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NICHE Journal of Tropical Biology

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Published by Universitas Diponegoro

ISSN : - EISSN : 26148307 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

NICHE Journal of Tropical Biology is an open access journal that publishes original research across all areas of life sciences in tropical region. The objective of the journal is to disseminate all information across fields of biology as well as to contribute to the understanding and development of life science in the tropics. The topics of research are not only on Indonesian tropical biology but also in other tropical regions of the world.

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Articles 6 Documents

Search results for , issue "Vol. 2, No. 2, Year 2019" : 6 Documents clear

Isolasi bakteri asam laktat dari tape ketan dan potensinya sebagai agen antikapang terhadap pertumbuhan Aspergillus flavus Peni Koriasih; Siti Nur Jannah; Budi Raharjo
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

Keanekaragaman jenis tumbuhan paku epifit di Hutan Petungkriyono Kabupaten Pekalongan, Jawa Tengah Indri Lestari; Murningsih Murningsih; Sri Utami
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

The expression of glucanase encoding gene (CaβGlu)in chili (Capsicum annuum L.) as a response to Fusarium oxysporum infection Yunnia Rahmandanni; Sri Pujiyanto; Rejeki Siti Ferniah
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

Indonesia is a tropical country with highest level of biodiversity, especially in the agricultural sector. Chili (Capsicum annumm. L) is a very well-known and widely used agricultural product in the world, which makes chili becomes one of the most considerable national product. The chili production is oftentimes very susceptible to some diseases caused by virus, fungi, or bacteria. One of the most common diseases in chili cultivation is Fusarium wilt, which is caused by Fusarium oxysporum. This disease can cause a major loss and up to 50% crop failure. Many procedures have been done to find the best cultivar with a resistance trait to Fusarium oxysporum, including by observing and testing the chili’s genetic resistance. One of the resistance genes in chili is β -1, 3- glucanase-encoding gene, which produces an enzyme to hydrolize the cell wall of pathogenic fungi. This research aimed to determine the expression of the glucanase-encoding gene (CaβGlu) in chili as a response to Fusarium oxysporum infection. The methods including chili cultivation, F. oxysporum inoculation, isolation of chili leaves RNA, glucanase-encoding gene expression analysis used qRT-PCR, and data analysis. The result of CaβGlu gene expression is higher than the control in the first 6 hours after inoculation, and decreasing in the 48th and 96th hours. The conclusion was the infection of Fusarium oxysporum is activating the expression of CaβGlu gene which was expressed best in the first 6 hours after inoculation.

Isolasi khamir penghasil enzim inulinase dari buah kersen (Muntingia calabura) serta pengaruh mikronutrien mangan (Mn) pada produksi enzimnya Fitri Ulfana Risky; Wijanarka Wijanarka; Sri Pujiyanto
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

Community structure of soil microarthropods in active and passive zones of Ngronggo landfill Salatiga Psn Masruri Sulistiyanto Ari; Rully Rahadian; Udi Tarwotjo
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

Soil microarthropods play a key role in decomposing organic materials. The objectives of this study were to compare the structure of soil microarthropods communities in the active and passive zones of Ngronggo landfill Salatiga. The sampling of ten soil samples in each active and passive zones was performed for soil microarthropods extraction and soil physical-chemical analysis. Soil microarthropods were extracted using modified Barlese-Funnel. Soil microarthropods data were analyzed to determine abundance, diversity, and similarity. Physical-chemical factors were measured, including soil texture, heavy metal content (Pb, Cd, Cu, Zn, and Hg) and organic matter. The results show that all attributes of structure of soil microarthropods communities in active zone are higher than in passive zone, i.e., the density, the species richness, the species diversity, and the evenness. In both zones, the composition of soil microarthropods tend to be different.. Organic matter is likely the most important soil physicochemical factors to form the microarthropod structure in active and passive zones. This study contributes a new information about the role of soil microarthropods in decomposing the disposal waste of material and it would be benefit for developing a bioindicator of waste decomposition in landfill area.

Karakterisasi morfologi dan fisiologi dari tiga varietas kentang (Solanum tuberosum L. ) di Kabupaten Magelang Jawa Tengah Yulita Nurchayati; Nintya Setiari; Nita Kumalasari Dewi; Fella Suffah Meinaswati
NICHE Journal of Tropical Biology Vol. 2, No. 2, Year 2019
Publisher : Department of Biology, Faculty of Sciences and Mathematics, Universitas Diponegoro

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Jawa tengah

INDONESIA