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Evolution and InnovationSave Biodiversity...Rise


Crop: Lily

S.N: Lilium spp

Family: Liliaceae



 A) Thrips, Thrips simplex

Symptom of damage

  • Deformities and discolouration of lily flowers and corms (bulbs)
  • Attacked- buds and flowers remain closed or open irregularly. 
  • Infested surfaces show unnatural glistening in whitish grey colour.



Identification of the pest

  • Egg - opaque white, smooth and bean shaped, deposited in the leaf tissue and corms.  
  • Adult - milky-white, which later turn brown
  • Wings have a light transverse band near the base. 


  • Storing of infested corms at 20c for 6 weeks.
  • Hot water treatment - 460c completely kills thrips on corms.
  • Methyl parathion 1ml /lit.
  • Spray acephate 0.1% 2-3 times at 10 days interval.
  • Spray malathion 1ml (or) carbaryl 50 WP 2g /lit of water before the bud initiation.


b) Liothrips vaneeki 

Symptom of damage

  • Produce rust coloured sunken spots at the base of outer scales
  • Stunted growth of the plants.
  • Necrosis and malformation in flowers

Identification of the pest

  • Yellow to black in colour.


  • At the time of flower emergence spikes may be sprayed with Methyl parathion 1ml /lit.
  • Spray malathion 1ml (or) carbaryl 50 w 2g/lit of water before the bud initiation.
  • Corms may be treated with lindane dust before storage.
  • Treat with monocrtophos and store at temperature below 190c.
  • Fumigation of infested bulbs with methyl bromide(or)dipping them for an hour in hot water at 43.90
  • Soil application of carbofuran (Furadon) and thimet at 4-10 kg/ha


2. Lily bulb mite, Rhizoglyphus echinopus


Symptom of damage

  • Feed on the bulbs and roots and destroy them.
  • Infest the scales and burrow into the stems.
  • Infested leaves and stems become yellow.



Identification of the pest

  • Very minute in size, visible to naked eye.
  • Yellowish white in colour.
  • Pinkish tinge, bead like, shining & slow moving mite.


  • Applying peat.
  • Steam sterilization of bulbs 600c for 30 min (or) 800c for 20 min.
  • Alternate cropping with rice, solar drying of soils, and ploughing with sesbania, long term submergence of water.
  • Chemical (or) warm water treatment of bulbs.
  • Fortnightly spray with dicofol at 0.025-0.04% and monocrotophos at 0.04%.


3Green peach aphid, Myzus persicae         

Symptom of damage

  • Nymphs and adults - found in cluster on the tender shoots ,flowers and buds and suck the sap.
  • Tender shoots wither ,buds fall prematurely, flowers show fading.
green peach aphid gpa
Colony of aphids
leaf curling



Identification of the pest

  • Yellowish green or rarely reddish aphids suck the sap.


  • Spray one and half teaspoonful of NICOTINE SULPHATE +2 teaspoonful of soap powder /gallon of water.



4. Tulip bulb aphid, Dysaphis tulipae 


Symptoms of damage

  • Cripple the young growth and distort the general look of the plants.
  • Both nymphs and adults suck the sap from the leaves.
  • Results in pale yellowing of leaves.
  • Curling of leaves.
  • Plants begin to droop.

Identification of the pest

  • Grey with wax appearance.
  • Cluster under bulb coats. 


  • Spray dimethoate 30 EC 2ml/lit or methyl demeton 25 EC 2ml/lit or malathion 2ml/lit.
  • Release first instar larva of green lace wing fly.
  • Conserve predator like Aphelinus sp parasitizing a green peach aphid


5. Leaf caterpillar, Polytela gloriosa

Symptoms of damage

  • Larva feed on the leaves.

Identification of the pest

  • Black larva with red white spots.
  • Adult is a brown moth with yellow and red markings


  • Hand picking the caterpillars and destroy.
  • Summer ploughing.
  • Spray application of NSKE 5%
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