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All Journal Tropical Wetland Journal Jurnal Proteksi Tanaman Tropika Agroekotek View Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Ilung (Inovasi Lahan Basah Unggul) Jalujur: Jurnal Pengabdian Masyarakat jurnal proteksi tanaman tropika
Yusriadi Marsuni
Prodi Proteksi Tanaman Fakultas Pertanian Universitas Lambung Mangkurat
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Uji Efektivitas Ekstrak Daun Kratom (Mitragyna speciosa Korth) dalam Menekan Bakteri Ralstonia syzygii subsp. indonesiensis secara In Vitro Awallia Puspita Sari; Yusriadi Marsuni
JURNAL PROTEKSI TANAMAN TROPIKA Vol. 9 No. 1 (2026): Edisi 9(1): Februari 2026
Publisher : www.ulm.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jptt.v9i1.3665

Abstract

Bananas are a major horticultural commodity that makes a significant economic contribution in Indonesia. However, the productivity of this crop has declined drastically due to a blood disease infection caused by the banana. Blood Disease Bacterium (BDB). One type of pathogenic bacteria in the BDB group isRalstonia syzygii subsp. indonesian, which is known to be highly aggressive and easily spread. Efforts to control this disease generally rely on the use of synthetic bactericides, which risk environmental pollution and the development of pathogen resistance. Therefore, safer and more sustainable control alternatives are needed, such as the use of botanical pesticides from local plants. This study aims to evaluate the antibacterial activity of kratom leaf extract (Mitragyna speciosaKorth) on growthR. syzygii subsp. indonesianKratom leaf extract was obtained through a maceration method using 96% ethanol as a solvent, and antibacterial testing was conducted using agar diffusion techniques using paper discs. The extract concentrations tested included 5%, 10%, 15%, 20%, and 25%. The results showed that administration of kratom leaf extract (Mitragyna speciosa) at various concentrations is able to inhibit bacterial growthRalstonia syzygii subsp. indonesianin vitro. The average diameters of the inhibition zones observed for concentrations of 5%, 10%, 15%, 20%, and 25% were 4.15 mm; 6.71 mm; 7.75 mm; 8.39 mm; and 10.00 mm, respectively, while the control (0%) showed no antibacterial activity (0 mm). Further DMRT test results at the 5% level showed significant differences between treatments. This indicates that kratom leaf extract has potential as an antibacterial agent with the highest effectiveness obtained at a concentration of 25%.
Co-Authors Atiatul Jannah Awallia Puspita Sari Defa Yulia Irfanti Devaliana Catria Fikasari Dewi Fitriyanti Elfirdha Anas Mufidah Elvina Royani Maliq Fauji Rahman Harmi Harmi Helda Orbani Rosa Herlda Orbani Rosa Imam Sohibi Irfan Irfan Ismed Fachruzi Ismed Setya Budi Liestiany, Elly Lisna Erliana Mahmudah Mamudah Mariana Mariana Melda Amelia Misda Misda Muhammad Indar Pramudi Muhammad Mijan Gulam Muhammad Saupi Mujalipah . Noor Aprilliana Noor Laili Aziza Noor Laili Aziza Putri Wulan Cahyani Rahmiyati Rahmiyati Raudhatul Jannah Rias Rahmi Saipul Abbas Salamiah Salamiah Salamiah Salamiah Salamiah Salamiah Salamiah Samharinto Samharinto Selamat Zulkipli Sepe, Muslimin SITI FATIMAH Siti Munawaroh Sitti Nuur Jannah Sri Wahyuni Vera Trichoderma Winda Duwi Lestari