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Rice Tungro Virus: RTV

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Rice Tungro Virus: RTV

Causal Organism: The virus is transmitted by the Green leaf hopper N. virescens and N. niggropictus.

Symptoms:

  • The diseased plants exibit orange yellow discolouration of leaves from the tip downwards.  
  • The young leaves show mosaic mottling. The plants are dwarfed with poor tillering and become sterile.

Control:

  • Grow resistant varieties like IR-20, Ratna etc.  
  • Spray Dyzinon a.i. @ 1.5 Kg/ha 5 times. First spray10 days after sowing and rest after transplanting at 15, 30, 45 and 60 days.
  • Use light trap to attract and control the leaf hopper vector.
File Courtesy: 
DRD, Patna
Photo Courtesy: 
Dr.Krishnaveni DRR
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