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Journal : Buletin Palma

Karakterisasi Bakteri Endofit Kitinolitik sebagai Agens Biokontrol Patogen Ganoderma boninense pada Kelapa Sawit [Characterization of Chitinolytic Endophyte Bacteria as Biocontrol Agents of Ganoderma boninense Pathogen on Oil Palm] Rahma Rahma; Tutik Kuswinanti; Ade Rosmana
Buletin Palma Vol 20, No 1 (2019): Juni 2019
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bp.v20n1.2019.35-43

Abstract

Basal stem rot caused by Ganoderma boninense is one crucial disease in oil palm. The used of chitinolytic bacteria is one part of biological control to suppress G. boninense. This study aimed to isolate and characterize chitinolytic bacteria associated with roots of oil palm which have the potential as agents biocontrol against the pathogens of G. boninense, the caused of basal stem rot disease of oil palm. The study was conducted in North Luwu, East Luwu, and Makassar Districts from January to September 2017. The research was done in  four stages that consist of isolation of endophytic bacterial, testing chitinolytic activity, testing antagonistic and biochemical identification. The results showed that from 14 bacterial isolates obtained, two of them had chitinolytic activity with index of 2,35 and 3,37 respectively. Both of these bacteria can inhibit G. boninense on solid medium by 24,9% and 69,4% respectively and on the liquid medium by 47,5% and 68,5% respectively five days after inoculation. Based on biochemical characterization, these bacteria have similarities with Bacillus sp, and Serratia sp. To be concluded, Serratiasp. is a potential medium to be for controling basal stem rot disease on oil palm.ABSTRAKBusuk pangkal batang yang disebabkan oleh cendawan Ganoderma boninense merupakan salah satu penyakit penting pada kelapa sawit. Pemanfaatan bakteri kitinolitik merupakan salah satu bagian pengendalian hayati untuk mengontrol G. boninense. Penelitian ini bertujuan untuk mengisolasi dan mengkarakterisasi bakteri kitinolitik yang berasosiasi dengan akar tanaman kelapa sawit yang berpotensi sebagai agens biokontrol terhadap G. boninense, penyebab penyakit busuk pangkal batang kelapa sawit. Penelitian dilaksanakan di Kabupaten Luwu Utara, Luwu Timur, dan Makassar sejak bulan Januari sampai September 2017. Penelitian ini terdiri atas empat tahap, yaitu isolasi bakteri endofit, uji aktivitas kitinolitik, uji antagonis dan identifikasi secara biokimia. Hasil penelitian diperoleh 14 isolat bakteri dimana dua bakteri diantaranya memiliki aktivitas kitinolitik dengan indeks masing masing 2,35 dan 3,37. Kedua bakteri tersebut dapat menghambat G. boninense pada medium padat masing masing 24,9% dan 69,4% serta pada medium cair masing masing 47,5% dan 68,5% lima hari setelah inokulasi. Berdasarkan karakterisasi secara biokimia, bakteri tersebut memiliki kemiripan dengan Bacillus sp, dan Serratia sp. Hasil penelitian menunjukkan bahwa Serratia sp. berpotensi dalam mengendalikan penyakit busuk pangkal batang pada kelapa sawit.  
Co-Authors . Rahmawati A. Irma Suryani A. Masniawati Abri A, Abri Ade Putri Rezkiani R Ade Rosmana Ade Rosmana Ade Rosmana Afriyanda, Afriyanda Ahyar Ahmad Akib, Muhammad Akhsan AMIN NUR Andayani, Nining Andi Ilham Latunra Andi Nasruddin Andi Nuddin Anshori, Muhammad Fuad Arfa Astuti Arif Ayu Eka, Nur Fadhillah Azurah, Nur Baharuddin Baharuddin Baharuddin Patandjengi Brugman, Eirene Brugman, Irene Burhanuddin Rasyid, Burhanuddin Busthanul, Nurabaya Darmawan, Andi Alfian Dewi, Tirta Kumala Efendy, Roy Eka Wisdawati Enny Lisan Sengin, Enny Entis Sutisna Fadhli, Nur Farid, Muh Fitri Harfiani Gassing, Satriani Gilang Kurrata Hikmahwati Hikmahwati Hishar Mirsam Iradhatullah Rahim Junaid, Muhammad Kahar Mustari Kahar Mustari Kaimuddin Kaimuddin, Kaimuddin Laode Asrul, Laode Mario, M Bayu Melina Melina Melina Mita Yusri Muh. Akhsan Akib, Muh. Akhsan Muhammad Azrai, Muhammad Musrizal Muin Mustika Tuwo Mustika Tuwo, Mustika Novianti, Fira Nur Azizah Salimah Nur Hardina Nur Rosida Nurbaya ., Nurbaya Nurbaya N, Nurbaya Nurhidayaha, Andi Nurmujahidin Nurmujahidin, Nurmujahidin Nurul Fauziah Nurul Mukhlisah, Nurul Priyanto, Slamet Bambang Putri, Nur Annisa Rahma Rahma Rahma, Rahma Ramdani Ramdani Retno Prayudyaningsih Rinaldi Sjahrir, Rinaldi Sahlan, Fadyah Khamila Salengke, Salengke Sarjiya Antonius Soraya Udin Saputri Sri Sukmawati Suriani Suriani Syamsuddin Millang, Syamsuddin Syatrawati Syatrianti A. Syaiful Syatrianty Andi Syaiful THAMRIN, SULAEHA Willy Bayuardi Suwarno YUNUS MUSA Z, Bunyamin Z. Kumalawati