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Research Journal of Life Science
Published by Universitas Brawijaya
ISSN : -     EISSN : 23559926     DOI : https://doi.org/10.21776/ub.rjls
Core Subject : Health, Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology
Research Journal of Life Science (RJLS) is an open access publishes papers three times a year that emphasize the agriculture, fisheries, animal science, medicine, basic science and food technology. All articles are rigorously reviewed by reviewers. Articles should be created in a language that is easily understood by non-specialist readers in the topic of the article itself, but interested in research. The main objective of RJLS is to provide a platform for the international scholars, academicians and researchers to share the contemporary thoughts and innovations in the field of life science. RJLS aims to promote studies in life science and so become the leading international journals in life science in the world.This journal intends to provide facilities to advance the development and application of interdisciplinary and transdisciplinary research methodologies in life sciences.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 202 Documents
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Effect of Temperature on the Germination and Spread of the Mycelia of Sporisorium scitamineum Fungus Causes Smut Disease in Sugarcane Tasya, Tasya; Muhibuddin, Anton; Sektiono, Antok Wahyu; Hidayah, Nurul
Research Journal of Life Science Vol 11, No 1 (2024)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2024.011.01.3

Abstract

Sugarcane is presumed to be susceptible to smut disease caused by a basidiomycete fungus, Sporisorium scitamineum. One environmental condition that influences the disease's development is temperature. However, information related to smut disease, especially the influence of the environment (temperature) on the growth of S. scitamineum in sugarcane, is limited. Therefore, studying the effect of different temperature ranges on S. scitamineum growth is necessary. The research, which was arranged using a completely randomized design with 3 (replicates) consisted of two treatments, including temperatures (20, 25, 30, and 35°C) and incubation time (1, 2, 4, and 6 hours). The teliospore suspension was inoculated on a water agar medium and incubated at different times and temperatures. After each allocated time, the plates were taken from the incubator, and then germination of teliospores was observed under a compound microscope. In addition, we also conducted research on the effect of inoculation temperature (25, 30, and 35°C) on the mycelial distribution within sugarcane tissue. The bud setts were immersed in teliospore suspension for 10 minutes at different temperatures, then planted in the polybags and kept for one and two weeks. The results showed that temperature affected the germination of S. scitamineum teliospores, in which the highest germination (92,3%) occurred at 30°C. On the other hand, the lowest germination was at 20°C with 0% germination after 1 hour incubation time. The in vivo study revealed that the distribution of mycelia within sugarcane tissue was similar, either incubated in one or two weeks.
Altitude-Dependent and Host Variety in Fruit Fly Populations: A Study on Bactrocera spp. in East Java Hamdoen, Fadel Muhammad; Tarno, Hagus; Syamsulhadi, Mochammad; Gandaseca, Seca
Research Journal of Life Science Vol 11, No 1 (2024)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Oriental fruit fly (Bactrocera spp.) are one of the most invasive pests, known for their severe impact on causing damage to wide variety of comodities. In Indonesia, as an agricultural country, possesses vast agricultural areas, in which Bactrocera fruit flies pose a persistent threat to production, particularly in regions known for horticulture. This study aims to identify key environmental drivers influencing their distribution and abundance. A cross-sectional study was conducted across thirteen locations located in four regencies and cities within East Java, Indonesia. Fruit fly samples were collected using a purposive random sampling method, with the quantity of samples adjusted to the fruit availability at the research site. The results showed that B. albistrigata, B. carambolae, and B. dorsalis exhibit strong ecological overlap, sharing similar host plants and environmental preferences, which facilitate their coexistence. Furthermore, the research provides a foundation for predicting potential shifts in population distribution in response to climate change, enabling proactive measures to safeguard vulnerable agricultural systems.

Page 21 of 21 | Total Record : 202

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