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All Journal Jurnal Hortikultura Indonesia (JHI) Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences
Sa’diyyah, Iqomatus
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Environmental Science

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Pengaruh Aplikasi Bacillus sp. dan Azotobacter sp. sebagai Rizobakteri Pemicu Pertumbuhan Tanaman terhadap Produktivitas dan Kualitas Hasil Jagung Manis (Zea mays sacharata L.) Purwanti, Eny Wahyuning; Waskito, Heru; Darmanto, Didik; Sa’diyyah, Iqomatus; Budianto
Jurnal Hortikultura Indonesia (JHI) Vol. 13 No. 1 (2022): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jhi.13.1.43-48

Abstract

Penelitian ini bertujuan untuk menguji pengaruh aplikasi bakteri Bacillus sp. dan Azotobacter sp. sebagai rizobakteri pemicu pertumbuhan tanaman (RPPT) terhadap pertumbuhan, produktivitas dan kualitas hasil jagung manis. Penelitian menggunakan rancangan acak lengkap satu faktor yang diulang 5 kali. Perlakuan yang diujikan yaitu aplikasi RPPT yang terdiri dari 3 taraf, antara lain tanpa RPPT (P0), aplikasi RPPT untuk perlakuan benih (P1) dan perlakuan RPPT 100 ml yang disiramkan ke perakaran setiap minggu sampai dengan minggu ke 8 (P2). Hasil penelitian menunjukkan bahwa perlakuan RPPT baik dengan perlakuanbenih maupun dikocor, berpengaruh nyata meningkatkan bobot tongkol tanpa klobot antara 42.2 hingga 54.8% dan bobot brangkasan antara 24.2 hingga 30.2%. Aplikasi RPPT juga meningkatkan mutu brangkasan jika dimanfaatkan sebagai pakan. Peningkatan terjadi pada kadar lemak, kadar abu dan tingkat kecernaan. RPPT juga berpengaruh pada peningkatan populasi arthropoda pengurai yakni Collembola sp. Kata kunci: pertumbuhan, detrivora, jagung manis, produktivitas, rizobakteri
Bacterial Consortium Improves Sweet Corn Yield, Stover and Soil: Bacterial Consortium Improves Sweet Corn Yield, Stover and Soil Purwanti, Eny Wahyuning; Sa’diyyah, Iqomatus; Navitasari, Lisa; Waskito, Heru
Journal of Tropical Life Science Vol. 16 No. 01 (2026)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.16.01.04

Abstract

Plant growth–promoting rhizobacteria (PGPR) are promising bio-stimulants for sustainable agriculture, enhancing crop growth, nutrient use efficiency, and soil fertility while reducing dependence on chemical fertilizers.  This study evaluated an indigenous consortium of Azotobacter vinelandii and Bacillus cereus on sweet corn (Zea mays L. var. saccharata). The study utilized a completely randomized design with three treatments: control (no PGPR), seed soaking and root drenching, each replicated five times. Growth parameters, yield, kernel quality, stover nutritive value, and soil fertility indicators were measured.  Both PGPR application methods significantly improved plant growth and yield.  Specifically, there was a marked increase in plant height, stem diameter, cob weight, and kernel sweetness (measured in °Brix). Furthermore, the quality of the stover used as animal feed substantially increased, characterized by higher crude protein, dry matter, and total digestible nutrients (TDN), while crude fiber, fat, and ash remained stable. The bacterial consortium successfully enhanced soil health and fertility indicators, including microbial populations, organic carbon content, and available phosphorus. Seed soaking consistently produced superior results compared to root drenching.  The indigenous PGPR consortium proved highly effective as a sustainable bio-stimulant, capable of boosting sweet corn productivity, improving stover feed value, and promoting soil health.  Farmers are advised to apply the consortium via seed soaking to maximize yield and quality while reducing fertilizer dependency, supporting sustainable crop–livestock’s integration.
Co-Authors Budianto Didik Darmanto Heru Waskito Lisa Navitasari Purwanti, Eny Wahyuning