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Journal : Current Biochemistry

Characterization of Gibberellin Producing Rhizobacteria Isolated from Soil Forest in Banten Hadi Susilo; Nisa Rachmania Mubarik; Triadiati Triadiati
Current Biochemistry Vol. 2 No. 1 (2015)
Publisher : IPB University

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Abstract

Gibberellin is plant growth regulator that stimulates cell elongation, seed germination, flowering, and fruit ripening. This study was conducted to isolate, identify, and optimize growth media for gibberellins producing- rhizobacteria isolated from rhizosphere soil of “keruing“ (Dipterocarpus sp.) tree in forest research Carita, Pandeglang, Banten. Eight bacterial isolates were obtained and all produced gibberellin. The BC2 isolate produced the highest of gibberellin (0.897 mg mL-1) and then selected for identification based on physiology, molecular character, and effects of growth media with variation of temperature, pH, and light. The result of physiological test indicated that BC2 isolate does not produce indole, positive on urease and oxidative carbohydrate. The phylogenetic analysis showed that BC2 isolate is belonged to Stenotrophomonas maltophilia with 98% similarity level. The optimation of growth media indicated that the growth of BC2 isolate was optimum at 30°C, pH 7, and dark condition.
Co-Authors , Triadiati A Suhaemi AA Sudharmawan, AA Abdilah, Nurullah Asep Abdul Hasyim Sodiq, Abdul Hasyim Agung Sugiarto Agus Setiawan Ai Widiyawati Aji Sukoco Ali Farkhan Tsani Arif, Hamid Arini Khaerunnisa Asahedi Umoro Ayu Mira Yunita Candra Junaedi Cory Novi Dedeh Jubaedah Dhyneu Dwi Jayantie Dian Noverita Widyaningrum Dimas Danang Indriatmoko Dwi Marwati Juli Siswanti Dwi Susilaningsih DWI SUSILANINGSIH Eka Yulli Kartika Eneng Elda Ernawati Faizal Andri Firman Rezaldi Fredrick Onyango Ochieng Gina Siti Nurhayati Hani Susanti Hani Susanti, Hani Herlina Siti Nurantika Hidayat, Deden Hudaya, Dadan Ahmad Hujaji, M. I Nengah Swastika Imat Maftuhah Indriati, Marlinda irdaus, Ahmad F irfan mujahidin Kartina Kartina Kiki Rizki Amelia Kurnia, Nia Marlina Lia Amelia Pertiwi M Nasrun Hakim M. Muslim Maritha, Vevi Marlinda Indriati Merdiana Indah Saputri Mu'jijah Mu'jijah Mu'jijah, Mu'jijah Mu’jijah, Mu’jijah Neli Nailul Wardah NISA RACHMANIA MUBARIK Nurafliyan Susanti, Ervi Nurmayulis Nuryati Nuryati Ochieng, Fredrick Onyango Rahmadanti, Aulia Rahmawati, Dania Ratna Fitry Yenny Renni Dwi Saputri Rezaldi, Firman Riki Rikardo Riki Rikardo Rizky, Robby Roihwan Roihwan Rosmawaty Peranginangin Roudotussaadah Roudotussaadah Rt Inu Rahayu S, Dwi Marwati Juli Sari, Ruly Nadian Sibawi Sibawi, Sibawi Siti Yumsinah Sri Setiyowati sudanto sudanto Suryandani, Hendy Suryanti Suryanti Susilawati, Susilawati Susiyanti, Susiyanti Suyamto Suyamto Suyamto Swastika Oktavia Swastika, I Nengah Syahbana, Mohammad Ana Tarso Rudiana, Tarso Taufich Hilman, Taufich Trisnawati, Desi Tuti Rostianti Maulani Umoro, Asahedi Umurohmi, Ulfah Usman Setiawan UTUT WIDYASTUTI UTUT WIDYASTUTI Wibowo, Andrianto Heri Widyaningrum, Dian Noverita Yelfi Yelfi Yuniarsih, Eko Yuningsih Yuningsih Yusransyah, Yusransyah