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Agritech Archive

Production · Protection · Nutrients · Water
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1,513 crop protection pages, pest and disease by crop•98 crops tagged — rice, cotton, sugarcane, mango and more•261 nutrient management pages, deficiency symptoms and correction measures•3,462 data tables preserved from the source pages

Symptoms of damage:

Sunflower
Leaf hopper (jassids): Amrasca biguttula 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 I dentification of the 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 Spray Imidacloprid 70% WS 490 ml/ha or Imidacloprid 17.8% SL 100 ml/ha
  • 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

I dentification of the 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
  • Spray Imidacloprid 70% WS 490 ml/ha or Imidacloprid 17.8% SL 100 ml/ha