Madras Agricultural Journal
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Research Article | Open Access | Peer Review

Efficacy of various antagonistic microflora against chilli powdery mildew caused by Leveillula taurica (Lev.) Arn.

Volume : 94
Issue: Jan-jun
Pages: 51 - 54
Published: May 05, 2023
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Abstract


Chilli powdery mildew incited by Leveillula taurica is one of the most serious diseases in Tamil Nadu. Among the antagonistic microflora, maximum reduction in conidial germination was recorded by the culture filtrates of Trichoderma viride, T.harzianum and Pseudomonas fluorescens under in vitro condition. These antagonistic microflora were highly effective in reducing disease severity in the greenhouse and field. In greenhouse, T.harzianum recorded maximum disease reduction of 66.0 per cent, followed by T.viride (48.9 per cent) and P.fluorescens (39.9 per cent). Same trend was observed in field also, where 54.9, 47.8 and 36.1 per cent disease reduction were recorded respectively

DOI
Pages
51 - 54
Creative Commons
Copyright
© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

Keywords


Chilli powdery mildew Leveillula taurica antagonistic microflora biocontrol management
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