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Pest Management: Symptoms

Sunflower  -  Bihar hairy caterpillar: Spilosoma obliqua

Pest management
Symptoms of Damage: 
 Young larvae feed gregariously mostly on the under surface of the leaves
 Caterpillars feed on leaves and in severe infestation the whole crop is defoliated
 Drying up of infected leaves is the main symptom
Identification of Pest: 
 Egg: Laid in cluster on the underside of leaves
 Larva: Covered with long yellowish to black hairs
 Adult: Medium sized brown moth with a red abdomen. Wings pinkish with numerous black spots
Management: 
 Deep summer ploughing
 Use of well rotten manures
 Intercropping with pigeon pea at a row ratio of 2:1 is effective in reducing the insect attack
 Collection and destruction of larvae
 Spray phosalone 35 EC at 1000ml/ha
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