Crop Protection :: Oil Seeds :: Pest of Safflower
| Safflower aphid: Uroleucon carthami |
Symptoms of damage:
- Curling and yellowing of tender leaves
- Secrete honey dew like secretion on upper surface of the leaves and plant parts forming a black sooty mold which hinders photosynthetic activity resulting in stunted growth
- Finally the plants dry up
Identification of the pest:
- Nymphs: Reddish brown
- Adults: Large sized, black with pear-shaped body and conspicuous cornicle
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Management:
- Avoid late sowing
- If the attack is observed in the border rows take control measures
- Avoid excess use of nitrogen
- Maintain 2 or 3 rows of Maize and Sorghum around the fields
- Release of Chrysoperla eggs/grubs @ 1-2/plant
- Conserve Aphidencyrtus aphidivorus, Micromus cinearis, Ischiodon scutellaris, Harmonia octomaculat and Aphelinus sp
- Spray dimethoate 30 EC @ 750 ml/ha,40 and 60 days after sowing. Use 500 litres of spray mixture and 20 kg dust formulation/ ha
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