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Insect pests of Anthurium – Kisan Suvidha
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Insect pests of Anthurium

anthurium pests

Insect pests of Anthurium

Major pests of Anthurium are:-

1. Anthurium Aphid: Myzus circumflexus  

Anthurium aphid

Symptom of damage:

  • Nymphs and adults suck the plant sap
  • Yellowing and distortion of leaves and poor growth.
  • Honeydew excretion causes black sooty mould fungus.

Management:

  • Spraying of any following insecticides
    • dicofol 2ml/lit
    • malathion 2ml/lit
    • phosphomidon 2ml/lit
  • A formulation containing pyrethrum extract gave effective control
  • Field release of parasitic wasp Aphidius colemani 5/m2 per week

 

2.Anthurium Thrips: Chaetanaphothrips orchidii  

Anthurium thrips

Symptoms of damage:

  • Nymphs and adults suck the sap from leaves
  • Mottled effect on foliage and flowers.

Management:

  • In netted areas, insecticide granules are very effective in decreasing injury to flowers by C. orchidii
  • Foliar sprays cyfluthrin 2.0 EC and chlorpyriphos 1ml/lit are effective in reducing the number of injured flowers.
  • Spraying of dimethoate 30 EC @ 1 ml/l also controls thrips.
  • Field release of predatory mite Amblyseius cucumeris 500,000/ha.

 

 

3.Anthurium Whitefly:  Bemisia tabaci, Aleurotulus anthuricola

Anthurium whitefly

Symptom of damage:

  • Nymphs and adults suck the sap from leaves.

Management:

  • Systemic insecticides like methomyl 1.8 L or dimethoate 30 EC ( reduced eggs, nymphs, pupae and adults.)
  • Malathion 50 EC is effective against adults and pupae.
  •  Bifenthrin 10 WP was effective only against adults.
  • Methomyl 1.8 L and acephate 75 SP reduced the number of nymphs and pupae
  • Field release of parasitic wasp – Encarsia formosa 3/m2  can be followed.

 

 

4.Anthurium Red spider mite: Tetranychus cinnabarinus 

Anthurium red spider mite

Symptom of damage:

  • Spider mite causes – yellowish mottling of the leaves
  • Leaves shrivel and turn brown.
  • A fine web spun on the undersurface of leaves.

Identification of the pest:

  • Nymphs and adults are red in colour.
  • Eggs are laid on the ventral surface of the leaves and are whitish, spherical in shape

Management:

  • Spraying the affected plants with dicofol 18.5 EC @ 0.8 ml/l of water.
  • Field release of predatory mite – Phytoseiulus persimilis 6/ m2.

 

Source-

  • TamilNadu Agritech Portal

 

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