First report of Enterobacter sp. causing bacterial wilt on patchouli in Aceh, Indonesia

Abstract. Zulfadli, Wasistha NI, Oktarina H, Khairan, Sriwati R. 2023. First report of Enterobacter sp. causing bacterial wilt on patchouli in Aceh, Indonesia. Biodiversitas 24: 3814-3820. Patchouli (Pogostemon cablin Benth), is an essential commodity Indonesia, with Aceh Jaya being one its main producing regions. Several incidences disease symptoms have been reported plantations Ranto Sabon, Sampoianet Sub-district, District. This study aimed to isolate and identified the pathogen responsible for Jaya. Various tests, including morphology characterization molecular characteristics using 16s PCR primer, hypersensitive test, pathogenicity test were conducted identify cause disease. The isolation result revealed that was invading plant. Further testing carried out various culture media Nutrient Broth, Tryptic Soy, Kings B, Sulfide Indole Motility, Sucrose Potato Agar, Yeast Agar. highest colony density found Soy (2.002) after 120 hours inoculation. results hypersensitivity tests showed caused similar those natural infection. Among all media, Agar had fastest incubation period, 7 48 days Therefore, this first presence associated Aceh.