Sinaga, Andre Hidayat (2025) PENGARUH PEMBERIAN PLANT GROWTH PROMOTING RHIZOBACTERIA (PGPR) DAN PUPUK NPK TERHADAP PERTUMBUHAN BIBIT PISANG BARANGAN (Musa acuminata L.) PADA TAHAP AKLIMATISASI. S1 thesis, Universitas Jambi.
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Abstract
ABSTRACT Barangan banana is a tropical fruit with high export potential, yet the seedling acclimatization stage often faces challenges due to sub-optimal growing media. This study aimed to determine the interaction and the optimal concentration of Plant Growth Promoting Rhizobacteria (PGPR) and NPK (16:16:16) fertilizer dose for the growth of Barangan banana seedlings during the acclimatization stage. The research was conducted at the Laboratory of the Faculty of Agriculture, Jambi University, from November 2023 to January 2024, using a factorial Randomized Block Design (RBD). The two factors tested were PGPR concentration (0, 2, 4, and 6 gL⁻¹) and NPK fertilizer dose (0, 1, 2, and 3 g/polybag), with observations on plant height, number of leaves, leaf length, leaf width, and stem diameter. The results showed no significant interaction between the application of PGPR and NPK fertilizer on seedling growth. However, the application of PGPR alone had a significant effect, with the 2 gL⁻¹ concentration providing the best growth for plant height, number of leaves, leaf length, and leaf width. Conversely, the single application of NPK fertilizer did not have a significant effect on any of the observed growth variables. Therefore, using PGPR at a concentration of 2 gL⁻¹ is recommended to optimize the growth of Barangan banana seedlings during the acclimatization stage. ABSTRAK Pisang Barangan merupakan komoditas buah tropis dengan potensi ekspor tinggi, namun tahap aklimatisasi bibit sering menghadapi tantangan akibat media tanam yang kurang optimal. Penelitian ini bertujuan untuk mengetahui interaksi serta konsentrasi terbaik Plant Growth Promoting Rhizobacteria (PGPR) dan dosis pupuk NPK (16:16:16) untuk pertumbuhan bibit pisang barangan pada tahap aklimatisasi. Penelitian dilaksanakan di Laboratorium Fakultas Pertanian Universitas Jambi dari November 2023 hingga Januari 2024 menggunakan Rancangan Acak Kelompok (RAK) faktorial. Dua faktor yang diuji adalah konsentrasi PGPR (0, 2, 4, dan 6 gL⁻¹) dan dosis pupuk NPK (0, 1, 2, dan 3 g/polibag), dengan pengamatan pada tinggi tanaman, jumlah daun, panjang daun, lebar daun, dan diameter batang. Hasil penelitian menunjukkan tidak ada interaksi yang signifikan antara pemberian PGPR dan pupuk NPK terhadap pertumbuhan bibit. Namun, pemberian PGPR secara tunggal memberikan pengaruh nyata, di mana konsentrasi 2 gL⁻¹ mampu meningkatkan pertumbuhan terbaik pada tinggi, jumlah, panjang, dan lebar daun. Sebaliknya, pemberian pupuk NPK secara tunggal tidak memberikan pengaruh yang signifikan terhadap seluruh variabel pertumbuhan yang diamati. Oleh karena itu, penggunaan PGPR dengan konsentrasi 2 gL⁻¹ direkomendasikan untuk mengoptimalkan pertumbuhan bibit pisang barangan selama tahap aklimatisasi.
| Type: | Thesis (S1) |
|---|---|
| Uncontrolled Keywords: | PGPR, NPK, Pertumbuhan, Pisang, Aklimatisasi |
| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Fakultas Pertanian > Agroekoteknologi |
| Depositing User: | Sinaga |
| Date Deposited: | 16 Jul 2025 02:45 |
| Last Modified: | 16 Jul 2025 02:45 |
| URI: | https://repository.unja.ac.id/id/eprint/84446 |
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