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Bioma : Berkala Ilmiah Biologi

bioma
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Published by Universitas Diponegoro

ISSN : - EISSN : 25982370 DOI : -

Core Subject : Education, Agriculture,

Agriculture, Biological Sciences & Forestry Education

BIOMA (ISSN 1410-8801) adalah Majalah Ilmiah Biologi yang bertujuan mewadahi semua informasi hasil penelitian, telaah pustaka, makalah teknis, dan kajian buku, dari berbagai cabang ilmu Biologi. Diharapkan penerbitan ini dapat berkontribusi dalam penyampaian informasi ilmiah yang merupakan mata rantai proses kegiatan ilmiah. Terbit sejak tahun 1999.

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Articles 12 Documents

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Search results for , issue "Vol. 21, No 2, Tahun 2019" : 12 Documents clear

Komposisi Vegetasi Habitat Lutung Jawa (Trachypithecus auratus) di Kawasan Wana Wisata Kalipaingan Kabupaten Pekalongan Kurniawan, Arif; Baskoro, Karyadi; Jumari, J
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Declining population of Â javan langur caused by several factors such as deforestation and forest fragmentation which are the main habitat for langurs. the vegetation composition of the langur habitat is very important with regard to the density and dominance of trees that have special functions such as tree feed sources, trees at rest and sleeping trees. Â Research on Javan langur habitat had been conducted Wana Wisata Kalipaingan, Pekalongan Regency. Habitat data, as vegetation community and abiotic factor also collected. The research was conducted in March-July 2018. Tree spesies that has the largest INP value is petung bamboo (Dendrocalamus asper) followed by bendo (Atrocorpus elasticus). There are 9 spesies used as feed sources. 3 spesies are used as resting places and 1 tree spesies asa a sleep places.

Pengaruh Perbedaan Aplikasi Pestisida pada Struktur Komunitas Mikroarthropoda Tanah dalam Skala Lapangan dan Laboratorium Niswah, Rofiatun; Rahadian, Rully; Tarwotjo, Udi
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

The choice of using pesticides with natural ingredients or synthetic chemicals is a differentiator between organic farming systems and inorganic farming systems. Pesticides are additives in agriculture to control pests or weeds. Abamectin is one of the active ingredients that can be found in pesticides. Ground microarthropods are members of the soil mesofauna, which are soil animals that have a body size ranging from 0.2-2 mm. The purpose of this study was to determine the effect of differences in the application of pesticides on a field or laboratory scale on the structure of soil microarthropod communities. Soil samples were taken from three agricultural lands, namely Bandungan inorganic agricultural land, Kopeng inorganic agricultural land and Kopeng organic agricultural land. The study was conducted in August to December 2018 in the Ecology and Biosystematic Laboratory of the Department of Biology, FSM Undip. Found a total of 60 species species richness originating from 13 orders. The application of pesticides which include the concentration and frequency of pesticide spraying has a negative influence on the structure of soil microarthopod communities. Application of abamectin pesticides on a laboratory scale proves that the administration of abamectin pesticides that exceeds the recommended concentration will adversely affect the structure of the soil microathropod community. Based on statistical tests of soil microarthropod species diversity from the results of the application of pesticides on a field and laboratory scale is significantly different.

Keragaman Varietas Mangga (Mangifera indica L.) Di Kotamadya Semarang Jawa Tengah Utami, Sri; Baskoro, Karyadi; Perwati, Lilih Khotim; Murningsih, M
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Mango is a fruit that is very popular with the community, especially in Semarang. The taste is sweet, refreshing and has a high vitamine content is the reason this fruit has become one of the superior fruit. In the Semarang area there are quite a lot of mango trees with various varieties. These various mango varieties are potential genetic resources that need to be preserved. This study aims to explore the various mango tree varieats that grow in the municipal area of Semarang. Research techniques by exploring in 3 districts are Banyumanik, Tembalang Â and Gunung Pati. The results showed 14 varieties of mango and the most widely grown varieties by the people in the municipality of Semarang are arum manis and manalagi mango. Some of them are local mangoes, mango cultivation and imported mangoes. Local varieties of mango are only found in very small quantities and have begun to scarce, so it is feared that the supply of mango germplasm is increasingly depleting. Germplasm of local mango plants is important to be preserved as a wealth of genetic resources in the Municipality of Semarang

Struktur Histologi Hepar Tikus Wistar (Rattus norvegicus) Jantan setelah Pemberian Teh Kombucha Konsentrasi 75% dengan Waktu Fermentasi yang Berbeda Isdadiyanto, Sri; Tana, Silvana
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

This research was conducted to study and analyze the influence of kombucha fermentation 6 (P1), 9 (P2) and 12 (P3) days fermentation with 75% concentration on hepatic tissue structure and hepatocyte diameter. This study used 16 male Wistar rats consisted of 4 treatments and 4 repeat. The treatment of this study consisted of P0: control treatment; P1, P2 and P3 were treatment of kombucha fermented tea 6, 9 and 12 days of 75% concentration respectively. This research used Completely Randomized Design (RAL). The variables measured in this study were hepatocyte diameter, body weight, feed and drink consumption in animal test. The data obtained were analyzed using Analysis of Variance (ANOVA) at 95% confidence level. The result of data analysis showed that kombucha fermentation 6, 9 and 12 days of 75% concentration had no significant difference to all variables. Histology of the liver were not indicate the presence of tissue-damaged features such as chronic inflammation (cirrhosis). It could be concluded that tea kombucha was safe for consumption by mammalia because it was not affect liver damage.

Aktivitas Inhibitor Î±-Amilase Ekstrak Etanol Tanaman Brotowali (Tinospora crispa L.) Pujiyanto, Sri; Wijanarka, W; Raharjo, Budi; Anggraeni, Via
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Brotowali plant (Tinospora crispa L.) is a traditional Indonesian medicinal plant which has many benefits including for diabetes drugs. Diabetes mellitus (DM) is a metabolic abnormality caused by an increase in blood sugar levels. The purpose of this study was to determine the activity of Î±-amylase inhibitors of Brotowali (T. crispa L.) ethanol extract of plants. Extraction is done by maceration followed by evaporation. The extract obtained was tested for Î±-amylase inhibitor activity. The Î±-amylase inhibition test is based on the breakdown of starch substrates into maltose and glucose which is then determined by spectrophotometer after administration of DNS. Tests are carried out on controls and samples. As a substrate is 0.5% starch solution in 100 ml of sterile aquades. The reaction mixture was incubated 25 Â° C for 10 minutes. The reaction is stopped by adding 2 ml of 3,5-dinitrosalicylic acid (DNS). All the mixed solutions are then heated to 100 Â° C for 5 minutes and allowed to cool. The change in color of the solution is then measured for its absorbance at a wavelength of 540 nm. As a comparison used a control test that did not use extract samples. The results of Î±-amylase inhibitor activity test showed that ethanol extract with a concentration of 1000 Î¼g / mL had the highest inhibitory activity value of 95.06% compared to extract concentration of 500 Î¼g / mL, 250 Î¼g / mL, 125 Î¼g / mL and 62.5 Î¼g / mL. The results of testing the effect of substrate concentration showed that 0.5% starch concentration had the highest inhibitory value of 9.52% compared to 2%, 1% and 0.25% concentrations

Ketahanan Sistemik Tanaman Kentang Oleh Aplikasi PGPR Purwantisari, Susiana; Parman, Sarjana; handayani, Dwi; Karnoto, K
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Late blight disease caused by Phytophthora infestans, is probably the single most important disease of potatoes worldwide. Infected plants were quickly killed and were difficult for replanting, causing significant losses for the growers. Various control methods were examined including the use of biocontrol agents of PGPR.Â The research objective was to determine the ability of PGPR product from Ngudi Makmur farmer group local to delay late blight disease incidence on potato plants in the field. The in vivo experiment was carried out at potato land area located at Kledung Â Sub District, Kledung District and Temanggung Regency. Randomized Block Design (RBD) with five treatments was applied with five treatments each of which was placed in a different plot and each plot was filled with 40 plant treatments. On the first plot, no treatment was given (P1); the second plot was given chemical fertilizer (P2), the third plot was supplemented with PGPR one dose (P3), the fourth plot was PGPR two dose (P4), and the last was the fifth plot treated with GA hormone (P5). Result of the research showed that application of PGPR could delay disease intensity until 14 days. These antagonist could be used as biological agents initials to control leaf blight disease. There was an improvement in the quality of potato tubers harvested with the PGPR application compared to controls too.Â

Identifikasi Tumbuhan Lumut di Kawasan Wisata Gunung Galunggung Kabupaten Tasikmalaya Jawa Barat Putra, Rinaldi Rizal; Hernawati, Diana; Fitriani, Rita
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Galunggung mountain tourism spot is one of the natural tourism objects in Tasikmalaya regency possessing high biodiversity of living things, notably moss. The well-preserved environmental conditions in the area of Galunggung mountain enable the moss to grow luxuriantly and has miscellaneous varieties. This study aimed at identifying the moss living in around Galunggung mountain, Tasikmalaya. It was conducted on November 2017 through descriptive exploratory method with survey technique. The data were analysed descriptively by collecting specimens of the moss discovered in each observing station. The observing locations were situated in three different locations (stations) based on hierarchical height levels. Based on the identification, the moss proliferating in Galunggung mountain were classified into 20 species. The moss species dominantly identified in the entire observing stations were Bryum billardierii, Acroporium sp., Leucobryum sp., Marchantia polymorpha, and Calymperes sp. Â Â

A Study on Barn Owl Population (Tyto alba var. javanica) in Reducing Rat Attacks and Parthenocarpy in Oil Palm Fresh Fruit Bunches Budihardjo, Kadarwati; Wirianata, Herry; Primananda, Septa
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

In mature oil palms, rat attacks fruit bunches, causing significantly reduction in the potential yield and the quality of oil palm fruit bunches. Rat is also known to consume the post anthesis male flowers which act as the breeding sites for the eggs and larvae of Elaeidobius kamerunicus pollinator beetle. Indirectly, the pollinator beetle population can be reduced in high rat infestation area, affecting the pollination and increasing the percentage of parthenocarpic fruit bunches. The barn owl (Tyto alba var. javanica) is a rat biological control agent in the oil palm plantations. The study conducted at PT. Mustika Sembuluh in Central Borneo shows that barn owl (T. alba) population is significantly correlated with both rat attacks and parthenocarpic percentage of oil palm fruit bunches in oil palm plantation

Pengaruh Penambahan Limbah Kertas 80% dan Kayu 20% Sebagai Alternatif Media Tanam Jamur Tiram Putih (Pleurotus ostreatus) Isnawati, I; Mahmudi, Irkham; Khayati, Dian N; Utami, Tri W; Purwanti, Kiki E; Ulfa, Maria
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Paper waste is anÂ organic residual that has not been widely utilized and its existence around us. The high cellulose content in paper waste allows it to be used as a media for cultivating white oyster mushrooms. This aims to compare the speed of mycelium propagation from different concentration of paper in each growing medium. The study used a Completely Randomized Design (CRD) with six treatments and five repeattation. The treatment used is the difference in the composition of 0% paper waste media (control); 20% of paper waste; 40% of paper waste; 60% of paper waste; 80% of paper waste; and 100% of waste paper. The data were obtained from six timeÂ observations in the form of mycelium propagation (cm)and tested with anava. The results were not significant at 1,65 using correcttion factor 2,53. Mycelium propagation speed was influenced by environmental factors such as temperature, light intensity, humidity, and air circulation.

Variasi Karakter Morfologi Cyrtodactylus marmoratus Gray, 1831 (Reptilia: Squamata: Gekkonidae) dari Pulau Jawa Wiradarma, Huda; Baskoro, Karyadi; Hadi, Mochamad; Hamidy, Amir; Riyanto, Awal
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Cyrtodactylus marmoratus is one of the first species described by Gray in 1831 on the island of Java that believed to have a variation of morphologic characters that not yet complete to revealed. This research aimed to develop any variation characters possessed by Cyrtodactylus marmoratus. The character morphology, morphometric, and meristic follow the statement of Hartmann (2016). Data were collected in August to November in the Lab. Herpetology MZB (Museum Zoologicum Bogoriense) LIPI (The Indonesian Institute of Sciences). Variation characters possessedÂ by Cyrtodactylus marmoratus, there are 4 Characters Morphology: Head Morph (HM), Patern Morph on the Body (PtrM), Post Cloacal Tubercles (PCT), and second post mental (PM2); a Morphometry Characters is snout-vent Length (SVL); and 12 characters Meristic are: Precloacal Pores (PP), Precloaco-femoral Pores (PFP), Enlarged Precloaco-femoral Scales (EPFS), Ventral Scales (VS), Paravertebral Tubercles (PVT), Dorsal Tubercles (DTR), Lamella Under Toe-IV (LT4), Lamella Under Toe-V (LT5), Lamella Under Finger-III (LF3), Lamella Finger-IV (LF4), Femoral Pores Left (FPL), Femoral Pores Right (FPR).

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