Natural Science: Journal of Science and Technology最新文献

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Induksi Kalus Tanaman Kentang Dombu (Solanum tuberosum L.) Secara In Vitro Dengan Pemberian ZPT 2,4-D (Dichlorophenoxy Acetid Acid)
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13538
Siti Rlr Idris, Asri Pirade Paserang
{"title":"Induksi Kalus Tanaman Kentang Dombu (Solanum tuberosum L.) Secara In Vitro Dengan Pemberian ZPT 2,4-D (Dichlorophenoxy Acetid Acid)","authors":"Siti Rlr Idris, Asri Pirade Paserang","doi":"10.22487/25411969.2019.v8.i2.13538","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13538","url":null,"abstract":"This research was aimed to determine the effect of the PGR 2.4-D (Dichlorophenoxy Acetid Acid) in various concentrations on induceing callus of Dombu potato (Solanum tuberosum L.). This research was performed based on Completely Randomized Design (RAL) with 6 treatments and 3 times repetation, so there were 18 experiment units. Each experiment used 3 explants so as there were 54 explants. The combination of concentration of the tested PGR in the culture media were T1 = MS0+ 2.4-D 0 ppm (control), T2 = MS0+ 2.4-D 0.5 ppm, T3 = MS0+ 2.4-D 1 ppm, T4= MS0+ 2.4-D 1.5 ppm, T5 = MS0+ 2.4-D 2 ppm and T6 = MS0+ 2.4-D 2.5 ppm. The results showed that callus induction was appeared in the concentration of 1.0, 1.5, 2.0, and 2.5 ppm. Callus was generally formed on the Day-8 after plantation. Callus color was mostly greenish transparent, callus texture was mostly crumb type, and callus formation percentage was almost 100%. The best media for inducing the callus was in treatment T4 (1.5 ppm 2.4-D), it referred to the formed callus biomass","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133421971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Komposisi Jenis Udang Air Tawar di Sungai Batambean, Pulau Labobo, Banggai Laut, Sulawesi Tengah, Indonesia
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13540
Puji Rahayu, Annawaty Annawaty
{"title":"Komposisi Jenis Udang Air Tawar di Sungai Batambean, Pulau Labobo, Banggai Laut, Sulawesi Tengah, Indonesia","authors":"Puji Rahayu, Annawaty Annawaty","doi":"10.22487/25411969.2019.v8.i2.13540","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13540","url":null,"abstract":"Labobo isle is one of the satellite isle located around the mainland of Sulawesi Island. This study aims to determine the species composition of freshwater shrimp in the Batambean Stream located on Labobo Island, Banggai Laut, Central Sulawesi, Indonesia. A purposive sampling method based on the habitat of freshwater shrimps was applied to collect the shrimps. Measurement of abiotic environmental factors is carried out before samples collection. Furthermore, freshwater shrimp are collected using tray net and hand net. Collected specimens were preserved in alcohol 96%. The specimen wasidentified at the Laboratory of Animal Biosystematics and Evolution, Department of Biology, Faculty of Sciences, Tadulako University. The composition of freshwater shrimp species in the Batambean Stream consists of four species, namely Macrobrachium equidens, M. australe, and M. latidactylus and Caridina gracilipes. The first three species belong to the family Palaemonidae while the latter species is a member of the family Atyidae. The brief description and conservation status of each species  were also provided","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115009652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Jenis-Jenis Tumbuhan Suku Fabaceae, Subfamili Caesalpinioideae Di Areal Kampus Universitas Tadulako, Palu 塔杜拉克大学校园内的一种法巴塞亚植物,属盐藻科
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13542
R. Rahmita, Ramadanil Ramadanil, M. Iqbal
{"title":"Jenis-Jenis Tumbuhan Suku Fabaceae, Subfamili Caesalpinioideae Di Areal Kampus Universitas Tadulako, Palu","authors":"R. Rahmita, Ramadanil Ramadanil, M. Iqbal","doi":"10.22487/25411969.2019.v8.i2.13542","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13542","url":null,"abstract":"Research on the species of Plants of the Fabaceae Tribe Subfamili Caesalpinioideae at the area of Tadulako University Campus has been conducted from January to April 2019. This study aims to record, describe and determine the invasive status of plant species Fabaceae subfamili Caesalpinioideae. The research was based on botanical exploration method. The results showed there were 10 species from subfamily Caesalpinioideae including Acacia farnesiana (L.) Willd., Albizia saman (Jacq.) Merr., Caesalpinia pulcherrima (L.) Sw., Cassia javanica L., Delonix regia (Hook.) Raf., Desmanthus virgatus (L.) Willd., Leucaena leucocephala (Lam.) de Wit, Mimosa pigra L., Mimosa pudica L., Senna siamea (Lam.) H.S.Irwin & Barneby. Number of Species have been used as protective plants (5 species), as ornamental plants (2 species) and potentially as invasive species (3 species).","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115251554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Penerapan Metode Boosting Pada Cart Untuk Mengklasifikasikan Korban Kecelakaan Lalu Lintas Di Kota Palu 在车里使用booting方法来分类巴洛市的交通事故受害者
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13536
Luluk Susiana, I. T. Utami, J. Junaidi
{"title":"Penerapan Metode Boosting Pada Cart Untuk Mengklasifikasikan Korban Kecelakaan Lalu Lintas Di Kota Palu","authors":"Luluk Susiana, I. T. Utami, J. Junaidi","doi":"10.22487/25411969.2019.v8.i2.13536","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13536","url":null,"abstract":"Kota Palu sebagai ibu kota Provinsi Sulawesi Tengah dengan kecelakaan lalu lintas  yang cukup tinggi yang setiap tahunnya memiliki kematian sekitar 365 jiwa. Kecelakaan lalu lintas dipengaruhi oleh beberapa faktor, diantaranya jenis pelanggaran, jenis kecelakaan, dan lain-lain. Tujuan yang akan dicapai dalam penelitian ini adalah untuk menentukan ketepatan klasifikasi pada korban kecelakaan lalu lintas di Kota Palu dengan menggunakan metode boosting serta faktor-faktor yang mempengaruhinya. Hasil dari penelitian ini menunjukkan bahwa ketepatan klasifikasi metode boosting sebesar 82% dan  metode CART sebesar 77,9%. Hasil tersebut menunjukkan bahwa metode boosting dapat meningkatan tingkat akurasi. Sedangkan faktor-faktor yang mempengaruhi korban kecelakaan lalu lintas di Kota Palu adalah faktor jenis kecelakaan (X1), peran korban dalam kecelakaan (X4), jenis pelanggaran (X7) dan usia (X3) korban kecelakaan lalu lintas di Kota Palu.","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132383027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Metode Dekomposisi Multiplikatif Rata-rata Bergerak Untuk Peramalan Tingkat Produksi Padi Ladang Sulawesi Tengah 两种多变分解方法平均移动到苏拉威西中部水稻产量的水平
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13533
Faldi Christiawan Kadoena, Rais Rais, L. Handayani
{"title":"Metode Dekomposisi Multiplikatif Rata-rata Bergerak Untuk Peramalan Tingkat Produksi Padi Ladang Sulawesi Tengah","authors":"Faldi Christiawan Kadoena, Rais Rais, L. Handayani","doi":"10.22487/25411969.2019.v8.i2.13533","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13533","url":null,"abstract":"Field rice is a rice plants that is planted in a sedentary or shifting location. This study aims to forecast field rice production using the Multiplicative Decomposition method of moving average, and to determine the size of forecasting accuracy using Tracking signal, data used is the data from Central Sulawesi Province Field rice production in 2008-2016 obtained from the Agriculture Service of Central Sulawesi Province The research procedure is begun by analyzing the components of decomposition, namely the components of trend (T), seasonal (S), cyclic (C) and random components (I) then multiplies the value of these components. Forecasting results using the decomposition method helping by the Minitab 18 application in 2017 show that the pattern of the data contains a declining trend with the equation Yt = 1895.60 - 7.97 × t, and has a strong seasonal pattern with the expected pattern of data that increases or decreases in certain months such as March, April, August and December. The forecasting results obtained are at the control limit of Tracking signal which is between -4 to +4 that means the forecasting of rice production in the province of Central Sulawesi in 2017 using the moving average Multiplicative Decomposition method is valid","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133935646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Keanekaragaman Dan Kelimpahan Keong Air Tawar (Mollusca: Gastropoda) Di Sungai Pomua Palandu Dan Sungai Toinasa, Poso, Sulawesi, Indonesia
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13545
Rizki Ramadhana Takdim, Annawaty Annawaty
{"title":"Keanekaragaman Dan Kelimpahan Keong Air Tawar (Mollusca: Gastropoda) Di Sungai Pomua Palandu Dan Sungai Toinasa, Poso, Sulawesi, Indonesia","authors":"Rizki Ramadhana Takdim, Annawaty Annawaty","doi":"10.22487/25411969.2019.v8.i2.13545","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13545","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui keanekaragamaan dan kelimpahan jenis keong air tawar di Sungai Pomua Palandu dan Sungai Toinasa, yang merupakan inlet dari Danau Poso, Sulawesi Tengah. Penelitian dilakukan dari bulan Januari hingga Februari 2019. Sampel dikoleksi pada 6 stasiun menggunakan metode transek. Hasil identifikasi didapatkan 3 spesies dari dua famili yaitu Pachychilidae dan Thiaridae. Famili Pachychilidae terdiri dari 2 jenis yaitu Tylomelania toradjarum dan T. scalariopsis sedangkan famili Thiaridae terdiri dari 1 jenis yaitu Terebia granifera. Keanekaragaman keong air tawar yang diperoleh di Sungai Pomua Palandu tergolong rendah sedangkan di Sungai Toinasa tergolong sedang. Kelimpahan relatif yang tertinggi di Sungai Pomua Palandu dijumpai pada spesies Terebia granifera di hilir sungai dan di Sungai Toinasa pada spesies Tylomelania toradjarum yang juga di hilir sungai.","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"66 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116382482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Distribusi dan Preferensi Habitat Udang Air Tawar Caridina ensifera Schenkel, 1902 pada Dua Inlet Danau Poso, Sulawesi Tengah
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13531
N. Setiawati, Annawaty Annawaty
{"title":"Distribusi dan Preferensi Habitat Udang Air Tawar Caridina ensifera Schenkel, 1902 pada Dua Inlet Danau Poso, Sulawesi Tengah","authors":"N. Setiawati, Annawaty Annawaty","doi":"10.22487/25411969.2019.v8.i2.13531","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13531","url":null,"abstract":"The distribution and habitat preference of freshwater shrimps Caridina ensifera Schenkel, 1902 on two inlets of Lake Poso, Central Sulawesi have been studied. Freshwater shrimps samples was collected in two streams, namely the Pomua Palandu Stream and Toinasa Stream. The sampling station on each streams is divided into three locations based on the distance of the stream flow from its mouth at Lake Poso. Sampling is done by purposive sampling method using the tray net tool. The obtained samples were preserved using 96% alcohol and than identification was carried out at the Laboratory of Animal Biosystematic and evolution, Department of Biology, Tadulako University. The results showed that Caridina ensifera was only distributed in the lower reaches of the Pomua Palandu Stream and Toinasa Stream, having habitat preferences between plant roots that dangled into the water with rocky sand and sand substrates and very slow current speeds. According to von Rintelen and Cai (2009) Caridina ensifera is distributed in Lake Poso.","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123662815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Deskripsi Dan Habitat Mycalesis Perseus Fabricius, 1775 (Rhopalocera: Nymphalidae) Spesies Kosmopolitan Di Gunung Tompotika, Sulawesi
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13543
Cipta Afrilianti, Mihwan Sataral, Elijonnahdi Elijonnahdi, Fahri Fahri
{"title":"Deskripsi Dan Habitat Mycalesis Perseus Fabricius, 1775 (Rhopalocera: Nymphalidae) Spesies Kosmopolitan Di Gunung Tompotika, Sulawesi","authors":"Cipta Afrilianti, Mihwan Sataral, Elijonnahdi Elijonnahdi, Fahri Fahri","doi":"10.22487/25411969.2019.v8.i2.13543","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13543","url":null,"abstract":"This study aims to describe Mycalesis perseus Fabricius, 1775 and learn  its habitat in Mt. Tompotika, Sulawesi. This research was conducted in February-March 2019. The butterflies was collected by using purposive sampling method with sweeping techniques using insect net along the hiking trails. The character of M. perseus is explained by the head, thorax, abdomen and wings. Mycalesis perseus characterized by ocellion the wing which borders with the white line on the postdiscal forewing and hindwing sections. Mycalesis perseus was found in secondary forest habitats and cashew gardens at an altitude of 100-200 meters above sea level.","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121953984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deskripsi dan Preferensi Habitat Udang Air Tawar Macrobrachium rosenbergii (De Man, 1879) dari Sungai Maraja, Toli-Toli, Sulawesi Tengah
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.v8.i2.13539
Aswandi Aswandi, Annawaty Annawaty
{"title":"Deskripsi dan Preferensi Habitat Udang Air Tawar Macrobrachium rosenbergii (De Man, 1879) dari Sungai Maraja, Toli-Toli, Sulawesi Tengah","authors":"Aswandi Aswandi, Annawaty Annawaty","doi":"10.22487/25411969.2019.v8.i2.13539","DOIUrl":"https://doi.org/10.22487/25411969.2019.v8.i2.13539","url":null,"abstract":"Macrobrachium rosenbergii (De Man, 1879) is a freshwater prawn species that have a high economic value because of its relatively large size compared to the other freshwater prawn species. Exploration to find this species in the Maraja River, Toli-Toli, Central Sulawesi was carried out in January 2019. Sample collected using tray net. Two male specimens of M. rosenbergii were found in the river, with maximum size of carapace length reaching 45.94 mm. Macrobrachium rosenbergii has been found in habitats with clay substrate and slow flowing current. This record extended the distribution of M. rosenbergii, whose spread in Sulawesi has been known only in the southern part of the island, such as in Makassar, Bone, Pinrang, Wajo and Luwu. In this paper, the morphological characters and line drawing of some character M. rosenbergii from the Maraja River were provided.","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132808103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pemodelan IPM Di Kawasan Timur Indonesia Menggunakan Multivariate Adaptive Regression Spline (MARS)
Natural Science: Journal of Science and Technology Pub Date : 2019-08-29 DOI: 10.22487/25411969.2019.V8.I2.13532
A. N. Insany, Nur’eni Nur’eni, M. Fajri
{"title":"Pemodelan IPM Di Kawasan Timur Indonesia Menggunakan Multivariate Adaptive Regression Spline (MARS)","authors":"A. N. Insany, Nur’eni Nur’eni, M. Fajri","doi":"10.22487/25411969.2019.V8.I2.13532","DOIUrl":"https://doi.org/10.22487/25411969.2019.V8.I2.13532","url":null,"abstract":"Human Development Index (HDI) is an important issue in designing  and strategizing of sustainable development. Multivariate Adaptive Regression Spline (MARS) is a regression approach that produces models with continous character on knots. MARS models are determined based on trial and error for a combination of basis function (BF), maximum interaction (MI), and minimum observation (MO). The determination of knots is based on the minimum Generalized Cross Validation (GCV) value. The results of this study are the combination value of BF = 52, MI = 3, and MO = 2 with a minimum GCV of 0,00049. The factors that influence HDI are average school length (X2) per capita expenditure (X4), life expactancy (X3), persentage of poor woman aged 15-49 who use the birth control tool (X5).","PeriodicalId":399499,"journal":{"name":"Natural Science: Journal of Science and Technology","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115295319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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