Cabbage Butterfly pest

Measures to Control Cabbage Butterfly pest

The cabbage butterfly, also known as the imported cabbageworm, is a common pest of cruciferous vegetables, including cabbage, broccoli, cauliflower, kale, and Brussels sprouts. The larvae, which are the caterpillars, are the most damaging stage of the insect, as they feed on the leaves of the plants.

Cabbage Butterfly pest

  • Type of Infestation: Pest
  • Common Name: Cabbage Butterfly
  • Causal Organism: Pieris brassicae
  • Affected Parts Of the plant: Leaves, Head

Identification:

  • Adults: White butterflies with black wingtips. Females have two black spots on their forewings, while males have only one.
  • Eggs: Yellow, pointed, and laid singly on the undersides of leaves.
  • Larvae: Green with light-colored hairs and a pale yellow stripe down their back. They can grow up to 30 mm long.

Environmental favorable factors for pests/Diseases:

  • Temperature: 20-25°C (68-77°F) for rapid development of all life stages (eggs, caterpillars, pupae, adults).And 15-35°C (59-95°F) for adult activity and egg laying. Development slows down at these extremes.
  • Humidity: Optimal: Moderate humidity (50-70%) favors development and survival. Above 80% can promote fungal diseases that harm eggs and caterpillars. Below 40% can lead to dehydration and increased mortality in all stages.

Symptoms of Pest/Disease:

  • Large holes: Caterpillars munch on leaves, creating irregular, ragged holes and tattered edges.
  • Chewing marks: Look for distinct signs of chewing along the leaf margins and veins.
  • Tunnels and holes: In advanced infestations, caterpillars may bore into the cabbage heads, making them unmarketable.
  • Contamination: Frass and damaged tissue inside the head can harbor diseases and make the cabbage unsuitable for consumption.

Measures to control Pests/Diseases:

Products Technical Names Dosages
Chakrawati Thiamethoxam 12.6 % lambda cyhalothrin 9.5 % zc 80 ml per acre.
triple attack  2 Liters Per Acre.
KEECHAK

tolfenpyrad 15 % ec

1.5-2 mL/L

FAQs for Cabbage White Butterfly Control

Q. What is the scientific name of the cabbage butterfly?

A. The cabbage butterfly scientific name is Pieris brassicae, a pest known for damaging cabbage and related crops.

Q. What are the damage symptoms of the cabbage white butterfly?

A. Cabbage white butterfly damage symptoms include irregular holes in leaves, skeletonized foliage, and reduced crop yield due to larvae feeding.

Q. What are the best cabbage white butterfly control methods?

A. Effective cabbage white butterfly control methods include using pheromone traps, removing infested leaves, and spraying insecticides like Thiamethoxam 12.6% + Lambda Cyhalothrin 9.5% ZC or Tolfenpyrad 15 % ec

Q. How can biological methods help in cabbage butterfly control?

A. Biological control for cabbage butterfly includes using Beauveria bassiana, neem oil, and introducing natural predators like parasitic wasps.

Q. How can farmers implement cabbage white control measures?

A. Farmers can use crop rotation, maintain field hygiene, and apply cultural, biological, and chemical methods for effective control.

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