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Kajian Aplikasi Paclobutrazol dan Beberapa Jenis Pupuk Daun Terhadap Pertumbuhan Dan Produksi Tanaman Kentang (Solanum tuberosum L.) Dataran Menengah Olke B. Lengkong; Eddy F. Lengkong; Diane F. Tiwow; Jemmy Najoan
COCOS Vol. 6 No. 11 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i11.8482

Abstract The study aims to know the effect of the timing of Paclobutrazol and complementary liquid fertilizer on the growth and yield of potato plains of medium and knowing the interaction between the timing of Paclobutrazol and other types of PPC. This research was conducted in October 2013 to January 2015 This study used factorial experiment with a randomized block design (RBD) consisting of: 6 combined treatment with 3 replications. Factor A: time paclobutrazol application on the age of the plant, namely A1 and A2 on the 30-day plant age 45 days. Whereas factor B: complementary liquid fertilizer consisting of B1: kristalon, B2: plant catalyst, B3: Gandasil D. Variables measured were plant height, amount of shoots, number of leaves, plant production and production samples perbedengan results showed that the results of research on Applications paclobutrazol significant effect on plant height, number of leaves, plant production and production samples of potatoes per plot and the number of shoots not significant. Interaction between the time of application of paclobutrazol and complementary liquid fertilizer does not give real influence. Keywords: organic C, Phosphorus, Potassium, Nitrogen, pH

EVALUASI ASPEK FUNGSI TANAMAN PADA LANSKAP JALAN KAMPUS UNIVERSITAS SAM RATULANGI Arief Rahman; Jemmy Najoan; Maria G.M. Polii
COCOS Vol. 6 No. 17 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i17.10533

ABSTRACT EVALUATION OF PLANT FUNCTIONAL ASPECT AT SAM RATULANGI UNIVERSITY ROADSIDE LANDSCAPE Â Plant is one of the elements that play a role in shaping the roadside landscape. The aim of this study was to evaluate aspects of the functioning of plants in the landscape of the campus of the University of Sam Ratulangi and make recommendations on the selection and arrangement of functional plants. The experiment was conducted from April to November 2015 along the roadside of the University of Sam Ratulangi.Â Â Â Â Â This is a descriptive study, data collection is collect by survey method. Location of the study were divided into 4 groups of locations: Main Street, East Zone, West Zone and South Zone. Plant function evaluated is the advisory function, limiting, shade, wind control, noise control, light control, pollution control, and conservation. Each group location rated based on the percentage criterion crop function and translated into the category of excellent, good, average, and poor.Â Â Â Â Â Results of the evaluation showed excellent categories are on main street group location, good categories located in east zone and west zone groupâ€™s location, and poor categories located in South Zone group location. Function of plants on the landscape the way the campus can be improved by increasing the number of trees and shrubs that has a dense leaves and planted with a tightly spacing. The selection of plants should consider the composition of the existing planting, plant function requirements, and compliance with the physical and environmental conditions of the road. . Keywords: Plant Functional, Roadside Landscape, University of Sam Ratulangi

PENGARUH PEMBERIAN AIR KELAPA DAN AIR REBUSAN DAUN SIRIH TERHADAP BUNGA POTONG KRISAN (Chrysanthemum,sp) Inggrit Z. Tuwaidan; Jemmy Najoan; Jeanne M. Paulus
COCOS Vol. 10 No. 2 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i4.22088

ABSTRACT The effect of giving coconut water and piper betle decoction water of krisan cutting flower under the guidance of Ir. Jemmy Najoan, MS and Prof. Dr. Ir. Jeanne M. Paulus, MS. The purpose of this study was to determine the interaction between the supply of coconut water and piper betle decoction water to the flower of Krisan, to find out the effect of giving coconut water to Krisan cut flowers, and to determine the duration piper betle decoction water of Krisan cut flowers 20.25 minutes) with variables observed, namely the weight of Krisan cut flowers, stem diameter of Krisan cut flowers, diameter of cut flowers of Krisan and solution absorbed byÂ Krisan cut flowers. This research was conducted at the Plant Sciences Laboratory of the Faculty of Agriculture, Sam Ratulangi University, Manado for 2 months, namely in June - August 2016 with the results of research on giving young coconut water to the weight of Krisan cut flowers producing the highest value of 16,281 and old coconut water 8,750 g , with the highest value on the administration of piper betle boiled water which is in stew for 5 minutes 12,624 followed by stew for 10 minutes 11,423 g and the lowest for the length of stew for 25 minutes 8019 g. Adding the highest stem diameter to the giving of young coconut water 3,100 mm and old coconut water 2,280 mm, while the addition of boiled water piper betle on stew for 5 minutes 2,889 mm and the lowest on stew for 25 minutes 1,878 mm. The highest addition of Krisan cut flower diameter on the addition of young coconut water 2.207 cm and old coconut water 1.410 cm while the highest value in giving piper betle for 5 minutes 1.729 cm. The highest absorbed Krisan solution was given by giving young coconut water 228,692 ml, old coconut water 88,292 ml added boiled water of piper betle to the absorbed solution in stew for 25 minutes 261,736 and the lowest on boiling water for 5 minutes 202,958 ml. Keywords: Coconut Water, Piper Betle Decoction Water, Krisan cutting flower

PENGARUH INTERAKSI KONSENTRASI DAN WAKTU APLIKASI PACLOBUTRAZOL TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PADI SAWAH (Oryza sativa L) VARIETAS SERAYU Dellyna Rombon; Jemmy Najoan; Semuel D. Runtunuwu
COCOS Vol. 10 No. 5 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.24364

ABSTRACT This study aims to determine the effect of the interaction between the concentration and time of application of paclobutrazol to the growth and yield of wetland rice, The experiment was carried out for 4 months in Sulu Village , Tatapaan Indah District, South Minahasa Regency, starting from May to August 2014. The experiment was carried out using the Randomized Block Design (RBD) method, with two treatment factors namely paclobutrazol concentration, consisting of three concentrations namely: 1). P1 (0 ppm), 2). P2 (400 ppm), 3). P3 (600 ppm), and Time of paclobutrazol application (W), namely: 1). W1 is sprayed at plant age 30 HST, 2). W2 is sprayed at plant age 37 HST, 3). W3 is sprayed at plant age 44 HST. Observations were made on: Plant height, number of productive tillers, harvested dry grain, paddy filled with paddy, weight of paddy filled with clumps. Data were analyzed by variance and the smallest real difference test was BNT 0.5%. The time and concentration of administration of paclobutrazol only interact significantly in plant height. The concentration of paclobutrazol (singly) has a significant effect on: 1). Dry paddy harvest, 2). Number of grains containing clumps, 3). grain weight containing clumps. Keywords: paddy, paclobutrazol, concentration, date of application, interaction.

Pengaruh Konsentrasi Nutrisi AB mix Terhdap Pertumbuhan dan Hasil Tanaman Seledri (Apium graveolens L.) Dengan Sistem Hidroponik NFT Effect of AB mix Nutrient Concentration on Growth and Yield of Celery (Apium graveolens L.) with NFT Hydroponic Systems Silvani Wardi; Jeanne M. Paulus; Jemmy Najoan
COCOS Vol. 11 No. 2 (2019): EDISI APRIL-JUNI
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.27330

ABSTRACT Celery (Apium graveolens L.) is a vegetable plant that has long been known in Indonesia. Celery plants have many benefits as the food and health. The low production of quality celery and the products are produced by in accordance with the wishes of consumers. A technology is needed that can increase the production of quality celery and in accordance with the market's desires. Hydroponics film engineering technique is one of the technologies that can be applied in narrow areas, but research on the concentration of nutrients in the hydroponic planting system of celery plants has not been done much. The purpose of this study is to determine the effect of the concentration of AB mix nutrients on the growth and yield of celery plants (Apium graveolens L.) NFT hydroponic system, and get the best concentration of AB mix nutrients on the growth and yield of celery plants. This research method uses a Completely Randomized Design (CRD) with 3 treatments and 4 replications, the factors studied are the concentration of AB mix nutrition with the treatment: (p1) 900 ppm, (p2) 1200 ppm, (p3) 1500 ppm. The results showed that there was an effect of the concentration of AB mix nutrients on the growth and yield of celery (Apium graveolens L.) and the best concentration was in the treatment (p3) 1500 ppm. Keywords: Nutrient AB mix, NFT Hydroponics, Celery (Apium graveolens L.)

Pemetaan Sifat Fisik dan Kimia Tanah Pada Lahan Persawahan Di Kecamatan Kotamobagu Timur Feronicha Efratha; Sandra E. Pakasi; Tilda Titah; Jemmy Najoan
COCOS Vol. 11 No. 2 (2019): EDISI APRIL-JUNI
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.27340

ABSTRACT The purpose of this research is to map the physical and chemical properties of soil on paddy fields in Kotamobagu Timur sub-district. This research was held in October to December 2019. This study used a survey method, in which soil samples were taken at 25 points spread over 658.17 ha or 27.78% of the area of East Kotamobagu District.Mapping conducted out in the Geospatial and Environmental sub-laboratory of the Faculty of Agriculture, Sam Ratulangi University. The outcome map of the physical properties of paddy soils in Kotamobagu Timur District is at texture class of clay and chemical properties of paddy soil with each respective criteria neutral soil pH, C-organic low to moderate, Nitrogen low to moderate, Phosphorus and Potassium currently being moderate. The situation of Nitrogen and C-organic for lowland rice plants is still in the low category. Keywords: Mapping, Paddy Fields, Physical Properties, Chemical Properties

KAJIAN TANGGAP PERTUMBUHAN DAN PRODUKSI TANAMAN KENTANG (Solanum tuberosum L.) PADA PEMBERIAN PUPUK NPK, PUPUK ORGANIK CAIR DAN TRICHOKOMPOS Gabriel M. R. Sondakh; Edy F. Lengkong; Saartje Sompotan; Jemmy Najoan
COCOS Vol. 12 No. 2 (2020): EDISI APRIL-JUNI 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.30824

ABSTRACTPotatoes (Solanum tuberosum, L.) are one of the important food commodities after rice, maizeand wheat whose needs continue to increase both to meet domestic needs and even have the potential to beexported. This study aims to determine the effect of NPK fertilizer, Liquid Organic Fertilizer, andTrichocompost on the growth and production of potato (Solanum tuberosum L.). This study used aliterature study method, utilizing the results of research and scientific publications on the effect of NPKfertilization, Liquid Organic Fertilizer, and Trichocompost on the growth and production of potato plants.The results showed that the application of NPK fertilizer, Liquid Organic Fertilizer, and Trichokomposhad an effect on the growth and production of potato (Solanum tuberosum L.). The dose of NPK fertilizergiven to potato plants was 700 - 1,400 kg and could be combined with manure, with production 14.7 -22.5ton ha-1. The dose of liquid organic fertilizer can be given 5-25 ml / liter of water and can produce potatoproduction 23.13 - 34.56 ton ha-1. Tricho-compost biofertilizer can be given in solid form 25 ton ha-1 or inliquid form 5 ml / l -250 ml / l can be sprayed onto leaves or onto the soil, and can give potato production36.8 - 38.3 ton ha-1. Tricho-compost can help suppress and control the attack of soil-borne pathogens suchas Fusarium fungi, Phytophora fungi, and Phytium fungi which are important pathogens in potatocultivation..Keyword : potato, NPK, liquid organic fertilizer, trichocompost

IDENTIFIKASI SIFAT KIMIA TANAH YANG DITANAMI TANAMAN KENTANG (SOLANUM TUBEROSUM L.) DI DESA PINASUNGKULAN UTARA KECAMATAN MODOINDING Michael A.S Roring; Diane D. Pioh; Jemmy Najoan
COCOS Vol. 12 No. 2 (2020): EDISI APRIL-JUNI 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.30879

ABSTRATC Soil chemical properties are very influential to increase plant growth. Application of fertilizer is one of the important means of production in plant cultivation, so that its availability is absolutely necessary for the sustainability of soil and plant productivity. The function of chemical fertilizers is to provide macro nutrients such as N, P, K, Ca, Mg, and S and micro nutrients such as Zn, Cu, B, Mo, Co, Mn, Fe. This study aims to identify the chemical properties of soil planted with potato (Solanum Tuberosum L.) in Pinasungkulan Utara Village, Modoinding District. The results showed that the soil pH content was in neutral conditions (6.5 - 6.8), Corganic had a low to moderate value (1.32% - 2.78%), Nitrogen had a low to moderate value ( 0.2% - 0.24%), Soil phosphorus has a moderate content value (17.51ppm - 20.65ppm), potassium. Based on the chemical properties of land planted with potato (Solanum Tuberosum L.) in Pinasungkulan Utara Village, Modoinding District, there are no serious problems but attention needs to be given to improving the management of organic matter. Keywords: Identification, Chemical Properties, Potato Plants.

KEADAAN KESUBURAN KIMIA TANAH PADA TANAH YANG DITANAMI TANAMAN CABAI (Capsicum Annum L) DI DESA LOWIAN KECAMATAN MAESAAN KABUPATEN MINAHASA SELATAN Serliati Ch. Kawengian; Tommy D. Sondakh; Jemmy Najoan
COCOS Vol. 12 No. 4 (2020): EDISI OKTOBER-DESEMBER 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.32444

ABSTRACKThis study was to determine the state of soil chemical fertility in the soil planted withchilies (Capsicum annum L.) in Lowian village, Maesaan District, South Minahasa Regency, aswell as to support chili farming in Lowian village. This research was conducted in Lowianvillage, Maesaan District, South Minahasa Regency. Soil sampling was carried out in twolocations, namely at the top of the village and at the bottom of the village. Furthermore, theanalysis of soil chemical properties at the Laboratory of Chemistry and Soil Fertility, Facultyof Agriculture, Sam Ratulangi University, Manado. The research period starts from Septemberto October 2020. The results of the analysis of several soil chemical properties in chilicultivation in Lowian village, Maesaaan District show that soil acidity (soil pH) is in a slightlyacidic state (6.3 - 6.4), C-organic has a low to moderate content value (1.74). - 2.22), the valueof the cation exchange capacity (CEC) is in a low to moderate state (13.82 - 18.54), Nitrogennutrient content is low (0.14 - 0.19), Phosphorus nutrient content is in a low state (11.64 -12.45), and the nutrient content of Potassium is in a low state (13.32 - 20.11) In general, basedon the results of laboratory analysis, it was stated that the soil chemical fertility in Lowianvillage, Maesaaan District, was at a low level.Key words: Soil, chemical properties, chili plants

Evaluation of Land Suitability for Durian (Durio zibethinus M.) Plants In Kombi District, Minahasa Regency Based on Geographic Information Systems Sandra Pakasi; Anatasya Siahaan; Jemmy Najoan; Diane Pioh; Sofia Wantasen
EKOTON Vol. 4 No. 1 (2022): ISSUE JANUARI - JUNI 2022
Publisher : PPLH-SDA, Lembaga Penelitian Unsrat Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35801/ekoton.v5i1.49530

This study aims to determine the land suitability class and the distribution map of the durian land suitability class in Kombi District by utilizing the Geographic Information System (GIS). This research was conducted using a survey method in the field. In this study, land units were obtained from the results of overlaying land use maps, soil types, and slopes consisting of 52 land units. The results of this study are that the land suitability class for durian plant development in Kombi District is divided into 2 class classifications, namely marginally suitable (S3) with limiting factor for soil texture (r) and nitrogen (n) and not suitable (N) with slope factor (e) The distribution of land suitability class for durian plants in Kombi District is for marginally suitable class (S3) with an area of 5276.71 ha spread over 16 land units and non-suitable class (N) with an area of 2153.44 ha spread over 7 land units. Keywords: Geographic information system (GIS), land suitability evaluation, durian plant Abstrak Penelitian ini bertujuan untuk mengetahui kelas kesesuaian lahan dan peta persebaran kelas kesesuaian lahan durian di Kecamatan Kombi dengan memanfaatkan Sistem Informasi Geografis (SIG). Penelitian ini dilakukan dengan menggunakan metode survei di lapangan. Pada penelitian ini satuan lahan diperoleh dari hasil overlay peta penggunaan lahan, jenis tanah, dan lereng yang terdiri dari 52 satuan lahan. Hasil penelitian ini kelas kesesuaian lahan untuk pengembangan tanaman durian di Kecamatan Kombi terbagi menjadi 2 klasifikasi kelas yaitu sesuai marginal (S3) dengan faktor pembatas tekstur tanah (r) dan nitrogen (n) dan tidak sesuai (N). ) dengan faktor kemiringan (e) Sebaran kelas kesesuaian lahan untuk tanaman durian di Kecamatan Kombi adalah untuk kelas sesuai marginal (S3) dengan luas 5.276,71 ha yang tersebar di 16 satuan lahan dan kelas tidak sesuai (N) dengan luas 2153,44 ha yang tersebar di 7 satuan lahan. Kata kunci: Sistem informasi geografis (SIG), evaluasi kesesuaian lahan, tanaman durian.

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