Rose (Rosa rubiginosa)

Thrips (Rhipiphorothrips cruentatus, Thrips tabaci )

    Grape thrips: Rhipiphorothrips cruentatus rosae
    • Adults are blackish brown and the nymphs are reddish
    Onion thrips: Thrips tabaci
    • Nymphs and adults are pale yellowish

Symptoms

  • Nymphs and adults – lacerate the tissues -under surface of the leaves
  • Suck the oozed out sap.
  • Silvering or white streaks on the infested leaves.
  • Leaves show brown patches ,get distorted, finally wither and drop down.
  • Infested flowers do not open; flowers fade and fall off down prematurely.

Management

  • Spray neem oil 3%