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Stem borer is a major pest in paddy cultivation. The larvae bore into the stem and cause "dead heart" in the vegetative stage and "white ear head" in the reproductive stage.
Management:
- Deep ploughing in summer to kill pupae.
- Clip the tips of seedlings before transplanting.
- Use pheromone traps (5/acre).
- Apply Cartap Hydrochloride 4G @ 8kg/acre.