EKSPLORASI BAKTERI RHIZOSFER DARI TANAMAN KARET (Hevea brasiliensis L.) YANG BERPOTENSI SEBAGAI PENGHASIL HORMON IAA (Indole Acetic Acid)

HANDAYANI, FITRI and Nurnawati, Elisa (2025) EKSPLORASI BAKTERI RHIZOSFER DARI TANAMAN KARET (Hevea brasiliensis L.) YANG BERPOTENSI SEBAGAI PENGHASIL HORMON IAA (Indole Acetic Acid). Undergraduate thesis, Sriwijaya University.

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Abstract

Penggunaan pupuk kimia jangka panjang dapat merusak struktur tanah, mencemari lingkungan, dan mengurangi keanekaragaman biota tanah. Sebagai alternatif yang ramah lingkungan, biofertilizer merupakan solusi untuk mendukung pertanian berkelanjutan. Penelitian ini bertujuan untuk mengeksplorasi dan mengidentifikasi bakteri rizosfer dari tanaman karet (Hevea brasiliensis L.) yang berpotensi menghasilkan hormon IAA (Indole Acetic Acid). Sebanyak 15 isolat diperoleh dari 5 titik sampel di Desa Payakabung, Kabupaten Ogan Ilir. Hasil penelitian menunjukkan terdapat 3 isolat yang menghasilkan hormon IAA, yaitu isolat K2 (17,20 ppm), K12 (17,03 ppm), dan K13 (16,32 ppm). Identifikasi menunjukkan bahwa isolat K2 berasal dari genus Neisseria, K12 dari genus Pseudomonas dan K13 dari genus Bacillus.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Karet (Hevea brasiliensis L.), Rhizosfer, Bakteri, Hormon IAA, Pupuk Hayati.
Subjects:	Q Science > QR Microbiology
Divisions:	08-Faculty of Mathematics and Natural Science > 46201-Biology (S1)
Depositing User:	Fitri Handayani
Date Deposited:	28 Jul 2025 08:48
Last Modified:	28 Jul 2025 08:48
URI:	http://repository.unsri.ac.id/id/eprint/181259

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