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Carnation pests – Kisan Suvidha
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Carnation pests

Carnation pests

Carnation pests

Major Pests of Carnation are:-

1.Carnation Red spider mite: Tetranychus urticaeT. cinnabarinus

red spider mite

Symptom of damage:

  • Spider mite is the most serious pest on carnations
  • Nymphs and adults suck the sap from undersurface of the leaves
  • Affected leaves turn pale and have a dusty coating and fine webs. In severe attack the growth of the plants becomes stunted.

Management:

  • Initiate management measures when the density of mite reaches 1/leaf (ETL).
  • Use varieties having straight and flat leaves, which are proved to be resistant.
  • Cleanliness and elimination of weeds will reduce the incidence of mite.
  • Proper ventilation and water – prevent pest attack in greenhouse.
  • Spraying of dicofol 18.5 EC @ 2 ml/l or wettable sulphur @ 3 g/l
  • Spray application of chlorfenapyr 10 EC at 500 ml/ha (monthly interval)
  • Fluvalinate 25 EC at 50 ml/ha also suppress T. cinnabarinus

 

2.Carnation Aphids: Aphis gossypii

Yam aphids

Symptom of damage:

  • Nymphs and adults suck the sap and feeds on flower buds, leaves and terminal shoots
  • It also transmits mottle virus.

Identification of the pest:

  • Globular yellowish green to brown or black in colour

Management:

  • Spray dimethoate 30 EC @ 1 ml/l of water before the opening of flower.

 

 

3.Carnation Thrips: Thrips tabaci

lily thrips

Symptom of damage:

  • Nymphs and adults suck the sap from leaves
  • Plants become yellow often with black specks and slight crinkling.
  • In a severe attack, the growth of the plant is adversely affected.
  • Streaks on the flowers making them unmarketable.

Identification of the pest:

  • T. tabaci – nymphs and adults are pale yellowish in colour

Management:

  • Spray dimethoate 30 EC @ 1 ml/l or fenitrothion 50 EC @ 1 ml/l or malathion 50 EC @ 1 ml/l of water.

 

 

4.Carnation tortrix moth: Tortrix pronubata

Carnation tortoix moth

Symptom of damage:

  • Caterpillar webs the leaves with silken threads and feed inside the shelter.
  • Injury – found around the growing points of the shoots
  • larvae will feed on the leaves and may also bore into the flower buds.

Management:

  • A mixture of carbaryl and dicofol is recommended for the control of larvae of tortrix moth in nurseries and beds.

 

 

5.Carnation fly: Hylemya briennescens

Carnation fly

Symptom of damage:

  • Maggots bore into the leaves and growing tips of young plants
  • The death of young plants by tunnelling down the apical shoot.

Management:

  • Apply carbaryl 4G or phorate 10G @ 10 kg/ha to the soil followed by light irrigation.
  • Spray malathion 50 EC @ 2 ml/l of water.

 

 

Source-

  • TamilNadu Agritech Portal

 

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