Symptoms of Damage

• Dead heart symptom at seedling stage (upto 30 days).
• Dead heart plant with rotting smell pulled out easily.
• Side tillers production.

Identification and Biology :

• Egg: white, cylindrical, distal end somewhat flattened (Cigar shaped).

  Maggot: Dirty white and apodous, later yellow and 6 mm long.

  Pupa: Brown puparium

  Adult: whitish grey female fly

Economic threshold level:

• ETL: 10% dead hearts or 1 egg / plant 

Integrated Management

• Sow immediately at the onset of monsoon rains.

  Seed treatment : Imidacloprid 70 WS @ 10 g/kg of seeds.

  Set up hanging plastic fishmeal trap @ 12 nos. /ha upto 30 DAS.

                                                  

Dead heart                                                      Egg and Adult                                                       Larva