Silver shoot or onion leaf in rice caused by__________

🔑 Key Points
→ Gall midge: Orseolia oryzae
→ Symptoms of damage: Maggot feeds at the base of the growing shoot, forming a tube-like gall similar to “onion leaf” or “Silver-shoot.” Infested tillers produce no panicles.

📌 Important Points
→ Identification of insect pests

Egg: Elongated, cylindrical, shining white or pinkish eggs.
Larva: Maggot, 1 mm long, enters the growing bud and forms an oval chamber.
Pupa: Pupates in a transparent cocoon at the tip of the silver shoot.
Adult: Yellowish-brown fly with ash-grey males; adults feed on dewdrops.
📝 Additional Information
→ Management:

ETL: 10% silver shoots
Release Platygaster oryzae parasitized galls at 1/10 m² on 10 days after transplanting (DAT)
Early plowing
Harvest and plough immediately
Remove alternate hosts and adjust planting time
Optimum potash fertilizer recommendation
Setup light traps for adult flies monitoring.