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Management of Cut worm
Cultural control: Keeping fields flooded may keep population of this pest at low levels.
Biological control: Biological control agents of cutworm are very abundant. For example, scelionid and braconid wasps are egg parasitoids and grasshoppers are predators of the pest. Fungal and polyhedrosis viruses are pathogens that attack this insect pest.
Chemical control: Insecticides sprays may be needed when larval populations are extremely high. Spot spraying only at high population densities may be advisable.
Insect Pests of Rice by M. D. Pathak and Z. R. Khan