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Jurnal Biologi Universitas Andalas
Published by Universitas Andalas
ISSN : -     EISSN : 23032162     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 6, No 2 (2018)" : 6 Documents clear
Pengaruh Pupuk N dan Cekaman Kekeringan terhadap Pertumbuhan dan Kandungan Artemisinin Tanaman Artemisia vulgaris L. Elvina Sari; Zozy Aneloi Noli; Suwirmen Suwirmen
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.71-78.2018

Abstract

The research about effect of Nitrogen fertilizer and stress water on the growth and artemisinin content of Artemisia vulgaris L. has been conducted from December 2015 to March 2016 in Screen House and Plant Physiology Laboratory, Department of Biology, Faculty of  Mathematics and Natural Science, Andalas University, Padang. The purpose of this research were to the effect of  Nitrogen fertilizer, stress water, and their interaction between on the growth and artemisinin content of A. vulgaris. This research used Completely Randomized Design (CRD) in factorial with  four treatments ad three replications. The result showed that the number of leaves, plant height, length of roots, fresh weight, dry weight and of Artemisia vulgaris L. were increased significantly on N fertilizer treatments. The treatment of stress water 60% of volume capacity gave significantly effect on numbers of leaves and the highest content of Artemisinin was 80% volume capacity. The interaction of  N fertilizer and stress water did not showed significantly effect on the growth and artemisinin content of Artemisia vulgaris L.
Pengaruh Ekstrak Daun Tumbuhan Mikania micrantha Kunth. (Invasif) dan Cosmos sulphureus Cav. (Non Invasif) Terhadap Perkecambahan Jagung (Zea mays L.) Ayu Utami Rezki; Suwirmen Suwirmen; Zozy Aneloi Noli
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.79-83.2018

Abstract

The Research about the effects of extract from the invasive plant leaves of Mikania micrantha Kunth. and non-invasive plant leaves of Cosmos sulphureus Cav. on the germination of corn (Zea mays L.) has been conducted in July 2016 in Plant Physiology and Tissue Culture Laboratory, Biology Department, Mathematics and Natural Science Faculty, Andalas University, Padang. The aim of this research was to compare the effect of extract from the leaves of plants M. micrantha and C. sulphureus with several concentrations on the germination of corn. The research used experimental method with Completely Randomized Design (CRD) on Nested, 9 treatments and 4 replications. The treatments were factor A (type of plants, a1= Mikania micrantha and a2= Cosmos sulphureus) and factor B (leaf extract concentration, b0= 0%, b1= 20%, b= 40%, b3= 60%, b4= 80%). The results showed that the extract of the leaves from M. micrantha affected to reduced the fresh weight plants at concentration of 20%, where as in leaf extract of C. sulphureus affected to reduced the fresh weight plants at concentration of 40%.
Komunitas Makrozoobentos di Sungai Suir dalam Area Perkebunan Kelapa Sawit PT. Tidar Kerinci Agung Muhammad Syahid Ridho; Izmiarti Izmiarti; Jabang Nurdin
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.84-89.2018

Abstract

The aim of this research was to know the composition and structure of macrozoobenthic community in Suir Stream at palm oil plantation area of PT. Tidar Kerinci Agung (TKA) has been conducted in February 2016 using survey method and purposive sampling technique in collecting data. Study sites consist of four stations based on condition around the stream. Macrozoobenthic community were sampled using surber net method with triplicate and accompanying physic-chemical measurements on each station. The results of this research show that 54 genera of macrozoobenthic were found consist of Insecta 44 genera, Oligochaeta 8 genera, Turbellaria and Gastropoda one genus respectively. The density of macrozoobenthic community range from 259.26-507.41 ind/m2 with average 381 ind/m2. The highest was found in station II dan the lowest was in station IV. The dominant genera (relative abundance > 10 %) in station I was Eukefferiella, station II Eukefferiella and Antocha, station III Tubificidae and Lumbriculus, station IV Eukiefferiella, Pseudocleon and Haplotaxis. The diversity of macrozoobenthic community was classified as moderate (H’= 1.25-2.94) and high equitability (E=0.54-0.84).
Jenis-Jenis Carnivora di Kawasan Suaka Alam Malampah, Sumatera Barat, Indonesia Nindy Ladyfandela; Wilson Novarino; Jabang Nurdin
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.90-97.2018

Abstract

An inventory of Carnivore species in Malampah Nature Reserve, West Sumatra had been conducted between Mei-August 2016. After a total of 303 trap nights, this study documented 19 species of mammals from 3 families of which 6 species from Carnivora. The documented carnivores were Catopuma temminckii (17 photos), Neofelis diardi (5 photos), Pardofelis marmorata (2 photos), Helarctos malayanus (3 photos), Paguma larvata (5 photos), and Prionodon linsang (1 photo). The finding on Carnivore was then discussed to highlight their implications for conservation.
Pengaruh Konsentrasi Giberelin (GA3) terhadap Pertumbuhan Kailan (Brassica oleracea L. Var alboglabra) pada Berbagai Media Tanam dengan Hidroponik Wick System Asih Maharani; Suwirmen Suwirmen; Zozy Aneloi Noli
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.63-70.2018

Abstract

Effect of giberelin (GA3) concentration on growth and yield of Chinese kale (Brassica oleracea L. Var alboglabra) in various medium using hydroponic wick system . This research conducted from April until July 2016 in Wire House and Plant Physiology Laboratory, Department of Biology, Faculty of  Mathematics and Natural Science, Andalas University. The purposes of this research were to obtain GA3 concentration and planting medium that accelerate growth and yield of Chinese kale and determine the interaction between GA3 and planting medium to the gowth and yield of Chinese kale planted using hydroponics wick system. This research used Completely Randomized Design (CRD) in factorial with three replications, as the first factor were concentration of GA3 (0 ppm, 20 ppm, 40 ppm and 60 ppm) and the second factor were medium (zeolite, sand, husk and sawdust). The best result in accelerated the growth of Chinese kale was the treatment at the concentration of 60 ppm GA3 and zeolite was suitable medium to Chinese kale growth. This research found the interaction between GA3 and medium on the length of the roots Chinese kale used hydroponic wick system.
Pengaruh Komposisi Media Tanam dan ZPT Air Kelapa terhadap Pertumbuhan setek pucuk Jeruk Kacang (Citrus reticulata Blanco). Rivo Yulse Viza; Arista Ratih
Jurnal Biologi Universitas Andalas Vol 6, No 2 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.6.2.98-106.2018

Abstract

‘Limau kacang’ has been a specialty crop in the Solok region of West Sumatra. The spread of Citrus reticulata Blanco is still experiencing barriers and the population is threatened with extintion. Overcome the problem is done propagation of Citrus reticulata Blanco vegetatively with shoot cutting. The experiment on the influence of different growing media and hormonal growth of coconut water to the shoot cutting of Citrus reticulata Blanco has been accomplished at kanagarian Kacang Kecamatan X Koto Singkarak, Kabupaten Solok, this experiment started in June to October 2017. This research used Randomized Completely Block Design (RCBD) Factorial. The first factor was four different growing media (soil, soil : manure, soil : husk, soil : sand) while the second factor was two level coconut water concentrations (0% and 25%) with three replication. Variables analiyzed were the survival percentage, while emerging shoots, shoot length, number of leaf, number of shoot, number of root and root length. The result of this research showed that A3B0 treatment (planting media soil : manure without coconut water as hormonal growth) gave the best influence to the growth of shoot cuttings of Citrus reticulata Blanco. 

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