Table 3.
The contribution of PCs or LDs for different amounts of BRPHs of different ages.
| Age | PC or LD | PCA | LDA | ||
|---|---|---|---|---|---|
|
|
|
||||
| Contribution | Cumulative Contribution | Contribution | Cumulative Contribution | ||
| U3IN | 1 | 96.89% | 99.58% | 52.94% | 65.84% |
| 2 | 2.69% | 12.9% | |||
|
| |||||
| O3IN | 1 | 91.62% | 99.72% | 56.21% | 75.34% |
| 2 | 8.10% | 19.13% | |||
|
| |||||
| Adult | 1 | 93.55% | 99.09% | 76.41% | 84.75% |
| 2 | 5.54% | 8.34% | |||
Notes: U3IN, under the 3rd-instar nymphs; O3IN, over the 3rd-instar nymphs. There were a total of 155 samples for the cross-test, which includes 50 samples for each age and five samples for comparison.