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Journal : Microbiology Indonesia

Isolation of root endophytic bacteria from tomato and its biocontrol activity againts fungal diseases ABDUL MUNIF; JOHANNES HALLMANN; RICHARD A SIKORA
Microbiology Indonesia Vol. 6 No. 4 (2012): December 2012
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1035.686 KB) | DOI: 10.5454/mi.6.4.2

Abstract

Endophytic bacteria have gained attention due to their interesting features related to plant growth and health stimulation. The objective of this research was to determine the populations and spectrum of indigenous root endophytic bacteria from tomato (Lycopersicon esculentum) and the biocontrol activity of the bacteria for plant protection. The isolation procedure of these endophytic bacteria was done using surface-sterilization method using alcohol and sodium hypochlorite (NaOCl). General medium trypsic soy agar (TSA) was used as the growth medium for isolation. The total population density of endophytic bacteria recovered from tomato roots ranged from 1.0 to 4.4 (in log10  scale) CFU g-1 fresh root weight. A total of 564 strains of endophytic bacteria were isolated from tomato plants grown in West Java, Indonesia. Endophytic bacterial strains were identified based on their fatty acid profile using FAME-GC-MIDI system. Fifty species and 32 genera of endophytic bacteria were found in association with tomato root. The most abundant endophytic bacterial genera were Bacillus spp. and Pseudomonas spp. One hundred and eighty one  bacterial strains were tested for their in vitro antagonism towards Rhizoctonia solani, Fusarium oxysporum f.sp. radicis-lycopersici, and F. oxysporum f.sp. lycopersici. Fourteen strains showed antagonism against R. solani, nine strains against F. oxysporum f.sp. radicis-lycopersici and seven strains against F. oxysporum f. sp. lycopersici. The close relationship between endophytic bacteria and their hosts make them ideal candidates for biological control and plant growth promotion.
Co-Authors Abdjad Asih Nawangsih Ade Maulana Agus PURWANTARA Akhmad Rizali ALI NURMANSYAH Alina Akhdiya Amanda, Dila Andika Akbarul Iman Andini Hanif Ankardiansyah Pandu Pradana Ankardiansyah Pandu Pradana Arif Ravi Wibowo Arifda Ayu Swastini Waruwu Asima Manurung Ayu Dhisa Faradiba Siregar Bonny Poernomo Wahyu Soekarno Bonny PW Soekarno Chandra, Wenripin Charles Simamora Cici Indriani Dalimunthe Dede Setiadi Deden Dewantara ERIS Desmon Gunadi Siagian Diana Putri Didy Sopandie DWI ANDREAS SANTOSA dwi halimah Dwi Halimah Efi Toding Tondok Elis Nina Herliyana Elly Rosmaini Ely Lailatul Maghfiroh Ely Lailatul Maghfiroh Endah Retno Palupi Erwin Eryna Elfasari Rangkuti Fitrianingrum Kurniawati, Fitrianingrum Gede Suastika Giyanto Giyanto Giyanto Giyanto Gusmaini Gusmaini GUSMAINI GUSMAINI Hanifah Nuryani Lioe HARNI, RITA Hasudungan, Raju I Wayan Winasa IBNUL QAYIM IKA MUSTIKA Irwanto Sucipto ISKANDAR ZULKARNAEN SIREGAR isnainy dinul Mursyalatiyus Iswandi Anas Chaniago Ita Sulistiawati JOHANNES HALLMANN John Putra S Tampubolon Jonathan Liviera Marpaung Joni Kartika Kartika Katrin Jenny Sirait Katrin Jenny Sirait Kholil Ma’ruf Kikin H Mutaqin Kristiana kristiana Kurniawan Effendi Kurniawan Effendi Kusumah, Yayi Munara Liza Sakbani Marbun, James Piter Marihat Situmorang Marpaung, J.L. Marpaung, TJ Mira Febrianti Mochamad Yadi Nurjayadi Mochamad Yadi Nurjayadi Mohamad Rahmad Suhartanto Mohammad Yadi Nurjayadi Muhammad Firdaus Oktafiyanto MUSTIKA, IKA Nababan, Esther Sorta Mauli Nela Zahara Nela Zahara Neng Tipa Nursipa Niken Nur Kasim Nurliani Bermawie NURLIANI BERMAWIE Parapat Gultom Pradana Pandu Ankardiansyah Prayogo Probo Asmoro Rachmad Sitepu Ramdan, Evan Purnama Reni Rinika resky wulandari r jahuddin RICHARD A SIKORA Rita Harni Rita Harni RITA HARNI Rizky Mailani Rahman Robin Roedhy Poerwanto Sandra Arifin Aziz Satriyas Ilyas Siagian, Desmon Siagian, Riris Regita Cahyani Simbolon, Lolyta Damora Sirimavo, Yana Siringoringo, Yan Batara Putra Siswanto siswanto Sitanggang, Fetrisia Ayu Ashari Supramana Surono Surono Suryo Wiyono Suwarno . Syahputra, Muhammad Romi Syahputra, Razak Kurnia Syaiful Anwar Sylvia, Bebby Tatit Sastrini Togu P Marpaung Umi Hidayati Widi Amaria Widya Sari Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yadi Suryadi Yudhistira Adhitya Pratama Yudiyanto Yudiyanto Zahedi