Articles

Pengaruh penggunaan saponin dan serbuk bijik pinang terhadap mortalitas keong mas (Pomacea canaliculata L.) dan keamanan ikan lele Faisal, Sayed; Husni, Husni; Sapdi, Sapdi
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Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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This study aims to determine the effect of the application of saponin and betel nut powder on mortality snails and safety of aquatic biota. The design used in this study is a non-factorial completely randomized design that Consist 10 treatments with 3 replications, so there are 30 experimental units. Variables measured included: 1). The percentage rate of consumption of snails, 2). Mortality of snails, 3). Time of death snails, 4). Mortality catfish,  5). Time of death catfish. Based on the observations of all variables that include the percentage rate of consumption of snails, snails mortality, time of death snails, catfish mortality, time of death catfish can be said that the use of saponins and betel nut powder at the lowest dose has caused mortality of snails up to 100%. While the use of saponin with doses ≥ 0.375 g tub-1 will result in the death of catfish ≥ 47.67%, while the application of betel nut powder with doses ≥ 6 g tub-1 will result in the death of catfish ≥ 43.33%. Lower its high mortality rate affecting the percentage of consumption, the average percentage of time of death.
PERBANDINGAN METODE ENHANCED CONFIX STRIPPING DAN PORTER STEMMER UNTUK STEMMING KONTEN BAHASA INDONESIA Alif, Muhamad; Solihin, Firdaus; Husni, Husni
Jurnal Buana Informatika Vol 4, No 2 (2013): Jurnal Buana Informatika Volume 4 Nomor 2 Juli 2013
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jbi.v4i2.333

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Abstract. In Indonesian, there are many existing methods of stemming; among others are ECS and Porter.  However, the advantages and disadvantages of both methods are not yet known. To find out which one of the stemmers is more effective and efficient it requires us to compare the effectiveness of both methods. This research compares and evaluates two Indonesian stemmers, ECS and the porter. Trial research documents are taken from Talaâ??s research as many as 50, 100 and 300. In evaluating 50 documentâ??s, ECS is able produce 82% with elapsed time of 6.781 seconds and porter only produces 61% with elapsed time of 0.0148 seconds. In evaluating 100 documentâ??s, ECS produces 81% with elapsed time of 11.8311 seconds, while the porter only 61% with elapsed time of 0.0291 seconds.  While in trying 300 documentâ??s, ECS produces 81% with elapsed time of 11.8311 seconds and porter is only able produce 61% of with elapsed time of 0.0291 seconds. Keywords: Stemming, Enhanced Confix Stripping, Porter stemmer Abstrak. Dalam Bahasa Indonesia, banyak metode stemming yang sudah ada, salah satunya yaitu ECS dan Porter. Namun, belum diketahui kelebihan dan kekurangan kedua metode tersebut. Untuk mengetahui stemmer mana yang lebih efektif dan efisien, diperlukan perbandingan efektifitas pada kedua metode. Penelitian ini membandingkan dan mengevaluasi dua stemmers Bahasa Indonesia, ECS dan porter. Dokumen uji coba diambil dari penelitian Tala yang berjumlah 50, 100 dan 300. Pada uji coba 50 dokumen, ECS mampu menghasilkan 82% dari total kata dengan kecepatan 6,781 detik dan porter hanya menghasilkan 61% dengan kecepatan 0,0148 detik. Uji coba 100 dokumen, ECS telah mampu menghasilkan 81% dengan kecepatan 11,8311detik, sedangkan porter hanya  menghasilkan 61% dengan  kecepatan 0,0291 detik. Uji coba 300 dokumen, ECS telah menghasilkan 81% dengan kecepatan 11,8311 detik dan porter hanya mampu menghasilkan 61% dengan kecepatan 0,0291 detik.Kata Kunci: Stemming, Enhanced Confix Stripping, Porter stemmer
Perbandingan Profil Lipid pada Daerah Terpapar dan Tidak Terpapar Emisi PT Semen Padang Chicamy, Yoshie Anto; Yaswir, Rismawati; Husni, Husni
Jurnal Kesehatan Andalas Vol 8, No 2 (2019)
Publisher : Fakultas Kedokteran Universitas Andalas

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Industri semen menghasilkan polutan udara yang berbahaya bagi kesehatan. Polutan seperti Particulate Matter (PM) dapat memengaruhi metabolisme lipid melalui mekanisme stres oksidatif, disfungsi endotel, dan inflamasi sehingga meningkatkan kadar kolesterol total, kolesterol low density lipoprotein (LDL), trigliserida, dan penurunan kolesterol high density lipoprotein (HDL). Tujuan penelitian ini adalah membandingkan profil lipid penduduk daerah terpapar dengan tidak terpapar emisi debu pabrik PT. Semen Padang. Penelitian ini merupakan studi analitik dengan rancangan potong lintang terhadap profil lipid masyarakat yang tinggal di daerah terpapar dan daerah tidak terpapar emisi debu pabrik, mulai bulan Juni 2015 sampai September 2016. Analisis statistik menggunakan uji t terhadap data berdistribusi normal, dan uji Mann- Whitney terhadap data berdistribusi tidak normal. Bermakna secara statistik apabila nilai p < 0,05. Sampel penelitian sebanyak 96 orang pada daerah tepapar dan 93 orang pada daerah tidak terpapar. Rerata profil lipid pada daerah terpapar: kadar kolesterol total 177,7 ± 40,1, mg/dL, kolesterol LDL 107,9 ± 34,3 mg/dL, kolesterol HDL 50,7 ± 11,3 mg/dL dan trigliserida 95,9 ± 42,6mg/dL. Pada daerah tidak terpapar: kadar kolesterol total 187,7 ± 46,4, mg/dL, kolesterol LDL 118,5 ± 39,6 mg/dL, kolesterol HDL 48,7 ± 9,9 mg/dL dan trigliserida 100,9 ± 55,8 mg/dL. Profil lipid kedua kelompok tidak menunjukkan perbedaan bermakna (p>0,05). Tidak berbeda kadar profil lipid daerah terpapar dengan daerah tidak terpapar.
TINGKAT PARASITISASI BERBAGAI PARASITOID TELUR NEZARA VIRIDULA L. PADA TANAMAN KEDELAI Jauharlina, Jauharlina; Husni, Husni; Mailina, Bintra
Jurnal Agrista 2008: Edisi Khusus Nomor 1 November 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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The Parasitism Level of Various Egg Parasitoids Associated with Nezara viridula L. on Soybean PlantationABSTRACT. It is well known that the presence of various egg parasitoids on the green stink bug, Nezara viridula, can decrease the population of this insect pest on soybean plantation. A research has been conducted to observe the parasitism level of various egg parasitoids associated with N. viridula on different stages of soybean plantation. The plant stages used were 4-5, 6-7, 8-9, and 10-12 weeks after planting (WAP), with 6 experimental plot for each stage, and 5 plants for each experimental unit. Three pairs of N. viridula adult then were relased onto each plant which was covered by the gauze cage earlier. When egg were laid, the cage was taken out leaving 2 eggs rafts per plant. These N. viridula eggs then were exposed to parasitoid for three days, before taking them all to the laboratory. The observations were done on the parasitized eggs. The result showed that different stages of soybean plants significantly affected the parasitism level of various egg parasitoids, with 26 to 46% parasitism level. Up to 71.8% of parasitize egg successfully became adult parasitoids. There were four different Hymenoptera egg parasitoids found associated with N. viridula, namely Telenomus sp. (Scelionidae), Gryon sp. (Scelionidae), Mycroteris sp. (Encyrtidae), and Anastatus sp. (Eupelmidae). Due to its abunden (91.5%) on soybean plantation, and its fair sex ratio, Telenomus sp.is believed to have a great potential for future development as a biological control agent on the green stink bug, N. viridula.
Perbandingan Metode Enhanced Confix Stripping dan Porter Stemmer Untuk Stemming Konten Bahasa Indonesia Alif, Muhamad; Solihin, Firdaus; Husni, Husni
Jurnal Buana Informatika Vol 4, No 2 (2013): Jurnal Buana Informatika Volume 4 Nomor 2 Juli 2013
Publisher : Universitas Atma Jaya Yogyakarta

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Abstract

Abstract. In Indonesian, there are many existing methods of stemming; among others are ECS and Porter.  However, the advantages and disadvantages of both methods are not yet known. To find out which one of the stemmers is more effective and efficient it requires us to compare the effectiveness of both methods. This research compares and evaluates two Indonesian stemmers, ECS and the porter. Trial research documents are taken from Tala’s research as many as 50, 100 and 300. In evaluating 50 document’s, ECS is able produce 82% with elapsed time of 6.781 seconds and porter only produces 61% with elapsed time of 0.0148 seconds. In evaluating 100 document’s, ECS produces 81% with elapsed time of 11.8311 seconds, while the porter only 61% with elapsed time of 0.0291 seconds.  While in trying 300 document’s, ECS produces 81% with elapsed time of 11.8311 seconds and porter is only able produce 61% of with elapsed time of 0.0291 seconds. Keywords: Stemming, Enhanced Confix Stripping, Porter stemmer Abstrak. Dalam Bahasa Indonesia, banyak metode stemming yang sudah ada, salah satunya yaitu ECS dan Porter. Namun, belum diketahui kelebihan dan kekurangan kedua metode tersebut. Untuk mengetahui stemmer mana yang lebih efektif dan efisien, diperlukan perbandingan efektifitas pada kedua metode. Penelitian ini membandingkan dan mengevaluasi dua stemmers Bahasa Indonesia, ECS dan porter. Dokumen uji coba diambil dari penelitian Tala yang berjumlah 50, 100 dan 300. Pada uji coba 50 dokumen, ECS mampu menghasilkan 82% dari total kata dengan kecepatan 6,781 detik dan porter hanya menghasilkan 61% dengan kecepatan 0,0148 detik. Uji coba 100 dokumen, ECS telah mampu menghasilkan 81% dengan kecepatan 11,8311detik, sedangkan porter hanya  menghasilkan 61% dengan  kecepatan 0,0291 detik. Uji coba 300 dokumen, ECS telah menghasilkan 81% dengan kecepatan 11,8311 detik dan porter hanya mampu menghasilkan 61% dengan kecepatan 0,0291 detik.Kata Kunci: Stemming, Enhanced Confix Stripping, Porter stemmer
BIOLOGY OF PAPAYA MEALY BUG PARACOCCUS MARGINATUS (HEMIPTERA: PSEUDOCOCCIDAE) IN CASSAVA (MANIHOT UTILISSIMA POHL) Husni, Husni; Pramayudi, Nur; Faridah, Mutia
Jurnal Natural Volume 12, Number 2, September 2012
Publisher : Universitas Syiah Kuala

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The biology of papaya mealy bug (Paracoccus marginatus) in the cassava (Manihot utilissima) had been studied at the Plant Protection Laboratory of the Agriculture Faculty of Syiah Kuala University. The purpose of this study was to investigate the biology of P. marginatus on the cassava leaves. The result showed that the insect development time on cassava leaves were: 8.0 ± 0.79 days for egg stage, 5.3 ± 0.67 days for first instar nymph, 5.5 ± 0.84 days for the second instar of female nymph, 5.3 ± 0.50 days for the second instar of male nymph, 5.4 ± 0.51 days for the third instar of female nymph, and 3.6 ± 0.52 days for the third instar of male nymph (pre pupa), respectively. The development time of IV instar of male nymp (pupa) was 56,6 ± 0,58 days. The development time of the adult stage for female and male progeny were 14 ± 1,24 days and 43,3 ± 0,58 days. The life cycle of female and male were 31,8 ± 3,83 days and 27,8 ± 1,87 days, and the average number of eggs in each ovisac was 413, respectively.
PENGARUH SUPERPARASITISME TERHADAP PERKEMBANGAN PROGENI PARASITOID TETRASTICHUS BRONTISPAE FERRIERE Husni, Husni; Jauharlina,, Jauharlina,; Al Haraqal, Amru
Jurnal Floratek Vol 6, No 1 (2011)
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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            The purpose of this research was to investigate effects of superparasitism rate on development of Tetrastichus brontispae progeny. In this research, each host (Brontispa longissima pupa) was exposed for different frequencies, i.e., 1, 3, 5, 7 and 9 times for female parasitoid.  The result showed that the rate of superparasitism affected the number of progeny emergence, the developmental time of immature progeny, and sex ratio of progeny. The number of progeny emergence was increased as the increase of  superparasitism rate. The number of progeny emergence from single oviposition host was 15, while from host exposed on female parasitoid for 3, 5, 7, and 9 times were 12, 5, 2 and 0, respectively. The developmental time of immature progeny was lengthened as the increase of superparasitism rate. Sex ratio of progeny was biased to female progeny as the increase of rate of superparasitism. The result of this research indicated that superparasitism gave negative effect on development of T. brontispae progeny.
Biologi Sarang Rayap Subfamili Nasutitermitinae di Stasiun Penelitian Suaq Balimbing Taman Nasional Gunung Leuser Ervany, Hendra; Syaukani, Syaukani; Husni, Husni
Biotik Vol 7, No 1 (2019): JURNAL BIOTIK
Publisher : UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/biotik.v7i1.5467

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A study had been carried out from May 2017 to February 2018 at Suaq Balimbing Research Center, Gunung Leuser National Park to determine the biology of termite nests of Nasutitermitinae subfamily. The termites were collected with Finding Colony method, while the identification of the termite types and data analysis was conducted in Zoology Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Syiah Kuala University. The results found 3 types of termite nests, i.e., (1) arboreal mounds type (N. roboratus, N. matangensis, H. bicolor and N. neoparvus) as an attempt to disguise themselves and protect their colonies from predators; (2) wood nesting type (N. havilandi, N. proatripennis, H. hospitalis, B. neopusillus, L. leucops, and Aciculitermes sp.1) that is built using drywood to form ventilation space between nests, so the nests become sturdier; and (3) subterraneannest type (L. longipes) that has a stronger construction than arborealmounds and wood nesting since it is made of soil attached by saliva liquid. Shapes of termite nest found namely a rounded shape, a cone shape, a shape that fills in hollow trees, a shape that forms a mound on the ground, and rectangular shape. Some of the termites activities were searching for food outside the nest, consuming remaining food in the nest, and making an attack. The identification results showed that there were 18 termites species from 6 genera of Nasutitermitinae subfamily namely Nasutitermes, Hospitalitermes, Leucopitermes, Longipeditermes, Bulbitermes and Aciculitermes.
KEEFEKTIFAN EKSTRAK DAUN PARE (MOMORDICA CHARANTIA) DALAM MENGENDALIKAN CROCIDOKOMIA PAVONANA F. PADA TANAMAN SAWI Hasnah, Hasnah; Husni, Husni; Purnama, Nezpi Noza
Jurnal Floratek Vol 8, No 1 (2013): April 2013
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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The purpose of this study was to obtain effective concentrations of leaf extracts of bitter melon in controlling Crocidolomia pavonana on mustard (Brassia juncea Linn). The experiment was conducted at Laboratory of Plant Pests and Diseases, Faculty of Agricultural Kuala University, Banda Aceh. The study took place from August to November 2010. The experiment was arranged in a Completely Randomized Design (CRD), with six concentration of 0, 5, 10, 15, 20, and 25 ml/L solution. Each treatment was repeated 4 times to obtain 24 units of the experiment. Variables observed were mortality of larvae C. pavonana, formed pupa percentage, emerging imago percentage and feeding deterrent percentage. The results showed that application of leaf extract of M. charatia could control C. pavonana on mustard. The higher concentration of the leaf extract was given, the more effective control was against C. pavonana on mustard plant. The use of leaf extracts M. charantia in concentration of 20% was able to control C. pavonana up to 60%.
PENGARUH EKSTRAK RIMPANG JERINGAU (ACORUS CALAMUS L.) TERHADAP MORTALITAS ULAT GRAYAK SPODOPTERA LITURA F. Hasnah, Hasnah; Husni, Husni; Fardhisa, Ade
Jurnal Floratek Vol 7, No 2 (2012)
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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The purpose of this study was to obtain an effective concentration of the extract of sweet flag rhizome in controlling S. litura. This research was conducted at Laboratory of Plant Pests and Diseases, Agriculture Faculty, Syiah Kuala University, Banda Aceh. This research used a Completely Randomized Design (CRD) non-factorial, with six levels of extract concentrations, that is 0%, 3%, 6%, 9%, 12%, and 15%. Each treatment was repeated four times. The variables measured were mortality of larvae, percentage of formed pupae, percentage of emerging imago, and life length of imago. The results showed that application of the sweet flag rhizome extract affected mortality of larvae, formed pupae, emerging imago, and life length of imago S. litura. Use of sweet flag rhizome extract with a concentration of 3% was effective in controlling S. litura. Application of sweet flag rhizome extract with a concentration of 3% resulted in larval mortality up to 57.50%, formation of pupa only 20%, emerging imago 5%, and average life length of imago S. litura 1.25 days.