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INDONESIA
BIOTROPIC The Journal of Tropical Biology
Published by Universitas Islam Negeri Sunan Ampel
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 94 Documents
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Isolasi Dan Karakterisasi Bakteri Selulolitik Biopori Sebagai Upaya Awal Percepatan Proses Pengomposan Wardha Maulidya Pratiwi; Rana Yumna Nabila; Heliza Amalini; Guntur Trimulyono
Biotropic : The Journal of Tropical Biology Vol. 4 No. 1 (2020): Biotropic, Volume 4 Nomor 1, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.1.48-54

Abstract

The purpose of this study was to obtain cellulolytic bacterial isolates isolated from leaf litter in absorption holes biopori FMIPA Unesa and obtain the most optimal cellulolytic bacterial isolates in cellulose degradation. This research was an observational study and the data were analyzed descriptively. Stages of the study began with bacterial isolation, cellulolytic ability testing, and characterization of cellulolytic bacterial isolates. Bacterial isolation was carried out by the pour plate method, isolation was carried out by the streak plate method, cellulolytic testing was carried out using Carboxy Methyl Cellulose media which was given Congo red 1%. While the isolation characterization was done morphologically, physiologically, and biochemically. The results obtained 15 isolates of cellulolytic bacteria that were tested for their ability to degrade cellulose. Cellulolytic test results showed that 6 isolates, namely BS1, BS7, BS10, BS11, BS14, and BS15 had a cellulolytic index of 0.8, 0.8, 0.8, 0.8, 0.8, 0.8. and 1. Isolates BS15 is the most optimal isolate in cellulose degradation with characteristics of the punctiform colony, yellow pigmentation, entire edge, convex elevation, optical opaque and smooth surface, produces catalase enzymes, is non-motile and can ferment in glucose and starch but cannot ferment lactose and also a Gram-negative
Kepadatan Populasi Ulat Penggerek Polong (Maruca testulalis) pada Tanaman Kacang Panjang (Vigna sinensis) di Kelurahan Gunung Sarik Kecamatan Kuranji Kota Padang Alwasilah Yofita Ilham; Nurhadi; Elza safitri
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.82-88

Abstract

The population of Maruca testulalis in the long bean (Vigna sinensis) can lower the yield productions. Maruca testulalis attack the part of the pods long bean that left little holes in the pod. In that regard, so the research has been done about population density Maruca testulalis on the long bean plant (Vigna sinensis) in Celebacy Gunung Sarik Seedlings Kuranji Padang City. This research has been done, in January-February 2019 by using Survey Descriptive method which is a direct collector of pods long beans. Purposive Random Sampling technique sample. Sample were taken at 60 days and 70 days. Measured environmental conditions thats temperature, humidity, precipitation, wind speed, and pH. Based on the research being done, population density Maruca testulalis on the long bean plant (Vigna sinensis) in Celebacy Gunung Sarik Seedlings Kuranji Padang City 1,3 individual/plant (age 60 days) and 0,95 individual/plant (age 70 days). Population density Maruca testulalis 1,12 individuals/plants and fall in the category of light attack.
Potensi Ekstrak Lengkuas (Alpinia Purpurata K. Schum) Sebagai Fungisida Terhadap Jamur Alternaria Sp. Pada Tanaman Jeruk Mia Nurkanti; Mimi Halimah; Yosi Silfister; Handi Suganda
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.111-118

Abstract

Alternaria sp. is one the causess of diseases that attack citrus crops. Pest and diseases control efforts by farmers more often use pesticide synthesis. This study aims to determine the inhibition of mushroom growth and other benefits of galangal extract as a natural fungicide and determine the optimum concentration of galangan extract inhibiting the growth mushroom of Alternaria sp.. The method used was experimental, testing conducted by growing mycelium mushroom Alternaria sp. on a PDA that has been mixed with extract of galangal in according to the respective concentrations and analyze growth response by measuring the diameter. The best results indicated by the treatments 60% that control the growth of mushrooms with deaths amounted to 79%. This shown that galangal extract is able to control the growth of Alternaria sp. at concentrations 60% compared to a concentration of 20%, 30%, 40% and 50% because the active compounds at concentrations that are 60% higher, so galangal extract diffuse into the cell the growing of mushrooms and may cause disruption the growth mushrooms Alternaria sp.. The higher concentration of extract given, the ability to controlling the growth mushroom of Alternaria sp. the better. The utilization of galangal material is done as an alternative fungicide in the control of plant diseases that are eco friendly.
Identification of Potential Medicinal Plants in Tawang Selubang Forest in Kelam Permai Subdistrict, Sintang Regency, West Kalimantan Fathul Yusro; Yeni Mariani; Erianto; Gusti Hardiansyah; Hendarto; Aripin; Deni Nurdwiansyah
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.64-81

Abstract

The Tawang Selubang Forest, located in the Other Use Area (APL) is determined by the regional government of Sintang Regency, West Kalimantan as the Hutan Tutupan (forest cover). This forest has great benefits for the community, one of which is as a source of medicinal plants. This research aims to identify the potential species of medicinal plants in the Tawang Selubang Forest Cover. Inventory of potential medicinal plants is done by making a square (0.5 Ha) cluster design (100 mx 100 m) in which there are 5 circular plots. Each plot contained several circular subplots that functioned for observation of seedling level (r= 1 m), stake (r= 2 m), pole (r= 5 m) and tree (r= 17.8 m). The number of plant species found in the Tawang Selawang Forest Cover were 47 species and 27 species were medicinal plants. Some species of medicinal plants that have a high density and important value index are Xanthophyllum amoenum Chadat, Antidesma montanum Blume, Nephelium maingayi Hiern, Palaquium gutta (Hook.) Baill and Syzygium lineatum (DC.) Merr. & J.Parn .
Identifikasi Serangga Hama Selada Hidroponik sebagai Langkah Awal Penyediaan Sayur Sehat Rizqi Aulia Nurlaili; Safira Celia Permatasari; Listya Eka Ningtyas; Reni Ambarwati
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.89-97

Abstract

Hydroponic agriculture in urban areas is one of urban farming, an agricultural system without using soil media that uses narrow land in urban areas and is free from the use of synthetic pesticides. This purposes of this study were to identify the species, analyze the diversity, and abundance of insects that attack lettuce on hydroponic land. The samples were collected by using the yellow pan trap, netting, and hand picking methods. Identification of insects based on morphological characteristics. Data were analyzed by the Shannon-Wiener diversity index (H) and abundance index (Di). The results showed that there were 18 species of insects belongs to 13 families that attacked hydroponic lettuce, namely the family Acrididae, Agromyzidae, Aleyrodidae, Calliphoridae, Coccinellidae, Crambidae, Dolichopodidae, Hesperiidae, Noctuidae, Pieridae, Psilidae, Stratiomyidae, and Syrphidae. The diversity of the insects was in the category medium with a diversity index value of 2,707 and the most abundant species found was Chrysodeixis chalcites 11,70%, Spodoptera litura 10,64%, and Pieris rapae 9,57%.
Kontaminasi Residu Pestisida Organofosfat di Dalam Tanaman Holtikultura Widia Purnamasari; Moch Irfan Hadi; Eva Agustina
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.98-110

Abstract

Excessive use of organophosphate pesticides is becoming more common these days. This can affect the level of pesticide residues in farmers' crops. Excessive spraying of pesticides can result in environmental pollution both small and large scale. If excessive exposure to these pesticides can cause damage to the ecosystem. The purpose of this study was to determine the level of organophosphate pesticide residues found in horticulture plants. This research method is a systematic review, by analyzing various studies regarding the contamination of organophosphate pesticide residues in horticultural crops. There are 20 studies from within the country. The results obtained in the form of levels of pesticide residues that are still below the threshold of the BMR (Maximum Residue Limit) of pesticides determined by SNI. Two other studies show that no pesticide residue content was detected. Conclusion: This shows that the sample tested is still safe for consumption. Socialization and education about the doses of pesticide use and how to reduce levels of pesticides in horticultural crops are needed to reduce the risk of exposure to pesticides
Penggunaan Ruang Terbuka Hijau di Hotel Bintang Lima di Yogyakarta Sebagai Habitat Burung Rista Tamara; Bambang Agus Suripto
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.119-133

Abstract

The presence of green open space in a city plays an important role in ecological functions, one of which has the potential to become a birds habitat. Plant composition in GOS plays an important role in the use of habitat by birds. Studies on the presence of GOS as birds habitat are still growing. In this study, the use of GOS in five-star hotels in Yogyakarta as birds habitat is examined. The study was conducted in February-March and June 2020 at the GOS of Royal Ambarrukmo Hotel, Sheraton Mustika Resort & Spa, and the edge of the Hyatt Regency Yogyakarta property. The method used is IPA, birds identification using Mac Kinnon's guidebook, and taking vegetation data using the quadratic plot method. Based on research, total of birds species that were found are 22 species from 14 families. Plant species were found are 59 species from 33 families. Based on research found that the more diverse types of plants in a habitat, the more diverse species of birds found. The composition of birds is dominated by graminivorous groups. The use of GOS in the three hotels acts as a bird habitat to support all its activities including foraging, perching, and nesting.
Keanekaragaman dan Kemerataan Jenis Collembola Gua di Kawasan Karst Malang Selatan widya pertiwi; Saiful Bahri; Saiku Rokhim; Nirmala Fitria Firdhausi
Biotropic : The Journal of Tropical Biology Vol. 4 No. 2 (2020): Biotropic, Volume 4 Nomor 2, 2020
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2020.4.2.134-139

Abstract

Karst adalah bentang alam yang unik yang terbentuk akibat dari pelarutan batuan karbonat atau batuan gamping oleh air hujan. Di dalam kawasan karst terbentuk beberapa gua yang menjadi ci khas dari kawasan karst yang terbentuk. Penelitian ini bertujuan untuk mengetahui keanekaragaman Collembola gua yang berada di Kawasan Karst Malang Selatan. Sampel yang diambil adalah berasal dari tanah yang berada di lantai gua dengan menggunakan teknik Purposiv Sampling. Penelitian dilakukan pada empat gua yaitu Gua Harta, Gua Krompyang, Gua Prapatan JLS, dan Gua Lowo. Setiap pengambilan sampel dilakukan tiga kali pengulangan pada setiap zona, yaitu zona terang, zona remang, dan zona gelap. Hasil analisis data menghasilkan nilai Indeks Keanekaragaman H’=0,46121 dan Indeks Kemerataan E=0,28656.
Eksplorasi Jenis Jamur Makroskopis di Kawasan Bukit Gatan Kabupaten Musi Rawas Provinsi Sumatera Selatan Larseh Putri Anggraini; Harmoko; Nopa Nopiyanti
Biotropic : The Journal of Tropical Biology Vol. 5 No. 1 (2021): Biotropic, Volume 5 Nomor 1, 2021
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2021.5.1.21-28

Abstract

This study aims to determine the types of macroscopic fungi in Bukit Gatan, Musi Rawas Regency, and Abiotic Factors found in Bukit Gatan, Musi Rawas Regency. This research is descriptive, direct observation at the location of Bukit Gatan, Musi Rawas Regency by using the method of exploring with one hiking trail. Data were analyzed descriptively qualitatively. The type of fungus in the hiking trail are 2 divisions namely Basidiomycota and Ascomycota. The Basidiomycota Division found 7 orders, 12 families, 15 genera and 19 species, namely Pleurotus ostreatus, Pleurotus pulmonarius, Leptiota brunneoincarnata, Marasmius candidus, Schizophyllum commune, Entoloma procerum, Ganoderma l, Ganoderma lucidum, Leptiota brunneoincarnata, Marasmius candidus, Schizophyllum commune, Entoloma procerum, Ganoderma l, Ganoderma lucidum, Leptiota brunneoincarnata, Marasmius candidus, Schizophyllum commune, Entoloma procerum, Ganoderma l, Ganoderma lucidum, Earliverus gustulus sacraicusus , Clitocybe salmonilamella, Phallus indusiatus, Coltricia cinamomea, and Coltricia perennis. Ascomycota Division produces 2 orders, 2 families, 3 genera and 3 species namely Cookeina sulcipes, Daldinia conentria, and Xylaria longipes. The abiotic factors are the temperature of 29-31 ° C, pH between 6-7, humidity of 30-70%, light intensity of 200 lux and height of 72-241 masl.
Uji Ekstrak Bawang Putih Tunggal (Allium sativum L.) Terhadap Bakteriuria Escherichia coli Pada Calon Pekerja Migran Indonesia Indah Sulistiyawati; Muhammad Falah; Ari Dwi Nurasih
Biotropic : The Journal of Tropical Biology Vol. 5 No. 1 (2021): Biotropic, Volume 5 Nomor 1, 2021
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/biotropic.2021.5.1.50-57

Abstract

Garlic (Allium sativum L) is a tested type of phytopharmaca because it is proven to have beneficial benefits as antibacterial and protect the body from pathogens. The majority of Indonesian Migrant Workers, especially Prospective Indonesian Migrant Workers (CPMI), are indicated to be susceptible to Urinary Tract Infection (UTI), which is caused by the bacteriuria Escherichia coli. In this study, the crude extract of single garlic (A. sativum L) will be used as an antibacterial against E. coli bateriuria in the urine sample of CPMI, with variations in the concentration of single crude extract of garlic, namely; 0%, 25%, 50%, 75%, and 100%. This research was conducted in a period of 1 (one) year from January to December 2020, with urine research samples from CPMI in the Banyumas Regency area. Extraction was carried out by extracting a single garlic using 96% ethanol solvent in a ratio of 1: 1, then evaporated to produce a filtrate that would be tested with a varied concentrate composition. Isolation of bacteriuria in urine samples using EMBA selective media. From a total of 37 urine samples, 17 about 46% were positive for E. coli, and 20 samples were 54% negative for E. coli. Bacteriuria that was found challenged with crude garlic extract resulted in differences in the antibacterial test at several extract concentrations with amoxicillin positive control, with One Way Anova a P-value = 0.000 <0.05, and continued with the analysis of the Post Hoc Test and the Tuckey Test, that the garlic extract The single most effective used as an anti-bacterial agent is the concentration of 100%, resulting in an average inhibition of 12.81 mm. The ability of single garlic extract to inhibit increases with increasing extract concentrate.

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