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Nature of Damage of Cut worm

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Nature of Damage of Cut worm  

  • The common cutworm is a problem generally on upland rice only because it needs dry soil for pupation and for completion of its life cycle.  
  • Lowland rice usually suffers heavy damage from larvae migrating from adjacent grassy areas.  
  • They are most serious during the seedling stage of rice when they sever the seedlings at the base.  
  • When abundant during late crop growth, they may severely defoliate the rice crop.  
  • The climbing cut worms cause more damage to panicles.  
  • Their outbreaks are usually characterized by the sudden appearance of larvae in immense numbers; severe losses are inflicted even before the worms are detected.
  • Cutworms can defoliate rice fields, generally in patches, from early vegetative growth to harvest.
File Courtesy: 
Insect Pests of Rice by M. D. Pathak and Z. R. Khan
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