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Marthen T. Lasut
Fak. Pertanian Unsrat

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Pengaruh pemupukan NPK terhadap pertumbuhan bibit jabon putih Anthocephalus cadamba (Roxb.) Miq. Sapsuha, Ramli; Thomas, Alfonsius; Lasut, Marthen T.; Rombang, Johanes A.
COCOS Vol 6, No 6 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.8043

Abstract

ABSTRACTInfluence fertilization of NPK to growth of Jabon Putih seeds Anthocephalus cadamba (Roxb.) Miq.This research studied the effect of NPK (15 : 15 : 15) on seedlings growth of Anthocephalus cadamba. The research used Randomized Block Design (RBD) with five treatments and five replications. Treatment A as a control, treatment B 0,25 g NPK/plan, treatment C 0,50 g NPK/plant, treatment D 0,75 g NPK/plant and treatmen E 1 g NPK/plant, given every two weeks for two months. Plant media of this research was soil, sand and chicken manure with ratio7 : 2 : 1 based on volume. The measured variables were crop height, crop bar diameter and the number of leaf. The results showed that the applications of NPK fertilizer on Jabon putih seedling gave significantly different result to the crop height accretion at firstand second weeks and for the crop bar diameter at seventh week and eighth week, while the number of seedling leaf of Jabon Putih was not significantly different. The growth of crop was better in treatment C comparing to the other treatments.Keyword : Jabon Putih, NPK 15 : 15 : 15
KELIMPAHAN JENIS SATWA LIAR DI TANJUNG BINEREAN KECAMATAN PINOLOSIAN TENGAH KABUPATEN BOLAANG MONGONDOW SELATAN Malir, Nicodemus; Lasut, Marthen T.; Tasirin, Johny S.
COCOS Vol 1, No 2 (2018)
Publisher : COCOS

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Abstract

Binerean cape retains a high biodiversity, including the diversity of wildlife species. This research aims to know the abundance of wildlife species using camera traps in South Bolaang Mongondow Regency. The data was taken using Bushnell trophy-cam and Reconyx camera traps. The results show that there are 15 species from 13 families of wildlife in Binerean Cape. The most abundant wildlife species is the macaques (Macaca nigra) at 65.3% with an encouter rate of 4.61 photos/days. It is followed by Sulawesi wild boar (Sus celebensis) with 13.5% abundance or 0.96 photos/day camera trapping. Third abundance is Sulawesi rats (Paroromys sp.) at 13.2% abundance and 0.93 photos/day. The lowest abundance at 0,1%  or less are common emerald doves (Chalcophaps indica), red-bellied pitta (Pitta erythrogaster), whitish dwarf squirre (Prosciurillus leucomus), common water monitors (Varanus salvator), dan red-backed thrush (Zoothera erythronota). Keyword: Headland Binerean, Animals Wild, Species diversity
FLORA POHON DI KAWASAN KAMPUS UNIVERSITAS SAM RATULANGI MANADO Tuidano, Edwan; Lasut, Marthen T.; Pangemanan, Euis F.S.; Nurmawan, Wawan
COCOS Vol 7, No 3 (2016)
Publisher : COCOS

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Abstract

ABSRACTThis research has been conducted in the area of Sam Ratulangi University Campus for 2 months, from October to November 2014. This study aims to determine the number of tree species, distribution, and make key identification. The research used the census method. The trees that have been observed have a trunk diameter of over are 10 cm. The morphological observation was made in the roots, trunk, branches, leaves, fruits, and seeds.roots, stems, branches, leaves, flowers, fruits, and seeds. From the observation was found 80 species of trees.Keywords: Flora, Tree, Identification Key.
PENGARUH PUPUK DAUN DAN NAUNGAN TERHADAP PERTUMBUHAN BIBIT GAHARU Gyrinops verstegii (Gilg) Domke DI BAWAH CEKAMAN AIR. Mentang, Anggreine H.; Rombang, Johan A.; Lasut, Marthen T.; Thomas, Alfonsius
COCOS Vol 7, No 3 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i3.12152

Abstract

ABSTRAKThis research aims to know the influence of leaf fertilizers and shade on the growth ofGyrinops verstegii (Gilg) Domke under water stress. This research was conducted in the greenhouse of Faculty of Agriculture, University of Sam Ratulangi Manado, from June to August2013. Spit plot design is used in this research. Shade as main plot consists of two levels,namely: 1 layer of paranet N1 (light intensity ± 40%) and 2 layers of paranet N2 (lightintensity ± 16%). Doses of fertilizer as sub-plot consists of 3 levels: P0 as a control (nofertilizer), P1 0.012 g/plant and P2 0.024 g/plant. The fertilizer was given every week for 2months. The effects of both shading and fertilizer treatments were not significant on plantheight and stem diameter under water stress.Keywords: Gyrinops verstegii, water stress.
PERTUMBUHAN Gyrinops caudata (Gilg) Domke PADA LAHAN DENGAN KEDALAMAN MUKA AIR TANAH YANG BERBEDA Selpia, Habdi; Rombang, Johan A.; Lasut, Marthen T.; Kalangi, Josephus I.
COCOS Vol 6, No 11 (2015)
Publisher : COCOS

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Abstract

ABSTRACT   This research studiet the growth of Gyrinops caudata on land with tho different ground water depths, around 45 - 50 cm below soil surface at A location  and 90 - 98 cm below surface at B location.  The method used in this study was a comparative method and the determination of plant samples was carried out in accordance with the purpose of the research (purposive sampling).  The measured variables were trunk diameter and the height of free branch trunk.  The number of samples measured in this study were 6 (six) trees, three (3) trees in A location and three (3) trees in B location. Trunk diameter was measured using a measuring tape at a height of 30 cm from the ground and the free branch trunk height was measured from the ground up to the first branch.  Measurements were carried out once a month in one year.  The results showed that increments in the trunk diameter and the free branch trunk height at B location were greater than at A location. Keywords: Growth Gyrinops caudata, Agarwood, Agarwood tree, Growth Rate.
PENGARUH FREKUENSI PEMBERIAN AIR TERHADAP PERTUMBUHAN BIBIT JABON MERAH (ANTHOCEPHALUS MACROPHYLLUS (ROXB.) HAVIL) Jafar, Sukarman Hi.; Thomas, Alfonsius .; Kalangi, Josephus I.; Lasut, Marthen T.
COCOS Vol 2, No 2 (2013)
Publisher : COCOS

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Abstract

ABSTRACTFrequency Effect on growth of seedlings water provision jabon Red (Anthocephalus Macrophyllus (Roxb.) Havil)The supply of water to the seeds of red jabon can enhance plant growth. In this research studied the effect of watering frequency on growth jabon water red. This study was conducted in Greenhouse Silviculture Faculty of Agriculture, University of Sam Rarulangi which runs from August s / d in October 2012. The purpose of this study was to determine the intensity of a good watering the seedlings growth jabon red. This study used an experimental method completely randomized design (CRD) with 4 treatments and 6 replications. Treatment A Watering the first time (600 cc), B is watering 2 times (300 cc), C is watering 3 times (200 cc) and D is Watering 4 times (150 cc). Growing media used in this study are basic media such as soil, sand and chicken manure with a ratio of 7: 2: 1. The parameters measured were plant height, diameter, leaf number, root volume, dry crown weight, temperature and humidity.The results showed that there is an influence on the frequency of watering is water height growth, diameter, number of leaves, root volume and dry weight of seedlings jabon red canopy. Watering 2 times a day (300 cc), can provide good results in high growth, diameter, number of leaves and dry weight of the canopy. While the root volume parameter, watering 4 times a day (150 cc) gives good results.
Struktur Dan Komposisi Vegetasi Mangrove Di Pulau Mantehage Putro, Elok S.; Tasirin, Johny S.; Lasut, Marthen T.; Langi, Martina A.
COCOS Vol 6, No 5 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i5.7723

Abstract

ABSTRACTThis research was carried out from December 2012 to February 2013 at Mantehage Island. This research was aimed to describe the structure and composition mangrove vegetation at Mantehage Island. Mangrove ekosistem at Mantehage Island divided into seven segments according to the characteristic of the island. The methods used are plot sampling on systematic line. The results showed that mangrove in Mantehage concist of eleven species: Avicennia officinalis, Bruguiera gymnorrhiza, Bruguiera parviflora, Ceriops tagal, Excoecaria agallocha, Lumitzera littorea, Rhizophora apiculata, Rhizophora mucronata, Scyphiphora hydrophylla, Sonneratia alba, and Xylocarpus moluccensis. The highest importance value for tree were Bruguiera gymnorrhiza (97.33%), and Rhizophora apiculata (89.59%), for pole were Rhizophora apiculata (123.50%), and Rhizophora mucronata (70.59%), for sapling was Rhizophora apiculata (80.40%), and for seedling were Rhizophora apiculata (56.98%) and Bruguiera gymnorrhiza, (52.52%). At trees stratum, the segment D and E possessed higher species composition than other segments. The highest of frequency of occurance for trees were Bruguiera gymnorrhiza and Rhizophora apiculata.Key Words: Structure, Composition, Mangrove
PEMANFAATAN TUMBUHAN OBAT OLEH SUKU MANGE DI KECAMATAN TALIABU UTARA KABUPATEN PULAU TALIABU PROVINSI MALUKU UTARA Usaha, Yusri La; Pangemanan, Euis F.S.; Lasut, Marthen T.
COCOS Vol 1, No 5 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i5.16615

Abstract

ABSTRACTTraditional medicine has long been known by our ancestors since time immemorial. The utilization of medicinal plants by Mange tribe especially those whose raw materials come from nature has long been known and this knowledge has been passed down from generation to generation. This research has been conducted in April - May and November 2016 with the aim to know the types and ways of utilizing medicinal plants. Data were collected through direct interviews of Batra (traditional healers) and field observations. The results showed that 40 species of plants from 29 families were used as medicine by boiling, given directly, taken without boiling and in the form of potion.Keywords: Traditional healers, medicinal plants, Mange tribe.
DAERAH JELAJAH DAN PERILAKU MACACA NIGRA DI KAWASAN SUAKA MARGA SATWA MANEMBO NEMBO Yakseb, Adha; Tasirin, Johny S.; Lasut, Marthen T.
COCOS Vol 1, No 3 (2019)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.24355

Abstract

ABSTRACT Macaca nigra is one of seven species spread on the island of Sulawesi. Macaca nigra has experienced a decline in population due to widespread hunting and habitat loss, so Macaca nigra is now listed as endangered. Knowledge of the home range and population of Macaca nigra in the Manembo nembo Wildlife Reserve is one of the important elements in the management of the Wildlife Sanctuary. The study was conducted in the Manembo-nembo Wildlife Sanctuary. Tomabariri District, Minahasa. The study took place in September 2018. The research method was carried out by observing one Macaca nigra group continuously throughout the day. The results of the study showed that the Macaca nigra group at the study site were 26 individuals. Macaca nigra has a specific home range The population of Macaca nigra observed having roaming rotation only takes 1 day. The Macaca nigra group observed explored an area of 23.36 ha. The trip of the Macaca nigra group in one rotation ranged from 0.28-23.36 ha from the total observations for 14 days and the Macaca nigra group in the Manembo Nembo Wildlife Sanctuary had three sleeping trees and had 7 species of feed plants which became the highest preference was Ficus benjamina and Dracontomelon dao (32.1%). The type of tree is using for sleeping tree is Ficus benjamina, Dracontomelon dao, and Pterocapus indicus.
PERTUMBUHAN GRYNOPS VESTEEGI (GIIL) PADA BERBAGAI DOSIS PUPUK ORGANIK CAIR G-TONIK Kogoya, Timur; Lasut, Marthen T.; Rombang, Johan A.
COCOS Vol 7, No 2 (2016)
Publisher : COCOS

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Abstract

ABSTRACTThe study of the growth of Gyrinops vesteegii (Giil) plant by applying various doses of G-tonic liguid organic fertilizer had been carried out in the Greenhouse of the Faculty of Agriculture, University of Sam Ratulangi Manado.The purpose of this study is to find out the effect of various doses of liguid organic fertilizer on the growth of the Gyrinops vesteegii plant. This study is conducted by using Randomized Complete Block Design ( RCBD) with 5 treatments and 5. Replications each replication consists of one plant. The treatments applied were P1 (Control, without fertilizer), P2 0.125 cc of G ? tonic liguid organic fertilizer given every application. P3 0,25 cc, P4 0,375 cc, and P5 0,500 cc. The variables observed were the increase of plant,s height as well as of stalk diameter. The data obtained will be analyzed by using Analisisv of Variance (anova) at 5% level.The result of the study showed that the application of G-tonic liguid organic fertilizer to Gyrinops vesteeglii plant seedling did not have significant effect on the increase of plant,s height and stalk,s diameter. This is due to the liguid organic fertilizer did not have yet effect toward the Gyrinops vesteeglii plant seedling in a period of 35