelangi 64.06% 41 flower attacked and Puspita Nusantara 43.75% interest 28 attacked.  Keywords: Population, attack Hama, Chrysanthemum.
SERANGGA-SERANGGA PADA TANAMAN GEDI (Abelmoschus manihot L.) DI DESA LOLAH DAN KALASEY KABUPATEN MINAHASA Chendy Livinia Sambow; Jusuf Manueke; Redsway Maramis
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14930

Abstract

ABSTRACT  Plants Gedi is one type of horticulture type of vegetable can also be used as medicinal plants (Papodi et al, 2013) and is the type of vegetables typical of North Sulawesi, because it is a vegetable that is commonly used by the people of North Sulawesi as an ingredient for typical food from this area that Manado porridge, the field survey results show that the existence of some types of insects that attack plants Gedi. This causes a decrease in the quantity and quality of crops Gedi. This study aims to menngetahui types of insects on plants Gedi in the Village and Village Kalasey.Penelitian Lolah was conducted in two villages, in the village Lolah and Kalasey for three months from November 2016 to January 2017. This study used purposive sampling method in plants gedi in both villages. Each village was taken 4 locations. Sampling was conducted using an insect net and using tanagn. There are 4 orders were found, namely: the Order Hemiptera comprising two families (Family Pentatomidae and Family Plataspididae), Order Coleoptera consist of 5 Family (Family Chrysomelidae, Family Coccinelidae, Family Curculionidae, Family Buprastidae and Family Carabidae), Order Orthoptera (Family Acrididae) Order Lepidoptera (Pyralidae).
PEMANFAATAN JAMUR ENTOMOPATOGEN Beauveria bassiana (Balsamo) Vuillemin TERHADAP LARVA Plutella xylostella (L.) DI LABORATORIUM Akwila Prisilia Flira Aror; Ir. Caroulus S. Rante, MS.; Ir. Noni N. Wanta, MS.
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14931

Abstract

ABSTRACT  The objective of research was to know the various concentrations of the fungus B. bassiana on the mortality P. xylostella larvae on cabbage plants in the laboratory.  This research used a Completely Randomized Design (CRD), which consisted of four treatments namely, A treatment (control) using sterile water (distilled), B treatment with B. bassiana spores concentration of 106 per ml, C treatment with a concentration of spores of B. bassiana 107 per ml, and D treatment with B. bassiana spores concentration of 108 per ml. Each treatment was repeated four times. Each test using 20 individual larvae as larvae test. Planting cabbage and decision larvae test is done by collecting a number of larvae P. xylostella of cabbage centers are not sprayed with pesticides in Tomohon.  Larvae were used as test is instar larvae of three. The data were analyzed using analysis of variance. If the treatment shows the real effect then continued by Least Significant Difference (LSD).  The results showed that B. bassiana fungus proved effective at killing larvae P. xylostella with the average concentration of the highest mortality in the treatment of 106 is 65.00%, respectively while the lowest concentration found in the treatment of 107 and 108 which respectively by 58.75% and 55.00%.  Keywords : Beauveria Bassiana, Plutella xylostella, Entomopatogen
POPULASI dan PERSENTASE SERANGAN LARVA Spodoptera spp. (LEPIDOPTERA: NOCTUIDAE) pada TANAMAN BAWANG DAUN di KECAMATAN MODOINDING Arter G. Umboh; Dantje Tarore; Moulwy Dien
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14932

Abstract

ABSTRACT   The study aims to determine the percentage of the population and attacks the larvae of Spodoptera spp. the planting scallion in District Modoinding. The study used survey method in planting scallion in District Modoinding, South Minahasa Regency is in the village Mokobang, Makaaruyen, Palelon and Kakenturan. Each location / Village determined three terraced planting scallion as sample sites. Sampling was done by slices diagonally and consists of five sub-plots. Observations made by observing the plant population of 20 clumps on each sub-plot. Larvae were found taken and collected in a bottle collection that already contains 70% alcohol, then calculated the amount. Sampling was carried out four times with intervals of once a week, namely the old plants 30 days after planting (dap), 37 dap, 44 dap and 51 dap. Observations made once the percentage of attacks that the old plants 51 days after planting. Each sub-plots randomly selected 20 family of plants as the plant sample to be observed. So the number of samples of plants were observed in each plot were 100 plants. Each family of plants counted the number of leaves, then observe and note the number of the diseased leaf. Criteria of pest attack is characterized by the presence of symptoms or attacks and the presence of larvae of Spodoptera spp. the leaves were observed Results of the study was a population of larvae of Spodoptera spp. The highest was found in the village of Mokobang reached an average of 88,31, then Makaaruyen 52,33, 51,48 Palelon village head and village Kakenturan 7,50. The observation of the population of Spodoptera spp. based on the age of the plant turned out to be the highest found in the plant was 51 dap which reached 67,37 then aged 44 dap 51,15, age 37 dap 43,75 and age 30 dap 37,56. Observations percentage of attacks Spodoptera spp. turned out to be the highest in location the Mokobang vilage reaching 41,42%, Palelon Village 11,68 %,  Makaaruyen village 11,37 % and Kakenturan village 2,74 %.
PENGARUH PENAMBAHAN MAIZENA PADA PEMBUATAN BISKUIT GLUTEN FREE CASEIN FREE BERBAHAN BAKU TEPUNG PISANG GOROHO (Musa Acuminate) Lois I.V.A. Utomo; Ir. Erny Nurali, MS; Ir. Maya Ludong, MS.
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14939

Abstract

ABSTRACT  The purpose of this research was to determine the proper formula of biscuit made from goroho flour added with cornstarch; To  evaluate the sensory quality of the gluten free casein free biscuits made from goroho flour and analyze the nutrition content of biscuit and calculate the calories of biscuits gluten free casein free. The research was design using complete random sampling method with four treatments : 0% , 10%, 20% and 30% added of cornstarch. The results showed the addition of cornstarch on a gluten free casein free biscuits made from goroho flour most panelist favored the addition of 20% cornstarch that contain carbohydrates 69,09%, coars fibers 0,40%, proteins 2,81%, fats 22,89%, water content and calorific value 439,61 cal.  Keywords : gluten free casein free biscuits, goroho flour, cornstarch
RESPON PERTAMBAHAN DIAMETER Gyrinops caudata TERHADAP DUA KOMBINASI PUPUK Yusak M. Dori; Marthen T. Lasut; Semuel P. Ratag
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14955

Abstract

ABSTRACT Gyrinops caudata an agarwood-producing plants are of good quality, so the price on the market also increased tailored to the needs of the present. To meet the demand of the market it is necessary to improve the welfare of farmers cultivation of agarwood and reduce the level of damage to forests from natural forests aloes search uncontrollably. Cultivation of this crop requires the application of techniques and methods that aim to spur growth in order to produce quality results and growth in accordance with the growing age. This study aims to investigate the response of fertilizer given to plants producing agarwood by using the experimental method, the observed data were analyzed using the F-test (variance) to determine the spread of the data and proceed to the t-test to determine the level of difference in the increase in diameter of the two group of plants. Through the analysis of test-f and proceed to the t-test concluded that the treatment that is given in plant with a combination of fertilizer, NPK and added foliar fertilizer (bayfolan) accreting diameter better than combination fertilizers that do not add foliar fertilizer Bayfolan.Key words : Agarwood, Gyrinops caudata, Fertilizers, Bayfolan, Experiment.
KENYAMANAN TERMAL RUANG TERBUKA HIJAU DI KAMPUS UNSRAT BERDASARKAN PERSEPSI PENGUNJUNG Prestin Babo; Fabiola B. Saroinsong; Josephus I. Kalangi
COCOS Vol. 8 No. 3 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.14956

Abstract

ABSTRACT Comforts could be defined as psychological and physical comforts. Psychological comfort could be perchieved by safety, peace, and relaxant feeling that felt personaly and subjectively measurable. In the meanwhile, physical comfort could be measured objectively such as spatial, visual, auditorial, and thermal. Open spaces are public space that accessible either directly within limited or indirectly within undeterminate period of time. Open spaces could appear as roads, sidewalks, urban spaces such as townparks, forests, and other similar things. This manuscript discussed about thermal comfort that felt by human whose had activity on an urban green space (Ruang Terbuka Hijau or RTH) of The University of Sam Ratulangi. This research aimed to studying respondent perceptions on the point of thermal comfort on The University of Sam Ratulangi’s RTH. This research used purposive sampling to select the urban green spaces which frequently accesed, while respondents are randomly chosen. These following 11 RTH known to be accessed frequently, they are FMIPA, FAPERTA, FAPET, BANK BNI, FPIK, FATEK, FEB, FISIP, FH, FKM A, and FKM B. This research concluded the most comfortable RTH based on respondent perceptions is FKM B (100%); followed by FAPERTA (94.1%), FATEK (82.4%), FAPET (80%), FEB (69.2%), FPIK (65%), Bank BNI (63.6%), FH (53.8%), FMIPA (45.5%), FKM A (33.3%), dan di FISIP (26.3%). Keywords: Perception, Green open space, Campus UNSRAT.

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