Efektivitas Formula Bacillus subtilis TM4 untuk Pengendalian Penyakit pada Tanaman Jagung

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Abstract

ABSTRAK Rhizoctonia solani penyebab penyakit hawar pelepah dan upih daun serta Bipolaris maydis penyebab penyakit hawar daun merupakan patogen penting pada tanaman jagung. Penggunaan biopestisida merupakan salah satu alternatif untuk mengendalikan penyakit ini. Penelitian dilakukan untuk menentukan efektivitas formula bakteri Bacillus subtilis dalam menghambat perkembangan penyakit hawar pelepah dan upih daun R. solani dan hawar daun B. maydis di lapangan. Pengujian formula biopestisida dilakukan dengan dua cara aplikasi, yaitu perendaman benih jagung untuk pengendalian R. solani dan penyemprotan untuk pengendalian B. maydis di lapangan. Formula bakteri antagonis B. subtilis TM4 efektif menekan perkembangan penyakit penyakit hawar pelepah dan upih daun melalui perlakuan benih tetapi tidak efektif untuk menekan perkembangan penyakit hawar daun melalui penyemprotan formula. Kata kunci: Bacillus subtilis, biopestisida, Bipolaris maydis, penyakit hawar daun, Rhizoctonia solani ABSTRACT Banded leaf and sheath blight (BLSB) and maydis leaf blight (MLB) caused by Rhizoctonia solani and Bipolaris maydis, respectively are considered as important diseases in maize. The use of biopesticides is an alternative method to control the diseases. This study was conducted to determine the effectiveness of bacterial formula Bacillus subtilis to inhibit the development of BLSB and MLB on the plant. Testing of biopesticide formula was done in two different applications, i.e. seed treatment for BLSB control and leaf spraying in the field for MLB. The results showed that the B.subtilis formula effectively suppressed the development of BLSB but it was not effectively suppressed the development of MLB .

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APA

Djaenuddin, N., Nonci, N., & Muis, A. (2017). Efektivitas Formula Bacillus subtilis TM4 untuk Pengendalian Penyakit pada Tanaman Jagung. Jurnal Fitopatologi Indonesia, 13(4), 113–118. https://doi.org/10.14692/jfi.13.4.113

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