Effective Strategies for Managing Fungal Diseases in Temperate Rice Cultivation

Introduction: Rice (Oryza sativa L.) is a staple crop crucial for food security in the Kashmir Valley, India. However, fungal diseases such as blast disease, sheath blight, and brown spot significantly threaten rice yield and quality. Integrated Disease Management (IDM) strategies, combining resistant varieties, cultural practices, and judicious fungicide use, are key to mitigating these risks.

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Key Fungal Diseases and Management Strategies:

1. Blast Disease (Magnaporthe oryzae)

• Plant resistant rice varieties like SR4 and K-39.
• Use cultural practices such as crop rotation and field sanitation.
• Treat seeds with fungicides (e.g., carbendazim, tricyclazole) before sowing.
• Apply timely foliar sprays to prevent fungal spread.

2. Sheath Blight (Rhizoctonia solani)

• Maintain proper plant spacing to reduce humidity and fungal proliferation.
• Avoid excessive nitrogen fertilization, which promotes disease development.
• Use biological control agents as eco-friendly alternatives.
• Apply chemical fungicides (e.g., carbendazim, propiconazole) when necessary.

3. Brown Spot (Bipolaris oryzae)

• Practice proper field sanitation and avoid dense planting.
• Ensure timely irrigation to minimize water stress.
• Apply fungicides such as azoxystrobin and tricyclazole during early disease stages.

External Medical Reference: The International Rice Research Institute (IRRI) underscores the importance of Integrated Disease Management to sustainably control rice fungal diseases while maintaining productivity.

Further Reading and Resources:

• Read the full study at https://doi.org/10.29328/journal.jpsp.1001105.
• A detailed analysis can be found in our main journal article.
• Explore related research articles on disease management in rice.

Call-to-Action: Explore more studies at https://www.plantsciencejournal.org/jpsp and share your insights in the comments below!

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