Aerial Control of Hyphantria cunea (Drury) with BT and HcNPV
The result of aerial spray against Hyphantria cunea (Drury) with BT and BT/HcNPV complex formulation showed that .. Single use BT, rate of leaf protection reached 60%, not found dead insect; BT and HeNPV complex match re- sults:7 day found a small amount of death worm, 13 days appear death peak, For fuchsia type typical virus death symptoms and comprehensive symptoms of infection. The 20th day insect age has reached 5-6 age, found a small amount of live worm, rate of leaf protection reached 85 %, This means that two agents compound with good control effect and continuous control effect, effectively reduce the third generation larvae to ash harm to biological control requirements.
BTHcNPVcomplex formulationprevention and control of plane