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Pest Management: Symptoms

Sunflower  -  Leaf hopper (jassids): Amrasca biguttula

Symptoms of Damage: 
 The adult and nymphs suck the plant sap
 The infected leaves show pale yellow colouration
 In case of heavy infestation the leaves turn inwards
 The leaf edges may turn light pinkish brown
Identification of Pest: 
 Nymphs: Pale greenish almost translucent and walk diagonally
 Adults: Greenish yellow, wedge shaped with a pair of black spots on vertex and a black spot on each of the forewings
Management: 
 Treat seed with imidacloprid 70 WS at 7 g/kg protected the sunflower plants from leaf hopper up to 7 weeks
 pray Imidacloprid 70% WS 490 ml/ha or Imidacloprid 17.8% SL 100 ml/ha
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