cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Eko Didik Widianto
Contact Email
rumah.jurnal@live.undip.ac.id
Phone
+6281390576830
Journal Mail Official
jurnalbiologi@live.undip.ac.id
Editorial Address
Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Semarang
Location
Kota semarang,
Jawa tengah
INDONESIA
Jurnal Akademika Biologi
Published by Universitas Diponegoro
ISSN : -     EISSN : 26219824     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Jurnal Akademika Biologi diterbitkan oleh Departemen Biologi Fakultas Sains dan Matematika Universitas Diponegoro Semarang. Jurnal ini sebagai media publikasi hasil karya ilmiah lulusan S1 Departemen Biologi. Jurnal Akademika Biologi menerima artikel-artikel yang berhubungan dengan bidang ilmu biologi.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol. 4 No. 1 Januari 2015" : 8 Documents clear
Pengaruh Tingkat Kepadatan Lalu Lintas dan Waktu Pengamatan yang Berbeda Terhadap Ukuran dan Jumlah Stomata Daun Glodokan (Polyalthia longifolia .Sonn) Heru Puji Raharjo; Sri Haryanti; Rini Budi Hastuti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (186.264 KB)

Abstract

Beberapa polutan yang berupa gas akan menyebabkan pencemaran udara. Adanya paparan polusi gas ini nantinya akan mempengaruhi kondisi tanaman glodokan (Polyalthia longifolia Sonn.) dalam jangka waktu tertentu. Tujuan penelitian ini mengetahui pengaruh waktu dan tingkat kepadatan lalu lintas terhadap ukuran porus dan jumlah stomata daun glodokan (Polyalthia longifolia Sonn.). Stomata merupakan tempat terjadinya pertukaran gas. Penelitian ini dilakukan pada bulan Januari sampai dengan Februari 2015 di area sekitar Kampus Universitas Diponegoro dan Laboratorium Biologi Struktur dan Fungsi Tumbuhan Fakultas Sains dan Matematika Universitas Diponegoro. Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) pola faktorial dengan dua faktor yaitu waktu dan tingkat kepadatan lalu lintas. Penelitian ini menggunakan 6 perlakuan yaitu dengan tingkat kepadatan kendaraan tinggi, sedang dan rendah yang diamati pada pagi dan sore hari, masing-masing dengan 3 ulangan. Analisis data yang digunakan adalah Analysist Varians (ANOVA), apabila menunjukkan hasil yang signifikan akan dilanjutkan dengan uji Duncan’s Multiple Test (DMRT) pada taraf kepercayaan 95%. Parameter yang diamati yaitu panjang dan lebar porus stomata, jumlah stomata, ketebalan daun, luas permukaan daun dan parameter pendukung yaitu jumlah kendaraan yang melintas. Hasil penelitian menunjukkan bahwa kepadatan lalu lintas memberikan pengaruh nyata terhadap panjang dan lebar porus stomata, serta luas permukaan daun. Sedangkan pada jumlah stomata dan ketebalan daun tidak berpengaruh nyata terhadap tingkat kepadatan lalu lintas. Waktu pengamatan memberikan pengaruh terhadap panjang dan lebar stomata. Ukuran porus terbesar terjadi pada pagi hari.Kata kunci :Glodokan (Polyalthia longofolia Sonn.), polusi, jumlah, ukuran, stomata
Pengaruh Pemupukan Organik Takakura dengan Penambahan EM4 terhadap Pertumbuhan dan Produksi Tanaman Kacang Hijau (Phaseolus radiatus L.) Z Zuhrufah; Munifatul Izzati; Sri Haryanti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (210.264 KB)

Abstract

Takakura is the research result of scientist Mr. Koji Takakura from Japan. Takakura composting is one of many composting methods not only household composting scale, but also regional scale. This method does not require large tracts of land and its capacity matches with the volume of domestic waste that is disposed by households daily. Household organic waste can be managed easily with this composting method, odorless, does not take a lot of time in the processing and the results are directly utilized. The aim of this research was to know the effect of anorganic (NPK) fertilization and takakura organic fertilization with EM4 addition on growth and production of mung bean. The research was done at Jerukgulung Village, Dempet Area, Demak Regency and Laboratory of Biology and Structure and Function of Plant Faculty of Science and Mathematics Diponegoro University. The design that was used for this research was completely randomized design with single factor, it was the kinds of fertilizer that were used. The data was then analyzed using Analisis of Variance (ANOVA) then continued with Duncan Multiple Test (DMRT) at significant rate 95% to find the real difference. The parameters used were the plant height, number of leaves, number of flower, number of fruit, number of seed, plant fresh weight, fruit fresh weight, seed fresh weight, plant dry weight, fruit dry weight and seed dry weight. The result shows that takakura organic fertilization with EM4 addition influences the plant height, number of leaves, number of flower, number of fruit, plant fresh weight, fruit fresh weight, seed fresh weight and plant dry weight, but doesn’t has any influence to number of seed, fruit dry weight and seed dry weight. Keywords: takakura, anorganic, mung bean (Phaseolus radiatus L.), growth, production.
Pengaruh Rendaman Eceng Gondok (Eichhornia crassipes [Mart.] Solms) Terhadap Daya Predasi Mesocyclop jakartensis Alekseev Dheanda Absarina; Rully Rahadian; mochamad Hadi
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (86.252 KB)

Abstract

Aedes aegypti has been reported as vectors of diseases, including dengue fever (dengue hemorrhagic fever) and Chikungunya. Various efforts have been done to overcome A. aegypti either physically, chemically and biologically control. However, these efforts have not been successful in reducing the density of the vector. The objectives of this study was to compare predation of M. jakartensis on A. aegypti mosquito larvae in several type of water i.e., well water (control), hyacinth infusion and hay infusion. The research method used complete randomized factorial design. Its effect on predation capability test of M. jakartensis used bioassay method on 25 initial instar larvae and 5 individuals of M. jakartensis. Predation capabilities test was analyzed using one-way ANOVA test. Correlation of the chemical factors on capabilities of M. jakartensis predation on the treatments was analyzed statistically using the Spearman test. The results show that predation capabilities of                      M. jakartensis on A. aegypti larvae are as follows, control > Hyacinth (3: 7) > Hay (1: 9) > Hyacinth (1:9). The percentage of predation for each treatment are 93,3; 72,0; 66,7 and 64,0%, respectively. Statistically, predation capabilities of M. jakartensis on A. aegypti larvae in each treatmens is not significantly different (P > 0.05). Hyacinth infusion is unproven in improving the predation of M. jakartensis on A. aegypti larvae, but it does not inhibit capabilities of M. jakartensis predation.  Keywords : Aedes aegypti, Eichhornia crassipes, Mesocyclop jakartensis
KAPASITAS LAPANG DAN PERTUMBUHAN CABAI MERAH KERITING (Capsicum annum L.) PADA JENIS DAN PEMBENAH TANAH YANG BERBEDA Novi Sultonia Farida; Sri Widodo Agung Suedy; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.091 KB)

Abstract

Clay and sandy soil are critical area that have been damaged due to the very low rainfall or poor soil texture and in result recuding the function of water and soil. Such soils can be restored by using repairing soil materials tahat can improve soil structure by affeeting the soil field capacity and pull through the water. In result, it can support the growth of plant. The addition of repairing soil can increase field capacity and the growth of curly red chili. This study aims to determine the effect of repairing soil, soil types (clay and sandy) and the interaction between soil types and repairing soil soil that affecting field capacity and the growth of curly red chili. The research was conducted in Ringinarum village, Kendal, and plant BSF Laboratory, FSM Undip. The research design was a Completely Randomized Design (CRD) with a 2x3 factorial pattern, each treatmentnhad 3 repetitions. The firs factor was soil (T): Sandy (P) and Clay (L), while the second factor: S0 (control/without repairing soil), S1 (rice husk repairing soil) and S2 (rice straw repairing soil). Analysis of the data was using Analysis of Variance (ANOVA) followed by Duncan’s Test significant difference of Multiple Range Test (DMRT) at the 95% significance level. The observed parameters were field capacity, plant height, number of leaves, fresh weight and dry weight of chilies. The results showed that the addition of repairing soil affected the field capacity and the growth of curly red chili. Field capacity of control (without repairing soil) of 17,3%, rice husk repairing soil of 66,76%, and rice straw repairing soil of 80,51% (increased). The addition of repairing soil of rice straw was more optimal that rice husk and soil without repairing soil. The plant was better growth on clay than on sandy soil. Keywords : sandy soil and clay soil, repairing soil, field capacity, rice husk, rice straw
Pengaruh Jenis dan Konsentrasi Larutan Perendam Alami Terhadap Perkecambahan Biji dan Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq). A Amirudin; Endah Dwi Hastuti; Erma Prihastanti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.935 KB)

Abstract

Oil palm (Elaeis guineensis Jacq) is one of the leading commodity Indonesian plantation product that has economic value International market. In the process of oil palm cultivation experience problems due to oil palm seeds have a hard endocarp and contain lignin content is high enough that it is difficult to germination. Purpose of this study the effect of the type and marinade solution concentration as well as the interaction between the type and concentration of  the  solution  marinade  for  seed  germination  and  seedling  growth  of  oil  palm  (Elaeis guineensis Jacq). This research is random full factorial design consisting of two factor 2 x 5. The first factor is the type of marinade: coconut water and cow urine, the second factor is the concentration of  the solution marinade. This study uses 10 treatments with 3 repetitions. Parameters observed that the percentage of germination, plant height, leaf number, leaf color, number of roots, fresh weight and dry  weight.  Analysis of the data used is Analysist of Variances (ANOVA) showed a significant effect if it continued with Duncan’ Multiple Range Test (DMRT) at the level of 95%. The results showed that the type of marinade effect on plantheight. The results showed that the percentage of seed germination is influenced by the concentration of soaking solution with the highest rates at a concentration of 75% was kind of marinade between coconut water and cow urine had no effect. Oil palm seedling growth is influenced by the type of solution shredded  coconut milk and cow urine concentration and interact with the marinade. Type shredded cow urine at a concentration of 75% to produce the highest seedling growth.Keywords: Oil Palm (Elaeis guineensis Jacq), Coconut milk, Cow urine,     Germination, Seed
Aktivitas Antioksidan Dan Nilai Gizi Dari Beberapa Jenis Beras Dan Millet Sebagai Bahan Pangan Fungsional Indonesia Adriamin Azis; Munifatul Izzati; Sri Haryanti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.245 KB)

Abstract

In recent time, there is a change in diet behavior of people. Food color is potential as antioxidant activity, such as rice and millet. These two type of grain are potentialy been used as functional food. This study is aimed to analyze antioxidant activity and nutrition content in several rice and millet. The antioxidant activity of Garcinia skin was used as control. The antioxidant activity was measured by DPPH method. This research was designed by descriptive quantitative. Parameters was measured including antioxidant activity, water content, ash, fiber, fat, and protein content. Resuls  from this study showed that red rice (Oryzanivara L.) has the highest antioxidant activity, as much as 95,05%. This antioxidant activity is 0.92% higher than Garcinia skin. The fiber content in red rice was also the highest, wich is 7,50%, wihie the protein content was 13,78%. The black rise, has content 13.58% of protein. Antooxidant activity of pearl millet (Pennisestumnglaucum) was 4.92%, and protein content as much as 13,57%. Panicummiliaceum has higher antioxidant activity (8,09%) and 11,21% of protein content. The fiber content of Pennisestumglaucumwas 9,33%, while Panicummiliaceumwas 5,75%.Keyword: Antioxidant, food, rice, millet
Interaksi Antara Aplikasi Gelombang Suara Sonic Bloom dan Jenis Pupuk Cair Terhadap Jumlah dan Pembukaan Stomata serta Pertumbuhan Tanaman Jagung (Zea mays L.) Mentari Putri Pratami; Sri Haryanti; Munifatul Izzati
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.982 KB)

Abstract

Sonic bloom sound waves at a frequency of 3500-5000 Hz is able to stimulate the openedstomata which incrases the rate and efficiency of nutrients absorption that are applied through the leaves that are beneficial to the plant. By adding liquid organic and inorganic fertilizer as an effort to enhance the growth of cornplant. The purpose of this research is to know thesonic bloom application and liquid fertilizer to the growth of cornplant. This research was conducted in July until November 2014 in Laren village, sub district of Bumiayu, Brebes Regency and Laboratory structure and function of plant biology, FSM Diponegoro University. The arrangment used is the full factorial pattern of random design (RAL) with two factors, namely the sonic bloom application and liquid fertilizer. This research using six treatments, each of treatment are three replicates. The analysis of data used is Analysist of Variances (ANOVA), if it shows significant results then continued with the test duncan’s multiple test (DMRT)in fact 95% level. Parameters were observed such as number of stomata, the length and width of the opened stomata, height of plant, number of leaves,weight on fresh, weight on dry. The result showed that the application of sonic bloom real effect aganist the length and width of the opened stomata, number of leaves, weight on dry. By adding liquid fertilizer have the real effect of the lenght and width of the opened stomata, high of plants, weight on fresh, weight on dry. Furthermore giving of liquid organic fertilizer has more optimal result.Keywords :corn (Zea mays L.), sonic bloom, liquid fertilizer, stomata, growth.
Pengaruh Kombinasi Hormon Tumbuh Giberelin dan Auksin terhadap Perkecambahan Biji dan Pertumbuhan Tanaman Karet (Hevea brasiliensis Mull. Arg.) Kunta Adi Tetuka; Sarjana Parman; Munifatul Izzati
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.062 KB)

Abstract

Rubber tree (Hevea brasilliensis Mull. Arg.) are commodities that have an important role in Indonesia. Gibberellin and auxin can accelerate seed dormancy breaking. The aim of this research was to study the effects of gibberellin and auxin on the germination and growth of Hevea brasilliensis Mull. Arg. This research was conducted in December 2014 until Pebruary 2015 in Bringin village, sub district of Bringin, Semarang Regency and Laboratory structure and function of plant biology, FSM Diponegoro University. The arrangment used is the full factorial pattern of random design (RAL) with two factors, namely the gibberellin (G0,G1,G2) and auxin (I0,I1,I2). This research using nine treatments, each of treatment are three replicates. Parameters were observed such as percent of germination, rate of germination, height of plant, number of leaves,length of the roots, wet weight, and dry weight. The analysis of data used is Analysist of Variances (ANOVA), if it shows significant results then continued with the test duncan’s multiple test (DMRT)in fact 95% level. The results showed that the hormone gibberellin 100 ppm to provide maximum results for improving germination percentage and germination rate Hevea brasilliensis Mull. Arg. Gibberellin100 ppm increasing germination percentage up to 28%  and germination rate up to 45%. Combination of 200 ppm gibberellin and auxin 100 ppm to provide maximum results for plant height with the increase reached 61%, wet weight up to 100 % and dry weight up to 159%. Key words: Hevea brasilliensis Mull. Arg., gibberellic acid, indol-3-acetic acid, germination, growth.

Page 1 of 1 | Total Record : 8

 1 

Filter by Year

2015 2015


Reset
Filter By Issues
All Issue Vol. 10 No. 1 Januari 2021 Vol. 9 No. 2 Juli 2020 Vol. 9 No. 1 Januari 2020 Vol. 8 No. 2 Juli 2019 Vol. 8 No. 1 Januari 2019 Vol. 7 No. 4 Oktober 2018 Vol. 7 No.3 Juli 2018 Vol. 7 No.2 April 2018 Vol. 7 No. 1 Januari 2018 Vol. 6 No. 4 Oktober 2017 Vol. 6 No. 3 Juli 2017 Vol. 6 No. 2 April 2017 Vol. 6 No. 1 Januari 2017 Vol. 5 No. 4 Oktober 2016 Vol. 5 No. 3 Juli 2016 Vol. 5 No. 2 April 2016 Vol. 5 No. 1 Januari 2016 Vol. 4 No. 4 Oktober 2015 Vol. 4 No. 3 Juli 2015 Vol. 4 No. 2 April 2015 Vol. 4 No. 1 Januari 2015 Vol. 3 No. 4 Oktober 2014 Vol. 3 No. 3 Juli 2014 Vol. 3 No. 2 April 2014 Vol. 3 No. 1 Januari 2014 Vol. 2 No. 4 Oktober 2013 Vol. 2 No. 3 Juli 2013 Vol. 2 No. 2 April 2013 Vol. 2 No. 1 Januari 2013 Vol. 1 No. 1 Oktober 2012 More Issue