Pod borer: Helicoverpa armigera Hubner (Noctuidae:Lepidoptera)

Local name: Kaayi korak, kadale hulu

Damaging systems:

• At initial stage larva feeds on green leaves and later it feeds on flower bud and pods.
• The matured larvae half body inside the fruit half out side this peculiar characteristics.
• Due to feeding on flower buds and flower lead to reduces in fruit setting.
• About 40 to 50% yield loss

                               

                                               Damage symptoms

Management:

Cultural practice:

• Installation bird perches.

                                              

Chemical control:

• Spray carbryl 50WP @ 4g/l of water (1kg/acre) or 1 ml methyl parathion 50EC ( 250ml/acre) or 2.5ml chloropyriphos 20EC  or 2ml endosulfan 35EC (500ml/acre) or 2 ml methomyl or 3ml profenophos 50EC or 1 gram acephate 75 SP or per liter water.
• Spray NPV @ 250LE/acre, at the time spraying mix 0.1 % teepol and 0.5% jaggary.
• Spraying of Spinosad 45SC @ 0.1ml/lit or Indoxacarb 14.5SC @ 0.3ml/lit or Flubendiamide 48SC 0.1ml/lit or Novacuron 10EC 1ml/lit of water.