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All Journal Jurnal Penelitian Sains BIOVALENTIA: Biological Research Journal
Erwin Nofyan, Erwin
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Immunology & microbiology Mathematics Medicine & Pharmacology Physics

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EFFECT OF GIVING MIXED INSECTICIDE CARBOFURAN IN COW FECES TOWARDS CONSUMPTION RATE AND ASSIMILATION EFFICIENCY EARTHWORM Pheretima javanica Gates Nofyan, Erwin; Lamin, Syafrina; Patriot, Innocenthya Tygra
BIOVALENTIA: Biological Research Journal Vol. 2 No. 2 (2016)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.128 KB) | DOI: 10.24233/BIOV.2.2.2016.46

Abstract

Research about “Giving a mixture of Insecticide Carbofuran in cow feces to the Rate of Consumption and the Efficiency of Absorption on Land Worm Pheretima javanica Gates was held on June to August 2016 at Animal Physiology Laboratorium, Biology Department, Faculty of Mathematics and Science, Sriwijaya University, Indralaya, Ogan Ilir, South Sumatera. The purpose of this research is to learn the effect of Insecticide Carbofuran to the rate of consumption and the efficiency of absorption on land worm Pheretima javanica Gates. Contribution of this research gives the information to farmer about the effect of insecticide carbofuran to non-target animal, especially to land worm Pheretima javanica Gates. This research used Completely Randomized Design with 6 treatments and 5 times repetition. Treatment that was given to sample are the insecticide carbofuran with concentration of  0 % (control); 0.1% ;  0.2 % ; 0.3 % ;  0.4 % ; 0.5 %. Data analysis was using Varians Analysis. If there was real difference then data analysis continued with The Duncan Test on level of confidence of  95%. The results of this research show us that several concentration of insecticide carbofuran have the real effect to the average of consumption rate and the efficiency of absorption. The lowest average of consumption rate on land worm  Pheretima javanica is on concentration of 0,5 % (0.23 ± 0.02  mg/g day) and the highest average of consumption rate on land worm  Pheretima javanica is on concentration of 0% (control) (2.53 ± 0.05 mg/g day). The lowest average of absorption efficiency on land worm  Pheretima javanica is on concentration of 0 % (control) (40.78  ± 2.56 % )and the highest average of absorption efficiency on land worm  Pheretima javanica is on concentration of 0,5 % (70.76  ± 3.67 %).  Keywords: carbofuran, the rate of consumption, the efficiency of absorption, Pheretima javanica Gates.
STUDY OF PRODUCTION AND VIABILITY COCOON OF Pontoscolex corethrurus FR.MULL AT VARIOUS CONCENTRATIONS OF CARBARYL INSECTICIDES Nofyan, Erwin; Kamal, Mustafa; Lamin, Syafrina; Rahmasari, Nafira Putri
BIOVALENTIA: Biological Research Journal Vol. 5 No. 2 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.166 KB) | DOI: 10.24233/BIOV.5.2.2019.150

Abstract

Research on the Study of Cocoon Production and Viability of Pontoscolex corethrurus Fr. Mull at various concentrations of Karbaril insecticide was carried out in July to October 2019, at the Laboratory of Animal Physiology, Department of Biology, Faculty of Mathematics and Natural Sciences, Sriwijaya University, Inderalaya, Ogan Ilir, South Sumatra. This study aims to study the production of cocoon and viabiltas earthworm Pontoscolex corethrurus Fr. Mull at various concentrations of carbaryl insecticide as well as getting concentrations of carbaryl insecticide began to react to the amount of cocoon and viability of the earthworm Pontoscolex corethrurus Fr.Mull. Contribution of research on the availability of data on the production of cocoon and viabiltas cocoon of earthworm Pontoscolex corethrurus Fr.Mull after being given various concentrations of carboxyl insecticide and providing information especially to farmers about the effect of various concentrations of carbaryl insecticide on non-target animals, especially soil animals namely Pontoscolex corethrurus Frethrurus earthworm . Mull. This study uses a completely randomized design with 6 (six) treatments and 5 (five) repetitions. The treatment given in the form of carboxyl insecticide with a concentration of 0% (control); 0.1%; 0.2%; 0.3%; 0.4%; 0.5%. Data were analyzed by Analysis of Variance, if there were significant differences followed by Duncan's Test at a 95% confidence level. The results showed that the treatment of various concentrations of carboxyl insecticide significantly affected the average number of cocoon and viability of the earthworm cocoon Pontoscolex corethrurus Fr. Mull. Average number of earthworm cocoons Pontoscolex corethrurus Fr. The lowest Mull was found in the administration of carboxyl insecticide at a concentration of 0.5%, 0.62 ± 0.06 cocoon / individual / week and the average number of earthworm cocoons Pontoscolex corethrurus Fr. The highest Mull was found in the administration of carboxyl insecticide at a concentration of 0% (control), namely 3.62 ± 0.02 cocoon / individual / week. The average viabiltas cocoon of earthworms Pontoscolex corethrurus Fr. The lowest Mull was found in the administration of carboxyl insecticide at a concentration of 0.5%, namely 18.85 ± 1.19% and the average viability of the earthworm cocoon Pontoscolex corethrurus Fr. The highest Mull was found in the administration of carboxyl insecticide at a concentration of 0%, namely 98.65 ± 2.15%
PHYSIOLOGICAL EFFECTS OF PROFENOFOS INSECTICIDE TOWARDS CONSUMPTION RATE 6 AND ASSIMILATION EFFICIENCY OF COW – DUNG BY EARTHWORMS 7 PONTOSCOLE CORETHRURUS FR. MULL Nofyan, Erwin; Kamal, Mustafa; Lamin, Syafrina; Rahmasari, Indah
BIOVALENTIA: Biological Research Journal Vol. 6 No. 2 (2020)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1201.308 KB) | DOI: 10.24233/biov.6.2.2020.183

Abstract

The purpose of this research is to determined the effect of insecticide profenofos to the rate of consumption and assimilation efficiency of cow- dung by earthworms Pontoscolex corethrurus Fr. Mull. This research used Completely Randomized Design with 6 treatments and 5 repetition. Treatments that was given to sample are the insecticide profenofos with concentration of 0 % (control); 0.1%; 0.2 %; 0.3 %; 0.4 %; 0.5 %. Data analysis was using Varians Analysis. If there was real difference then data analysis continued with The Duncan Test on level of confidence of 95%. The results of this research show us that several concentration of insecticide carbaryl have the real effect to the average of consumption rate and the efficiency of absorption. The lowest average of consumption rate on earthworm Pontoscolex corethrurus Fr.Mull is on concentration of 0.5 % (0.23 ± 0.02 mg/g day) and the highest average of consumption 26 rate on earthworm Pontoscolex corethrurus Fr. Mull is on concentration of 0% (control) (2.53 ± 0.05 mg/g day). The lowest average of approach digestyon earthworm Pontoscolex corethrurus is on concentration of 0 % (control) (40.78 28 ± 2.56 %) and the highest average of digestion earth worm Pontoscolex corethrurus Fr.Mull is on concentration of 0.5 % 29 (70.76 ± 3.67 %).
Struktur komunitas cacing laut (Polychaeta) di perairan pantai mangrove Taman Nasional Berbak Sembilang, Sumatera Selatan Hanafiah, Zazili; Sarno, Sarno; Nofyan, Erwin
Jurnal Penelitian Sains Vol 25, No 3 (2023)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v25i3.907

Abstract

Telah dilaksanakan Penelitian yang berjudul “Struktur komunitas cacing laut (Polychaeta) di perairan pantai mangrove Taman Nasional Berbak Sembilang, Sumatera Selatan” dari bulan Agustus hingga November 2018. Tujuan penelitian ini yaitu untuk menganalisis struktur komunitas cacing laut (Polychaeta) yang mencakup komposisi, kepadatan, indeks keanekargaman, indeks kesamaan komunitas dan pola penyebaran. Metode penelitian yang digunakan adalah metode survei dan pengamatan langsung di lapangan, dengan penentuan stasiun secara purposive, metode pengambilan sampel adalah dengan membuat garis transek pada masing-masing stasiun(sebanyak enam stasiun). Dari hasil penelitian ditemukan sebanyak 33 genera polychaeta dari 28 famili. Kepadatan polychaeta berkisar dari 124-2578 individu/m², tergolong tidak padat hingga sangat padat, tujuh famili yang umum ditemukan adalah Sternaspidae, Nereididae, Nephtydae, Pilargiidae, Heterospionidae, Capitellidae dan Opheliidae (total 65%), sedangkan sebelas famili lainnya (3%) merupakan kelompok yang minoritas. Nilai indeks keanekaragaman tergolong kategori rendah hingga sedang (0,8-2,5), Nilai indeks kesamaan komunitas antar stasiun berkisar dari 0% hingga 65%, pola penyebaran polychaeta semuanya kategori mengelompok (nilai Id >1). Tekstur substrat terdiri dari pasir, debu dan liat. Berdasarkan fraksinya, lumpur sangat dominan 48% ± 18. Sedangkan komposisi pasir adalah 39 ± 20, dan liat 13 ± 3.Kata kunci: struktur komunitas, cacing laut (polychaeta), perairan pantai mangrove, Taman Nasional Berbak Sembilang.
Evaluasi bungkil inti sawit dan kulit nenas sebagai media tumbuh dan berkembang maggot Hermentia Illuciens l. Lamin, Syafrina; Nofyan, Erwin; Kirin A, Rania; Juswardi, Juswardi
Jurnal Penelitian Sains Vol 26, No 3 (2024)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v26i3.1086

Abstract

Evaluasi bungkil inti sawit dan ampas nenaa sebagai media tumbuh dan berkembang perlu dilakukan untuk mendapatkan strategi produksi maggot yang baik dan pemanfaatan bungkil inti sawit dan limbah nenas sebagai media pemeliharaan yang baik Hermentia illucens untuk masa depan. Tujuam penelitian ini adalah menentukan komposisi bungkil inti sawit dengan ampas nenas terfermetasi yang terbaik dalam meningkatkan laju konsumsi, efisiensi konversi dan pertumbuhan maggot bsf H. illucens. Penelitian ini berupa eksperimental dengan menggunakan Rancangan Acak Lengkap (RAL), dengan 5 perlakuan (komposisi bungkil inti sawit dan limbah nenas terfermentasi dengan EM4 yang berbeda) masing-masing perlakuaan dilakukan ulangan sebanyak 5 kali ulangan.Variabel independen yang dipakai dalam penelitian ini adalah variasi pada pakan maggot. Variabel dependen yang dipakai dalam penelitian ini adalah laju konsumsi, efisiensi konversi dan laju pertumbuhan. Data yang diperoleh akan disajikan dalam bentuk tabel serta grafik, kemudian data diolah dengan menggunakan SPSS versi 26.00 dengan analisis ANOVA satu arah dan dilanjutkan dengan uji lanjut duncan. Kesimpulan penelitian ini yaitu besarnya nilai laju konsumsi tidak mempengaruhi nilai efiiensi konversi tetapi nilai efisiensi konversi sangat berkaitan dengan nilai laju pertumbuhan pada maggot H. illucens. Media tumbuh yang paling baik adalah media tumbuh yang terdiri dari 100% dedak terfermentasi.Kata kunci: EM 4, Limbah BIS Fermentasi, Limbah Nanas Fermentasi, maggot, Hermentia illuciens
Aktivitas larvasida fraksi aktif daun bakau hitam Rhizophora mucronata Lamk. terhadap larva Nyamuk Aedes aegypti Linn Lamin, Syafrina; Aminasih, Nita; Pasya, Azira Nadia; Nofyan, Erwin; Purwoko, Agus
Jurnal Penelitian Sains Vol 25, No 1 (2023)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v25i1.782

Abstract

Rhizophora mucronata merupakan tumbuhan mangrove yang banyak tersebar dipinggir pantai. R. mucronata memiliki metabolit sekunder yang dapat dijadikan sebagai bahan pestisida alami. Penelitian ini bertujuan untuk mengetahui fraksi dari daun R. mucronata yang bersifat larvasida terhadap larva nyamuk Aedes aegypti, mengetahui LC50 dari fraksi aktif daun R. mucronata, mengetahui perbandingan aktivitas fraksi aktif daun R. mucronata dengan abate, dan mengetahui senyawa aktif dari daun R. mucronata yang diamati secara kualitatif terdapat pada fraksi aktif. Metode ekstraksi dengan metode maserasi dan fraksinasi dengan fraksinasi cair-cair, uji aktivitas fraksi dan uji aktivitas larvasida dengan metode eksperimental laboratorium, penentuan golongan senyawa aktif dengan metode kromatografi lapis tipis. Hasil penelitian diperoleh, diketahui bahwa fraksi metanol air dari daun R. mucronata memiliki aktivitas larvasida yang lebih tinggi daripada fraksi n-heksan dan etil asetat. LC50 fraksi metanol air dari daun R. mucronata yang mampu membunuh 50% dari total larva uji yaitu 1621,297 ppm. Fraksi metanol air membutuhkan konsentrasi yang tinggi untuk membunuh larva uji dibandingkan dengan bubuk abate. Fraksi metanol air dari daun R. mucronata mengandung senyawa tanin dan fenol. Kesimpulannya fraksi metanol air dari daun R. mucronata memiliki aktivitas larvasida yang lebih tinggi daripada fraksi n-heksan dan etil asetat, LC50 fraksi metanol air dari daun R. mucronata yang mampu membunuh 50% dari total larva uji yaitu 1621,297 ppm, fraksi metanol air dari daun R. mucronata memiliki pengaruh yang lebih kecil terhadap kematian larva A. aegypti karena pada konsentrasi 3000 ppm membunuh 21 larva uji sedangkan abate memiliki pengaruh yang lebih besar karena pada konsentrasi 1000 ppm dapat membunuh 30 larva uji, dan fraksi metanol air dari daun R. mucronata mengandung senyawa tanin dan fenol.
Co-Authors Agus Purwoko INDAH RAHMASARI Innocenthya Tygra Patriot, Innocenthya Tygra Juswardi Juswardi, Juswardi Kirin A, Rania Mustafa Kamal Mustafa Kamal Nita Aminasih Pasya, Azira Nadia Rahmasari, Nafira Putri Sarno Sarno Syafrina Lamin, Syafrina Zazili Hanafiah