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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Jurnal Penelitian Saintek Jurnal Penelitian Humaniora INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Jurnal Ilmu Lingkungan Jurnal Sains Dasar Journal of Degraded and Mining Lands Management Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Pendidikan Biologi Indonesia Journal of Tropical Biodiversity and Biotechnology Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Indonesian Journal of Curriculum and Educational Technology Studies Al Ishlah Jurnal Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Bioedukatika Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Journal of Education Technology Jurnal Pembelajaran dan Biologi Nukleus Jurnal Abdi Insani Jurnal Pendidikan Vokasi Otomotif Jurnal Natural Jurnal Edukasi Biologi Kingdom (The Journal of Biological Studies) Jurnal Manusia dan Lingkungan IJOBI Advance Sustainable Science, Engineering and Technology (ASSET) Jurnal Pendidikan MIPA
Tien Aminatun
Biology Education, Graduate School, Universitas Negeri Yogyakarta, Jl. Colombo No. 1, Yogyakarta, Special Region Of Yogyakarta Province, 55281
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Journal : IJOBI

 1 
EFFECTIVENESS OF MAJAPAHIT LEAF EXTRACT (Crescentia cujete L.) AS A NATURAL PESTICIDE FOR BANANA LEAF ROLLER CATERPILLAR (Erionota thrax L). Pratomo, Ibnu; Aminatun, Tien; Kuswandi, Paramita Cahyaningrum
Indonesian Journal of Bioscience (IJOBI) Vol. 1 No. 1 (2023): Indonesian Journal of Bioscience (IJOBI)
Publisher : Universitas Negeri Yogyakarta in collaboration with Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijobi.v1i1.106

Abstract

This study aims to determine the effectiveness of Majapahit leaf extract (Crescentia cujete L.) on the feeding activity and mortality of the banana leaf roller caterpillar (Erionota thrax L.), and also the optimal concentration that affects the feeding activity and mortality of the banana leaf roller caterpillar (Erionota thrax L.). This research is a completely randomized design (CRD) experiment with 4 treatments and 3 replicates. In thos study, 60 third instar larvae of Erionota thrax L. were taken using the transect method from several villages in Purworejo district, Central Java. The pesticide from Majapahit leaves was made through a simple extraction method with 4 concentrations: 0%, 25%, 30% and 35%. The results showed that Majapahit leaf extract had an effect on feeding activity and mortality of the banana leaf rolling caterpillar. The optimal concentration of Majapahit leaf extract that affects feeding activity and pest mortality was 35%.
Identification and Mercury Sensitivity Test of Rhizosphere Bacteria From Ageratum conyzoides Plants Growing In Ratatotok Gold Mine, North Sulawesi Rania Nur Farida; Anna Rakhmawati; Tien Aminatun; Sri Atun
Indonesian Journal of Bioscience (IJOBI) Vol. 2 No. 2 (2024): Indonesian Journal of Bioscience (IJOBI)
Publisher : Department of Biology Education FMIPA Universitas Negeri Yogyakarta in collaboration with Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijobi.v2i2.933

Abstract

Indonesia is known for its abundant natural resources, such as gold. However, the mercury-based amalgamation method in illegal gold mining causes environmental pollution. This research explores the potential of utilizing mercury-resistant rhizosphere bacteria from Ageratum conyzoides, a gold hyperaccumulator plant, to develop an effective bioremediation strategy for contaminated gold mining areas. This descriptive-exploratory study aims to identify and determine the sensitivity of mercury in five rhizosphere bacteria isolates from previous research. Bacteria were isolated from the roots of Ageratum conyzoides growing in the Ratatotok gold mining area of North Sulawesi. Bacteria identification was determined using profile-matching methods based on microscopic, macroscopic, physiological, and biochemical features. Similarity Indexes were determined using dendrogram visualization with MVSP software. Mercury sensitivity was analyzed using the cup-plate technique, varying mercury concentrations from 0 ppm to concentrations where clear zones appeared, indicating bacterial growth inhibition. The result indicated that the five isolates were bacteria from the genera Alcaligenes, Pseudomonas, Enterococcus, Streptococcus, and Micrococcus. Notably, Pseudomonas showed the highest potential for mercury resistance, being mercury sensitive at a concentration of 470 ppm, followed by Alcaligenes (110 ppm), Enterococcus (30 ppm), and both Streptococcus and Micrococcus (20 ppm).
The Effect of Trap Crop Kenikir Treatment on Soil Arthropod Population Dynamics in Chili Cultivation Pratiwi, Vicha Rista; Aminatun, Tien
Indonesian Journal of Bioscience (IJOBI) Vol. 3 No. 1 (2025): Indonesian Journal of Bioscience (IJOBI)
Publisher : Department of Biology Education FMIPA Universitas Negeri Yogyakarta in collaboration with Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijobi.v3i1.2003

Abstract

This study aims to: (1) find out the soil arthropod family found in red chili (Capsicum annum L.) cultivation with trap crop treatment of walnut plants (Tagetes erecta L.). (2) to determine the effect of trap crop treatment of walnut plants (Tagetes erecta L.) on red chili (Capsicum annum L.) cultivation on soil arthropod population dynamics. Data collection was carried out using the pitfall trap method. The population in this study is all soil arthropods found in red chili plantation areas, then the sample from this study is soil arthropods that are trapped in the pitfall trap. This research took place during August 2021-December 2021 with 5 data collections. The data taken included climatic and edapic data on each observation as well as all types of soil arthropods on red chili plantations. The data obtained were analyzed using descriptive analysis which included the diversity index, equality index, and dominance index. The results of the study showed that 17 families of soil arthropods were obtained. The population dynamics of soil arthropods in red chili cultivation have changed over time by showing ups and downs in yields. Habitat modification with trap crop of kenikir plants as a treatment did not have a significant effect on the population dynamics of soil arthropods in chili cultivation
Co-Authors - Suyanta - Yuliati -, Paryanto A.A. Ketut Agung Cahyawan W Abdullah Nashih Amin Agung Lesmana Agung Ramadhan Agus Widyianto Aisya, Naafi Ajeng Septiana Putri Aji Suhandy Aji Suhandy Althaaf, Nabila Tsabita Amanina khusna Maulida Amin Khusnadiyah ana arifatul ummahz Anggraeni, Titis Nindiasari Anggun Andreyani Anisa Setya Hidayah Anna Rakhmawati Arifudin Idrus Arrozi, Wahyu Asri Widowati Aulia, Fera Azizah Dila Novianti Azizah Dila Novianti Baiki, Khomsa Amar Baso Samsu Rijal Bernadetta Octavia Bog, Kim Jung Budiwati Budiwati Budiwati Budiwati Budiwati Budiwati Daryono, Rihab Wit Daud Dakabesi David Meilana Nur Arifin Diah Tirta Puri Djuwanto Djuwanto Dwi Astuti Dwi Ayu Nurfaizah Dwi Novita, Ria Dwiana Muflihah Yulianti Dwiki Prasetiya Prayudi Edhi Martono Edhi Martono Ema Imtihana Endah Ratna Sari Farida Hanum Feliksitas Angel Masing Fitra Purnama Agung Fitri Rahmawati Fitri Rahmawati Fitriani Fitriani Galuh Danang Sumari gendra devi putra achir Heru Kuswanto Hutama, Ponty S.P. I Gusti Putu Suryadarma, I Gusti Putu Ibrahim, Fardan Yusuf Indah Kristiani Siringo Ringo Insih Wilujeng Ishadiyanto Salim Junita Kurniawati Kiswandini, Dina Ayu Kun Sri Budiasih Kurnia Cahyani Kusumawardani, Wening Kuswarsantyo Kuswarsantyo Laifa Rahmawati Lili Sugiyarto Lukman Ari Bahrtiar Marfuatun, Marfuatun Mualimin Mualimin muhammad irfan Muhammad Rasyid, Muhammad Mutia Ulfah Naafi Aisya Nilahazra Khoirunnisa Nrangwesthi Widyaningrum Nugroho Susetya Nugroho Susetya Putra Nur Rizki Putri Ramadhanti Nurfatonah, Fitri Nurul Endah Rahmawati1 Paramita Cahyaningrum Kuswandi Paryanto Pertiwi, Melania Citra Pratiwi, Vicha Rista Pratomo, Ibnu Putri, Rizka Apriani Raharjo, Rahmanto Rahmania Pamungkas Ramadhanti, Nur Rizki Putri Rania Nur Farida Ratnawati Ratnawati Regina Tutik Padmaningrum Reginaldis Isabella Sado REZA FAHLEVI Reza Fahlevi Rizka Apriani Putri Rizky Diah Aryani Rizky Diah Aryani Roin Fathul Arzaqi S. Djalal Tanjung S. Djalal Tanjung, S. Djalal Sabar Nurohman Sari, Tutik Utika satrio haryo pamungkas Setyo Sulistyono Simbolon, Doly Siti Ainun Jariah Siti Umniyatie Siwi Indarti Slamet Suyanto Sri Atun SRI ATUN Sri Harti Widyastuti Sudarsono Sudarsono Sugma Suhartini Suhartini Suhartini Suhartini Suhartini Suhartini Sujangka, Arsyad Sulistiyawati Sulistiyawati Sunarta Sunarta - Suratman Woro Suratman Woro Suratsih Suratsih Triatmanto Triatmanto Tutiek Rahayu Tutiek Rahayu Unayah, Habibatul Utami, Yanika Cahya Vichit Rangpan Victoria Henuhili Victoria Henuhili Wenny Pinta Litna Tarigan Wibowo, Yuni Yanuarief, Cecilia Yoga Guntur Sampurno yoyon arifta Yuliati Yulianti Yuliati Yuliati Yuni Prastiwi Mutiarani Yuni Wibowo Yuni Wibowo Yusman Wiyatmo Zaenuddin Hudi Prasojo