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25
Jul

Cultural and Chemical Management of Rice Thrips

Cultural Management of Rice thrips  

  • Flooding to submerge the infested field for 2 days as a cultural control practice is very effective against the rice thrips

Chemical Management of Rice thrips

  • Chemical control should be practiced if the ETL is > 25% of leaves with damage, or 10 leaves per hill damaged  
  • Sufficient thin film of water should be maintained in the nursery before granular application
  • <
25
Jul

Host plant resistance for Rice thrips

Host plant resistance for Rice thrips  

25
Jul

Nature of Damage of Rice thrips

Nature of Damage of Rice thrips

1. Both the nymphs and adults suck the sap from leaves. As a result of pest attack, initially yellowish streaks appear on the leaves.

2. Later, the leaves curl longitudinally from the margins inwards leading to sharply pointed leaf tips resembling that of needles, which finally wither.

3. In severely infested areas, the plants become l

25
Jul

Bio ecology of Rice thrips

Bio ecology of Rice thrips

Egg: Eggs laid singly in the tissues of the tender leaves on the sides facing the stem. Eggs are hyaline and turn pale yellow as they mature.

Nymph: Newly hatched nymphs are transparent but turn yellowish white after the first moult and possess darker legs, head and antennae.

Pupa: Pupation takes place inside the rolled leaves and appendages and wings are clearly visible.

25
Jul

Distribution of Rice thrips

Distribution of Rice thrips

The Rice thrips are distributed in upland Rice in

  • Orissa,
  • Andhra Pradesh,
  • Madhya Pradesh,
  • Punjab,
  • Haryana,
  • Assam,
  • TamilNadu,
  • Kerala,
  • Uttar Pradesh,
  • West Bengal
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