Symptoms of Damage

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

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