PUSPITA SARI, A.; MARSUNI, Y. . The Effectiveness of Kratom Leaf Extract (Mitragyna speciosa Korth) in Suppresses Ralstonia syzygii subsp. indonesiansis in Vitro. JURNAL PROTEKSI TANAMAN TROPIKA, [S. l.], v. 9, n. 1, p. 1342–1349, 2026. DOI: 10.20527/jptt.v9i1.3665. Disponível em: https://jtam.ulm.ac.id/index.php/jpt/article/view/3665. Acesso em: 23 sep. 2026.