codling moth pest in apple crop

Measures to control codling moth pest in apple crop

The codling moth is a small moth that is a major pest of apples, pears, and walnuts. Codling moths overwinter as full-grown larvae in silken cocoons under loose bark or in the soil. In the spring, the adults emerge and mate. The females lay their eggs on the leaves and fruits of apple, pear, and walnut trees. The eggs hatch into caterpillars, which burrow into the fruits and feed on the seeds and flesh. The feeding damage can cause the fruits to rot, and fall from the tree prematurely.

codling moth pest

  • Scientific name: Cydia pomonella
  • Type: Pest
  • Target: Fruit
  • Damage: Boring Tunnels inside the fruit

    •  

    Identification:

    • Adult moths have a wingspan of about 0.5 to 0.75 inches.
    • Their forewings are brown or gray with a coppery-bronze band near the tip.
    • Hindwings are lighter in color and have long fringes.

    Environmental favorable factors for pests/Diseases:

  • Temperature:  Codling moths are most active and have the fastest development rates at warm temperatures, between 18°C and 27°C.
  • Humidity: Moderate humidity levels (around 70-80%) are favorable for codling moth development and egg survival.

    • Symptoms of Pest/Disease:

  • Holes in the fruit: One or more holes on the surface of the apple.
  • Frass: Look for small, grainy, brown droppings, called frass, around the entry hole or near the stem or calyx end of the fruit. This is the waste product of the feeding larvae.
  • Tunneling: If you cut open an apple you may see tunnels inside the fruit leading to the core.
  • Premature ripening and dropping: Apples infested with codling moth larvae may ripen prematurely and fall from the tree early.

    •  

    Measures to control Pests/Diseases:

    Products

    Technical Name

    Dosage
    EMA5 Emamectin benzoate 5 % SG 76-88 gm/acre
    K-INDOX INDOXACARB 14.5% SC 200 ml per Acre
    Keechak tolfenpyrad 15 % ec 1.5-2 mL/L

     



    Back to blog

    Read More

    1 3
    View all