- This is a minor disease of rice seen only in certain tracts,especially in higher elevations.
- The growth and general appearance of the infected plants is not affected in any way by the disease.
- Infected plants can not be recognized until panicle emergence.
- Heading in the diseased plants is reached at almost the same time or slightly earlier than the normal plants.
- In the infected plants an erect,cylindrical rod shaped structure like "agarbathi" emerge out from the boot leaf instead of the normal ear head.
- In the infected panicle,the florets get glued together to the main rachis by the mycelium and spore mass of the fungus which hardens into a crust.
- Usually all the tillers in a plant are infected,indicating a systematic infection.
Mark 4 one square meter plots in the field at random.Observe for the presence of infected tillers.