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Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Published by Universitas PGRI Palembang
ISSN : 1829586X     EISSN : 25810170     DOI : -
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Mathematics Physics
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam with registered number ISSN 1829 586X (print) and ISSN 2581-0170 (online) is a scientific journal managed and published by Faculty of Mathematics and Natural Science, Universitas PGRI Palembang. Sainmatika Journal publishes research articles from laboratory or field experiment as well as theoretical and elaborative research in field of Basic Sciences; Mathematics, Chemistry, Physics and Biology. This journal accepts articles in Indonesian or English. This journal is published twice a year in June and December.
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Articles 13 Documents
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Search results for , issue "Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam" : 13 Documents clear
Identifikasi Ektoparasit Ikan Patin Siam (Pangasius hypopthalmus) pada Kelompok Pembudidaya Ikan di Sungai Ogan Kabupaten Ogan Ilir Bayumi Bayumi; Indah Anggraini Yusanti; Syaeful Anwar; Rahma Mulyani
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5353

Abstract

Tujuan penelitian ini untuk mengidentifikasi jenis ektoparasit, menentukan nilai prevalensi dan intensitas serangan ektoparasit pada ikan patin siam (Pangasius hypopthalmus). Penelitian ini menggunakan metode observasi dengan teknik pengambilan sampel secara Purposive Sampling dengan sampel ikan total sebanyak 90 ekor pada 3 stasiun dan 9 sub stasiun ulangan. Penelitian ini dilaksanakan pada Bulan April sampai Mei 2018 bertempat di 3 Kelompok Pembudidaya Ikan yaitu Mina Kecapi, Sepakat dan Sumber Makmur yang berada pada  aliran Sungai Ogan Kabupaten Ogan Ilir. Identifikasi sampel dilakukan di Balai Karantina Ikan, Pengendalian Mutu dan Keamanan Hasil Perikanan Kelas II Palembang. Hasil pengamatan ektoparasit di dapat dua jenis ektoparasit yaitu Dactylogyrus sp dan Trichodina sp.  Tingkat prevalensi ektoparasit Dactylogyrus sp pada Stasiun 1 sebesar 63.33%,  stasiun 2 sebesar 76.66 %  dan stasiun 3 sebesar 56.66 %.  Sedangkan prevalensi ektoparasit Trichodina sp pada stasiun 2 sebesar 6.66% pada insang dan 16.66% pada kulit atau lendir. Untuk nilai intensitas Dactylogyrus sp  pada ikan Patin Siam (Pangasius hypopthalmus) di stasiun 1 sebesar 4.8 ind/ekor, stasiun 2 sebesar 6.86 ind/ekor dan stasiun 3 sebesar 4.3 ind/ekor dan  Trichodina sp stasiun 2 adalah 16 ind/ekor bagian insang dan 45 ind/ekor bagian kulit atau lendir.
Keanekaragaman Hama dengan Kultur Teknis Berbeda Pada Lahan Mentimun (Cucumis Sativus) Di Desa Tanjung Seteko, Indralaya Utara, Kabupaten Ogan Ilir, Sumatera Selatan Arsi Arsi; Rahmatul Khaira; Suparman SHK; Bambang Gunawan; Yulia Pujiastuti; Harman Hamidson; Septian Imam Nugraha; Lailatturahmi Lailatturahmi
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5846

Abstract

There are many types of vegetables that are nutritious for health and metabolism, including cucumbers. Cucumbers are included in the vegetable category because cucumbers are often used as fresh vegetables or pickles. Cucumber cultivation is inseparable from pests and diseases. Pest management efforts must be carried out based on consideration of ecosystem stability. One of the techniques for controlling pests in cucumber plants can be done with technical culture. The research practice aims to determine the effect of technical culture on the diversity of pest types, population and intensity of cucumber pest attacks on two different fields in Tanjung Seteko Village, Inderalaya. The research was conducted with a sampling method to determine the population, intensity and pest attack. The research was carried out on two different fields of age and variety. Data analysis was performed using the t test at the 5% confidence level. Pests found in cucumber fields, namely, Aulacophora sp., Succinea sp., Valanga sp., And Leptoglossus sp. Based on observations in the field, technical culture in the village of Tanjung Seteko has a significant effect on the population and intensity of the attack of Succinea sp., Valanga sp. and Leptoglossus being Aulachopora sp. no significant effect.
Studi Etnobotani Tumbuhan Obat Di Desa Perajen Kecamatan Banyuasin I Kabupaten Banyuasin Trimin Kartika; Syaiful Eddy; Rezki Khairani
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5188

Abstract

Research on Plant Ethnobotany Study in Perajen Village, Banyuasin 1 District, Banyuasin Regency, was conducted from June to July 2020. The research objective was to analyze the types of plant ethnobotany with medicinal properties and plant parts used as medicine. The study used a descriptive survey method with direct observation in the field. The method used was descriptive exploratory with interviews and field identification. The results showed that the types of medicinal plants from the spermatophyte division consisted of 2 classes, 15 orders, 17 families, 22 genera and 22 species, 49 types of diseases treated by medicinal plants, utilization of plant parts that are often used as traditional medicines by the community. Perajen Village in ethnobotany, namely leaves of 13 species of plants (35.1%), flowers, fruit, seeds, rhizomes, and roots of 3 species each (8.1%), stems, bark, sap, 2 species each. (5.4%), while the least used by the community is gel, water, tubers for each 1 species (2.7%), processing plant parts as medicine is often done by boiling.
Pembuatan Virgin Coconut Oil (VCO) dengan Cara Fermentasi di Desa Gunung Megang Kecamatan Gunung Megang Muara Enim Ita Emilia; Yunita Panca Putri; Dewi Novianti; Melly Niarti
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5679

Abstract

ABSTRACT Processing of coconut fruit in Gunung Megang Village, Gunung Megang Muaraenim District aims to produce pure oil or Virgin Coconut Oil (VCO) which is the result of processed fresh coconut fruit by fermentation without going through a heating process, no additional chemicals, dyes, and preservatives so that it can survive. as vegetable oil. The method in this research is experimental. The results showed that making VCO using 2 coconuts produced 100 ml of VCO while VCO using 3 coconuts produced 300 ml of pure oil. It is hoped that the use of coconut fruit is not only sold in the form of unprocessed fruit but coconut fruit can be processed into pure oil or Virgin Coconut Oil and can be developed more broadly through village entrepreneurship programs so as to increase people's income, especially the people of Gunung Megang Village. Keywords: virgin coconut oil, fermentation, gunung megang village 
Perbandingan Metode Propensity Score Matching- Support Vector Machine dan Propensity Score Matching-Regresi Logistik Biner Pada Kasus HIV/AIDS Silviatul Hasanah; Bambang Widjanarko Otok; Adeni - Adeni
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.4925

Abstract

Penelitian non-experimental dapat dilakukan diberbagai bidang salah satunya bidang kesehatan. Dalam bidang kesehatan Randomized Controlled Trials (RCT) tidak dapat dilakukan karena berhubungan dengan nyawa manusia. Kovariat pada penelitian non-experimental biasanya tidak seimbang antara kelompok treatment dan kontrol. Ketidakseimbangan ini menyebabkan estimasi efek perlakuan menjadi bias. Selain itu, adanya variabel confounding juga mengakibatkan estimasi efek perlakuan bias. Metode yang sesuai untuk mengatasi efek perlakuan yang bias adalah metode  Propensity Score (PS). Salah satu metode yang dikembangkan dari propensity score adalah metode Propensity Score Matching (PSM). Pada penelitian ini, peneliti akan membandingkan performa metode propensity score matching-support vector machine dan metode propensity score matching-regresi logistik biner pada kasus infeksi oportunistik HIV/AIDS. Variabel confounding yang digunakan dalam penelitian ini adalah variabel infeksi oportunistik. Data yang digunakan dalam penelitian ini adalah data pasien HIV/AIDS yang di rawat di Puskesmas Grati, Kabupaten Pasuruan pada tahun 2016. Hasil analisis propensity score matching-support vector machine dan metode propensity score matching-regresi logistik biner menunjukkan bahwa variabel pemberian terapi ARV berpengaruh secara signifikan terhadap infeksi oportunistik pada pasien HIV/AIDS. Jika dilihat seberapa bias yang dapat tereduksi, propensity score matching-regresi logistik biner mampu mereduksi bias lebih besar dibanding metode propensity score matching-regresi logistik biner yaitu sebesar 60,25%. Namun, metode propensity score matching-support vector machine dapat menghasilkan nilai bias (setelah matching) yang lebih kecil dibanding metode propensity score matching-regresi logistik biner yaitu sebesar 0,044.
Metode Classification And Regression Trees Untuk Menentukan Faktor Yang Mempengaruhi Produksi Budidaya Ikan Lele Yulia Puspita Sari; Lia Perwita Sari; Destiniar Destiniar
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5267

Abstract

Permintaan terhadap Ikan Lele di Kota Palembang semakin meningkat, namun pada tahun 2013 produksi Ikan Lele di Kota Palembang sebesar 3.038,1 ton, mengalami penurunan pada tahun 2014, yakni hanya sebesar 2983,6. Hal ini merupakan suatu peluang besar bagi pembudidaya untuk meningkatkan produksi. Mengetahui faktor-faktor apa saja yang mempengaruhi produksi merupakan salah satu cara untuk meningkatkan produksi. Penelitian ini bertujuan untuk mengetahui faktor apa saja yang berpengaruh terhadap produksi budidaya Ikan Lele di Kota Palembang menggunakan metode Classification And Regression Tree. Hasil penelitian diperoleh pohon regresi yang terdiri dari variabel luas lahan, pengalaman, dan pendidikan terakhir yang berpengaruh terhadap produksi budidaya Ikan Lele. Sedangkan hasil pohon klasifikasi diketahui variabel luas lahan, pengalaman, jenis pakan dan status budidaya yang berpengaruh terhadap produksi budidaya Ikan Lele di Kota Palembang.
Keanekaragaman Kupu-kupu (Lepidoptera: Rhopalocera) di Desa Pulau Panas Kecamatan Tanjung Sakti Pumi, Lahat, Sumatera Selatan. Milatun Nikmah; Zazili Hanafiah; Indra Yustian
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5615

Abstract

This study aims to determine the diversity of butterflies in protected forest of Pulau Panas Village, Tanjung Sakti Pumi, Lahat, South Sumatra. The research was conducted in October – November 2020. The research sites were three different types of habitat, namely primary forest, riverbanks, and transitional or ecotone area of forests and plantations. Data collection uses exploration or roaming techniques following a 300-meter-long path with a width of 2 m to the right and 2 m to left in each habitat type using insect nets. The results obtained 61 species of butterflies (Lepidoptera: Rhopalocera) belonging to 5 families (8 species of Papilionidae, 11 species of Pieridae, 33 species of Nymphalidae, 3 species of Hesperiidae and 6 species of Lycaenidae). The highest diversity (Shannon index) is in primary forest habitat with H'= 3.67; followed by transitiononal forest and plantation areas with H' = 3.62, while the lowest diversity index is riverbanks with H'= 3.24. The evennes index of the species is almost the same (E>0.9). The highest species richness was found in primary forest (Dmg: 9.75). Protected butterfly species (according to the Decree of Ministry of Environment and Forestry No. 106 year 2018) found in this study is Troides helena.Keywords: diversity, lepidoptera, protected forest, rhopalocera, south sumatra
Aktivitas Pelapukan Kayu Inokulum Ganoderma boninense pada Tumpangsari Bibit Kelapa Sawit dan Talas-Talasan Monica Alesia; Suwandi Suwandi; Suparman Suparman
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5737

Abstract

Basal stem rot of oil palm caused by Ganoderma boninense is difficult to be controlled due to abundance of inoculum sources in the field. This study was aimed to determined effects of taro plants viz. Belitung taro (Xanthosoma sagittifolium), Bogor taro (Colocasia esculenta), and Japanese taro (Colocasia esculenta var. antiquorum) on decay of G. boninense inocula. Pathogen inocula as rubber wood block (RWB) colonized by G. boninense was attached with main roots of oil palm seedling and buried into soil of oil palm seedling (monoculture), mixed planting of oil palm and taro plants, or of taro plants monoculture. Burying of pathogen inocula for 3 and 6 months on taro plant resulted in 2.1 times higher decay of RWB compared than oil palm monoculture. Increasing of decay also exhibited on mixed cropping system, but it was slightly lower than on oil palm monoculture. This result suggesting the benefit of taro plants either planted under monoculture or mixed cropping to fasten decomposition of infected wood debris as an inoculum source of G. boninense.
Uji Potensi Antikanker Ekstrak Tiga Spesies Tanaman Sansevieria Dengan Metode Brine Shrimp Lethality Test Abdul L Mawardi; Tri Mustika Sarjani; Eka Riana S.Pandia
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.4639

Abstract

Indonesia has the potential for abundant natural resources including medicinal plants that have anticancer activity. The aim of this study is to determine the anticancer potential of three Sansevieria plant species extracts using the Brine Shrimp Lethality Test Method. This research is an experimental research method by invitro. Anticancer potency test using the BSLT method on extracts of three species of  lidah mertua leaves consisting of Sansevieria trifasciata, Sansevieria tiger green, and Sansevieria Zeylanica. The results showed that the three species of Sansevieria have potential as anticancer, but the most potential as an anticancer is Sansevieria tiger Hijau because it is very toxic with an LC50 value of 29.646 ppm. 
Pengaruh Tumpangsari dengan Tanaman Rimpang Terhadap Infeksi Awal Ganoderma boninense pada Bibit Kelapa Sawit (Elaeis guineensis) Rudi Putra Munandar; Suwandi Suwandi; Suparman Suparman
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 18 No. 1 (2021): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v17i3.5738

Abstract

Basal stem rot (BSR)  caused by white decay fungus, Ganoderma boninense is known to cause significant losses in oil palm plantation in Southeast Asia. This study determined the effect of oil palm mixed planting with rhizomatous plants, galangal (Alpinia galangal), Java curcumin (Curcuma longa), or ginger (Zingiber officinale) on initial infection of BSR. Plants were inoculated by attachment of rubber wood block colonized with G. boninense to the main roots. Infection was measured as length of root necrosis and confirmed by culturing on Ganoderma selective medium. Infection was also assessed by total activity of ligninase as measured by RBBR decolorization. The results showed that G. boninense infection at 1-month-post inoculation was lower on mixed planting with all rhizomatous plants, and the suppression of infection was still occured in mixed planting with galangal. Total activity of ligninase on oil palm roots was delayed on mixed planting compared to that of higher activity on single planting at 1-month-post inoculation. This result highlights benefit of mixed planting of oil palm with  rhizomatous plants in delaying initial infection of BSR patogen.

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