Integration of Organic Amendments and Antagonists for the Management of Sheath Blight in Aromatic Rice

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Authors

  • Prashant Mishra
     Department of Plant Pathology, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut 250110, Uttar Pradesh ,IN
  • Ravinder Kumar
     Department of Plant Pathology, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut 250110, Uttar Pradesh ,IN
  • Vivek Singh
     Department of Plant Pathology, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut 250110, Uttar Pradesh ,IN
  • Gopal Singh
     Department of Plant Pathology, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut 250110, Uttar Pradesh ,IN

DOI:

https://doi.org/10.18311/jbc/2009/3679

Keywords:

Antagonist, Organic Amendment, Pseudomonas fluorescens, Rice, Sheath Blight, Trichoderma harzianum.

Abstract

The effect of integration of organic amendments with fungal or bacterial antagonists (Trichoderma harzianum and Pseudomonas fluorescens) applied as soil treatment was evaluated against sheath blight disease in Basmati rice caused by Rhizoctonia solani under field conditions. Neem cake + T. harzianum was found to be the most effective treatment in reducing the disease incidence by up to 57.27% and disease severity by 54.77% followed by farm yard manure (FYM) + T. harzianum, which resulted in the reduction of disease incidence to 53.77% and disease severity to 52.29%, respectively. Among all the organic amendments, reduction of sheath blight was lowest with sawdust + P. fluorescens with disease incidence of 40.94% and disease severity of 35.29%. Maximum increase in grain yield (39.44%) and 1000-grain weight of rice (29.19g) were recorded with neem cake + T. harzianum treatment followed by treatments FYM + T. harzianum and pressmud + T. harzianum. Minimum increase in grain yield (9.76%) and 1000-grain weight (11.53%) were recorded with the treatment Sawdust + P. fluorescens.

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Published

2009-10-17

How to Cite

Mishra, P., Kumar, R., Singh, V., & Singh, G. (2009). Integration of Organic Amendments and Antagonists for the Management of Sheath Blight in Aromatic Rice. Journal of Biological Control, 23(3), 305–309. https://doi.org/10.18311/jbc/2009/3679

Issue

Volume 23, Issue 3, September 2009

Section

Articles
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