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All Journal Journal of Biodiversity and Biotechnology
Sudadi Sudadi
Sebelas Maret University (UNS)
Agriculture, Biological Sciences & Forestry

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Effectiveness of Biofilmed Biofertilizer with Balanced Phosphate Fertilizer Dosage in Suppressing Purple Blotch Disease Intensity and Increasing Garlic Yield on Andisol Soil in Tawangmangu Mohammad Fikri Halim Madjid; Hadiwiyono Hadiwiyono; Sudadi Sudadi; Susilo Hamberg Poromarto
Journal of Biodiversity and Biotechnology Vol 5, No 2 (2025)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v5i2.114347

Abstract

Garlic productivity in Indonesia is often constrained by purple blotch disease (Alternaria porri) . A sustainable control alternative involves utilizing biofilmed biofertilizer (BiO2) combined with phosphate (P) fertilizer . This study aimed to assess the effectiveness of balancing BiO2 and P dosage in suppressing purple blotch disease intensity and increasing garlic yield on Andisol soil in Tawangmangu . The research was conducted from May to September 2024 using a single-factor Completely Randomized Design (CRD) with four treatments: P0 (0% P + 100% NK + BiO2), P1 (50% P + 100% NK + BiO2), P2 (100% P + 100% NK + BiO2), and P3 (100% NPK without BiO2) . Data were analyzed using ANOVA followed by DMRT at a 95% significance level . Results indicated that combining BiO2 with P fertilizer was highly effective; it suppressed leaf spot disease intensity by 49.47% and increased garlic yields by 20.91% compared to the control . This confirms that integrating BiO2 with appropriate P fertilization is a viable strategy for improving garlic productivity in Andisol soil .
Co-Authors Hadiwiyono Hadiwiyono Mohammad Fikri Halim Madjid Susilo Hamberg Poromarto