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Pengaruh Bakteri Endofit Padi terhadap Penyakit Busuk Bulir Bakteri dan Pertumbuhan Tanaman Padi: Effects of Rice Endophytic Bacteria on Bacterial Grain Rot Disease and Rice Growth Rahmadhani, Nahrisa; Munif, Abdul; Nawangsih, Abdjad Asih
Jurnal Fitopatologi Indonesia Vol. 21 No. 1 (2025): Maret 2025 - IN PROGRESS
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.21.1.51-63

Abstract

Effects of Rice Endophytic Bacteria on Bacterial Grain Rot Disease and Rice Growth Bacterial grain rot disease, caused by Burkholderia glumae, is an important disease that can reduce rice yields and is a seed-borne disease. Biological control through biopriming using endophytic bacteria is an alternative disease control method that has been widely used in various crops. This study aimed to assess the potential of endophytic bacteria from six rice varieties using biopriming techniques in controlling B. glumae and their ability to stimulate rice growth. The research stages consisted of isolation and biosafety testing of endophytic bacteria with potential as biological agents, in vitro antagonism assay against B. glumae using the cross streak method, phytotoxicity assay of endophytic bacteria on rice seeds, selection of potential bacteria using the analytical hyphenation process (AHP) method, and examining the ability of biopriming to control B. glumae and its effect on rice vegetative growth. A total of 133 endophytic bacterial isolates were successfully isolated from six rice varieties, and 27 isolates met the biosafety test requirements. In vitro and in vivo assay showed that eight isolates exhibited antagonistic activity against B. glumae, and 25 isolates increased rice seed germination. Three isolates were selected based on AHP results, i.e. BBZN3, BBAR4, and AKPAT4. Of these three isolates, AKPAT4 was the best at increasing the vigor index and germination level of rice seeds, as well as suppressing disease incidence and severity.
Co-Authors Abdjad Asih Nawangsih Adhatus Solichah Ahmadiyah, Adhatus Solichah Ahmadiyah, Adhatus Solichah Akhmad Rizali Andrean Hutama Koosasi Anggraini, Ratih Nur Esti Anwar Rosyidi Ardana Jati Adyatmanto Aris Tri Wahyudi Asmoro, Prayogo Probo Daniel Happy Putra Darlis Herumurti Dede Setiadi Desy Nurbaiti Rahmi Dewi Sukma Dini Adni Navastra Diniar Nabilah Ghassani Dwi Retno Sari, Dwi Retno Dwi Sunaryono Efi Toding Tondok Eko Wahyu Wibowo Elis Nina Herliyana Endah Retno Palupi Endang Wahyu Pamungkas Ginardi, Raden Venantius Hari Giyanto Hanif, Andini Heriyanto Syafutra Hidayat, Husnul Hidayati, Shintami Chusnul Hidayatullah, Deden I Made Aditya Pradnyadipa Mustika I Made Fandy Aditya Wirana IBNUL QAYIM Indahsari, Rizkhi Indiyanti, Nurul Fitria Irfan Jelata, Tedi Ivan Fadhila Kania Amalia Kartika Kartika Kelly Rossa Sungkono Kultsum, Fifit Kusumawardhani, Amelia Mardiyani, Khairunnisa’ Rahma Marianah, Lisa Mirsodi, Muhammad Mohamad Rahmad Suhartanto Mohammad Ardhiansyah Metana Putra Mohammad Oktri Radity Muhammad Taufik Nadie Fatimatuzzahro Navinda Meutia Navinda Meutia Novitasari , Wahyuning Dwi Nurul Fajrin Ariyani Prasetyo Prasetyo Prussian Eka Pradana R. V Hari Ginardi R. V. Hari Ginardi Rachmania Ilavi, Rachmania Rahajeng Dwi Permatasari Rahmadhani, Nahrisa Rahmatin Nadia Ratih Nur Esti Anggraeni Ratih Nur Esti Anggraini, Ratih Nur Esti Riyanarto Sarno Rizky Januar Akbar Ruchi Intan Tantra, Ruchi Intan Rully Soelaiman Salma Nurkhafidoh Sari, Lidia Sarwosri Sarwosri Shintami Chusnul Hidayati Shodiq Syifaudin, Ikhwan Sitanggang, Della Siti Rochimah SRI HENDRASTUTI HIDAYAT Supramana Suryo Wiyono Tanjung, Mei Rani Tengku Musri Vico Ade Candra Wati, Cheppy Wawan Kurniawan Wutsqa, Yusfia Urwatul Yudiyanto Yudiyanto Yunus Effendi