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Paper Details

Eco-friendly management of rice sheath rot disease by phylloplane microflora

I. YESU RAJA* AND P. MAHALAKSHMI

Journal Title:International Journal of Agricultural Sciences
Abstract


The micro-organisms isolated from the phylloplane of rice wereAspergillus flavus, Aspergillus niger, Aspergillus glaucus, Penicillium sp., Curvularia sp., Cladosporium sp., Pseudomonas fluorescens and Bacillus subtilis. Among these, P. fluorescens exhibited the maximum inhibition on the mycelial growth and sporulation of S. oryzae followed by B. subtilis, A. flavus, A. niger and Cladosporium sp. In pot culture, spraying of P. fluorescens (109cfu/ml) was the most effective in reducing the disease intensity by 68.56 per cent followed by B. subtilis (109 cfu/ ml), A. flavus (2x104 spores/ml), A. niger (2104 spores/ml) and Cladosporium sp. (2x104 spores/ml) which recorded 63.07, 44.42, 42.23 and 40.40 per cent disease reduction, respectively

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