No | Treatments | Description |
---|---|---|
1 | T1 | Sprayed with a solution of diluted bacteria (OD600 = 0.2), frequency once every 2 days, a total of 5 times |
2 | Negative control (T2) | Non-sprayed |
3 | Positive control (T3) | Sprayed with the chemical insecticide Kasumil 2SL (Japan) with the factory’s instruction (40 ml of the drug mixed in a 16 l spray bottle for 300–400 m2) |