Friday, April 12, 2019

spiices & Plantation II. Turmeric & Ginger

TURMERIC AND GINGER
1. Shoot borer: Conogethes punctiferalis, Pyraustidae: Lepidoptera
Symptoms of damage
      Pseudostem with bore holes plugged with excreta, dead heart, panicles and spikes dry-up above the point of infestation are the damages caused by the caterpillar.
2. Rhizome scale :Aspidiotus hartii: Diaspididae: Hemiptera
  • Adult is yellow to deep yellow in colour. 
  • shrivelling of rhizomes and buds.

3. Leaf roller Udaspes folus :Hesperiidae: Lepidoptera.
  • Larva :  Smooth green larva with black head.
  • Adult: Adult is a brownish black butterfly with eight white spots of different sizes on each fore wing and a large white patch on each hind wing.
  • Leaf folding & defoliation 

  

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