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Symptoms of blast disease

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1. Typical leaf lesions are spindle shaped, usually with reddish yellow margin; grey in the centre.
2. Leaves of susceptible varieties may be killed. The fungus may also attack the stems at nodes which turn dark brown to blackish in colour and tend to break easily.
3. Lesions may also occur on panicle neck. The infected necks turn blackish and break over. Neck blast results in few or no seeds in the panicle.

File Courtesy: 
Rice Research Station, Kaul (Kaithal), Haryana
Photo Courtesy: 
Rice Research Station, Kaul (Kaithal), Haryana
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