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INDONESIA
Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences
Published by Universitas Brawijaya
ISSN : 20875517     EISSN : 25274376     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
The Journal of Tropical Life Science (JTLS) provides publication of full-length papers, short communication and review articles describing of new finding or theory in living system, cells and molecular level in tropical life science and related areas. The journal publishes articles that report novel findings of wide Tropical Life system phenomenon in the areas of biodiversity, agriculture, fisheries, health, husbandry, forestry and environmental technology. JTLS has 1 volume with 3 issues per year.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 14 No. 3 (2024): In Press" : 12 Documents clear
The Ecological Character of Water-Bioindicator Macroinvertebrates on Various Agricultural Management: Ecology of Water-Bioindicators in Agriculture kurnianto, Agung sih; Septiadi, Luhur; Hamidah, Wanda; Magvira, Nur Laila; Sholikah, Ummi
Journal of Tropical Life Science Vol. 14 No. 3 (2024): In Press
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.03.12

Abstract

In Indonesia, horticulture is a crucial part of agriculture, heavily reliant on agrochemicals. This study in East Java's Jember and Bondowoso regencies compared conventional and organic farming methods, focusing on their effects on aquatic macroinvertebrates as bioindicators. Research included sites practicing conventional horticulture (cabbage, chili) and organic rice farming. Measurements of water current, pH, conductivity, dissolved oxygen, and temperature were taken, along with macroinvertebrate sampling. Significant differences were found in pH, conductivity, and water current, but not in dissolved oxygen and temperature. Organic farming showed higher macroinvertebrate diversity and lower dominance, especially the Baetidae family. While BMWP-ASPT and EPT scores were similar across methods, organic farming rated unpolluted in biotilik scores. Hierarchical cluster analysis, PCA, and CCA revealed factors influencing the ecological impacts of farming practices. The study underscores how different agricultural methods affect macroinvertebrate diversity, highlighting their role as environmental indicators. This reflects the diverse ecological impacts of agricultural management practices.
Diversity and Efficacy Mold Rhizosphere to Control Lasiodiplodia theobromae Causing Stem-End Rot Disease on Citrus nobilis from East Kalimantan: Diversity and Efficacy Mold Rhizosphere to Control Lasiodiplodia theobromae Agustina, Nensi; Mutia Erti Dwiastuti; Triwiratno , Anang; Suharjono
Journal of Tropical Life Science Vol. 14 No. 3 (2024): In Press
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.03.05

Abstract

The current study aimed to determine the abundance and diversity of soil characteristics and their relationship with mold abundance and potential in inhibiting Lasiodiplodia theobromae, a potential rhizosphere mold species of Siamese orange plant. The pathogenic mold that causes stem-end rot disease was isolated from stems with rotting symptoms. In contrast, the antagonistic mold was obtained from isolation from the rhizosphere soil of Siamese plants. The samples were collected from Siamese orchards in East Kalimantan. The abundance and diversity of molds on swamp land are higher than on dry land. A total of 28 molds were found in the rhizosphere of Siamese orange plants. Mold abundance was positively correlated with soil moisture, organic matter, C-Organic, and N-total but negatively correlated with temperature and pH. Soil chemical characteristics directly influence mold abundance, while soil chemical characteristics indirectly influence it. 21 out of 28 isolates were Biological Control Agents (BCA). TR37 mold has the highest inhibitory power of 89.31% of the D13.C2 pathogen that causes stem-end rot disease. ITS rDNA sequence homology shows that the TR37 mold identified as Trichoderma reesei, while pathogen Lasiodiplodia theobromae causes stem-end rot disease

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