Table 1.
Percentage of packages penetrated by P. interpunctella in each of the three experiments.
| Experiment 1 a | Experiment 2 a | Experiment 3 c | ||||||
|---|---|---|---|---|---|---|---|---|
| Trt | Egg Density | 21 Days | 42 Days | Instar | 21 Days | 42 Days b | 21 Days | 42 Days |
| Test A | 50 | 20% | 0% | 1 | 0% | 20% | 0% | 75% |
| Test B | 40% | 0% | 20% | 60% | 25% | 25% | ||
| Test C | 20% | 0% | 60% | 80% | 62.5% | 62.5% | ||
| Test A | 200 | 0% | 0% | 3 | 40% | 80% | ||
| Test B | 0% | 20% | 60% | 80% | ||||
| Test C | 0% | 40% | 80% | 80% | ||||
| Test A | 400 | 0% | 20% | 5 | 80% | - | ||
| Test B | 0% | 0% | 0% | - | ||||
| Test C | 60% | 60% | 100% | - | ||||
a A total of five packages was tested; b All of the adults from fifth instar larvae emerged with 21 days; c A total of eight packages was tested at each observation time.