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Result of principal component analysis.
| Principal component | Scion survival(%) | Scion grown rate (%) | Scion infected(%) | Las transmission (%) | Ct value in scion | Ct value in rootstock | Disease index | Accumulative contribution rate(%) |
|---|---|---|---|---|---|---|---|---|
| 1 | 0.2239 | 0.255 | 0.3586 | 0.4589 | −0.4122 | −0.477 | 0.385 | 58.3005 |
| 2 | 0.4852 | 0.5203 | −0.4877 | −0.0532 | 0.3648 | 0.0498 | 0.3432 | 77.4763 |
