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JURNAL BIOLOGI PAPUA
Published by Universitas Cenderawasih
ISSN : 25030450     EISSN : 20863314     DOI : 10.31957/jbp
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Materials Science & Nanotechnology
JURNAL BIOLOGI PAPUA dengan nomor ISSN: 2503-0450 dan EISSN: 2086-3314 diterbitkan oleh Jurusan Biologi FMIPA Universitas Cenderawasih. Jurnal ini mempublikasikan tulisan ilmiah hasil penelitian asli maupun telaah pustaka (review) yang berhubungan dengan biologi secara umum. Penulis dianjurkan menuliskan karyanya dalam Bahasa Inggris, walaupun dalam Bahasa Indonesia tetap kami hargai. Jurnal ini terbit dua kali setahun setiap Bulan April dan Oktober.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 11, No 2 (2019)" : 6 Documents clear
Isolasi dan Aplikasi Fungi Entomopatogen dari Larva Nyamuk Aedes aegypti L. Wuri Artikasari; Emantis Rosa; Bambang Irawan
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.659 KB) | DOI: 10.31957/jbp.833

Abstract

DHF (Dengue Hemorrhagic Fever) is a serious problem in Indonesia. DHF disease control has been applied so far, one of which is the use of larvacide temephos (abate). However larvacide is a chemical insecticide that has a negative impact on human health and causes resistance. Therefore in this research, biological control is carried out by utilizing entomopathogenic fungi as a larvacide. The purpose of this study was to determine the effectiveness of entomopathogenic fungi isolated from Ae aegypti larvae. Against the death of Ae. Aegypti mosquito larvae with the moist chamber method. This study used a completely randomized design (CRD) with a factorial pattern and performed two repetitions. Factor A is a type of fungi with 3 levels, namely A1: Aspergillus sp1, A2: Aspergillus sp2, and A3: Syncephalastrum sp. Factor B is a dilution with 7 levels, namely B0: Control, B1: 100 (without dilution), B2: 10-1, B3: 10-2, B4: 10-3, B5: 10-4, B6: 10-5 with every treatment was applied in 2 repetitions. Observations were made 24 hours after treatment for 3 days. Data were analyzed using analysis of variances (anova) and continued with the Least Significant Difference Test (LSD) at 5%. The results indicate that fungi isolates are the most effective in killing Ae. Aegypti mosquito larvae is Aspergillus sp1 and Aspergillus sp2 on the treatment of spores without dilution. Key words: DHF; larvacide; Aedes aegypti; Entomopathogenic Fungi.
Pengaruh Faktor Klimatik Terhadap Kepadatan Nyamuk Anopheles farauti di Ekosistem Pantai dan Rawa Provinsi Papua Hanna S.I. Kawulur; Ivon Ayomi; Melda Suebu; Muhammad F. Rokhmad; Mardi R. Pardi
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.816 KB) | DOI: 10.31957/jbp.945

Abstract

Infectious vectors are generally sensitive to environmental change, including climatic factor. Climate may affect the ability of vector in transmitting the disease. The purpose of this study was to determine the effect of climatic factors on density of Anopheles farauti Laveran in coastal and marsh ecosystems. The mosquito was collected by using human landing collection method. The climatic data recorded during the research were air suhue, wind velocity and humidity, while the rainfall rate data was obtained from the Provincial office of Meteorology and Geophysics Agency Suhue of Papua Province. The result showed that Anopheles farauti was constantly found during the study period as air suhue, humidity, rainfall and wind velocity fluctuated. This result suggest that during the data collection climatic factors did not significantly affect the presence and density of Anopheles farauti. Key words: climatic factor; mosquito density; coastal; swamp; Anopheles farauti. 
Uji Tantang Bakteri Bacillus Kandidat Probiotik secara Invitro terhadap Bakteri Vibrio harveyi Sumardi Sumardi; Salman Farisi; Christina Nugroho Ekowati; Rizka Oktavia
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.657 KB) | DOI: 10.31957/jbp.799

Abstract

This study aims to isolate Bacillus that can fight the growth of Vibrio harveyi . Based on the results of the inter-Bacillus competition test show that Bacillus isolates was able to compete and grow with each other on the SWCA media. The challenge test Bacillus bacterial to against Vibrio harveyi bacteria, that Bacillus did not yet produce anti-bacteria on the second day. In the joint culture test method between Bacillus and Vibrio harveyi that Bacillus were able to inhibit the growth of Vibrio harveyi bacteria on the 4th day.
Kombinasi Pupuk Nanosilika dan NPK Terhadap Pertumbuhan Tanaman Jagung (Zea mays L var. pioneer 21) Oktivani D.P. Hayati; Erma Prihastanti; Endah D. Hastuti
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (504.689 KB) | DOI: 10.31957/jbp.896

Abstract

Maize is one of food commodity in Indonesia. Maize pioneer 21 is a kind of high-yielding maize variety in Indonesia. One of the way able to be conducted to improve growth of  maize plant is with fertilizing combination of nanosilica and NPK. This research aim to know the influence of fertilizing combination of nanosilica and NPK toward improving growth of maize plant and to know optimal concentration of combination nanosilica fertilizer and NPK in corn plants growth. Nanosilica is  fertilizer that contains micronutrients Si while the NPK fertilizer contains macro nutrients NPK. Research conducted with Completely Ramdomized Design (CRD) with 6 combination factor: P0 (control), P1 (100% nanosilica), P2 (75% nanosilica + 25% NPK), P3 (50% nanosilica + 50% NPK), P4 (25% nanosilica + 75% NPK) and P5 (100% NPK) each has 3 replications. Parameter perceived by hat is high of plants, high of leaf, amount of leaf, wet heavy of maize plants and dry heavy of maize plant. Data to be analysed with Analysis of variance (ANOVA) level of signification 95%, continued by Duncan Multiple Range Test (DMRT) level of signification 95%. The results showed that the combination of nanosilica fertilization and NPK significantly affected the wet weight and dry weight of the Maize P-21. The optimal combination for the growth of Maize P-21 is the treatment of P4 (25% nanosilica+ 75% NPK).  Key words: Zea mays L var. pioneer 21; combination; fertilizing; nanosilica; NPK 
Identifikasi Molekular Bakteri Glukanolitik Indigenous KE-B6 dari Saluran Pencernaan Bekicot (Achatina fulica) Wijanarka Wijanarka; Sri Pujiyanto; Budi Raharjo
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.866 KB) | DOI: 10.31957/jbp.877

Abstract

Glucanolitic bacteria are bacteria that have the ability to break down glucan into glucose monomer units. The ability of the bacteria is caused by the presence of glucanase enzymes. The choice of glucanase derived from bacteria is based on the ability and speed of bacterial growth in terms of producing glucanase enzymes. The presence of bacteria and protozoa in the digestive tract symbiotic with each other to digest cellulose or concomitant materials . Based on the ability of the way of life to digest forage and leaf litter, it is suspected that snails (Achatina fulica) have the ability to produce glucanase biocatalysts, especially in the digestive tract. To find out the characteristics and characteristics of indigenous bacteria snail canals, identification of KE-B6 bacteria is carried out molecularly so that accurate and accurate results are obtained. The Basic Alignment Search Tools BLAST results of KE-B6 bacterial isolates based on 16S rDNA sequence data with 27F (Forward) and 1492R (Reverse) primers showed that these bacterial isolates had homology of 99.64% to Serratia marcescens.  Key words: bacteria, glucanolitic, A. fulica, Serratia marcescens.
Skrining Fitokimia dan Uji Antioksidan Ekstrak Biji Kopi Sangrai Jenis Arabika (Coffea arabica) Asal Wamena dan Moanemani, Papua Septiani Mangiwa; Agnes Eri Maryuni
Jurnal Biologi Papua Vol 11, No 2 (2019)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.367 KB) | DOI: 10.31957/jbp.925

Abstract

Coffee bean are rich of secondary metabolits that able to inhibit free radical compounds. This antioxidant activity may reduce many diseases correlated with it. The aims of this study were to determined the phytochemical content and antioxidant activity of roasted coffee bean from Wamena and Moenemani regency, Papua. Roasted coffee beans were extracted by maceration for 24 hr with methanol. Harborne standard method was used for the phytochemical analysis  and DPPH assay was used to  determine the antioxidant activity. IC50 was measured by spectrophotometric assay using spectrophotometer Uv-Vis at 517 nm wavelenghth. Result showed that both Arabica roasted coffee beans from Wamena and Moanemany had the capacity to inhibit free radical  at 61,71% and 69,7% with IC50 at  107,97 and 100,91 ppm, respectively . Phytochemical investigation revealed that the bioactive compounds from Moanemani and Wamena coffee beans were similar, which composed of alkaloids, flavonoids, terpenoids, saponins, and tanins. In conclusion, the methanolic extract of roasted Arabica coffee beans from Wamena and Moanemani can be used as the source of natural antioxidant.Keywords: Arabica roasted coffee beans; phytochemical; antioxidant; DPPH method.

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