Respon Pertumbuhan Bawang Merah Terhadap Perbedaan Media Tanam dan Pemberian PGPR (Plant Growth Promoting Rhizobacteria)
Growth Response of Shallots on Different Planting Media and Application PGPR (Plant Growth Promoting Rhizobacteria)
DOI:
https://doi.org/10.30605/hc4v8x15Keywords:
Bawang merah, PGPR, tanah rotasi, tanah intensifAbstract
Upaya peningkatan produksi untuk usahatani bawang merah terus dilakukan secara intensif yang menyebabkan tanah lelah, salah satu langkah yang dapat diterapkan adalah penggunaan PGPR. Penelitian ini bertujuan untuk menganalisis respon pertumbuhan dan hasil bawnag merah terhadap aplikasi berbagai konsentrasi PGPR pada asal media taman yang berbeda. Penelitian ini dilaksanakan pada bulan Oktober sampai Desember 2025 dengan menggunakan Rancangan Acak Lengkap 2 faktor. Faktor pertama media tanam yang berbeda T1 : Tanah dari lahan Rotasi dan T2 : Tanah dari lahan Intensif dan faktor kedua adalah dosis pemberian PGPR yang terdiri dari P0 : Kontrol tanpa Pupuk; P1 : Pupuk Anorganik (dosis sesuai rekomendasi); P2 : PGPR 5 ml/L; P3 : PGPR 10 ml/L dan P4 : PGPR 15 ml/L diulang sebanyak 3 kali. Parameter yang diamati adalah tinggi tanaman 3,4 dan 5 MST, Jumlah daun 3,4 dan 5 MST, Jumlah anakan 3,4 dan 5 MST jumlah umbi dan juga berat umbi pertanaman. Hasil penelitian menunjukkan bahwa tanah dari lahan rotasi memberikan hasil terbaik pada tinggi tanaman, jumlah anakan dan jumlah daun dan aplikasi PGPR pada dosis 5 ml/L dan 10 ml/L, memberikan hasil tinggi tanaman, jumlah daun, jumlah anakan yang lebih baik dibandingkan dengan kontrol maupun pupuk anorganik dan kombinasi Tanah intensif dengan PGPR 5 ml/L memberikan hasil terbaik pada jumlah anakan.
Efforts to increase production for shallot farming continue to be carried out intensively which causes soil fatigue, One measure that can be implemented is the use of PGPR. This study aims to analyze the growth and yield responses of shallots to the application of various PGPR concentrations using different planting media. This study was conducted from October to December 2025 using 2-factor Completely Randomized Design. The first factor of different planting media T1: Soil from Rotation land and T2: Soil from Intensive land and the second factor is the dose of PGPR administration consisting of P0: Control without Fertilizer; P1: Inorganic Fertilizer (dose according to recommendations); P2: PGPR 5 ml / L; P3: PGPR 10 ml / L and P4: PGPR 15 ml / L repeated 3 times. The parameters observed were plant height 3, 4 and 5 WAP, Number of leaves 3, 4 and 5 WAP, Number of tillers 3, 4 and 5 WAP number of bulbs and also the weight of bulbs per plant. The results of the study showed that the soil from the rotation land gave the best results in plant height, number of tillers and number of leaves and the application of PGPR at doses of 5 ml/L and 10 ml/L, gave better results in plant height, number of leaves, number of tillers compared to the control or inorganic fertilizer and the combination of intensive soil and PGPR 5 ml/L gave the best results in the number of tillers.
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