Baihaqi, Achmad Fachrurijal (2026) RESPON BEBERAPA JENIS DAN FREKUENSI PEMBERIAN Plant Growth Promoting Rhizobacteria (PGPR) TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN KEDELAI (Glycine max Merill.). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
Achmad Fachrurijal Baihaqi. 2025. Response of Several Types and Frequencies of Application of Plant Growth Promoting Rhizobacteria (PGPR) on the Growth and Yield of Soybean (Glycine max Merril.). Supervised by Andree Saylendra and Sri Ritawati. The research aimed to determine the effect of several types and application frequencies of Plant Growth Promoting Rhizobacteria (PGPR) on the growth and yield of soybean plants. This research was conducted in Kadupinang Village, Mandalasari Subdistrict, Kaduhejo District, Pandeglang Regency, Banten Province, from June to September 2025. The research used a factorial Randomized Block Design consisting of two factors. The first factor was PGPR type (P) consisting of five levels: without PGPR (control), PGPR from bamboo roots, putri malu roots, alang-alang roots, and elephant grass roots, all applied at a dose of 20 ml/L. The second factor was the frequency of PGPR application (F) consisting of three levels: one application, two applications, and three applications. The observed parameters included plant height, number of leaves, root length, pod weight, number of pods, and 100-seed weight of soybean. The results showed that PGPR type significantly to highly significantly affected plant height, number of leaves, root length, pod weight, number of pods, and 100-seed weight. PGPR derived from bamboo roots produced the best results, with the highest plant height at 10 weeks after planting (78.84 cm), the highest number of leaves, and the longest root length. The frequency of PGPR application had a highly significant effect on pod weight and number of pods, and the interaction between PGPR type and application frequency showed a highly significant effect on pod weight and number of pods. Based on the results, the application of bamboo root PGPR at a dose of 20 ml/L with three application frequencies produced the best growth and yield of soybean plants. Keywords: application requency, growth, PGPR, soybean, yield.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Achmad Fachrurijal Baihaqi. 2025. Respon Beberapa Jenis dan Frekuensi Pemberian Plant Growth Promoting Rhizobacteria (PGPR) terhadap Pertumbuhan dan Produksi Tanaman Kedelai (Glycine max Merril.). Dibimbing oleh Andree Saylendra dan Sri Ritawati. Tanaman kedelai (Glycine max Merril.) merupakan komoditas pangan penting sebagai sumber protein nabati, namun produktivitasnya masih relatif rendah sehingga diperlukan upaya peningkatan yang berkelanjutan, salah satunya melalui pemanfaatan pupuk hayati berupa Plant Growth Promoting Rhizobacteria (PGPR). Penelitian ini bertujuan untuk mengetahui respon beberapa jenis PGPR dan frekuensi pemberiannya terhadap pertumbuhan dan produksi tanaman kedelai serta menentukan kombinasi perlakuan terbaik. Penelitian dilaksanakan pada bulan Juni hingga September 2025 di Kampung Kadupinang, Kelurahan Mandalasari, Kecamatan Kaduhejo, Kabupaten Pandeglang, Provinsi Banten, menggunakan Rancangan Acak Kelompok (RAK) faktorial dengan dua faktor dan tiga ulangan, yaitu jenis PGPR (kontrol, PGPR akar bambu, putri malu, alang-alang, dan rumput gajah) serta frekuensi pemberian PGPR 1, 2, dan 3 kali aplikasi dengan dosis 20 ml/L air. Hasil penelitian menunjukkan bahwa jenis PGPR memberikan pengaruh nyata hingga sangat nyata terhadap seluruh parameter pertumbuhan dan produksi tanaman kedelai. PGPR akar bambu memberikan hasil terbaik dengan tinggi tanaman tertinggi pada umur 10 MST sebesar 78,84 cm, jumlah daun terbanyak sebesar 43,0 helai, serta panjang akar terpanjang sebesar 40,58 cm. Pada fase generatif, kombinasi PGPR akar bambu dengan frekuensi tiga kali aplikasi menghasilkan berat polong tertinggi sebesar 84,53 g dan jumlah polong tertinggi sebesar 110,00 polong per tanaman, sedangkan berat 100 biji mencapai 17,97 g. Secara keseluruhan, aplikasi PGPR akar bambu dosis 20 ml/L dengan frekuensi tiga kali merupakan perlakuan paling efektif dalam meningkatkan pertumbuhan dan hasil tanaman kedelai. | |||||||||
| Subjects: | S Agriculture > SB Plant culture | |||||||||
| Divisions: | 04-Fakultas Pertanian 04-Fakultas Pertanian > 54211-Program Studi Agroekoteknologi |
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| Depositing User: | Mr Achmad Fachrurijal Baihaqi | |||||||||
| Date Deposited: | 19 Jan 2026 02:52 | |||||||||
| Last Modified: | 19 Jan 2026 02:52 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/57251 |
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