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Adeleyda M. W. Lumingkewas
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Agriculture, Biological Sciences & Forestry Environmental Science

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Masa Tanam Kacang Tanah (Arachis hypogaea L.) Berdasarkan Neraca Air di Kecamatan Kakas Barat Veronica Ester Buge; Anni E. Tarore; Adeleyda M. Lumingkewas
COCOS Vol. 8 No. 5 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i4.15704

Abstract

ABSRTACTPeanut is one of the plants, especially food sources of protein, carbohydrates and vitamins.Objective to determine planting peanuts (Arachis hypogaea L.) based on water balance in theDistrict of West Kakas. Materials and equipment used are secondary data of rainfall andevapotranspiration taken in Tondano Geophysics station, as well as physical data of land anduses a computer. The method used in this research is secondary data in the form of a surveymethod that includes climate data of rainfall and evapotranspiration observationsGeophysics Station Tondano Winangun obtained from BMKG station. Soil physical dataretrieval in Minahasa District Land Board. Early planting peanuts based on the criteria ofFAO, 1978 which is the first dasarian October. The results of the water balance analysisavailable planting peanut plants in the District of West Kakas which is 270 days, starting atthe beginning of the rainy season (rainfall = 0,5ETP) in dasarian I to dasarian III fromOctober to June. That it can be done three times a year planting.Key Words : Planting time, Peanut, Water Balance, Climate, Rainfall
KAJIAN KUALITAS AIR SUNGAI BENING SEBAGAI SUMBER AIR IRIGASI PERSAWAHAN DI DESA MOPUYA SELATAN II KECAMATAN DUMOGA UTARA KABUPATEN BOLAANG MONGONDOW Hendra Yusuf; Sofia Wantasen; Adeleyda M. W. Lumingkewas
COCOS Vol. 10 No. 1 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.21022

Abstract

ABSTRACT  The purpose of this study was to determine the water quality of Bening River in Subdistrict Dumoga Utara District Bolaang Mongondow which would be used as rice field irrigation water in the South Mopuya II Village, Subdistrict Dumoga Utara District Bolaang Mongondow. The study was conducted for three months (3 months), namely April to June, the location of water sampling is the Bening River in South Mopuya II Village, then analyzed in the Water Quality Laboratory. The results of the analysis show that the Bening River Sodium Adsorption Ratio (SAR) concentration in the Upper Area (0.61), in theBening River Lower Area (0.59), is in good quality.  DHL (Electrical Conductivity) concentrations in the Bening River in the Upper Area (2.39.10-5dS/m), in the Bening River Lower Area (2.59.10-5dS/m), are in good quality.  TDS (Total Dissolved Solid) concentration in the Bening River in the Upper Area (167 mg/l), in the Bening River Lower Area (181 mg/l), in good quality. Chloride (Cl) Concentration on Bening River in the Upper Area (0.031 me/l), in the Bening River Lower Area (0.051 me/l), in good quality. Boron (B) Concentration on Bening River in the Upper Area (0.005 mg/l), in the Bening River Lower Area (0.005 mg/l), in good quality.  Nitrate (NO3) concentrations in the Bening River in the Upper Area (0.147 me/l), in the Bening River Lower Area (0.179 mg/l), in the good category.  pH concentration in the Bening River in the Upper Area (8.19), in the Bening River Lower Area (7.55), in good quality.  The results of the analysis of Bening River water quality are still in good category or meet the requirements in accordance with the value of Irrigation Water Quality Standards Ayers and Wetscot, 1985.  Keywords:, Water Quality, Sungai Bening, Irigation Water.
Pengaruh Pemberian Mol Sabut Kelapa Terhadap Pertumbuhan Tanaman Sawi Pakcoy (Brassica rapa L.) Afif Ramadhana Danie; Diane D. Pioh; Rafli Kawulusan; Adeleyda M. W. Lumingkewas
COCOS Vol. 11 No. 3 (2019): EDISI JULI-SEPTEMBER 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v3i3.29636

Abstract

ABSTRACTSoil fertility is very necessary in the process of plant growth. This study aims to find theeffect of giving coconut fiber MOL to the growth of pakcoy mustard plants(Brassica Rapa L.). Thisresearch was conducted from December 2019 to February 2020 at the Greenhouse of the Faculty ofAgriculture, Sam Ratulangi University, Manado. The method used in this research is a CompletelyRandomized Design (CRD) method with 6 treatments that were repeated 3 times. The treatmentused consist of K: Control, P: Phonska 250 kg/ha, M25: Coconut fiber MOL solution 25% +phonska 250 kg/ha, M50: Coconut fiber MOL solution 50% + phonska 250 kg/ha, M75: Coconutfiber MOL solution 75% + phonska 250 kg/ha, dan M100: Coconut fiber MOL solution 100% +phonska 250 kg/ha. The results showed that the administration of coconut fiber MOL on thegrowth of mustard pakcoy plants in the concentration of coconut fiber MOL 75% + phonska 250kg / ha had an influence on plant height and for the concentration of coconut coir MOL 25% +phonska 250kg / ha had an influence on the number of leaves and weight wet even though thestatistical results show no significant difference.Keywords: Brassica rapa L., Solution, Coconut fiber MOL.
Serangan Parlatoria blanchardii Pada Beberapa Varietas Kurma (Phoenix dactylifera L) Di Pembibitan Mapanget Kabupaten Minahasa Utara Ricky A. Mangudisang; Jimmy Rimbing; Caroulus S. Rante; Adeleyda Lumingkewas
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.v6i6.30750

Abstract

ABSTRACTP. blanchardii is the major insect pest. Adult and nymph insects, suck nitrogen andmacro elements in leaves. In high-level attacks, P blanchardii causes major damage in the formof decreased P. blanchardii attacks causing date palms to cover a very thick leaf surface so thattranspiration, respiration and photosynthesis are disturbed, causing leaf wilt, inhibiting growthand reduction of mature tree yields and death of trees young. The research was carried out fromNovember 2019 to February 2020 at the Green House of Balit Palma Manado, North Sulawesi.The research method used was RAK with 7 treatments in the form of date varieties and 3replications. This research was conducted by means of quantitative descriptive data collectionmethods or primary data which was carried out directly in the field and saw firsthand P.blanchardii attacks on palm leaves. The things that were observed in this study were, symptomsof P. blanchardii pest attack on date palm leaves, attack on 5 leaflets and 10 leaflets, and 7varieties of date palm attacks per tree. The results showed that the percentage of attacks by P.blanchardii on dates was the highest attack on the Fard variety 55.41% and the lowest attackpercentage was the 9.32% Barhee variety. So it is necessary to do further research on P.blanchardii pests and also control using natural enemies against P. blanchardii pests on datepalms in Indonesia.Keywords: attacks, P. blanchardii, date palm variety
PENGARUH MATRICONDITIONING TERHADAP VIABILITAS DAN VIGOR BENIH KEDELAI YANG DISIMPAN DI RUANG TERBUKA Youlanda M. Udi; Stanley A. F. Walingkas; Adeleyda M.W. Lumingkewas
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.v1i1.32442

Abstract

ABSTRACKThis study aims to study the effect of matriconditioning on the viability and vigor of soybeanseeds stored in open spaces and to obtain the best type of media for the invigoration of soybean seeds,carried out in the new city sario sario in manado, for 3 (three) months from preparation to the completionof the research, namely in May to August 2020. The method used was a descriptive method, with 4 (four)treatments that were repeated 4 (four) times consisting of P1 (husk ash matriconditioning), P2 (red brickmatriconditioning that had been crushed), P3 (rubbing ash matriconditioning), P4 (fine sandmatriconditioning). The results showed that the matriconditioning treatment could increase the viability ofsoybean seeds in the parameters of germination, germination speed, sprouting height and root length. Ofall the matriconditioning treatments, the best material to increase the viability of soybean seeds is thematriconditioning treatment using mashed red bricks with a germination percentage of 84%, germinationspeed 16.8% / etmal, sprouting height of 7.5 cm and root length of 6 , 8 cm.Keywords: Soybean seed, Matriconditioning, Viability, Vigor
KAJIAN MUTU BENIH TANAMAN JAGUNG PULUT (Zea mays ceratina L.) DI KABUPATEN BOLAANG MONGONDOW Risky Sekoh; Selvie Tumbelaka; Adeleyda M.W Lumingkewas
COCOS Vol. 13 No. 1 (2021): EDISI JANUARI-MARET 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i2.32448

Abstract

ABSTRACTwaxy corn or glutinous corn is a special type of corn that has a delicious taste, is more savory, fluffier andsofter. Seed quality consists of three components, namely: physical quality, physiological quality, geneticquality. This study aims to determine and study the quality of waxy corn seeds in Bolaang MongondowRegency. The research was conducted in Manado. This research took place from September to October 2020.This experiment used a completely randomized design (CRD), with 3 (three) treatments, namely the source ofwaxy corn seeds from several villages in Bolaang Mongondow Regency consisting of treatment P1 = seedsfrom the village Treatment Threshold P2 = Seed from Pusian Village Treatment P3 = Seed from Insil Village.Each treatment was repeated 4 (four) times in order to obtain 12 experimental units. Result of the experimentshowed The waxy corn in Ambang Village has a different quality from the quality of the seeds from PusianVillage and Insil Village. The quality of seed in Desa Ambang was characterized by germination rate of 88%,vigor index of 79%, synchronous growth of 86% and germinating speed of 28.44% / etmal. The seed qualityof Pusian Village is characterized by germination rate of 99%, vigor index of 83%, synchronous growth of98% and germinating speed of 31.53% / etmal and Village of Insil which has 100% germination, vigor indexof 83%, synchronous growth of 99% and speed of germination of 31.86 % / etmal.Keywords: Seed Quality, Pulut Corn
Co-Authors Afif Ramadhana Danie Anni E. Tarore Caroulus S. Rante Diane D. Pioh Frangky J. Paat Hendra Yusuf Jimmy Rimbing MARTHA FERA DELLASTRADA GARING Melkison Sanggel Rafli Kawulusan Ricky A. Mangudisang Risky Sekoh Selvie Tumbelaka Selvie Tumbelaka Sofia Wantasen Sriwani Lamasrin Stanley A. F. Walingkas Veronica Ester Buge Youlanda M. Udi