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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
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Articles 12 Documents
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Search results for , issue "Vol 1, No 1 (2012)" : 12 Documents clear
Jenis-jenis Rayap (Isoptera) di Kawasan Hutan Bukit Tengah Pulau dan Areal Perkebunan Kelapa Sawit, Solok Selatan Alan Handru; Henny Herwina; - Dahelmi
Jurnal Biologi Universitas Andalas Vol 1, No 1 (2012)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.1.1.%p.2012

Abstract

An inventarisation of termites (Isoptera) at a fragmented forest (Bukit Tengah Pulau) and palm oil plantation at Solok Selatan was conducted from March to December 2011. Direct sampling method was used to collect termites at three habitats types: forest edge, forest interior, and palm oil plantation. Five species of termites that belonged to two subfamilies were recorded i.e. Hospitalitermes hospitalis Haviland, Longipeditermes mandibulatus Thapa, Nasutitermes sp. (Nasutitermitinae), Termes rostratus Haviland, and Pericapritermes sp. (Termitinae). Four species were found at forest edge, three species at forest interior and two species at palm oil plantation. The only one species (Pericapritermes sp.) was found at all three habitat types.Keywords: termites, forest of Bukit Tengah Pulau, palm plantation, nasutitermitinae, termitinae.
Pertumbuhan dan Uji Kualitatif Kandungan Metabolit Sekunder Kalus Gatang (Spilanthes acmella Murr.) dengan Penambahan PEG untuk Menginduksi Cekaman Kekeringan - Zulhilmi; - Suwirmen; Netty W Surya
Jurnal Biologi Universitas Andalas Vol 1, No 1 (2012)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.1.1.%p.2012

Abstract

The study about the growth and qualitative test of secondary metabolite content of the callus culture of Spilanthes acmella Murr. with addition of PEG to induce drought stress had been done used completely randomized design with six treatments and six replications. The treatments were the addition of PEG in various consentration : 1%, 2%, 3%, 4%, 5% and control (without addition of PEG). The result showed that the addition of PEG to medium could decrease fresh weight of callus. The fresh weight of callus was decrease significantly by addition 5% PEG. On the qualitative test of secondary metabolite, alkaloid content was increase by addition of 2% - 5% PEG (++), terpenoid content was increase by addition 3% - 4% PEG (++) and fenolik was found on 4% PEG (+).Keywords: callus culture, secondary metabolite, PEG, drought stress, Spilanthes acmella

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